X-O Racing

X-O Racing (エクス・オ レーシング Ekusu-O Reshingu) is an unmade ROM hack of Mario Kart DS featuring characters from three webserieses and one TV series.

Playable

 * Fuzz
 * Cuddles
 * Oodle
 * Daizy
 * Wubbzy
 * ORB
 * Nutty
 * Fireball

Unlockable

 * Handy (Get a gold trophy on 50cc Retro Grand Prix Spetacle Cup)
 * Yarn (Get a gold trophy on 50cc Nitro Grand Prix Special Cup)
 * Widget (Get a gold trophy on 100cc Retro Grand Prix Spetacle Cup)
 * Zo (Get a gold trophy on 150cc Mirror Nitro Grand Prix)

Dowload Play Only

 * Victini (ornage, black, purple, white, green, yellow, pink, and light blue)

Scrapped
These were characters that were in the planning phase of the game, but were cut. These characters were from Object Terror.


 * Pickaxe (replaced by Fuzz)
 * Printer (replaced by Oodle)
 * Tack (replaced by ORB)
 * Computer (replaced by Fireball)
 * Smore (replaced by Yarn)
 * Daisy (replaced by Zo)

Karts

 * 12 Revo Karts, one for each character.
 * Honeydew Hawk
 * Off-Roader
 * Derby Dasher
 * Carrot Driller
 * Crayon Cart
 * Rainbow Rider
 * Power Flower
 * Royale
 * Wubbmobile 4.0
 * Shooting Star
 * Sound Breaker
 * Tyrant
 * Cavitizer
 * Cucumber
 * Punji Prowler
 * Dragonfly
 * Towe Truck
 * Gold Mantis
 * Thread Treker
 * Second Chance
 * Fixer-Upper
 * Super Aero
 * Crystal Mage
 * GLA

Scrapped

 * Ore Miner
 * Micro-Chip
 * Wildlife
 * Volt Tackler
 * Vindicator
 * Petal Picker

Items

 * Ball (design from the Wow! Wow! Wubbzy! series) (Green Shell)
 * Homing Spark (Red Shell)
 * Flying Spark (Blue Shell)
 * Urchini (Banana)
 * Fake Item Box
 * Flying Bucket of Icing (Blooper)
 * Rainbow Orb (Star)
 * Lightning
 * Snatcher (Boo)
 * Parabeetle (Bullet Bill)
 * Bomb (Bomb-Omb)
 * Firework Rocket (Mushroom)
 * Fire Crackers (Golden Mushroom)

Dragons Cup

 * X-O Circuit
 * Tinted Treeway
 * Plateau Pursuit
 * Roaring Tundra

Happy Tree Cup

 * Styro Square
 * Happy Tree Forest
 * Beach Hijinks
 * Night Highway

Wubbzy Cup

 * Wubbzy Circuit
 * Victini City
 * Lost Mines
 * Light Core

Special Cup

 * Volt Circuit
 * Motostoke Circuit
 * Challenge Road
 * Master Terminal

Classy Cup

 * GBA Snow Land
 * DS Mario Circuit
 * WIIU Thwomp Ruins
 * N64 Choco Mountain

Miracle Cup

 * DKR Hot Top Volcano
 * WII Koopa Cape
 * 3DS Wuhu Loop
 * SNES Donut Plains 1

Epic Cup

 * N64 Yoshi Valley
 * DS Shroom Ridge
 * GCN Sherbert Land
 * WIIU MK Stadium

Spectacular Cup

 * GBA Sky Garden
 * WII DK Summit
 * DKR Star City
 * WIIU Rainbow Road

Battle Courses

 * Camp Pokeneyeout
 * Block Fort
 * Blank Slate
 * Balloon Dome
 * Choco Arena
 * Square Field

Trivia

 * For the Happy Tree Friends-themed race tracks, it uses the show's theme song.
 * There was originally Object Terror content in the game, but the idea was cut early in development.
 * There was also Object Madness!! content as well, but it was scrapped due to the show's cancellation.