Single-player games like Cubuild
Below are 8 single-player Steam games similar to Cubuild, 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 Cubuild page.
Ranked picks
- 1

Reaction
Single-player alternative to Cubuild — playable solo, no multiplayer required. Shares Indie with Cubuild.
Fly your ship though a derelict space station in this action/puzzle 2D platformer as you avoid hazards, repair your ship back to working condition and uncover the mysteries within. What awaits inside and can you get out again?
- 2

Switcheroo
Single-player alternative to Cubuild — playable solo, no multiplayer required. Shares Indie with Cubuild.
A kangaroo named Jade escapes from an evil mad scientist who's obsessed with color! Along the way, she'll hop past vibrant obstacles, kick pesky robots out of the way, and use her new color-switching powers to solve the lab's mysterious puzzles.
- 3

OS95 Plus!
Single-player alternative to Cubuild — playable solo, no multiplayer required. Shares Indie with Cubuild.
OS95 Plus! is the newest first person puzzle adventure game from Gev Creates. You're stuck in a mysterious facility and are forced to indefinitely partake in software testing. You must navigate rooms and solve puzzles to escape and uncover the truth behind the experiment.
- 4

Gravity Whipped
Single-player alternative to Cubuild — playable solo, no multiplayer required. Shares Indie with Cubuild.
Use the incredible power of the Gravity Whip to alter the direction of gravity and whip your way through the mysterious Maze of Dreams in this exciting 2.5D Puzzle Platformer. Jump over spike pits and collect coins and gems to upgrade your character and unlock secret levels. How far will you go?
- 5

Cosmic Anchor
Single-player alternative to Cubuild — playable solo, no multiplayer required.
Cosmic Anchor is a post-apocalyptic puzzle game about bending the laws of gravity, black holes and causality to your will. Exploit the emergent nature of the universe, and escape the intricate test-chambers together.
- 6

F Of X
Single-player alternative to Cubuild — playable solo, no multiplayer required. Shares Indie with Cubuild.
Embark on a journey through a digital world of functions, solving mathematical puzzles to move platforms and conquer platforming challenges. Test your logic to transcend as the Master of Functions.
- 7

Self Simulated
Single-player alternative to Cubuild — playable solo, no multiplayer required. Shares Indie with Cubuild.
Self Simulated is a fast-paced precision platformer about a robotic copy of yourself, waking up with no memory of a severe accident. Dash, dodge, and double jump through 100+ handcrafted levels, reboot instantly on every fail, and uncover the truth behind your past.
- 8

Ratcore: The Rat-Former
Single-player alternative to Cubuild — playable solo, no multiplayer required. Shares Indie with Cubuild.
You don't know where you are or what your purpose is, but all you know is you want to escape. In this linear, puzzle-filled precision platformer, you must dive whiskers first into many unknown territories. There are many strange yet satisfying mechanics to keep the gameplay unique and fun.