Single-player games like Isolation One
Below are 9 single-player Steam games similar to Isolation One, 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 Isolation One page.
Ranked picks
- 1
Undead Space
Single-player alternative to Isolation One — playable solo, no multiplayer required. Shares Action and Adventure with Isolation One.
SPACE - FEAR, AND NO ONE WILL HELP YOU ............. A mix of horror and complete hopelessness. Explore dark corridors, isolated research modules, and abandoned Martian complexes. Here, you are completely alone, surrounded by the undead. Survive by immersing yourself in cosmic SURVIVAL HORROR.
- 2
The Multiverse Cleaner
Single-player alternative to Isolation One — playable solo, no multiplayer required. Shares Action with Isolation One.
You are Ted, a multiverse cleaner. Travel across multiple universes and realities to complete your employer's tasks. Each mission takes place in a different universe, but there is a central plot that connects them all. It's up to you to protect the multiverse.
- 3
The Last Camp : Dawn
Single-player alternative to Isolation One — playable solo, no multiplayer required. Shares Action and Adventure with Isolation One.
The Last Camp is a post-apocalyptic world-themed game. It utilizes high-quality graphics, a rich weapon and item system, and a vast world map to create a cross-generational twin-stick shooter, bringing a feast to hardcore shooter players.
- 4
Clive vs Hives 2
Single-player alternative to Isolation One — playable solo, no multiplayer required. Shares Action with Isolation One.
Blast aliens to pieces and start a rebellion in this fast paced pixel art top down shooter where sprinting kills.
- 5
Space Light
Single-player alternative to Isolation One — playable solo, no multiplayer required. Shares Action with Isolation One.
Get ready to embark on a thrilling space adventure across the cosmos, where you'll explore new planets, engage in thrilling space battles, and shape the fate of humanity among the stars.
- 6
Be Human...Or Die Trying
Single-player alternative to Isolation One — playable solo, no multiplayer required. Shares Action with Isolation One.
Use the bathroom or defend your home from zombies? The choice is yours! Be Human... Or Die trying is a 1-8 player co-op defense game where killing zombies is just as important as taking a shower. Also did I mention that you play an alien in a mech suit? Yeah it's a weird game like that.
- 7
Code-Black
Single-player alternative to Isolation One — playable solo, no multiplayer required. Shares Action and Adventure with Isolation One.
A First-Person Single-Player Zombie Survival game where you, "Rugir J.z" live through the initial events of a mass zombie outbreak, shoot, kill, upgrade, explore. Do you think you can survive, or possibly escape…
- 8
West Escape
Single-player alternative to Isolation One — playable solo, no multiplayer required. Shares Action and Adventure with Isolation One.
West Escape is a game that fuses Wild West grit with sci-fi chaos. As a fugitive, battle alien invaders while collecting scrap to upgrade your gear. Dodge attacks, wield revolvers and shotguns, and reclaim your freedom and lost love.
- 9
Nia: Jewel Hunter
Single-player alternative to Isolation One — playable solo, no multiplayer required. Shares Adventure with Isolation One.
Immerse yourself in an atmospheric world where a young girl named Nia is transported to an ancient realm. Solve puzzles, avoid dangers, collect artifacts, and activate portals to bring Nia back to the modern world. The challenges and mysteries of ancient civilizations await you!