IMHO.

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. 1
    Skyborne Terrors — Steam game cover

    Skyborne Terrors

    Single-player alternative to Atomic Brain — playable solo, no multiplayer required. Shares Action and Indie with Atomic Brain.

    "Skyborne Terrors" is a unique horror game where you navigate dangerous, dense skies using a mechanical aircraft. But the skies are far from empty! Demonic balloons haunt the skies, hunting for fresh victims!

    ActionIndieAdventureSingle-playerSimilar games →
  2. 2
    Scream Light — Steam game cover

    Scream Light

    Single-player alternative to Atomic Brain — playable solo, no multiplayer required. Shares Action and Strategy with Atomic Brain.

    One place. Two realities. Neither is safe. Scream Light is a 4-player co-op horror game where your team crosses into a dark, abandoned version of the same world. Creatures react to sound, darkness can be deadly, and sometimes screaming is your only way out.

    ActionStrategyIndieSingle-playerSimilar games →
  3. 3
    The Team Seven — Steam game cover

    The Team Seven

    Single-player alternative to Atomic Brain — playable solo, no multiplayer required. Shares Action and Strategy with Atomic Brain.

    Fully Destructible Environments: No wall is safe. Tear down cover, create custom sightlines, and rewrite the map layout to outsmart your enemies.

    ActionStrategyAdventureSingle-playerSimilar games →
  4. 4
    Hidden Post-Apocalyptic Top-Down 3D — Steam game cover

    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.

    2022ActionStrategyIndie199.99 USDSingle-playerSimilar games →
  5. 5
    little boy — Steam game cover

    little boy

    Single-player alternative to Atomic Brain — playable solo, no multiplayer required. Shares Action and Indie with Atomic Brain.

    To survive, should you fight or flee? Fighting or fleeing won't always be the answer. You must conserve resources and increase them through exploration. Be careful when crossing platforms; even the slightest mistake can have serious consequences. Don't forget to collect the keys to open the gates.

    2026ActionIndieAdventure1.99 USDSingle-playerSimilar games →
  6. 6
    Hard as Hell — Steam game cover

    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.

    2024ActionStrategyIndie0.99 USDSingle-playerSimilar games →
  7. 7
    Batoo — Steam game cover

    Batoo

    Single-player alternative to Atomic Brain — playable solo, no multiplayer required. Shares Action and Strategy with Atomic Brain.

    Based on a police report dismissed, BATOO is a story-driven horror game set in 1958 BS Nepal. As per the evidence by Ved, you will uncover what really happened in the forest with his friend.

    ActionStrategyIndieSingle-playerSimilar games →
  8. 8
    Sealand Survivor — Steam game cover

    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?

    2025ActionStrategyIndie0.99 USDSingle-playerSimilar games →