Single-player games like One Line
Below are 11 single-player Steam games similar to One Line, 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 One Line page.
Ranked picks
- 1
One Line: Letters and Codes
Single-player alternative to One Line — playable solo, no multiplayer required. Shares Indie and Casual with One Line.
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
Square Logic
Single-player alternative to One Line — playable solo, no multiplayer required. Shares Indie and Casual with One Line.
Square Logic is a minimalist puzzle game about coloring the grid with squares and rectangles, respecting the number of each cell.
- 3
Math Hero - Minimalist Puzzle
Single-player alternative to One Line — playable solo, no multiplayer required. Shares Indie and Casual with One Line.
MATH HERO is a relaxing puzzle game with simple mechanics.Use simple addition and subtraction operations to reach the endpoint.
- 4
Knight Swap
Single-player alternative to One Line — playable solo, no multiplayer required. Shares Indie and Casual with One Line.
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?
- 5
Kombine
Single-player alternative to One Line — playable solo, no multiplayer required. Shares Indie and Casual with One Line.
Kombine is a minimalist puzzle game played on a grid. The goal is to remove all of the blocks that have borders by matching three or more of the same blocks together.
- 6
OxU
Single-player alternative to One Line — playable solo, no multiplayer required. Shares Indie and Casual with One Line.
Minimalistic 3d puzzle with portals, cubes and lasers.
- 7
Turn on the light
Single-player alternative to One Line — playable solo, no multiplayer required. Shares Indie and Casual with One Line.
Turn On The Light is a minimalist puzzle game.
- 8
TOK
Single-player alternative to One Line — playable solo, no multiplayer required. Shares Indie and Casual with One Line.
Tok is a game where you will have to solve a puzzle by connecting all dots with lines.
- 9
Mewseum: Masterpieces
Single-player alternative to One Line — playable solo, no multiplayer required. Shares Indie and Casual with One Line.
Mewseum: Masterpieces is a shikaku-style puzzle game where each solved grid reveals part of a great masterpiece. Solve hundreds of puzzles and discover unique paintings in the latest art exhibition of the feline world!
- 10
Delivery in Space
Single-player alternative to One Line — playable solo, no multiplayer required. Shares Indie and Casual with One Line.
In this puzzle game, your goal is to navigate to the planets using cards to move around the grid. Each card has a type and movement amount. Make your strategy to calculate the best route, crossing space obstacles and reach the planet successfully!
- 11
CatMelon - Suika Game
Single-player alternative to One Line — playable solo, no multiplayer required. Shares Indie and Casual with One Line.
Combine several adorable cats dressed as fruits inside their favorite playing space: the cardboard box! Match two identical cats to create an increasingly larger cat until you reach the CatMelon. Develop your best strategy to remain at the top of the ranking!