Champ's Challenge is a Minigame found in Olympus Coliseum in Kingdom Hearts 358/2 Days. The minigame coincides with Mission 46, where Roxas is tasked with collecting hearts. In this training, Roxas is told by Phil to collect as many points as he can by defeating Loudmouths or smashing barrels within 1 minute 30 seconds. He can gain additional hearts by defeating Loudmouths during the training.