As the primary player, complete a level by only finishing off enemies with your bionics.
Defeat the final boss.
Defeat something huge.
Kill the miniboss in Puerto Cálao.
As the primary player, complete the game without jumping.
As the primary player, complete the game on hard difficulty.
As the primary player, complete all levels with both prestige upgrades equipped.
Complete all challenge rooms.
Complete the game in coop mode.
As the primary player, kill 4 enemies with one barrel.
As the primary player, obtain all bionic arm upgrades as the primary player.
As the primary player, find all Yashichis.
