Single-player games like Colonization of the Moon
Below are 9 single-player Steam games similar to Colonization of the Moon, 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 Colonization of the Moon page.
Ranked picks
- 1
Battle 19XX
Single-player alternative to Colonization of the Moon — playable solo, no multiplayer required. Shares Action and Indie with Colonization of the Moon.
Battle 19XX is a 2D side-scrolling and easy-to-play war game where players need to lead their army to defeat the enemy, and at the same time, they need to go into battle to fight the enemy. A simple resource system, diverse arms, and weapons upgrade your weapons immediately to fight together.
- 2
GearGrave
Single-player alternative to Colonization of the Moon — playable solo, no multiplayer required. Shares Action and Indie with Colonization of the Moon.
2D side-scrolling strategy game. Spawn units, fight, and destroy. Your choices decide victory or defeat.
- 3
Battle Marine
Single-player alternative to Colonization of the Moon — playable solo, no multiplayer required. Shares Action and Indie with Colonization of the Moon.
SHOOT 'EM UP! Battle Marine is a simple naval barrage STG. A barrage of intense shots! Shoot 'em up! Shoot 'em up! Chain bombs with detonation, powerful laser sweeps, and jumps to collect medals! Enjoy a RETRO but NEW and exhilarating STG experience!
- 4
Biolab Wars
Single-player alternative to Colonization of the Moon — playable solo, no multiplayer required. Shares Action and Indie with Colonization of the Moon.
Inspired by the 8-bit games and by the movies from the 80's, your goal is to blow things up, defeat aliens and fight bizarre bosses in this platformer 2D with classic mechanics.
- 5
Wasp Wars 2
Single-player alternative to Colonization of the Moon — playable solo, no multiplayer required. Shares Action and Indie with Colonization of the Moon.
A run n' gun FULL ON ACTION 2d shooter. Pretty difficult, lots of explosions.
- 6
Creeper World 4
Single-player alternative to Colonization of the Moon — playable solo, no multiplayer required. Shares Action and Indie with Colonization of the Moon.
The unstoppable fluid enemy has returned and destroyed every world in its path! Defend against Creeper as it floods across the 3D terrain in this real time strategy game where the enemy is a fluid.
- 7
Creeper World IXE
Single-player alternative to Colonization of the Moon — playable solo, no multiplayer required. Shares Action and Indie with Colonization of the Moon.
The unstoppable alien force known as The Creeper has returned, devouring thousands of worlds in its path, and yours is next. Battle against the Creeper fluid in a groundbreaking pixel-level simulation to prove that humanity will rule the galaxy forever!
- 8
Front Line
Single-player alternative to Colonization of the Moon — playable solo, no multiplayer required. Shares Action and Indie with Colonization of the Moon.
A side-scrolling action shooter where you push through enemy lines, switching between handgun, machine gun, shotgun, and sniper rifle. Weapon choice and reload timing can mean the difference between life and death. No extra lives. No continues. One life to conquer the battlefield.
- 9
Clowns
Single-player alternative to Colonization of the Moon — playable solo, no multiplayer required. Shares Indie with Colonization of the Moon.
Clowns-2d shooter with platformer elements, where the player protects the circus tent from the incoming wave of mad clowns, picking up unique weapons and bonuses that will help in passing the levels and the final meeting with a huge clown. Feature of game: - Complexity - Pixel-Art - Unique weapon