Mario Kart 73ds Exclusive Verified | TRUSTED |

The Mario Kart series includes well-known titles such as Mario Kart DS (2005), Mario Kart 7 (2011) for Nintendo 3DS, and Mario Kart 8 (2014) for Wii U / Deluxe for Switch. The number "73" likely stems from a typo, a fan-made concept, or a fictional meme.

If you meant Mario Kart 7 for Nintendo 3DS, here is an informative text about its exclusive features:

Mario Kart 7 (Nintendo 3DS) – Exclusive Features

Released in 2011, Mario Kart 7 introduced several innovations unique to the Nintendo 3DS version:

Underwater and Gliding Sections – For the first time in the series, racers could drive underwater (with altered handling) and launch off ramps to deploy a hang glider, allowing short aerial segments. These mechanics later returned in Mario Kart 8 but originated here.
First-Person Driving with Gyro Controls – Using the 3DS's built-in motion sensor, players could tilt the console to steer. A first-person view on the bottom screen showed the track from the driver’s perspective – a feature never repeated in later entries.
Custom Kart Building – Unlike fixed karts in previous games, Mario Kart 7 let players mix three components: body, wheels, and glider. Each part affected speed, acceleration, handling, and off-road traction, allowing hundreds of unique combinations.
Retro Tracks with a Twist – The game introduced "Retro Grand Prix" with 16 classic courses, but each was visually and mechanically upgraded (e.g., adding gliding ramps or underwater sections to old tracks like Koopa Beach or Luigi's Mansion).
Download Play for 8 Players – Up to 8 players could race locally with only one game card. Exclusive to the 3DS version, this mode was more accessible than DS's 8-player download play and didn't require all players to own the cart.
3D Visual Depth – The stereoscopic 3D effect (adjustable via slider) gave a genuine sense of depth perception, making jumps and item aiming more intuitive – a feature impossible on any other platform.
Honey Queen & Wiggler as Playable Characters – Two bizarre, exclusive roster choices: Honey Queen (from Super Mario Galaxy) and Wiggler (from Super Mario series) have never appeared as racers in any other Mario Kart game since.

While Mario Kart 7 for the Nintendo 3DS introduced many series mainstays (like gliding and underwater driving), several features remain exclusive to this entry or were significantly different on this hardware. Exclusive Gameplay & Mechanics

First-Person Perspective: This is the only mainline game to feature a dedicated "cockpit" view. You can activate it by pressing Up on the D-Pad to see the tracks and arenas from a driver's eye level.

Gyroscope Steering: Combined with the first-person view, players can steer by physically tilting the 3DS system.

Segmented One-Lap Tracks: While standard in later games, MK7 was the first to introduce long, point-to-point tracks (like Wuhu Loop and Maka Wuhu) that aren't divided into traditional laps.

StreetPass & SpotPass Integration: The game featured unique social elements where you could automatically exchange Ghost data and Mii characters with people you passed in real life. Exclusive Characters & Items Honey Queen

: This character made her one and only playable appearance in the series here.

: While Wiggler appeared in Mario Kart Tour, MK7 was its debut as a playable racer.

Lucky 7: An item that surrounds the kart with seven different power-ups (Banana, Red Shell, Green Shell, Mushroom, Star, Blooper, and Bob-omb). Exclusive Track Content

While many tracks have been remade in Mario Kart 8 Deluxe or Tour, a few remain largely trapped on the 3DS hardware:

Wuhu Island Tracks: Both Wuhu Loop and Maka Wuhu are highly requested for remakes but haven't appeared in a console entry since MK7.

Honeybee Hive: A new battle course that remains exclusive to the 3DS.

Wario Shipyard: A fan-favorite track that has seen limited appearances elsewhere.

Mario Kart 7 : The Portable Powerhouse of the Nintendo 3DS Released in 2011, Mario Kart 7

redefined the racing experience for the Nintendo 3DS, introducing mechanics that have since become series staples. As the first title to bring high-speed karting into the third dimension, it remains a standout for its innovative gameplay and unique roster. Game-Changing Mechanics

Mario Kart 7 was the first in the series to take the race beyond the asphalt, introducing: Hang Gliding:

Karts now sprout gliders when launched from blue ramps, allowing players to soar across gaps and find aerial shortcuts Underwater Racing:

For the first time, karts are equipped with propellers, letting you drive through deep-sea sections with unique "floaty" physics Mario Wiki Kart Customization:

