Single-player games like UFO Craft
Below are 8 single-player Steam games similar to UFO Craft, 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 UFO Craft page.
Ranked picks
- 1
Rocket Engineer
Single-player alternative to UFO Craft — playable solo, no multiplayer required. Shares Simulation and Casual with UFO Craft.
Design custom rockets and master 2D orbital mechanics to navigate a fully simulated solar system. Establish outposts, process local resources to launch interplanetary missions, and manage critical supply lines to keep your colony's workforce alive.
- 2
Spaceflight Simulator 2
Single-player alternative to UFO Craft — playable solo, no multiplayer required. Shares Indie and Simulation with UFO Craft.
Build rockets and fly them around the Solar System in this realistic aerospace sandbox. Attempt landings, build space stations, drive rovers, perform spacewalks, explore alien worlds, and get your crew home safe.
- 3
Project Longshot
Single-player alternative to UFO Craft — playable solo, no multiplayer required. Shares Indie and Simulation with UFO Craft.
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?
- 4
Voyager 2
Single-player alternative to UFO Craft — playable solo, no multiplayer required. Shares Indie and Simulation with UFO Craft.
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.
- 5
Launch Window
Single-player alternative to UFO Craft — playable solo, no multiplayer required. Shares Simulation with UFO Craft.
Launch Window is a single player physics-based automation game where you establish supply chains across an entire solar system using orbital mechanics.
- 6
ORBITAL
Single-player alternative to UFO Craft — playable solo, no multiplayer required. Shares Simulation with UFO Craft.
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.
- 7
9.8
Single-player alternative to UFO Craft — playable solo, no multiplayer required. Shares Indie and Simulation with UFO Craft.
A 2D space agency simulator where every object follows the same orbital physics. Land on moons, build colonies, deploy satellites, and reshape entire planetary systems. Deorbit a moon if you want.
- 8
RemoteSpace: First Settlement
Single-player alternative to UFO Craft — playable solo, no multiplayer required. Shares Simulation with UFO Craft.
A hard-sci-fi orbital settlement sim where you mine asteroids, build infrastructure, fight enemy, and operate inside a living solar system shaped by orbital mechanics, limited information, and long-distance logistics.