Take one leave one - Person with only 1 inv slot (puzzle, 3D?) - Limbs, take a limb, lose a random limb, physics games, reach end (Joke entry) - Marble game but you play baton with marbles to move around the scene :) :) - Maybe the marbles left turn into zom-balls? (twist) - Heartbreak? (leave a person for another, each person has different abilites and so many uses) - lemmings - each powerup used a lemming dies?