Single-player games like One Line: Letters and Codes
Below are 11 single-player Steam games similar to One Line: Letters and Codes, 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: Letters and Codes page.
Ranked picks
- 1
One Line
Single-player alternative to One Line: Letters and Codes — playable solo, no multiplayer required. Shares Indie and Casual with One Line: Letters and Codes.
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?
- 2
Square Logic
Single-player alternative to One Line: Letters and Codes — playable solo, no multiplayer required. Shares Indie and Casual with One Line: Letters and Codes.
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: Letters and Codes — playable solo, no multiplayer required. Shares Indie and Casual with One Line: Letters and Codes.
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: Letters and Codes — playable solo, no multiplayer required. Shares Indie and Casual with One Line: Letters and Codes.
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
OxU
Single-player alternative to One Line: Letters and Codes — playable solo, no multiplayer required. Shares Indie and Casual with One Line: Letters and Codes.
Minimalistic 3d puzzle with portals, cubes and lasers.
- 6
Turn on the light
Single-player alternative to One Line: Letters and Codes — playable solo, no multiplayer required. Shares Indie and Casual with One Line: Letters and Codes.
Turn On The Light is a minimalist puzzle game.
- 7
Kombine
Single-player alternative to One Line: Letters and Codes — playable solo, no multiplayer required. Shares Indie and Casual with One Line: Letters and Codes.
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.
- 8
The Answer Is 42
Single-player alternative to One Line: Letters and Codes — playable solo, no multiplayer required. Shares Indie and Casual with One Line: Letters and Codes.
The answer to life, the universe, and everything. Connect the numbers. Fill the board. You will find out.
- 9
Mewseum: Masterpieces
Single-player alternative to One Line: Letters and Codes — playable solo, no multiplayer required. Shares Indie and Casual with One Line: Letters and Codes.
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: Letters and Codes — playable solo, no multiplayer required. Shares Indie and Casual with One Line: Letters and Codes.
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: Letters and Codes — playable solo, no multiplayer required. Shares Indie and Casual with One Line: Letters and Codes.
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!