Moving away from preset karts, players can now mix and match frames, tires, and gliders to fine-tune their stats First-Person Mode: A unique perspective that allows you to drive using the 3DS for motion-controlled steering Exclusive Roster and Items

The game features a distinctive lineup of characters and power-ups not always found in other entries: Unique Playable Characters: Honey Queen made their only playable appearances in this title . They join other series newcomers like Metal Mario New Items:

Bestows seven different items at once (Green Shell, Red Shell, Banana, Mushroom, Star, Blooper, and Bob-omb) circling the player Super Leaf:

Equips your kart with a Tanooki tail to swat away shells and whip nearby opponents Mario Kart Racing Wiki Fire Flower: Allows you to throw fireballs forward or backward Mario Kart Racing Wiki Tracks and Modes

The game features 32 tracks total, split between 16 brand-new courses and 16 remastered classics

On a scale of 1 through 10, how would you rate Mario Kart 7?

Mario Kart 7 3DS Exclusive: A New Racing Experience on the Go mario kart 73ds exclusive

Get ready to rev up your engines and hit the track with Mario Kart 7, an exclusive racing game for the Nintendo 3DS handheld console. Building on the success of previous Mario Kart titles, this latest installment promises to deliver an unparalleled racing experience on-the-go.

New Features and Gameplay Mechanics

Mario Kart 7 introduces several innovative features that set it apart from its predecessors. The game boasts stunning 3D graphics, utilizing the 3DS's capabilities to create immersive and visually stunning tracks. Players can choose from a roster of beloved Nintendo characters, including Mario, Luigi, Princess Peach, and Bowser, each with their own unique kart and abilities.

The gameplay mechanics have also been refined, with the introduction of:

Glide Boost: A new feature that allows players to perform aerial stunts and glide through the air, giving them a speed boost and a fresh way to navigate the tracks.
Underwater Racing: Explore new underwater environments, complete with aquatic-themed tracks and challenges.
Street Racing: Compete in high-speed street racing modes, with a focus on drifting and precision driving.

Exclusive 3DS Features

Mario Kart 7 takes full advantage of the 3DS's capabilities, including:

StreetPass: Compete with friends who also have the game, exchanging data and racing against each other in real-time.
SpotPass: Download new tracks, characters, and items directly to your game, ensuring a constant stream of fresh content.
3D Visuals: Experience the game in stunning 3D, with detailed environments and characters that leap off the screen.

Multiplayer and Online Features

Mario Kart 7 offers a range of multiplayer options, including:

Local Multiplayer: Compete with friends and family in local wireless multiplayer modes, supporting up to 4 players.
Online Multiplayer: Join online tournaments and compete against players worldwide, with leaderboards and ranking systems.

Track and Character Roster

The game features a diverse range of tracks, including:

Classic Tracks: Revisit iconic Mario Kart tracks, remade with stunning 3D graphics.
New Tracks: Explore brand-new environments, including underwater cities, futuristic metropolises, and fantastical worlds.

The character roster includes:

Mario: The iconic mascot and well-rounded driver.
Luigi: A slightly slower but more agile driver.
Princess Peach: A speedy driver with a range of special abilities.
Bowser: A powerful driver with high speed and weight.

Conclusion

Mario Kart 7 is an exciting new addition to the Mario Kart series, offering a fresh and engaging racing experience exclusive to the Nintendo 3DS. With its innovative gameplay mechanics, stunning 3D graphics, and robust multiplayer features, this game is a must-have for fans of the series and new players alike. So, get ready to join the racing fun and experience the ultimate Mario Kart adventure on-the-go!

Mario Kart 7: A 3DS Exclusive That Revolutionized the Series

The Nintendo 3DS has been home to some of the most iconic and beloved games of all time, and one title that stands out from the rest is Mario Kart 7. Released in 2011, Mario Kart 7 was a launch title for the 3DS and has since become one of the best-selling games of all time. As a 3DS exclusive, Mario Kart 7 brought the Mario Kart series to a new level, introducing innovative new features, exciting gameplay, and stunning visuals.

A New Era for Mario Kart

Mario Kart 7 marked the seventh main installment in the Mario Kart series, and it was clear that Nintendo was looking to shake things up. The game introduced several new features that set it apart from its predecessors, including gliding and underwater racing. These new mechanics added a fresh layer of depth to the gameplay, allowing players to explore new tracks and experience the series in a whole new way.

