I think Guerilla Bob could have taken this a lot further than it actually does, but its a step in the right direction. 도전과제 게릴라 밥을 플레이하면서 도전과제를 달성하면 게임 내 도전과제를 잠금 해제할 수 있습니다. Im a big fan of goals in games, and of ingame achievements by extension.