Single-player games like Deep Space Treasure
Below are 8 single-player Steam games similar to Deep Space Treasure, 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 Deep Space Treasure page.
Ranked picks
- 1
Star Boss
Single-player alternative to Deep Space Treasure — playable solo, no multiplayer required. Shares Simulation and Casual with Deep Space Treasure.
Make robots and spaceships,explore the space,fight with aliens.
- 2
Space Recall
Single-player alternative to Deep Space Treasure — playable solo, no multiplayer required. Shares Strategy and Adventure with Deep Space Treasure.
"Space Recall" is a side-scrolling game with action Roguelike structure, skill and equipment combination as innovation points, and economic operation as the driving force. players can build character skills according to the situation, and at the same time with special abilities
- 3
Belt Colony
Single-player alternative to Deep Space Treasure — playable solo, no multiplayer required. Shares Strategy and Adventure with Deep Space Treasure.
The year is 2040. You, an ex-sergeant, have signed a contract with a large mining corporation in the Belt. Mine ore, build out your outpost, travel to nearby asteroids and collaborate with other belters.
- 4
Cosmic Robots
Single-player alternative to Deep Space Treasure — playable solo, no multiplayer required. Shares Strategy and Simulation with Deep Space Treasure.
Defend your planet from waves of robot invaders! Build powerful turrets, upgrade your defenses, and command robot units to fight drones, tanks, and massive bosses. Then send your own forces to attack the enemy planet in this action-packed sci-fi tower defense game.
- 5
Asteroid Colony
Single-player alternative to Deep Space Treasure — playable solo, no multiplayer required. Shares Strategy and Simulation with Deep Space Treasure.
In this real time strategy city builder game you will help humanity in reaching beyond earth by establishing a permanent and thriving settlement in the asteroid belt. Settling in space comes with enormous challenges and dangers, which you will have to guide your people through
- 6
Rebel Galaxy Outlaw
Single-player alternative to Deep Space Treasure — playable solo, no multiplayer required. Shares Adventure and Simulation with Deep Space Treasure.
Out of cash, out of luck, out on the fringe. Juno Markev has a killer to tail, a debt to pay, and more trouble headed her way. Rebel Galaxy Outlaw takes place in a greasy, blue-collar world of outlaws, truckers, cops and thieves.
- 7
IFO
Single-player alternative to Deep Space Treasure — playable solo, no multiplayer required. Shares Strategy and Simulation with Deep Space Treasure.
A spaceship simulator for aliens, an ever-changing rule discovery puzzle for humans.
- 8
Stacks:Space!
Single-player alternative to Deep Space Treasure — playable solo, no multiplayer required. Shares Simulation and Casual with Deep Space Treasure.
Stacks:Space is a space-themed base builder card game with rogue-like elements. Buy booster packs to get new cards, discover craft recipes by stacking cards together, create structures, manufacture drones and droids, defend your base from enemies, visit distant planets, and more!