Somebody tried to tap the Earth's core and let out the Sludge God instead. It is turning soil into scum and people into monsters, and the scientist responsible cannot afford proper mercenaries.

Four idiots with a plan

You pick a class, get in a vehicle with your friends and drive at the problem. Guns, grenades, special abilities and katanas, against hordes that keep getting worse.

Eighties, on purpose

Buddy-movie banter, practical-looking horror and the kind of humour that goes with both. The Carpenter influence is in the tone and the pacing, not just the title.

Get better at it

Skills and abilities upgrade as you go, and the challenges scale up to meet them. It is built to be replayed with the same group.