Single-player games like Space Bob vs. The Replicons
Below are 14 single-player Steam games similar to Space Bob vs. The Replicons, 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 Space Bob vs. The Replicons page.
Ranked picks
- 1
The Riftbreaker
Single-player alternative to Space Bob vs. The Replicons — playable solo, no multiplayer required. Shares Action and Indie with Space Bob vs. The Replicons.
The Riftbreaker is a solo or Co-op base-building, survival game with Action-RPG elements for up to 4 players. Hack & slash countless hordes of enemies. Build up your base, craft powerful weapons and research new inventions to survive.
- 2
Prospector
Single-player alternative to Space Bob vs. The Replicons — playable solo, no multiplayer required. Shares Indie and Adventure with Space Bob vs. The Replicons.
Land on a distant planet in this chill resource management game. Harvest alien resources, build and automate machinery, uncover secrets across the stars and strike shipping deals with distant colonies for exclusive rewards!
- 3
Enshrouded
Single-player alternative to Space Bob vs. The Replicons — playable solo, no multiplayer required. Shares Action and Indie with Space Bob vs. The Replicons.
You are Flameborn, last ember of hope of a dying race. Awaken, survive the terror of a corrupting fog, and reclaim the lost beauty of your kingdom. Venture into a vast world, vanquish punishing bosses, build grand halls and forge your path in this co-op survival action RPG for up to 16 players.
- 4
The Planet Crafter
Single-player alternative to Space Bob vs. The Replicons — playable solo, no multiplayer required. Shares Adventure with Space Bob vs. The Replicons.
A space survival open world terraforming crafting game, designed for 1 to 10 players. Alter the ecosystem of an inhospitable planet to render it habitable for humanity. Survive, gather resources, and build your base. Then, generate oxygen, warmth, and pressure to create a brand new biosphere.
- 5
Machine Mind
Single-player alternative to Space Bob vs. The Replicons — playable solo, no multiplayer required. Shares Action and Indie with Space Bob vs. The Replicons.
Machine Mind is an action game in a post-apocalyptic setting with elements of survival and RTS. You will fight, craft modules, build your transport, develop and protect your base. You can control other vehicles to automate operations. Discover all the secrets of the destroyed world!
- 6
Remains
Single-player alternative to Space Bob vs. The Replicons — playable solo, no multiplayer required. Shares Action and Indie with Space Bob vs. The Replicons.
Remains - survival in outer space orbiting the planet. Explore the area. Find a way to restore oxygen. Create tools for your needs. Beware of the dangers of outer space. Build your shelter in orbit and try not to die!
- 7
Hold Your Own
Single-player alternative to Space Bob vs. The Replicons — playable solo, no multiplayer required. Shares Action and Indie with Space Bob vs. The Replicons.
A single player open world sandbox, crafting and survival FPS game set in a multi-island land where you'll fight to survive. Build your base, hunt and craft to defend yourself from aggressive wildlife, enemies or friends. Do you have what it takes to Hold Your Own?
- 8
Osiris: New Dawn
Single-player alternative to Space Bob vs. The Replicons — playable solo, no multiplayer required. Shares Action and Indie with Space Bob vs. The Replicons.
Osiris: New Dawn is an unforgiving near future space survival game with a cinematic feel and elements of horror. Play as a Mission Specialist in single or multiplayer to build your planetary base, pilotable vehicles, and controllable drones as you explore a dangerous solar system far from Earth.
- 9
Capsized
Single-player alternative to Space Bob vs. The Replicons — playable solo, no multiplayer required. Shares Action and Indie with Space Bob vs. The Replicons.
Capsized is a fast paced 2D platformer focused on intense action and exploration. As a intrepid space traveler, your ship has crash landed on a mysterious alien planet. You must navigate through the perilous environment and fight off blood-thirsty creatures to save your crewmates and escape with your lives!
- 10
Cosmochoria
Single-player alternative to Space Bob vs. The Replicons — playable solo, no multiplayer required. Shares Action and Indie with Space Bob vs. The Replicons.
A tiny, naked cosmonaut with a jetpack & laser blaster must revive a dying galaxy by planting one seed at a time. An innovative and addictive arcade adventure experience with mystery and intrigue in all the right places.
- 11
Retrobooster
Single-player alternative to Space Bob vs. The Replicons — playable solo, no multiplayer required. Shares Action and Indie with Space Bob vs. The Replicons.
A reinvention of the cave-flyer for players who love games of skill. You control an extremely responsive ship, which opens up new possibilities for speed flying challenges, puzzles, and bullet hell scenarios. This game is set at 1980s difficulty--Survive it if you can.
- 12
Lunar Lander Redux
Single-player alternative to Space Bob vs. The Replicons — playable solo, no multiplayer required. Shares Action and Indie with Space Bob vs. The Replicons.
Explore a rough space landscape in a fragile capsule. Good for an hour of fun or frustration depending on skill. Physics mostly accurate.
- 13
NeonXSZ
Single-player alternative to Space Bob vs. The Replicons — playable solo, no multiplayer required. Shares Action and Indie with Space Bob vs. The Replicons.
Prepare to destroy, loot, and pilot remarkably agile cyber gunships in an open world where every opponent has unique intelligence and skill. Combine hundreds of upgrades with action RPG loot and leveling for a gaming experience quite unlike anything you have played before.
- 14
Stack Masters
Single-player alternative to Space Bob vs. The Replicons — playable solo, no multiplayer required. Shares Indie and Casual with Space Bob vs. The Replicons.
Do you enjoy playing around with the physics in games? Then this is the game for you. Stack Masters is built around exploring that concept in a competitive way. Including a built in level editor and Steam Workshop support, the game offers a never ending supply of physics sandbox gameplay to explore.