Single-player games like Microcosmum 2
Below are 17 single-player Steam games similar to Microcosmum 2, 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 Microcosmum 2 page.
Ranked picks
- 1
Microcosmum: survival of cells
Single-player alternative to Microcosmum 2 — playable solo, no multiplayer required. Shares Action and Strategy with Microcosmum 2.
Microcosmum: survival of cells. Join the wonderful and amazing world of microorganisms.
- 2
Surviving Mars
Single-player alternative to Microcosmum 2 — playable solo, no multiplayer required. Shares Strategy and Simulation with Microcosmum 2.
There will be challenges to overcome. Execute your strategy and improve your colony’s chances of survival while unlocking the mysteries of this alien world. Are you ready? Mars is waiting for you.
- 3
SPORE™
Single-player alternative to Microcosmum 2 — playable solo, no multiplayer required. Shares Action and Strategy with Microcosmum 2.
Be the architect of your own universe with Spore, an exciting single-player adventure. From Single Cell to Galactic God, evolve your creature in a universe of your own creations.
- 4
Anno 2205™
Single-player alternative to Microcosmum 2 — playable solo, no multiplayer required. Shares Strategy and Simulation with Microcosmum 2.
In Anno 2205™, you join humankind‘s next step into the future with the promise to build a better tomorrow. You conquer Earth, establishing rich, bustling cities and grand industrial complexes, but to secure the prosperity of your people, you must travel into space.
- 5
Space Pirates And Zombies 2
Single-player alternative to Microcosmum 2 — playable solo, no multiplayer required. Shares Action and Strategy with Microcosmum 2.
Design and then improve the ultimate mothership. Explore a persistent living galaxy populated by 200 unique captains that can do everything you can do. Survive the zombie infection and then fight them back. Make allies and start your own faction. Build your empire. Also includes Sandbox Mode.
- 6
Oxygen Not Included
Single-player alternative to Microcosmum 2 — playable solo, no multiplayer required. Shares Indie and Simulation with Microcosmum 2.
Oxygen Not Included is a space-colony simulation game. Deep inside an alien space rock your industrious crew will need to master science, overcome strange new lifeforms, and harness incredible space tech to survive, and possibly, thrive.
- 7
Planetbase
Single-player alternative to Microcosmum 2 — playable solo, no multiplayer required. Shares Strategy and Indie with Microcosmum 2.
Guide a group of space settlers trying to establish a base on a remote planet. Grow food, collect energy, mine resources, survive disasters and build a self-sufficient colony in a harsh and unforgiving environment.
- 8
Gratuitous Space Battles
Single-player alternative to Microcosmum 2 — playable solo, no multiplayer required. Shares Strategy and Indie with Microcosmum 2.
The first ever auto-battler game, from way back in 2009Who needs backstory? Who needs resource-gathering? Diplomacy is so last year. Gratuitous Space Battles cuts right to the chase of sci-fi strategy games, and deals with large, completely unjustified space battles between huge opposing space fleets.
- 9
Creeper World: Anniversary Edition
Single-player alternative to Microcosmum 2 — playable solo, no multiplayer required. Shares Strategy and Indie with Microcosmum 2.
Imagine an enemy that is everywhere and moves like a giant, organic mass across the map. Imagine your base and your people surrounded by a blanket of crushing destruction from all directions. Your only hope, well what hope? Then you take the high ground and pound this enemy into oblivion.
- 10
Croak Crusader: Spawn of the Spore Spectre
Single-player alternative to Microcosmum 2 — playable solo, no multiplayer required. Shares Action and Indie with Microcosmum 2.
Embark on an odyssey into the unknown! Behold the tale of Toadman, an enigmatic being born from alien tech and the mysteries of Radiant Verde. Witness his perilous quest through treacherous jungles to confront Captain Croak in an epic showdown! Welcome to "Spawn of the Spore Spectre"!
- 11
Aircraft Evolution
Single-player alternative to Microcosmum 2 — playable solo, no multiplayer required. Shares Action and Indie with Microcosmum 2.
Take part in aerial battles with warplanes from different eras — from World War I to the future. Drop bombs, upgrade your aircraft, and turn enemy bases into rubble in the explosive action game Aircraft Evolution!
- 12
STELLATUM
Single-player alternative to Microcosmum 2 — playable solo, no multiplayer required. Shares Action and Indie with Microcosmum 2.
Equip your battleship's guns, install faster engines, and increase the power of your reactor. Throw a barrage of rockets on hordes of enemy ships, burning everything in your path!
- 13
Mind Maze
Single-player alternative to Microcosmum 2 — playable solo, no multiplayer required. Shares Action and Strategy with Microcosmum 2.
MIND MAZE - is a logical competitive game based on capturing of the playing field.
- 14
HexLab
Single-player alternative to Microcosmum 2 — playable solo, no multiplayer required. Shares Strategy and Indie with Microcosmum 2.
HexLab is a logical game with a relaxing atmosphere and original gameplay.
- 15
Sky of Destruction
Single-player alternative to Microcosmum 2 — playable solo, no multiplayer required. Shares Action and Strategy with Microcosmum 2.
Sky of Destruction is a top-down shooter created by a team of two people. Combine aircrafts in your combat fleet, which will help you during the mission. Your goal is to destroy the enemy aircraft carrier or buildings, breaking through the enemy air armada. Explosions and total destruction!
- 16
Deep, In the Forest
Single-player alternative to Microcosmum 2 — playable solo, no multiplayer required. Shares Action and Indie with Microcosmum 2.
Game is a deck building roguelite card game with RPG elements. Save the forest kingdom from the oppression of the Mad King.
- 17
I, AI
Single-player alternative to Microcosmum 2 — playable solo, no multiplayer required. Shares Action and Indie with Microcosmum 2.
Classic scrolling shooter with modern graphics. You are self-aware AI. You were created on space military station developing weapons. Now your goal is to break out of the lab and win your freedom.