Single-player games like Apollo in Outer Space
Below are 8 single-player Steam games similar to Apollo in Outer Space, 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 Apollo in Outer Space page.
Ranked picks
- 1
Rooster Tale (2D Platformer)
Single-player alternative to Apollo in Outer Space — playable solo, no multiplayer required. Shares Adventure with Apollo in Outer Space.
Become a hero rooster and rescue the kidnapped chickens in this fast-paced 2D platformer game! Use your skills and quick reflexes to overcome enemies and navigate colorful, retro-inspired levels. Can you save the day? Play now and find out!
- 2
妖变速递 Mutant Express
Single-player alternative to Apollo in Outer Space — playable solo, no multiplayer required. Shares Adventure with Apollo in Outer Space.
This is a pixel style platform jumping game where players need to play a courier to avoid obstacles, mechanisms, and monsters along the way. Completing a level within a limited time will earn rewards, but there will be no rewards beyond that time.
- 3
Climb It
Single-player alternative to Apollo in Outer Space — playable solo, no multiplayer required. Shares Adventure with Apollo in Outer Space.
Climb It is a platformer and a puzzle game. Find all levels in a world which want to kill you and finish them. But be careful...be prepared to hit the "Restart" button more than once !
- 4
Atomic Hazard
Single-player alternative to Apollo in Outer Space — playable solo, no multiplayer required. Shares Adventure with Apollo in Outer Space.
Atomic Hazard is a action puzle platformer. Take advantage of your environment in physics-based movement and combat.
- 5
Galaxy Pilgrim
Single-player alternative to Apollo in Outer Space — playable solo, no multiplayer required. Shares Adventure with Apollo in Outer Space.
Launch into a high-stakes, physics-based arcade game where you can't walk, so you must fly! Boost a reluctant engineer through hundreds of levels of chaotic, pinball-like flight, dodging deadly traps and collecting ore for his country.
- 6
Olija
Single-player alternative to Apollo in Outer Space — playable solo, no multiplayer required. Shares Adventure with Apollo in Outer Space.
Olija is a game about Faraday's quest, a man shipwrecked then trapped in the mysterious country of Terraphage. Armed with a legendary harpoon, he and other castaways try to leave this hostile country to return to their homelands.
- 7
Sword of Destiny
Single-player alternative to Apollo in Outer Space — playable solo, no multiplayer required. Shares Adventure with Apollo in Outer Space.
Fight to restore the peace and justice in the world by thwarting the treacherous plans of the King, who turns the innocent into mindless skeletons to conquer the world.
- 8
PSYCRON
Single-player alternative to Apollo in Outer Space — playable solo, no multiplayer required. Shares Adventure with Apollo in Outer Space.
A fast-paced 2D handcrafted metroidvania with strange sci-fi environments. Something is roaming the halls, watching your every move.