The game's tracks were also a major highlight, featuring a diverse range of environments and themes. From the lush jungles of Wuhu Island to the snowy peaks of Gliderville, each track was meticulously designed to provide a unique and thrilling experience. The game's soundtrack, composed by Motoi Sakuraba and Yoko Shimomura, was also widely praised for its catchy and upbeat melodies.

Exclusive Features and Gameplay

As a 3DS exclusive, Mario Kart 7 took full advantage of the console's capabilities. The game's graphics were stunning, with detailed character models, vibrant environments, and smooth gameplay. The 3DS's 3D capabilities also added a new level of immersion, making it feel like players were right in the action.

One of the most notable features of Mario Kart 7 was its online multiplayer mode. Players could compete against each other in local and online multiplayer modes, with up to eight players supported. The game's online features were robust and reliable, making it easy for players to connect with friends and compete in thrilling racing events.

Characters, Tracks, and Cups

Mario Kart 7 featured a wide range of characters, including classic Mario Kart favorites like Mario, Luigi, and Princess Peach. The game also introduced several new characters, including Wario, Donkey Kong, and Rosalina. Each character had their own unique abilities and stats, allowing players to experiment with different characters and find their favorite.

The game's track list was also impressive, featuring 32 tracks divided into eight cups. Each cup had its own unique theme and set of tracks, ranging from classic Mario Kart environments like Mushroom Kingdom to new and exotic locations like Wuhu Island. Some of the most iconic tracks in the game included:

Toad's Turnpike: A busy highway filled with traffic and obstacles
Rainbow Road: A classic Mario Kart track with a stunning rainbow-colored bridge
Gliderville: A snowy track with gliding sections and treacherous jumps

Impact and Legacy

Mario Kart 7 had a significant impact on the gaming industry, setting a new standard for kart racing games and cementing the 3DS as a major player in the handheld gaming market. The game's success also spawned a number of spin-offs and sequels, including Mario Kart 8 Deluxe for the Nintendo Switch.

The game's influence can also be seen in other kart racing games, with many titles borrowing from Mario Kart 7's innovative features and gameplay mechanics. The game's popularity has also endured, with many players still competing in online multiplayer modes and racing events.

Conclusion

Mario Kart 7 is a 3DS exclusive that revolutionized the Mario Kart series, introducing innovative new features, exciting gameplay, and stunning visuals. The game's impact on the gaming industry has been significant, setting a new standard for kart racing games and cementing the 3DS as a major player in the handheld gaming market. If you're a fan of Mario Kart or just looking for a fun and exciting racing experience, Mario Kart 7 is a must-play title that is sure to provide hours of entertainment.

Mario Kart 7: A Look Back

As we look back on Mario Kart 7, it's clear that the game was a major milestone in the series. The game's innovative features, exciting gameplay, and stunning visuals made it a standout title in the Mario Kart series, and its influence can still be seen today.

Key Features:

Gliding and underwater racing: New mechanics that added a fresh layer of depth to the gameplay
Robust online multiplayer: Support for up to eight players in local and online multiplayer modes
Stunning visuals: Detailed character models, vibrant environments, and smooth gameplay
32 tracks: Divided into eight cups, with a diverse range of environments and themes
Wide range of characters: Including classic Mario Kart favorites and new characters like Wario and Rosalina

Mario Kart 7: A 3DS Exclusive That Still Holds Up Today

Even years after its release, Mario Kart 7 remains a beloved and iconic game that still holds up today. The game's innovative features, exciting gameplay, and stunning visuals make it a must-play title for fans of the Mario Kart series or just looking for a fun and exciting racing experience. If you haven't played Mario Kart 7 before, do yourself a favor and pick up a copy – it's an experience you won't soon forget. The Mario Kart series includes well-known titles such

Mario Kart 7 for the Nintendo 3DS is a defining title for the handheld that successfully introduced mechanics like gliding and underwater racing which are now staples of the series. While it lacks a standard offline "Versus" mode for single players, its tight controls and creative track design make it an essential 3DS experience. Core Gameplay & Mechanics

Gliding and Underwater Racing: This was the first entry to introduce blue ramps for hang-gliding and propellers for submerged sections. These features are praised by reviewers at Hogan Reviews for adding verticality and variety to the race.

Kart Customization: Moving away from preset karts, players can now mix and match frames, wheels, and gliders to balance speed, weight, and handling.

