Single-player games like Astral Outpost
Below are 8 single-player Steam games similar to Astral Outpost, 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 Astral Outpost page.
Ranked picks
- 1
Fireworks Incremental
Single-player alternative to Astral Outpost — playable solo, no multiplayer required. Shares Strategy and Simulation with Astral Outpost.
Bad Wizard covered the land with a Magical Dome and the only way to destroy it is with fireworks! Hire units, unlock buildings, buy powerful upgrades, discover unique synergies, create a ridiculous spectacle and ultimately defeat The Bad Wizard in this addictive incremental game about fireworks!
- 2
Aeons Odyssey
Single-player alternative to Astral Outpost — playable solo, no multiplayer required. Shares Strategy and Simulation with Astral Outpost.
An idle management game about discovering planets, building colonies, crafting equipment, collecting ships, growing an interstellar economy and joining fellow captains online. Includes an optional companion mode to keep track of your progress.
- 3
Singularity Simulator: Click Is All You Need
Single-player alternative to Astral Outpost — playable solo, no multiplayer required. Shares Strategy and Simulation with Astral Outpost.
A clicker/incremental game themed around the technological singularity. Use AI to streamline AI development, build data centers and power plants, and venture into space in pursuit of even more power.
- 4
Desk Space: Idle Spacefleet clicker
Single-player alternative to Astral Outpost — playable solo, no multiplayer required. Shares Strategy and Simulation with Astral Outpost.
Grow your fleet of spaceships in this incremental space game. Mine asteroids and trade with stations, unlock upgrades to make more money, deploy pirates, and unlock [REDACTED]. Pin to your desktop and watch your empire grow while you do "more important" things.
- 5
A Game About Getting Bigger
Single-player alternative to Astral Outpost — playable solo, no multiplayer required. Shares Simulation and Casual with Astral Outpost.
A Game About Getting Bigger is a loot-driven incremental game about feeding a growing black hole. Destroy celestial bodies to make the black hole at the center grow larger and larger.
- 6
OIL.EXE
Single-player alternative to Astral Outpost — playable solo, no multiplayer required. Shares Strategy and Simulation with Astral Outpost.
Drill the wells. Run the refinery. Read the market. OIL is a free text-based simulation of running a petroleum operation, played at a 1980s green-phosphor terminal. End each year richer or bankrupt. Mind the bear market. Climb the leaderboard.
- 7
Mars Clicker
Single-player alternative to Astral Outpost — playable solo, no multiplayer required. Shares Strategy and Simulation with Astral Outpost.
An idle clicker & incremental game set on Mars. Break crystals, automate your drills, build your colony, and trigger prestige Cycle Resets for permanent Dark Matter upgrades. Ares Consolidated Extraction thanks you for your continued compliance.
- 8
Money Laundering Raccoon
Single-player alternative to Astral Outpost — playable solo, no multiplayer required. Shares Strategy and Simulation with Astral Outpost.
Manage a laundromat for your raccoons to wash dirty money.