Single-player games like Infinite Abyss
Below are 9 single-player Steam games similar to Infinite Abyss, 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 Infinite Abyss page.
Ranked picks
- 1
Unstoppable Gorg
Single-player alternative to Infinite Abyss — playable solo, no multiplayer required. Shares Action and Strategy with Infinite Abyss.
Defend the solar system from fearsome aliens by sending satellites into orbit in revolutionary tower defense action!
- 2
Iron Marines
Single-player alternative to Infinite Abyss — playable solo, no multiplayer required. Shares Action and Strategy with Infinite Abyss.
Real-time strategy battles in amazing sci-fi worlds! Command brave soldiers, mighty mechas and powerful aliens to face the greatest challenges in hostile alien worlds. The galaxy needs you!
- 3
Microcosmum 2
Single-player alternative to Infinite Abyss — playable solo, no multiplayer required. Shares Action and Strategy with Infinite Abyss.
A relaxing strategy game featuring unconventional gameplay. Your objectives include development, evolution, border expansion and protection of your hive.
- 4
Alien Hallway
Single-player alternative to Infinite Abyss — playable solo, no multiplayer required. Shares Action and Strategy with Infinite Abyss.
Players measure stamina with a never-ending stream of green creatures within the borders of a special military mission.
- 5
SENTRY
Single-player alternative to Infinite Abyss — playable solo, no multiplayer required. Shares Action and Strategy with Infinite Abyss.
SENTRY is an action-defense first person shooter where you defend your spaceship against invading aliens. Plot an escape route through hostile space and battle the enemy across your vessel with the support of traps, turrets and environmental destruction.
- 6
DG2: Defense Grid 2
Single-player alternative to Infinite Abyss — playable solo, no multiplayer required. Shares Strategy and Indie with Infinite Abyss.
Great strategy is timeless. Build, adapt, and defend across dynamic maps, solo or online - every session brings new strategies, new solutions, and new surprises. Now is the perfect time to enter the grid.
- 7
Weird Worlds: Return to Infinite Space
Single-player alternative to Infinite Abyss — playable solo, no multiplayer required. Shares Strategy and Indie with Infinite Abyss.
Weird Worlds: Return to Infinite Space is a hybrid roguelike game of space exploration, adventure and starship combat.
- 8
Grey Goo
Single-player alternative to Infinite Abyss — playable solo, no multiplayer required. Shares Strategy with Infinite Abyss.
Fight for control of a frontier world. Gather resources, build your base, and command your forces in battle. Survive long enough to unleash your ultimate weapon - THE EPIC.
- 9
Mechanical Lab
Single-player alternative to Infinite Abyss — playable solo, no multiplayer required. Shares Action and Indie with Infinite Abyss.
Mechanical Lab is a 2D action game focused on the physical interaction of machines with the environment. Explore, build and experiment to survive in the city of robots long after the end of human civilization.