Single-player games like Exo One
Below are 17 single-player Steam games similar to Exo One, 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 Exo One page.
Ranked picks
- 1
Exo One: Prologue
Single-player alternative to Exo One — playable solo, no multiplayer required. Shares Indie and Adventure with Exo One.
A strange signal... an alien craft... an interplanetary, gravity-defying journey through space and time. This is the prologue for Exo One.
- 2
SpaceEngine
Single-player alternative to Exo One — playable solo, no multiplayer required. Shares Indie and Simulation with Exo One.
The world's first science-based photorealistic interactive 3D planetarium that models the entire Universe, using procedural generation for uncharted areas.
- 3
Voyager 2
Single-player alternative to Exo One — playable solo, no multiplayer required. Shares Indie and Simulation with Exo One.
Launch the Voyager space probe to the furthest depths of the Solar System! Use gravity to slingshot around planets and scan, orbit, or land on targets to earn stunning replays of your accomplishments.
- 4
Project Longshot
Single-player alternative to Exo One — playable solo, no multiplayer required. Shares Indie and Adventure with Exo One.
Launch from a familiar world into a 1:1 scale solar system of beautiful, unforgiving planets. Colonise, mine, and explore real places that people may walk upon within your lifetime. Project Longshot hands you a space program and asks only one question. How far can your program go?
- 5
Void Cargo: Equilibrium
Single-player alternative to Exo One — playable solo, no multiplayer required. Shares Indie and Adventure with Exo One.
A first-person sci-fi cargo flight sim. Pilot a physics-driven lander, plan risky routes, manage fuel and heavy cargo, and save deliveries by repairing system failures mid-flight. Earn credits and upgrade your ship.
- 6
Terapixel Mars
Single-player alternative to Exo One — playable solo, no multiplayer required. Shares Indie and Adventure with Exo One.
Terapixel Mars is a real-time planetary experience that lets you traverse the Red Planet seamlessly from orbit down to the surface. Powered by the Terapixel engine, Mars is stored in the cloud and streamed to your system, enabling a level of scale and immersion unmatched by any existing experience.
- 7
ORBITAL
Single-player alternative to Exo One — playable solo, no multiplayer required. Shares Adventure and Simulation with Exo One.
A space adventure where you solve the mystery of your past, building a thriving civilization across a distant solar system. Fly your rocket as a commander, grow your colonies and build planet upgrades to conquer this unknown space.
- 8
Starlight Brigade
Single-player alternative to Exo One — playable solo, no multiplayer required. Shares Adventure and Simulation with Exo One.
Starlight Brigade is a realistic space action-adventure game with a precise combat system and full 6DOF controls. You command the Wayfarer, an aging light cruiser centuries past her time. Plot missile salvos, hunt down your enemy, design munitions, manage your crew, and send engineers to fix damage.
- 9
The Witness
Single-player alternative to Exo One — playable solo, no multiplayer required. Shares Indie and Adventure with Exo One.
You wake up, alone, on a strange island full of puzzles that will challenge and surprise you.
- 10
The Stanley Parable
Single-player alternative to Exo One — playable solo, no multiplayer required. Shares Indie and Adventure with Exo One.
The Stanley Parable is a first person exploration game. You will play as Stanley, and you will not play as Stanley. You will follow a story, you will not follow a story. You will have a choice, you will have no choice. The game will end, the game will never end.
- 11
Space Engineers
Single-player alternative to Exo One — playable solo, no multiplayer required. Shares Indie and Simulation with Exo One.
Space Engineers is a sandbox engineering game where you design and build ships, stations, and planetary bases in a fully destructible environment. Explore planets and space, mine resources, survive hazards, and engage in combat alone or with friends in Creative or Survival modes.
- 12
No Man's Sky
Single-player alternative to Exo One — playable solo, no multiplayer required. Shares Adventure with Exo One.
No Man's Sky is a game about exploration and survival in an infinite procedurally generated universe.
- 13
Superflight
Single-player alternative to Exo One — playable solo, no multiplayer required. Shares Indie and Casual with Exo One.
Superflight is an intense, easy to learn wingsuit game with an infinite number of beautiful procedurally generated maps. A great game to relax for half an hour and chase your latest highscore!
- 14
Outer Wilds
Single-player alternative to Exo One — playable solo, no multiplayer required. Shares Adventure with Exo One.
Named Game of the Year 2019 by Giant Bomb, Polygon, Eurogamer, and The Guardian, Outer Wilds is a critically-acclaimed and award-winning open world mystery about a solar system trapped in an endless time loop.
- 15
Marble Madness
Single-player alternative to Exo One — playable solo, no multiplayer required. Shares Indie and Casual with Exo One.
Marble Madness is a tense and exciting pinball card building game. Using pinball collision as the main gameplay, supplemented by card construction, each game has a different experience, so experience the exhilaration of each collision.
- 16
Tiny Kings
Single-player alternative to Exo One — playable solo, no multiplayer required. Shares Simulation and Casual with Exo One.
Tiny Kings is the whimsical medieval base builder where your dreams of building and managing a pint-sized kingdom come true! Unleash your inner ruler and build your kingdom, manage your citizens' tasks, and dominate the siege to become the ultimate ruler.
- 17
Exo Rally Championship
Single-player alternative to Exo One — playable solo, no multiplayer required. Shares Simulation with Exo One.
Exo Rally Championship is the galaxy’s most dangerous off-road racing event - remote, unexplored, extreme exoplanetary rally. Master a brutally realistic racing simulation and fight for every second gained on your quest to become a champion.