Mars field guide

Blind Descent Wiki

Explore the caves beneath Mars. Join the Steam Playtest, bring your crew, and keep the outpost running.

Field guides

Join the Steam PlaytestFind the Join the Playtest button on Steam, locate Blind Descent Playtest in your library and check when the October co-op test opened.Outpost generatorFind Blue Creeper Shell, add fuel to the outpost generator and use Emergency Override to access the main module terminal.Water purifierRepair the water purifier, replace the empty Watermelon and fill a Watercone so you can drink clean water.Craft a knifeMake a Mite Claw Knife from Crab Leg, Mite Claw and Vine in the Handcrafting tools tab.

Official trailer

Blind Descent is an open-world survival game set beneath Mars. Explore alien caves, build shelter and adapt through technology or mutations.

Watch on YouTube

Common questions

When does Blind Descent come out?

Blind Descent is scheduled to enter PC Early Access on December 2, 2026, on Steam, GOG and the Epic Games Store.

PC Early Access

Release date and platforms

How many people can play Blind Descent together?

Blind Descent supports solo play and co-op for up to four players total. In the October Steam playtest, friends can join after the opening infection cutscene.

October Steam co-op playtest and planned PC Early Access

Multiplayer and crossplay

How do I join the Blind Descent playtest?

Sign in to Steam and open the Blind Descent store page. If you see Join the Playtest, select it, then look for Blind Descent Playtest in your Steam Library.

Steam on PC

Join the Steam Playtest