all three of his other friends, all of which suffer from amnesia and take on Bop-Louie as a threat. Once all four are back together, the group must collect three keys by defeating guardians to open a gate and face. an interconnected free-roaming environment, collecting items, defeating enemies and bosses, and obtaining power-ups. Three of the game's bosses are Bop-Louie's friends, who later become playable characters by defeating them and each one have their own unique skills. 