New Items: The game debuted the Lucky 7, giving players seven items at once, and the Super Leaf (Tanooki Tail) for deflecting projectiles. Course Selection & Graphics

Mario Kart 7 stands as one of the most successful and enduring entries in the franchise, cementing itself as the ultimate Nintendo 3DS exclusive. 🏎️ The Handheld King

Released in 2011, this seventh installment brought massive innovations that are still staples of the series today. While future games like Mario Kart 8 eventually migrated to home consoles and the Switch, Mario Kart 7 remains locked to the stereoscopic handheld. It eventually became the single best-selling game on the entire system, moving over 18 million units worldwide. 🌟 Defining Features

Mario Kart 7 was far more than a simple handheld port; it actively revolutionized how the series played.

Gliding and Underwater Racing: This was the first game to let karts sprout hang-gliders for massive air jumps and propellers to drive directly on the ocean floor.

Kart Customization: Players were no longer forced to pick preset vehicles. For the first time, you could mix and match kart bodies, wheels, and gliders to optimize your stats.

True Handheld 3D: Critics heavily praised the game for having some of the best uses of the system's glasses-free 3D slider.

The Return of Coins: Reviving a mechanic not seen since the Game Boy Advance era, collecting coins mid-race gave players a slight speed boost and unlocked new vehicle parts. 🗺️ Masterful Track Design

The game featured 32 tracks split evenly between brand-new creations and classic retro tracks. Many fans on Reddit still cite this game's version of Rainbow Road—a single, massive continuous lap spanning the moon and planetary rings—as one of the greatest tracks ever built by Nintendo.

Because the game's new mechanics were back-ported into old tracks, racing through classic courses felt completely revitalized. 🛑 Legacy and Availability

While the game's official online multiplayer network was discontinued by Nintendo on April 8, 2024, the game remains highly active in the homebrew and modding communities. Fans continuously breathe new life into the game through massive custom track packs like CTGP-7. Mario Kart 7 - Full Game (3DS)

Mario Kart 7: A Nintendo 3DS Exclusive Racing Masterpiece

Released in 2011, Mario Kart 7 is a kart racing game developed by Nintendo for the Nintendo 3DS handheld console. As the seventh main installment in the Mario Kart series, it brings the excitement of high-speed racing to the portable gaming scene. With its engaging gameplay, charming graphics, and innovative features, Mario Kart 7 is an exclusive title that showcases the capabilities of the Nintendo 3DS.

Gameplay and Features

Mario Kart 7 retains the classic Mario Kart formula, where players control iconic Nintendo characters like Mario, Luigi, Princess Peach, and Bowser, among others. The game features:

Glider and Underwater Racing: New to the series, gliders and underwater racing add a fresh twist to the gameplay. Gliders allow karts to soar through the air, while underwater sections provide a unique racing experience.
Tracks and Cups: The game includes 32 tracks, divided into 8 cups, each with 4 tracks. Tracks are set in various environments, such as Mushroom Kingdom, DK Island, and even a ghostly realm.
Characters and Karts: Players can choose from 17 characters, each with their own kart. Characters are divided into weight classes, affecting the kart's handling and speed.
Items and Power-Ups: Classic items like mushrooms, shells, and bananas return, along with new ones like the Flower, which shoots projectiles.

Nintendo 3DS Exclusive Features

Mario Kart 7 takes advantage of the Nintendo 3DS's capabilities, offering:

3D Visuals: The game features stunning 3D graphics, making the racing experience more immersive and engaging.
StreetPass and SpotPass: Players can exchange data with other players using StreetPass, unlocking new characters, karts, and tracks. SpotPass allows players to download content from the Nintendo 3DS's internet connection.
Gyro Steering: The game's gyro steering feature allows players to steer karts by tilting the Nintendo 3DS.

Multiplayer and Online Features

Mario Kart 7 offers:

Local Multiplayer: Up to 4 players can compete locally, using the Nintendo 3DS's wireless capabilities.
Online Multiplayer: Players can compete with others worldwide, using the Nintendo 3DS's internet connection.

Critical Reception and Legacy

Mario Kart 7 received widespread critical acclaim, with praise for its engaging gameplay, charming graphics, and innovative features. The game has a Metacritic score of 84/100, indicating "universal acclaim."

As a Nintendo 3DS exclusive, Mario Kart 7 has become one of the console's best-selling games, with over 18 million copies sold worldwide. Its success has cemented the Mario Kart series as a flagship franchise for Nintendo, with future installments continuing to innovate and thrill racing game enthusiasts.

