Mario Motors was a planned Nintendo DS spinoff of the Mario Kart series. The game was the brainchild of Yoot Saito, who previously created such games as Seaman, SimTower, and Odama.
Pokémon Black 2 Kaizo is a mod that rebalances the experience, aiming at trying to bring the VGC doubles experience to the main campaign of the game. Giving the player unlimited healing and rare candies, the goal is to form your own team as easily as possible and beat trainers with their own unique strategies and synergies.
Dicewars DS is a multiplayer version of a strategy glash game Dicewars for the Nintendo DS handheld console.
It was submitted for the NEO Summer Coding Compo 2007.
Your task is to conquer the whole game field by rolling dice. Each turn you may attack any opponent's territory from one of your adjacent territories as long as your territory has more than one die on it. When attacking, If you roll more than the defender, you win. At the end of each turn, the greatest number of adjoining territories you have is calculated, and you are awarded a bonus of that number of dice, which are placed randomly on your territory.
In the network game mode, you will need at least 2 players to start a game. The player starting up the game will decide the minimum and maximum amount of players. If the players wish to start the game before waiting for maximum amount of players (up to 7 players at once), the rest of the slots will be filled with CPU players.
Haunt is a cancelled spin-off game in the Mario series based around Boo. The game was set to follow the story of a young Boo after he graduates from Haunt university.
Not much is known about the game, but it's existence was discovered in 2020 when concept art for the game was discovered on the online portfolio of Sammy Hall, a former concept artist for Retro Studios.
Pokémon Gray is a cancelled expansion to Pokémon Black & White that was planned during development, however was cancelled during development and was later reworked into Black & White 2.
Nothing is known about the game itself apart from the game title being trademarked by Nintendo at the same time as Black & White, alongside the domain name "pokemongray.com" being hosted by Melbourne IT DBS, which was the same web hosting service used for the Black & White website.
Zhēng Shàngyóu was a cancelled Chinese iQue game for the iQue DS. It would have been part of the chess and card series and playable online with the NetCard (NC卡) in the Game Boy Advance slot.