Single-player games like Action Alien
Below are 14 single-player Steam games similar to Action Alien, 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 Action Alien page.
Ranked picks
- 1
Action Alien: Tropical
Single-player alternative to Action Alien — playable solo, no multiplayer required. Shares Action and Indie with Action Alien.
Explore the sea with your boat and clear islands of tropical forests infested with aliens and nests !
- 2
Foreign Fortress
Single-player alternative to Action Alien — playable solo, no multiplayer required. Shares Action and Indie with Action Alien.
Escape from the Alien, find necessary items that allow you to escape and cure the virus, and bring hope to humanity, yourself, and your family.
- 3
Resilience Wave Survival
Single-player alternative to Action Alien — playable solo, no multiplayer required. Shares Action and Indie with Action Alien.
Resilience: Wave Survival is a physics based endless wave survival shooter. Explore to Search for Weapons and Ammo to help Defeat the Enemies, better find food and water too if you want to Survive for longer, but Beware of the Tripods stalking the lands.
- 4
Black Mesa
Single-player alternative to Action Alien — playable solo, no multiplayer required. Shares Action and Indie with Action Alien.
Relive Half-Life.
- 5
CDF Ghostship
Single-player alternative to Action Alien — playable solo, no multiplayer required. Shares Action and Indie with Action Alien.
CDF Ghostship is a science-fiction Old-style shooter featuring an open-world spaceship, space station and colony. Each new game will offer a challenge with random story-lines and narrative, random enemies and multiple endings. Can you escape the Ghostship?
- 6
Space of Darkness
Single-player alternative to Action Alien — playable solo, no multiplayer required. Shares Action and Indie with Action Alien.
Space of Darkness tells the story of a mechanic who works on a space station. The mechanic is alone on the ship for a few months. One day the power suddenly cuts off. He soon finds himself alone in the dark corridors of a space station. Can you unearth what truly happened on the space station?
- 7
Andarilho
Single-player alternative to Action Alien — playable solo, no multiplayer required. Shares Action and Indie with Action Alien.
You are a guy with a backpack, just try to stay alive!
- 8
The God's Chain
Single-player alternative to Action Alien — playable solo, no multiplayer required. Shares Action with Action Alien.
Finally the day came when we found our GOD.Human Beings are an experiment done by them.The human beings are evolving and have become one of the greatest powers in the universe which is becoming a great problem for other colonies in the universe.So our god decides to end the experiment but now human beings will fight for their existence.
- 9
Serious Sam 3: BFE
Single-player alternative to Action Alien — playable solo, no multiplayer required. Shares Action and Indie with Action Alien.
Serious Sam 3: BFE is a prequel to the original indie fast action FPS and Game of the Year sensation - Serious Sam: The First Encounter!
- 10
Aerial Destruction
Single-player alternative to Action Alien — playable solo, no multiplayer required. Shares Action and Indie with Action Alien.
Take off your helicopter and unleash destruction on the armed groups of bio-engineered mutants through various missions and environments !
- 11
Cyborg Arena
Single-player alternative to Action Alien — playable solo, no multiplayer required. Shares Action and Indie with Action Alien.
In a desert post-apocalyptic world ruled by cyborgs, you are the last soldier alive. Drive across defense lines and reach the evacuation point ! Listen to radio communications ! Also featuring an arena mode.
- 12
Action Alien: Survival
Single-player alternative to Action Alien — playable solo, no multiplayer required. Shares Action and Indie with Action Alien.
Fight hordes of aliens in a completely destructible petrol station with many weapons to grab and aliens to fight !
- 13
Zombie Road Rider
Single-player alternative to Action Alien — playable solo, no multiplayer required. Shares Action and Indie with Action Alien.
Drive through cities and forests infested of zombies, crush all the undeads on your way, rescue the survivors in different environments and unlock all the vehicles. Achieve the best score!
- 14
Cyborg Arena 2
Single-player alternative to Action Alien — playable solo, no multiplayer required. Shares Action and Indie with Action Alien.
Armed with your minigun, complete all the missions and unleash your firepower on the cyborgs! Keep moving and achieve the best online score !