Single-player games like Critical Descent
Below are 8 single-player Steam games similar to Critical Descent, 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 Critical Descent page.
Ranked picks
- 1
A-Spec First Assault
Single-player alternative to Critical Descent — playable solo, no multiplayer required. Shares Action with Critical Descent.
Fly corvette-class warships. Engage in combat operations against fighters, frigates, cruisers, and more dangerous foes. Choose the ships, weapons, and improvement modules, your group will deploy with. Use tactical command decisions to overcome dangerous encounters with unrelenting enemies.
- 2
Mars Horizon
Single-player alternative to Critical Descent — playable solo, no multiplayer required.
Lead a major space agency as you guide humanity to Mars in this strategy simulation game. Construct a base, design and build rockets, conduct missions throughout the Solar System, and write your own history of Space exploration. Created with support from the European Space Agency.
- 3
Only One Burn
Single-player alternative to Critical Descent — playable solo, no multiplayer required.
Land the craft without crashing. Oh, and you only get one burn!
- 4
Sylph
Single-player alternative to Critical Descent — playable solo, no multiplayer required.
Operate a spacecraft at the edge of a singularity. Use realistic orbital mechanics and Newtonian physics to explore a star system around a black hole and what lies beyond.
- 5
Mars First Logistics
Single-player alternative to Critical Descent — playable solo, no multiplayer required.
Build physically simulated rovers to transport awkwardly shaped cargo across the rugged terrain of Mars. Earn funds, unlock new parts, and use your ingenuity to help the Martians establish a new home. Playable solo or in online co-op!
- 6
Reentry - A Space Flight Simulator
Single-player alternative to Critical Descent — playable solo, no multiplayer required.
Do you have what it takes to become an astronaut? Reentry is a realistic space flight simulator inspired by the early NASA space programs, from orbiting Earth in Mercury and Gemini, to the moon landing in project Apollo. Learn the procedures. Operate the spacecraft. Complete the mission.
- 7
ΔV: Rings of Saturn
Single-player alternative to Critical Descent — playable solo, no multiplayer required. Shares Action with Critical Descent.
A physics-based mining sim, set in the thickest debris field in Sol. Every action has a reaction, lasers are invisible without a medium, and your thrust is a potent weapon. Find trade, adapt your equipment to your playstyle, hire a crew to help. Unravel the mysteries of the rings, or just get rich.
- 8
OVERVIEW (A Walk Through The Universe)
Single-player alternative to Critical Descent — playable solo, no multiplayer required.
Overview is a mind-changing experience about our position in the Universe. With a narrative and an interactive mode, it features realistic imagery and accurate data to leave you in awe and wonder at the vastness of the Cosmos.