Single-player games like Infinite Space III: Sea of Stars
Below are 16 single-player Steam games similar to Infinite Space III: Sea of Stars, 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 Infinite Space III: Sea of Stars page.
Ranked picks
- 1
Weird Worlds: Return to Infinite Space
Single-player alternative to Infinite Space III: Sea of Stars — playable solo, no multiplayer required. Shares Indie and Adventure with Infinite Space III: Sea of Stars.
Weird Worlds: Return to Infinite Space is a hybrid roguelike game of space exploration, adventure and starship combat.
- 2
Heat Signature
Single-player alternative to Infinite Space III: Sea of Stars — playable solo, no multiplayer required. Shares Indie and Adventure with Infinite Space III: Sea of Stars.
Heat Signature is a game from the developers of Gunpoint where you break into spaceships, make terrible mistakes, and think of clever ways out of them. You take a mission, fly to the target ship, sneak inside, and make clever use of your gadgets to distract, ambush and take out the crew.
- 3
CRYPTARK
Single-player alternative to Infinite Space III: Sea of Stars — playable solo, no multiplayer required. Shares Indie and Adventure with Infinite Space III: Sea of Stars.
Cryptark is a 2D sci-fi shooter where you take on the role of a heavily armed privateer seeking to earn government contracts by boarding deadly alien space-hulks. It's up to you to strategize a plan of attack, pick an equipment loadout, and destroy the central core to be victorious.
- 4
Into the Stars
Single-player alternative to Infinite Space III: Sea of Stars — playable solo, no multiplayer required. Shares Indie and Adventure with Infinite Space III: Sea of Stars.
Take the role of Captain in this Space Survival Simulation as you explore a massive star system in search of a new home for humanity. Outfit your ship, hand pick your crew and set off on a journey through an open-world where you must scavenge resources, shelter civilians and outrun a hostile alien force.
- 5
Out There: Oceans of Time
Single-player alternative to Infinite Space III: Sea of Stars — playable solo, no multiplayer required. Shares Indie and Adventure with Infinite Space III: Sea of Stars.
Out There: Oceans of Time is a space exploration game that puts you at the helm of an interstellar mission of discovery spanning a vast and vibrant cosmos.
- 6
Out There: Ω Edition
Single-player alternative to Infinite Space III: Sea of Stars — playable solo, no multiplayer required. Shares Indie and Adventure with Infinite Space III: Sea of Stars.
Out There is an award-winning space exploration game blending roguelike, resource management and interactive fiction.
- 7
The Long Journey Home
Single-player alternative to Infinite Space III: Sea of Stars — playable solo, no multiplayer required. Shares Indie with Infinite Space III: Sea of Stars.
The Long Journey Home combines an open world full of galaxies, planets and anomalies with quests and mechanics of a rogue-like RPG. One destination. Endless adventures. Where will this journey take you?
- 8
Far Beyond: A space odyssey VR
Single-player alternative to Infinite Space III: Sea of Stars — playable solo, no multiplayer required. Shares Indie and Adventure with Infinite Space III: Sea of Stars.
Far Beyond: A space odyssey VR is the first hardcore Rogue-like in Virtual Reality with a Sci-fi atmosphere and AAA graphics. It features a hard but rich gameplay focused on resources management, craft and strategy.
- 9
Rogue
Single-player alternative to Infinite Space III: Sea of Stars — playable solo, no multiplayer required. Shares Adventure with Infinite Space III: Sea of Stars.
Experience the commercial port of the game that spawned a thousand 'Rogue-likes'. Venture into the Dungeons of Doom in search of the legendary Amulet of Yendor, and hopefully escape with your life! Randomly generated dungeons await you, full of nasty monsters, insidious traps, and glittering loot.
- 10
The Binding of Isaac
Single-player alternative to Infinite Space III: Sea of Stars — playable solo, no multiplayer required. Shares Indie and Adventure with Infinite Space III: Sea of Stars.
Now 20% More Evil with the Free Halloween update!
- 11
Worlds
Single-player alternative to Infinite Space III: Sea of Stars — playable solo, no multiplayer required. Shares Indie and Adventure with Infinite Space III: Sea of Stars.
You're Reyk, a highly trained interdimensional Agent. Pack yourself with deadly weapons and equipment, then journey through the portal to strange parallel worlds! Assassinate your targets, sneak in enemy bases and investigate on mysterious anomalies to uncover the odd link between these worlds...
- 12
Star Control I and II
Single-player alternative to Infinite Space III: Sea of Stars — playable solo, no multiplayer required. Shares Indie and Adventure with Infinite Space III: Sea of Stars.
Explore a vast universe with pulse-pounding action, side-splitting humor, and hair-raising plot twists in these 2 classic space adventure games.
- 13
Star Control III
Single-player alternative to Infinite Space III: Sea of Stars — playable solo, no multiplayer required. Shares Indie and Adventure with Infinite Space III: Sea of Stars.
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?
- 14
BRAINPIPE: A Plunge to Unhumanity
Single-player alternative to Infinite Space III: Sea of Stars — playable solo, no multiplayer required. Shares Indie with Infinite Space III: Sea of Stars.
Brainpipe is a first person game of spatial navigation and quick reflexes. Supported by hypnotic graphics, ear tickling sound effects and immersive dreamscape music, the game's free floating, forward moving intensity gradually increases from serene to frenetic as you play.
- 15
Data Jammers: FastForward
Single-player alternative to Infinite Space III: Sea of Stars — playable solo, no multiplayer required. Shares Indie with Infinite Space III: Sea of Stars.
You are a Data Jammer, an elite virtual commando tasked with one purpose: Infiltrate the virtual Vaults of Ouroboros, the Military Industrial Complex, and take down The System!
- 16
Protagon VR
Single-player alternative to Infinite Space III: Sea of Stars — playable solo, no multiplayer required. Shares Indie with Infinite Space III: Sea of Stars.
Protagon is a hybrid casual game that blends concepts from mini-golf and pinball with an intuitive VR interface. Just pull the handle on the ball, aim and release to launch it into the zero-gravity course!