Single-player games like Starpoint Gemini 2
Below are 13 single-player Steam games similar to Starpoint Gemini 2, 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 Starpoint Gemini 2 page.
Ranked picks
- 1

Evochron Mercenary
Single-player alternative to Starpoint Gemini 2 — playable solo, no multiplayer required. Shares Action and Simulation with Starpoint Gemini 2.
The life of an independent mercenary is rarely without excitement. Your spacecraft awaits and your adventure begins in the Sapphire star system.
- 2

sfsim
Single-player alternative to Starpoint Gemini 2 — playable solo, no multiplayer required. Shares Simulation with Starpoint Gemini 2.
sfsim is a realistic 3D space flight simulator.Use an advanced single-stage-to-orbit space craft to take off, orbit the planet, perform reentry, and land back on Earth.sfsim features a true to scale Earth planet using NOAA elevation data and procedurally generated volumetric clouds.
- 3

Starminer
Single-player alternative to Starpoint Gemini 2 — playable solo, no multiplayer required. Shares Action and Simulation with Starpoint Gemini 2.
Design and build a massive interstellar fleet in this simulation sandbox. Strip space of its minerals for profit, but stay alert: your greed attracts the alien. Master deep base-building and deploy warships to protect your empire in immersive real-time space.
- 4

The Mystery Of The Moon
Single-player alternative to Starpoint Gemini 2 — playable solo, no multiplayer required. Shares Action and Simulation with Starpoint Gemini 2.
The game of survival and construction on the surface of the moon. Learn to build a base on the surface of the moon, maintain survival, explore and discover the secrets inside the moon, and solve abnormal problems.
- 5

Ostranauts
Single-player alternative to Starpoint Gemini 2 — playable solo, no multiplayer required. Shares Simulation and RPG with Starpoint Gemini 2.
Navigate your scrappy ship through the boneyard in search of valuable parts in abandoned vessels. Use salvage to upgrade your ship, or sell it for cash to pay down your mounting debt, or restock fuel, air, or food. Fly and role-play aboard your dream spaceship in this hardcore noir space-sim.
- 6

Rank: Warmaster
Single-player alternative to Starpoint Gemini 2 — playable solo, no multiplayer required. Shares Action and Simulation with Starpoint Gemini 2.
Stranded on Mars with next to nothing, build a city, assemble a fleet, and expand your empire to survive a hostile solar system in this new take that combines elements of space combat and RTS inspired by the classics.
- 7

X3: Terran Conflict
Single-player alternative to Starpoint Gemini 2 — playable solo, no multiplayer required. Shares Action and Simulation with Starpoint Gemini 2.
It is the year 2938. The long wished-for encounter of the X Universe and the Earth holds both joy and sorrow for the people. Despite flourishing trade, the clash of the diverse races, cultures and life forms creates new tensions, mistrust and open conflict that need to be overcome!
- 8

Stellar Trader
Single-player alternative to Starpoint Gemini 2 — playable solo, no multiplayer required. Shares Simulation and RPG with Starpoint Gemini 2.
See the galaxy through the eyes of a trader. Hundreds of years after humanity took to the stars, you're free to buy, fight, explore, and build your way to power. Shape economies, form alliances, and influence the systems that control trade, tech, and politics.
- 9

Rebel Galaxy
Single-player alternative to Starpoint Gemini 2 — playable solo, no multiplayer required. Shares Action and Simulation with Starpoint Gemini 2.
Rebel Galaxy is a swashbuckling space adventure, with action-packed combat, exploration, discovery, trade, and “negotiation” with the outlandish denizens at the edge of the known universe.
- 10

Starpoint Gemini Warlords
Single-player alternative to Starpoint Gemini 2 — playable solo, no multiplayer required. Shares Action and Simulation with Starpoint Gemini 2.
Strategy from the front lines! Starpoint Gemini Warlords combines 3rd person capital spaceship combat with 4X strategy and RPG gameplay elements. Build mighty war fleets and send them into battle or lead them into combat yourself. Become the Warlord and conquer the Gemini system!
- 11

Privateers
Single-player alternative to Starpoint Gemini 2 — playable solo, no multiplayer required. Shares Action and RPG with Starpoint Gemini 2.
Privateers is a roguelite set in a fantasy nautical world. Players are set free into an archipelago where they can become a heroic navy captain or an evil pirate overlord depending on the choices that they make.
- 12

Starpoint Gemini 3
Single-player alternative to Starpoint Gemini 2 — playable solo, no multiplayer required. Shares Action and Simulation with Starpoint Gemini 2.
Fight, loot, explore and craft in the living open world of Starpoint Gemini 3. Assemble your trusty ship and boost your RPG skills to face all challenges.
- 13

Starpoint Gemini
Single-player alternative to Starpoint Gemini 2 — playable solo, no multiplayer required. Shares Simulation and RPG with Starpoint Gemini 2.
Gemini is a dangerous place with riches waiting to be claimed by the more daring and capable captain.