Single-player games like Starcom: Unknown Space
Below are 15 single-player Steam games similar to Starcom: Unknown Space, 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 Starcom: Unknown Space page.
Ranked picks
- 1
Starcom: Nexus
Single-player alternative to Starcom: Unknown Space — playable solo, no multiplayer required. Shares Action and Indie with Starcom: Unknown Space.
Suddenly thrown into an unknown galaxy, you must explore, fight or befriend aliens and transform your ship from a small survey vessel into a powerful battlecruiser to unravel the mystery of the forces that brought you here and find your way home.
- 2
Synvector
Single-player alternative to Starcom: Unknown Space — playable solo, no multiplayer required. Shares Action and Indie with Starcom: Unknown Space.
Real-time sci-fi action RPG with tactical pause. Command your mercenary fleet, coordinate squadrons through a command interface, and switch between squadron commanders. Four races, one spiral arm, one unstoppable swarm. Nothing personal. Just contract.
- 3
Solar Sails: Space Pirates
Single-player alternative to Starcom: Unknown Space — playable solo, no multiplayer required. Shares Action and Indie with Starcom: Unknown Space.
Solar Sails is a space action RPG with steampunk ships and cosmic ducks. Control a pirate ship, plunder the royal navy, launch a scout duck to search for treasures, upgrade your ship with alien technologies, and sail onwards to unveil the darkest secrets of the universe.
- 4
When the Stars Threw Down Their Spears
Single-player alternative to Starcom: Unknown Space — playable solo, no multiplayer required. Shares Action and Indie with Starcom: Unknown Space.
When the Stars Threw Down Their Spears is a story-rich, retro space shooter inspired by DOS-era space games. Blast your way through fast-paced arcade combat, build out modular, upgradable ships, and explore a galaxy torn by war.
- 5
Offworlders: Galactic Ventures
Single-player alternative to Starcom: Unknown Space — playable solo, no multiplayer required. Shares Action and Indie with Starcom: Unknown Space.
Top-down space trading and combat on a working frontier. Run cargo, hunt salvage, fight pirates, and build a corporation that survives twenty cycles of pressure from the Cryos Foundation, the Frontier Allegiance, and the Sable Syndicate.
- 6
N.E.O.N. HORIZON
Single-player alternative to Starcom: Unknown Space — playable solo, no multiplayer required. Shares Action and Indie with Starcom: Unknown Space.
Survive 100 perilous waves in a sci-fi roguelite shooter where every decision transforms your ship. Upgrade its systems, discover powerful relics, create unique synergies, and uncover the mystery awaiting you at Horizon.
- 7
Silent Sector
Single-player alternative to Starcom: Unknown Space — playable solo, no multiplayer required. Shares Action and Indie with Starcom: Unknown Space.
Oldschool action open-world sci-fi with a unique storyline, frenetic battles, crude humor, loose morals and cows.
- 8
Starfield Battlegrounds
Single-player alternative to Starcom: Unknown Space — playable solo, no multiplayer required. Shares Action and Indie with Starcom: Unknown Space.
On the occasion of the invasion of alien races, in order to defend our homeland on Earth, you will play the role of one of humanity's ace pilots, piloting aircraft provided by various countries, galloping in the universe, and fighting against alien fleets.
- 9
Star Valor
Single-player alternative to Starcom: Unknown Space — playable solo, no multiplayer required. Shares Action and Indie with Starcom: Unknown Space.
Choose your own destiny as you explore an open-world procedurally generated galaxy where anything is possible. Become a miner, a trader, a bounty hunter, a pirate, or perhaps a jack of all trades. Start off small and build your way to the top but remember with every action, comes consequences.
- 10
Star Control III
Single-player alternative to Starcom: Unknown Space — playable solo, no multiplayer required. Shares Action and Indie with Starcom: Unknown Space.
The universe is on the brink of destruction. It’s up to you to embark on an epic adventure of strategy and diplomacy to save thousands of worlds from total annihilation. But no pressure, right?
- 11
Starlight
Single-player alternative to Starcom: Unknown Space — playable solo, no multiplayer required. Shares Indie with Starcom: Unknown Space.
This is a simple casual game.You only need to do is clicking the right stars.
- 12
Star Control I and II
Single-player alternative to Starcom: Unknown Space — playable solo, no multiplayer required. Shares Action and Indie with Starcom: Unknown Space.
Explore a vast universe with pulse-pounding action, side-splitting humor, and hair-raising plot twists in these 2 classic space adventure games.
- 13
Sid Meier's Pirates!
Single-player alternative to Starcom: Unknown Space — playable solo, no multiplayer required. Shares RPG with Starcom: Unknown Space.
Sail the Caribbean, marauding all on the high seas or ally your ship and crew as a privateer in search of riches - the life you choose is up to you. Face dogged enemies, raid unsuspecting villages, woo fair maidens, avoid capture or dig for buried treasure. Discover what it takes to become one of the most famous pirates in history!
- 14
Mass Effect (2007)
Single-player alternative to Starcom: Unknown Space — playable solo, no multiplayer required. Shares Action and RPG with Starcom: Unknown Space.
As Commander Shepard, you lead an elite squad on a heroic, action-packed adventure throughout the galaxy.
- 15
Stellaris
Single-player alternative to Starcom: Unknown Space — playable solo, no multiplayer required.
Explore a galaxy full of wonders in this sci-fi grand strategy game from Paradox Development Studios. Interact with diverse alien races, discover strange new worlds with unexpected events and expand the reach of your empire. Each new adventure holds almost limitless possibilities.