Single-player games like Colossus Mission - adventure in space, arcade game
Below are 16 single-player Steam games similar to Colossus Mission - adventure in space, arcade game, 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 Colossus Mission - adventure in space, arcade game page.
Ranked picks
- 1
Floathink
Single-player alternative to Colossus Mission - adventure in space, arcade game — playable solo, no multiplayer required. Shares Indie and Casual with Colossus Mission - adventure in space, arcade game.
Floathink is an action puzzle game with physics and gravity, which objective is to reach the platform of each level with your spaceship as soon as you can, by avoiding several space obstacles.
- 2
Aery - A New Frontier
Single-player alternative to Colossus Mission - adventure in space, arcade game — playable solo, no multiplayer required. Shares Indie and Casual with Colossus Mission - adventure in space, arcade game.
Aery – A new Frontier is a story-driven 3D flight exploration game in which you control a bird-like creature while flying through a immersive but peaceful Sci-Fi world. Follow an interesting story through space and time and enjoy the relaxing gameplay while an exploring unknown colorful world.
- 3
Starlight Scouts
Single-player alternative to Colossus Mission - adventure in space, arcade game — playable solo, no multiplayer required. Shares Indie and Casual with Colossus Mission - adventure in space, arcade game.
Pilot your rugged rocket through a captivating retro adventure as a Starlight Scout. Master the physics-based gameplay and discover the secrets of the Galaxy!
- 4
Ace of Space
Single-player alternative to Colossus Mission - adventure in space, arcade game — playable solo, no multiplayer required. Shares Action and Indie with Colossus Mission - adventure in space, arcade game.
You and your spaceship versus thousands of aliens! Blast through waves of aliens with upgradable spaceships in this sci-fi shoot ’em up game and become the Ace of Space!
- 5
Pink Devil
Single-player alternative to Colossus Mission - adventure in space, arcade game — playable solo, no multiplayer required. Shares Action and Indie with Colossus Mission - adventure in space, arcade game.
Join the fight against alien invaders in Pink Devil. Pilot an upgradable fighter jet through diverse environments, from oceans to deserts. Face unique bosses with distinct tactics and use weapons like machine guns, lasers, and rockets. Become the unstoppable Pink Devil and save the planet.
- 6
Gravity Force
Single-player alternative to Colossus Mission - adventure in space, arcade game — playable solo, no multiplayer required. Shares Action and Indie with Colossus Mission - adventure in space, arcade game.
Gravity Force puts you into the seat of a drone pilot. Steer your spaceship through narrow caves (2.5D) to fulfill your job: locate and retrieve cargo crates without wrecking the ship. The minimalistic controls and realistic physics are easy to learn, but hard to master.
- 7
Orbital Invaders
Single-player alternative to Colossus Mission - adventure in space, arcade game — playable solo, no multiplayer required. Shares Action and Indie with Colossus Mission - adventure in space, arcade game.
3D Sci-Fi arcade Shoot'em up game. Destroy asteroids and aliens. Shoot them all!3D arena shooter with multiple worlds. Spaceship simulator and shmup arcade style game.
- 8
Martian Invaders
Single-player alternative to Colossus Mission - adventure in space, arcade game — playable solo, no multiplayer required. Shares Action and Indie with Colossus Mission - adventure in space, arcade game.
WE HAVE ALIENS, YOU DON'T—Blast Martian invaders and flying saucers across 30 stages with robotic voice effects. Use your destructible shield, rescue army men for bonus points, and chase the high score.
- 9
Farmer's Life
Single-player alternative to Colossus Mission - adventure in space, arcade game — playable solo, no multiplayer required. Shares Indie and Casual with Colossus Mission - adventure in space, arcade game.
🌾Unleash the Farmer within. 🚜 Dive into the rustic charm of rural living in "Farmer's Life," where you'll experience the joy and challenges of life on a vibrant farmstead. Plant, grow, and embrace a country living in a vast open world. You choose from diverse mechanics and endless possibilities.
- 10
House Builder
Single-player alternative to Colossus Mission - adventure in space, arcade game — playable solo, no multiplayer required. Shares Indie and Casual with Colossus Mission - adventure in space, arcade game.
Become a one-man construction crew! Travel around the world and through the ages to build iconic designs! Beware of unpleasant temperatures and dangerous fauna!
- 11
Aquarist
Single-player alternative to Colossus Mission - adventure in space, arcade game — playable solo, no multiplayer required. Shares Indie and Casual with Colossus Mission - adventure in space, arcade game.
A relaxing sandbox casual simulation game where you perform various, even strange, aquarium-related tasks on very diverse levels. As an Aquarist you must create and manage a home to amazing fish🐟, sea turtles🐢, sharks🦈, octopuses🐙, and more🐬. Aquarium is their world and life. Make it worth...
- 12
Pool Cleaning Simulator
Single-player alternative to Colossus Mission - adventure in space, arcade game — playable solo, no multiplayer required. Shares Indie and Casual with Colossus Mission - adventure in space, arcade game.
"Pool Cleaning Simulator is a PowerWash Simulator-esque cleaning game where you use a variety of tools to make filthy pools sparkling clean." The game recreates the entire process of cleaning, scrubbing, & maintaining various pools, from luxurious backyard havens to community swimming complexes.
- 13
Snow Plowing Simulator
Single-player alternative to Colossus Mission - adventure in space, arcade game — playable solo, no multiplayer required. Shares Indie and Casual with Colossus Mission - adventure in space, arcade game.
Experience the serene joy of snow plowing in this relaxing simulation game! Drive powerful plows, clear roads, and keep your town safe. Uncover a surprising story, face survival challenges, and tackle advanced weather systems. Embrace winter's chill and become the ultimate snow-clearing hero!
- 14
Junkyard Builder
Single-player alternative to Colossus Mission - adventure in space, arcade game — playable solo, no multiplayer required. Shares Indie and Casual with Colossus Mission - adventure in space, arcade game.
In Junkyard Builder, you’re the proud owner of a once-forgotten junkyard, now brimming with endless potential. Dive into the satisfying world of restoration, recycling, and raw hustle as you transform trash into treasure and rise to become the ruler of the junk empire!
- 15
Forest Ranger Simulator
Single-player alternative to Colossus Mission - adventure in space, arcade game — playable solo, no multiplayer required. Shares Indie with Colossus Mission - adventure in space, arcade game.
Take care of forgotten nature's treasure. Build, craft, feed, clean and manage your forest in Forest Ranger Simulator. Ensure its long-lasting beauty and become a flawless Forest Ranger!
- 16
Farmer's Father: Save the Innocence
Single-player alternative to Colossus Mission - adventure in space, arcade game — playable solo, no multiplayer required. Shares Action and Indie with Colossus Mission - adventure in space, arcade game.
War breeds heroes you've never heard of. You are the ordinary person holding a huge burden of protecting what's most precious and innocent. Fight with hunger, wounds, cold, disease, and enemy cruelty. Defend your family and survive the war!