Knock-out: Everyone gets set at 1 health and are left with nothing but their fists to fend for themselves.
One-shot, one-kill: Everyone gets a sniper and starts with 50 health.
Doctor McStubbin's parkour course: Complete the given course.
The last one standing: Players get spawned on a high place and are given clown horns to try and knock each other off, fall damage kills them, last one standing wins!