Single-player games like Interkosmos 2000
Below are 10 single-player Steam games similar to Interkosmos 2000, 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 Interkosmos 2000 page.
Ranked picks
- 1

Tungsten Moon
Single-player alternative to Interkosmos 2000 — playable solo, no multiplayer required. Shares Indie and Simulation with Interkosmos 2000.
Tungsten Moon is a first-person, immersive spaceflight simulator set on a fictional moon, somewhere in the universe. Stay alive by exploring over 1 million square kilometers of open-world terrain, while at the controls of your personal SkyDart spacecraft.
- 2

3D Solar System Simulator
Single-player alternative to Interkosmos 2000 — playable solo, no multiplayer required. Shares Simulation with Interkosmos 2000.
This is a simulation based upon real physics. Its specifically for use with 3D headsets such as the HTC Vive and Oculus quest. It gives you a 3D perspective of how gravity works and interacts on all the bodies in a solar system. You can experiment with creating your own solar system.
- 3

OVERVIEW (A Walk Through The Universe)
Single-player alternative to Interkosmos 2000 — playable solo, no multiplayer required. Shares Indie and Simulation with Interkosmos 2000.
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.
- 4

Final Orbit
Single-player alternative to Interkosmos 2000 — playable solo, no multiplayer required. Shares Simulation with Interkosmos 2000.
Master the cockpit of highly realistic spacecraft in this Newtonian physics based sim. Take off from surface to space, plot a course between the planets and dock with space stations. Trade commodities or take shipping contracts to buy upgrades and optimize your build - every choice matters.
- 5

Interkosmos
Single-player alternative to Interkosmos 2000 — playable solo, no multiplayer required. Shares Indie and Adventure with Interkosmos 2000.
Interkosmos is an arcady astronaut adventure in VR. Brace yourself for a rush of hectic gameplay to challenge your inner cosmonaut, and a fun story full of twists and Cold War absurdities.
- 6

Reentry - A Space Flight Simulator
Single-player alternative to Interkosmos 2000 — playable solo, no multiplayer required. Shares Indie and Adventure with Interkosmos 2000.
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

Starfighter Arduxim
Single-player alternative to Interkosmos 2000 — playable solo, no multiplayer required. Shares Indie and Simulation with Interkosmos 2000.
Strap into the cockpit of your Arduxim fighter and take on enemy starships in this first-person tactical space shooter. Harks back to the classic Wing Commander games. Playable in VR or on monitor.
- 8

SpaceEngine
Single-player alternative to Interkosmos 2000 — playable solo, no multiplayer required. Shares Indie and Simulation with Interkosmos 2000.
The world's first science-based photorealistic interactive 3D planetarium that models the entire Universe, using procedural generation for uncharted areas.
- 9

Metamorphosis
Single-player alternative to Interkosmos 2000 — playable solo, no multiplayer required. Shares Indie and Adventure with Interkosmos 2000.
Play as Gregor, turned into a tiny bug, and set out on an extraordinary journey to unravel the mystery of your transformation. Metamorphosis is a first person adventure set in a surrealist world where your newfound abilities are your last and only hope for redemption.
- 10

Nemesis: Distress
Single-player alternative to Interkosmos 2000 — playable solo, no multiplayer required.
NEMESIS DISTRESS is a unique multiplayer Sci-Fi horror experience that aims at creating unforgettable, cinematic moments. Remember – this is NOT a shooter, in Nemesis you are not the hunter. You are the PREY.