Single-player games like Atomic Brain
Below are 8 single-player Steam games similar to Atomic Brain, 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 Atomic Brain page.
Ranked picks
- 1
DepthLess
Single-player alternative to Atomic Brain — playable solo, no multiplayer required. Shares Action and Adventure with Atomic Brain.
A surreal first-person platformer horror game where you descend into nightmarish architecture, solve spatial puzzles, and survive grotesque creatures.
- 2
Hidden Post-Apocalyptic Top-Down 3D
Single-player alternative to Atomic Brain — playable solo, no multiplayer required. Shares Action and Strategy with Atomic Brain.
Find the objects that are hidden on the map.
- 3
The Forest Prison
Single-player alternative to Atomic Brain — playable solo, no multiplayer required. Shares Action and Strategy with Atomic Brain.
In 2160, political dissidents were not sentenced directly to death but were sent for 'cognitive and orientation tests' to a prison from which no one had ever escaped alive. This is the story of James Webb, who was sentenced to life in prison.
- 4
Luna Abyss
Single-player alternative to Atomic Brain — playable solo, no multiplayer required. Shares Action and Indie with Atomic Brain.
Luna Abyss is a single player story driven action-adventure with fluid platforming and bullet hell combat. Follow the journey of Fawkes, a prisoner of Luna caught between a cryptic prophecy and their prison sentence.
- 5
Hard as Hell
Single-player alternative to Atomic Brain — playable solo, no multiplayer required. Shares Action and Strategy with Atomic Brain.
It's 1999, and C.R.T. City has plunged into chaos. The crime ridden city has been devastated by vandalism, theft, and destruction... But the tired populous band together. Protect your store, property, and pride from the angry masses, in this blend of a Tower Defence and FPS.
- 6
Pure Heat
Single-player alternative to Atomic Brain — playable solo, no multiplayer required. Shares Action and Adventure with Atomic Brain.
Action-adventure game with very detailed worlds.
- 7
Sealand Survivor
Single-player alternative to Atomic Brain — playable solo, no multiplayer required. Shares Action and Strategy with Atomic Brain.
Survive on Sealand, a mysterious WWII island defense base. Face extreme weather, solve puzzles, and fight off hostile forces trying to stop you. Can you uncover its secrets and escape before time runs out?
- 8
Peperoni Border Simulator
Single-player alternative to Atomic Brain — playable solo, no multiplayer required. Shares Action and Indie with Atomic Brain.
Smuggle goods, upgrade vehicles, and build your empire.