Single-player games like Space Bob vs. The Replicons
Below are 15 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

Eden Crafters
Single-player alternative to Space Bob vs. The Replicons — playable solo, no multiplayer required. Shares Indie and Adventure with Space Bob vs. The Replicons.
Eden Crafters is a solo or co-op open-world survival, crafting, and factory-building game where you transform a hostile planet into a habitable haven for humanity. Build, automate, and terraform. Control the climate, create a breathable atmosphere, and turn toxic lakes into water: shape a new world!
- 2

Windforge
Single-player alternative to Space Bob vs. The Replicons — playable solo, no multiplayer required. Shares Action and Indie with Space Bob vs. The Replicons.
WindForge is a side-scrolling block-building game where you explore hostile skies in an ever-changing Steampunk world. Everything you see can be created or destroyed, creating an RPG without barriers that rewards creative problem solving and improvisation.
- 3

EVERSPACE™ 2
Single-player alternative to Space Bob vs. The Replicons — playable solo, no multiplayer required. Shares Action and Adventure with Space Bob vs. The Replicons.
EVERSPACE 2 is a fast-paced single-player spaceship shooter with exploration in space and on planets, tons of loot, RPG elements, mining, and crafting. Experience an exciting sci-fi story set in a vivid, handcrafted open world full of secrets, puzzles, and perils.
- 4

Dig or Die
Single-player alternative to Space Bob vs. The Replicons — playable solo, no multiplayer required. Shares Action and Indie with Space Bob vs. The Replicons.
Crash land on a hostile planet where you'll have to build the strongest defenses if you wish to live to escape from it. But be warned... this planet is merciless. Build strong, and smart; else physics may flood or destroy your only hopes of survival.
- 5

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.
- 6

Starbound
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’ve fled your home, only to find yourself lost in space with a damaged ship. Your only option is to beam down to the planet below, repair your ship and set off to explore the universe...
- 7

Keplerth
Single-player alternative to Space Bob vs. The Replicons — playable solo, no multiplayer required. Shares Indie and Adventure with Space Bob vs. The Replicons.
Welcome to Keplerth! Try to survive on a hostile alien planet in this 2D sandbox RPG, where you can choose to live alone or fight side by side with your friends in the online multiplayer mode. Survive, build, farm, fight, and explore your way to victory in this open-world adventure!
- 8

Signs of Life
Single-player alternative to Space Bob vs. The Replicons — playable solo, no multiplayer required. Shares Action and Indie with Space Bob vs. The Replicons.
Signs of Life is a sci-fi survival sandbox platformer with a combination of procedurally generated and hand-crafted content. You'll explore mysterious locations, Mine blocks for resources, and meet strange (and some familiar) creatures, some of which don't even want to kill you and eat your corpse.
- 9

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.
- 10

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!
- 11

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.
- 12

Lunar Lander Beyond
Single-player alternative to Space Bob vs. The Replicons — playable solo, no multiplayer required. Shares Action and Adventure with Space Bob vs. The Replicons.
Guide a roster of colorful pilots, eclectic advisors and state-of-the-art landers through a taxing series of missions. Deliver cargo, retrieve resources, and rescue stranded pilots as you navigate a mysterious universe of moons and planets.
- 13

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.
- 14

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.
- 15

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.