Daikaijuu Monogatari - Poyon no Dungeon Room is a Japanese Game Boy Color game based on the Daikaijuu Monogatari series. It's likely a dungeon crawler, adventure, or RPG with gameplay focused on navigating dungeons, solving puzzles, and battling monsters. Specific details about the game's features and the developer are not readily available.

Daikaijuu Monogatari - Poyon no Dungeon Room (Japan)

Daa! Daa! Daa! - Totsuzen Card de Battle de Uranai de! (Japan)