Jankyusei ~Cosplay Paradise~

Jankyusei ~Cosplay Paradise~ is a Game Boy Color video game developed by Pixel and published by élf. It is the only title élf published for any of Nintendo's consoles.

Jankyusei is a spinoff title part of the Dokyusei game series.

Gameplay
The gameplay is based around Mahjong.

In Story Mode, the main character must establish a Mahjong club at the school he attends by recruiting five girls within a week.

The game's debug mode can be accessed through a Game Genie code. From there, the player can play music, play sounds, view maps, start at any point in the game, or return to the élf logo or title screen.