Co-op zombie survival for 1 to 6 players

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Three maps, one way out

A chopper out of the city, a rocket off the planet, and the Moon, where it all started.

The Breacher, a giant zombie in a hi-vis vest, with two zombies under the moon.

Dead End

A flooded city after midnight. Leave by chopper.

Avalanche, an ice-covered yeti boss, and a mutant in a parka at the Frostpeak gate.

Frostpeak Silo

A rocket base in the Arctic. Leave by rocket.

A giant robot boss and two green aliens on the Moon.

Starfall

A moon base full of aliens. Fly home.

62 kinds of trouble

Zombies from Dead End, mutants from Frostpeak, aliens from Starfall. Go on, shoot one.

Up to six players

Invite friends through Steam. Pick each other up, share your gold and bring your own survivor.

Guns, each with an ultimate version
36
Classes to unlock
6
Bosses
18

Download DEADWATT

Free for Windows 10 and 11. Version 1.7.4, 223 MB.

Download for Windows

DEADWATT is free for the first 1,000 players. It will cost €10 on Steam. When it launches there, this free version keeps working but stops getting updates, and the first 25 players get the Steam version for free.

Unzip it and run Deadwatt.exe. The first start goes online once to claim your spot. If Windows SmartScreen stops it, click More info, then Run anyway.

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Questions

Do I need Steam?

Not for solo. Online co-op uses Steam to find your friends, so Steam has to be running. On the same network you can play over LAN or join by IP without it.

Why does Windows warn me about it?

SmartScreen warns about new programs that are not signed with a paid certificate yet. Click More info, then Run anyway.

How do I update?

The game tells you when a new version is out. Download the new zip and replace the old folder. Your spot, level, unlocks, survivor and settings are saved outside the game folder, so nothing is lost. Co-op and the Weekly need the newest version.

Why does the game go online the first time?

To claim one of the 1,000 free spots for your PC. After that it starts offline too. A copy from a friend needs its own spot.

What happens when DEADWATT comes to Steam?

It will cost €10 there. This free version keeps working, but it gets no more updates. The first 25 players get the Steam version for free: the key shows up in the game on launch day.

What do I need to run it?

Windows 10 or 11, 64-bit, and about 1 GB of free space. Mac and Linux are not supported yet.