Single-player games like After the Crash : Colony
Below are 9 single-player Steam games similar to After the Crash : Colony, 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 After the Crash : Colony page.
Ranked picks
- 1

Old Stars
Single-player alternative to After the Crash : Colony — playable solo, no multiplayer required. Shares Strategy and Indie with After the Crash : Colony.
A fast-paced 4X galaxy you can actually finish. Expand by colonising and besieging rival worlds, wield government powers that bend the rules - freeze enemy fleets, sever hyperlanes, vanish into stealth - and race rivals to claim the galactic core. A grand-strategy empire in an evening, not a month.
- 2

Galactic Conflict
Single-player alternative to After the Crash : Colony — playable solo, no multiplayer required. Shares Strategy and Simulation with After the Crash : Colony.
A real-time sci-fi 4X strategy game where you explore procedurally generated star systems, expand your empire, manage resources, build fleets, and wage war against multiple AI factions in a dynamic and evolving galaxy.
- 3

SpaceCraft
Single-player alternative to After the Crash : Colony — playable solo, no multiplayer required. Shares Indie and Adventure with After the Crash : Colony.
The Universe is yours. SpaceCraft is an online space exploration and building game. Explore a vast galaxy of solar systems and planets, mine and craft resources, design and build ships, automate planetary bases and interplanetary logistics, trade and cooperate.
- 4

Stardeus
Single-player alternative to After the Crash : Colony — playable solo, no multiplayer required. Shares Strategy and Indie with After the Crash : Colony.
Stardeus is a deep colony sim set on a broken starship manned by drones and hibernating human survivors. As the AI, have your drones repair your ship, save your crew and travel the stars in this beautiful simulation.
- 5

Dust Fleet
Single-player alternative to After the Crash : Colony — playable solo, no multiplayer required. Shares Strategy and Indie with After the Crash : Colony.
Assume command of a battle fleet and deploy immediately to the Dust Zone, commander. Our main food supply station has gone dark and the United Earth Nations (UEN) needs to know why in this 4X RTS space sim. Manage your ships, control space stations, and watch your back.
- 6

Starpoint Gemini Warlords
Single-player alternative to After the Crash : Colony — playable solo, no multiplayer required. Shares Strategy and Simulation with After the Crash : Colony.
Strategy from the front lines! Starpoint Gemini Warlords combines 3rd person capital spaceship combat with 4X strategy and RPG gameplay elements. Build mighty war fleets and send them into battle or lead them into combat yourself. Become the Warlord and conquer the Gemini system!
- 7

Galactic Ruler
Single-player alternative to After the Crash : Colony — playable solo, no multiplayer required. Shares Strategy and Indie with After the Crash : Colony.
Galactic Ruler offers real time strategy game play at both planetary level and in space! Lead your faction in diplomacy or conquest across a procedurally generated galactic map where any system might hold hostile enemies or resource riches. Develop advanced technologies to rule the galaxy!
- 8

Void Destroyer 2
Single-player alternative to After the Crash : Colony — playable solo, no multiplayer required. Shares Strategy and Indie with After the Crash : Colony.
Start with nothing... End with everything! All you have is a basic ship, barely fit for combat, with it you'll start your journey and empire. A open world space sandbox, inspired by and expanding the classics.
- 9

The Lifeline
Single-player alternative to After the Crash : Colony — playable solo, no multiplayer required. Shares Indie and Adventure with After the Crash : Colony.
To escape this terrifying hospital, you must leave your fears behind. Can you do it? Explore, face zombies, use weapons, avoid traps, and react fast to survive.