Conclusion

Mario Kart 7 is a phenomenal racing game that showcases the Nintendo 3DS's capabilities. Its engaging gameplay, charming graphics, and innovative features make it a must-play for fans of the series and newcomers alike. As a 3DS exclusive, Mario Kart 7 is an excellent example of the console's potential for delivering high-quality gaming experiences on-the-go. If you're a Nintendo 3DS owner or a fan of the Mario Kart series, Mario Kart 7 is an essential title to add to your collection.

Mario Kart 7: The Portable Powerhouse of the Nintendo 3DS Released in late 2011, Mario Kart 7 (stylized as MARIOKART7 or MK7) arrived at a critical time for the Nintendo 3DS. As the seventh installment in the legendary racing franchise, it was more than just a sequel; it was a "portable powerhouse" designed to showcase the unique capabilities of Nintendo's then-new handheld hardware while introducing mechanics that would change the series forever. Groundbreaking Features Exclusive to the Era

Mario Kart 7 was the first title to introduce several "staple" features that are now expected in modern entries like Mario Kart 8 Deluxe.

Mario Kart 7 for the Nintendo 3DS introduced several series-defining mechanics, but it also contains specific features that remain unique to its hardware and gameplay style. 🏎️ Exclusive Feature: 1st-Person Gyro Perspective

One of the most distinct features of Mario Kart 7 is the first-person cockpit view.

Control: When enabled, players can steer by physically tilting the 3DS using the built-in gyroscope.

Visuals: The camera shifts to a dashboard perspective, allowing you to see the track and your character's hands on the wheel.

Immersion: This was specifically designed to leverage the console's stereoscopic 3D effect, making distance judging more intuitive for some players. 🌐 Social & Community Innovation Mario Kart 7 (Nintendo 3DS) – Exclusive Features

Mario Kart 7 was the first game to introduce Communities, a feature that allowed players to create custom groups with specific rules.

Custom Rules: You could limit the items (e.g., "Bob-omb only" races) or restrict the engine class.

Leaderboards: Each community had its own internal tracking system for top-scoring members.

StreetPass Integration: Players could exchange Mii characters and Ghost data just by passing someone in real life, which then populated your "Mario Kart Channel" with new rivals. 🛠️ Strategic Mechanics & "Frontrunning Beats"

While gliding and underwater racing are now standard, Mario Kart 7 has unique mechanical nuances:

Mario Kart 7: A 3DS Exclusive that's Full of Turbo-Charged Fun

The Mario Kart series has been a staple of Nintendo's iconic franchises for decades, and with the release of Mario Kart 7 on the Nintendo 3DS, fans of the series were in for a treat. As a 3DS exclusive, Mario Kart 7 brought the excitement of high-speed racing to the portable console, with innovative features and gameplay that made it a must-play for both new and veteran players.

A New Dimension of Racing

One of the standout features of Mario Kart 7 is its use of the 3DS's capabilities to create a more immersive gaming experience. The game's 3D graphics are vibrant and colorful, with smooth animations and detailed tracks that make you feel like you're right in the middle of the action. The 3DS's gyroscope and accelerometer also add a new level of control to the game, allowing players to steer and drift with precision.

Gliding and Underwater Racing

Mario Kart 7 introduces two new gameplay mechanics that shake up the traditional Mario Kart formula: gliding and underwater racing. With the help of special items and tracks, players can now glide through the air, navigating twists and turns with ease, or explore underwater environments, complete with sea creatures and sunken treasure. These new features add a fresh layer of excitement to the game, and fans of the series will love the innovative ways they're integrated into the gameplay.

Tracks and Characters

As with previous Mario Kart games, Mario Kart 7 boasts a diverse cast of playable characters, each with their own unique abilities and stats. From Mario and Luigi to Princess Peach and Bowser, there's a character to suit every playstyle. The game also features a variety of tracks, each with its own challenges and shortcuts. From the Mushroom Kingdom to new locations like the Water Park and the Animal Kingdom, the tracks in Mario Kart 7 are creative, colorful, and full of surprises.

Multiplayer and Online Features

Mario Kart 7's multiplayer mode is a major highlight of the game. Players can compete against each other locally, using the 3DS's wireless capabilities to connect with friends and family. Online play is also available, with features like tournaments and leaderboards to keep players engaged and competing. With the ability to play with up to four players locally and eight players online, Mario Kart 7 is the perfect game to play with friends and family.

