Games like 39 Days to Mars

a hostile interpretation of the immersive sim, where nothing is planned, and everything works

A co-op puzzle heist for two. One of you breaks into a secret bunker. The other sits in the observation office, watching the bunker. A walkie-talkie is your only link. Talk to each other and find out how good your teamwork really is.

Build physically simulated rovers to transport awkwardly shaped cargo across the rugged terrain of Mars. Earn funds, unlock new parts, and use your ingenuity to help the Martians establish a new home. Playable solo or in online co-op!

Spectral Scream is a 1-4 player cooperative horror exploration game. Are you ready to face death in the maw of purgatory? Your goal is to find key items in each chapter and retrieve the orb. But be careful! Threatening and vicious creatures await you at every stage.

Team up as two quirky construction workers in this fun 2-player co-op platformer! Carry a fragile glass window through colorful levels filled with challenges. Communicate and coordinate to dodge obstacles and solve puzzles. Can you finish the job without breaking the glass?

Escape the Backrooms is a 1-4 player co-op horror exploration game. Traverse 30+ eerie backrooms levels while avoiding entities and other dangers. Try to escape but be warned: survival isn't guaranteed.

Experience warfare like never before! Men of War II, the anticipated sequel to the highly acclaimed RTS franchise is here with all-new units, locations, campaigns, game modes and true trademarks of the series: historical fidelity and action-filled gameplay on the Eastern and Western Fronts of WWII.

Astrumis - Survive Together is an exclusively co-op horror game. One player controls a survivor on an abandoned spaceship and the other the ship itself. They must work together to survive against the mysterious monster.

A short horror game where you control a decaying spacecraft exploring distant star systems.

TRAXION 2 is a cave-flyer with single-player, two-player local co-op, and deathmatch modes. Explore alien caves, battle enemies, and tow crystals to the surface with your tractor beam before your fuel runs out.

Embark on a galactic journey in Cubic Odyssey, an open-world adventure where you explore vibrant planets, craft tools, build vehicles, and fight the Red Darkness. Uncover ancient mysteries, and shape a universe full of life, danger, and limitless possibilities!

An attractive puzzle platformer where you use magnetism to escape a factory. Meet a cast of magnet characters and work together to solve logical conundrums.

囡囡回乡参加奶奶一百岁的丧礼。家人们都说老人百岁去世是喜丧,因此家里正大摆宴席招待亲友。独自一人的囡囡看到一个酷似奶奶的身影之后随之而误入某个奇怪的房间，在寻找离开的道路同时，囡囡也逐渐从这些房间的故事中知道了奶奶的来历,更从中得知在喜丧背后所隐藏的秘密。

Submachine is a hand-drawn puzzle adventure game. You find yourself in a vast network of desolate locations containing puzzles, secrets, notes and items to collect to help you along the way. Follow the story of a banished lighthouse keeper to discover his descent into ruins.

A completely self-contained portable version of one of the highest user-rated games. Built on an entirely new engine with new UI, support for Steam Deck, & more. Features world-bending puzzles, intriguing denizens, surreal environments, and a captivating story about the truth of the game's reality.

Step into the future with our groundbreaking VR game set in the year 2119, where humanity embarks on a historic journey into space. Join the "CCM-1" (Callisto Colonization Mission) expedition, aimed at the enigmatic moon of Jupiter - Callisto.

Machinika: Atlas is an indie puzzle game and is the direct sequel to Machinika: Museum, you play as a museum researcher who just land on Atlas. Will you unravel the mysteries of the alien vessel? Solve cryptic puzzles to find out what happened!

Lazaret is an atmospheric first-person horror game. You play as a member of a rescue team called out to investigate a distress signal coming from a ship that disappeared 4 years ago.