Grand Open: Play Retro Arcade Games, Collect 22 Companions!

Welcome to the Grand Open of Isekai Arcade! Your retro adventure in another world officially begins today. Currently, 22 unique and charming companions are waiting for you! Play various classic mini-games to collect them all and build your dream party. Raise their Affinity to unlock secret 2D animations and intimate stories. Challenge the high-score leaderboards, unlock exclusive achievements, and prove your gaming skills! Insert Coin now and start your new Isekai life!