Conclusion

In conclusion, Mario Kart 7 is a fantastic exclusive for the Nintendo 3DS that's full of turbo-charged fun. With its innovative gameplay mechanics, colorful graphics, and exciting multiplayer features, it's a must-play for both new and veteran players. Whether you're a fan of the Mario Kart series or just looking for a fun and exciting racing game, Mario Kart 7 is a great choice.

Rating: 9/10

Recommendation: If you haven't already, grab a copy of Mario Kart 7 for your Nintendo 3DS and experience the thrill of high-speed racing on the go. With its engaging gameplay, colorful graphics, and exciting multiplayer features, it's a game that's sure to provide hours of fun and entertainment.

Mario Kart 73DS Exclusive — What It Is and Why Fans Are Talking

"Mario Kart 73DS Exclusive" refers to a fan-concept: an imagined, enhanced Mario Kart title built around Nintendo 3DS hardware (or a portable system inspired by it) that adds new characters, tracks, and features while using the 3D handheld’s strengths. Below is a concise, structured article that explains the idea, suggested features, and why such a release would excite the community.

The Verdict: Myth or Masterpiece?

Let’s be adults. Mario Kart 73DS Exclusive is not a real Nintendo game. It never passed certification. It never sat on a GameStop shelf. The most likely truth is that "73DS" was a filename typo for an early Mario Kart 7 debug build, and the internet, being the internet, turned a spreadsheet error into a religion.

But here is the beautiful paradox: The myth of the 73DS is more interesting than the reality of MK7.

Mario Kart 7 is a fine game. It introduced gliders and underwater driving. But it is also widely considered a "safe" entry—polished, predictable, and a bit forgettable. The 73DS legend, by contrast, promises a messy, ambitious, broken masterpiece. A game that tried to do too much. A game that melted hardware. A game that Nintendo was afraid to ship.

And in an era of day-one patches and live-service boredom, the idea of a lost, exclusive, physical-only kart racer that only 73 people ever played is irresistible.

So keep searching the used game bins. Keep squinting at blurry forum screenshots. Keep believing that your friend’s cousin’s roommate definitely played it once at a hotel in Kyoto.

Mario Kart 73DS Exclusive is not real. But it should be.

And that is exactly why we will never stop talking about it.

Do you have a memory of Mario Kart 73DS? Did you see a cartridge in a pawn shop in 2012? Or did you just dream the entire thing? Let us know in the comments—but keep it civil. The mods are watching for disinformation.

While Mario Kart 7 was a massive hit on the 3DS, it is often viewed today as a "transitional" entry that established many modern staples while remaining isolated by some unique (and sometimes frustrating) design choices. Exclusive Mechanics & Features

True First-Person Gyro Steering: Unlike the optional motion controls in Mario Kart 8, MK7 featured a dedicated first-person mode where you steered by physically moving the 3DS. Critics noted it was immersive but risked making the 3D screen blurry if not held steady.

The "Lucky Seven" Debut: This game introduced the Lucky 7 item, which surrounds your kart with seven different power-ups (Star, Mushroom, Green Shell, Red Shell, Banana, Blooper, and Bob-omb).

StreetPass Communities: It featured a robust "Community" system where players could create private groups with custom rules via 14-digit IDs, a precursor to the modern online tournament systems. The "Lost" Character Roster

MK7 is famously remembered for its "oddball" roster that hasn't been replicated since. It was the only game to feature Honey Queen (from Super Mario Galaxy) and Wiggler as playable racers, while controversially cutting series staples like Waluigi and Dry Bones. Unique Track Design Mario Kart 7 - Feature - Nintendo World Report

Since "Mario Kart 73" doesn't exist (and the Nintendo 3DS stopped at Mario Kart 7), I have interpreted this as a pitch for a "lost chapter" or standalone expansion titled Mario Kart 7.5, imagined as a Nintendo 3DS exclusive that pushes the handheld to its absolute limits.

Here is a feature breakdown for the game’s headline innovation:

1. The Concept

In standard Mario Kart games, the track is a fixed path. In Mario Kart 7.5, the Skyway Shift System introduces a "Dual-Layer" track design. Every track in the game features two distinct versions of the same course running simultaneously:

The Ground Layer: The classic, chaotic, item-heavy experience full of mud, traffic, and obstacles.
The Skyway Layer: A glass-like hovering highway situated 50 meters above the ground. It is smoother and allows for higher speeds, but offers zero guardrails.