Designed to look like it's name. Claustrophobic-you'll find yourself running into walls a lot. Mouse players will have an advantage in this one... but it got old pretty quickly for all of us.

A three level solo scenario. Needs a great deal of texture alignment, and the lighting could stand a bit of sprucing up, but there's plenty to kill... I got a little tired of the fight-to-a-teleporter, see-if-you're-done style.

A pretty nice dual arena, in a sort of twisted figure eight layout. The hill is in the room that looks a lot like Everyone's Mortal... flow is great, and ammo is plentiful. This also serves as a great level for fusion bob target practice. Comes with an optional physics model.

A classic-style arena, reminiscent of Lack of Vision or What Goes Up... fantastic flow, nice variety of playing styles, and a few secrets. (Watch your back if your opponents find the recharger before you do!) Big enough for eight, but plays well with three or four, as well. Worth the download.