Single-player games like OxU
Below are 17 single-player Steam games similar to OxU, 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 OxU page.
Ranked picks
- 1

One Line: Letters and Codes
Single-player alternative to OxU — playable solo, no multiplayer required. Shares Indie and Casual with OxU.
You have just received a coded love letter! In this minimalist puzzle, you will have to draw a single line to fill the entire board. At each level solved, get a code to reveal a piece of the letter. Gather the codes, read the letter and discover the message.
- 2

One Line
Single-player alternative to OxU — playable solo, no multiplayer required. Shares Indie and Casual with OxU.
One Line is a minimalist puzzle game where the objective is to draw a single line filling the entire board. Different mechanics will challenge your mind in this game that is easy to learn but hard to solve. Can you find the correct path?
- 3

Knight Swap
Single-player alternative to OxU — playable solo, no multiplayer required. Shares Indie and Casual with OxU.
One chess piece, the mighty knight. One simple concept: exchange the knights from one colored square to another. One hundred hand-crafted levels in a beautiful minimalist set. Can you swap the knights?
- 4

Higgs Boson: Timed Puzzle
Single-player alternative to OxU — playable solo, no multiplayer required. Shares Casual with OxU.
Higgs Boson: Timed Puzzle is a minimalist and challenging puzzle game where the player must rotate pieces considering the time limit to assemble a particle accelerator.
- 5

Higgs Boson: Challenging Puzzle
Single-player alternative to OxU — playable solo, no multiplayer required. Shares Casual with OxU.
Higgs Boson: Challenging Puzzle is a minimalist and challenging puzzle game where the player must rotate pieces considering the move limit to assemble a particle accelerator.
- 6

Arko
Single-player alternative to OxU — playable solo, no multiplayer required. Shares Indie and Casual with OxU.
Relax with this minimalist puzzle game.
- 7

Nullum
Single-player alternative to OxU — playable solo, no multiplayer required. Shares Indie and Casual with OxU.
Nullum is a minimalist puzzle game. The goal is to eliminate all tiles by creating matching numbers.
- 8

CANNON
Single-player alternative to OxU — playable solo, no multiplayer required. Shares Casual with OxU.
CANNON is a minimalist puzzle game made with cannons that shoot balls to destroy cubes. Activate the cannons in the right order to destroy all number cubes in the scene.
- 9

Zup!
Single-player alternative to OxU — playable solo, no multiplayer required. Shares Indie and Casual with OxU.
Minimal physical puzzle with explosions
- 10

Portal
Single-player alternative to OxU — playable solo, no multiplayer required.
Portal™ is a new single player game from Valve. Set in the mysterious Aperture Science Laboratories, Portal has been called one of the most innovative new games on the horizon and will offer gamers hours of unique gameplay.
- 11

Zup! S
Single-player alternative to OxU — playable solo, no multiplayer required. Shares Indie and Casual with OxU.
Minimal physical puzzle with explosions
- 12

Zup! F
Single-player alternative to OxU — playable solo, no multiplayer required. Shares Indie and Casual with OxU.
Minimal physical puzzle with explosions
- 13

Zup! 2
Single-player alternative to OxU — playable solo, no multiplayer required. Shares Indie and Casual with OxU.
Minimal physical puzzle with explosions
- 14

Zup! X
Single-player alternative to OxU — playable solo, no multiplayer required. Shares Indie and Casual with OxU.
Minimal physical puzzle with explosions
- 15

Zup! 3
Single-player alternative to OxU — playable solo, no multiplayer required. Shares Indie and Casual with OxU.
Minimal physical puzzle with explosions
- 16

Zup! 8
Single-player alternative to OxU — playable solo, no multiplayer required. Shares Indie and Casual with OxU.
Minimal physical puzzle with explosions
- 17

Zup! Z
Single-player alternative to OxU — playable solo, no multiplayer required. Shares Indie and Casual with OxU.
Minimal physical puzzle with explosions