Retro Game Challenge 1 + 2 Replay includes remastered versions of the DS games GameCenter CX: Arino no Chousenjou (released as Retro Game Challenge in the west) and sequel GameCenter CX: Arino no Chousenjou 2 (only released in Japan) in celebration of the GameCenter CX TV program’s 20th anniversary. Each game consists of a variety of retro-style minigames.