Single-player games like Brutal Cube
Below are 9 single-player Steam games similar to Brutal Cube, ranked by player overlap. Every pick carries Steam's Single-player category, so multiplayer-only titles or always-online games don't sneak in. imho.run pulls the category data from Steam directly — Single-player here matches what the store labels.
Want the full alternatives list (paid + free + Steam Deck + cheaper picks)? See the parent games like Brutal Cube page.
Ranked picks
- 1

Zombiefield
Single-player alternative to Brutal Cube — playable solo, no multiplayer required. Shares Action with Brutal Cube.
New Zombiefield contractors! Your mission is to open portals to attract tougher zombies and evacuate before the missile strike. Work together with your manager to reduce risks and get paid for completing your contract
- 2

The NAKI Files
Single-player alternative to Brutal Cube — playable solo, no multiplayer required. Shares Action with Brutal Cube.
The NAKI Files is a first-person cooperative horror game where you awaken humanity and survive attacks from a deep state controlled by the alien Anunnaki, using knowledge, improvisation, and plenty of ammunition.
- 3

Project Corruption
Single-player alternative to Brutal Cube — playable solo, no multiplayer required. Shares Action with Brutal Cube.
Project Corruption throws you into the haunting walls of the I.B.I.S. space station as you respond to an S.O.S. signal in search of your wife. Uncover the stations dark secrets, confront monstrous horrors, and survive the aftermath of the failed experiments in immersive sci-fi horror experience.
- 4

War of the Worlds
Single-player alternative to Brutal Cube — playable solo, no multiplayer required. Shares Action with Brutal Cube.
Hardcore horror open world survival game which throws the player into the middle of the extermination of mankind with the sole purpose of surviving long enough to find a way to bring down the alien machines. Loot buildings, fight off hostile survivors, stay hidden from the machines, and stay alive.
- 5

Species: Unknown
Single-player alternative to Brutal Cube — playable solo, no multiplayer required. Shares Action with Brutal Cube.
Species: Unknown is a 1 to 4 players co-op survival horror. Complete high-risk missions aboard an abandoned ship while being hunted by an unknown creature. Survive and upgrade your gear to face each new threat that lurks in the dark.
- 6

Unsafe Express
Single-player alternative to Brutal Cube — playable solo, no multiplayer required. Shares Action with Brutal Cube.
Unsafe Express is a cooperative first-person survival horror game for 1-4 players. Navigate through space stations, collect materials and outlast your enemies! Choose your objective based on complexity levels, then cast your vote. Gather items, exterminate hostiles, fulfill missions and repeat!
- 7

Lethal Company
Single-player alternative to Brutal Cube — playable solo, no multiplayer required. Shares Action with Brutal Cube.
A co-op horror about scavenging at abandoned moons to sell scrap to the Company.
- 8

Bunker Invaders
Single-player alternative to Brutal Cube — playable solo, no multiplayer required. Shares Action with Brutal Cube.
A co-op horror game where you must scavenge for loot and maintain the bunker to keep it standing
- 9

Die for Pay
Single-player alternative to Brutal Cube — playable solo, no multiplayer required. Shares Action with Brutal Cube.
Die for Pay is a CO-OP Multiplayer action crime game where you try to rise from nothing in a world where riots break out every night. Make money by day, gather your crew. By night, stand your ground with honor, or run. When the siren sounds, there's no mercy.