70%Strong matchAkin
87%48287% positive reviews, Very Positive across 482 reviews·Puzzle · 2D
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Games Like One Line: Letters and Codes
94%Very Positive · 52
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.
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About One Line: Letters and Codes
You just received a love letter! But it's written with codes...
To read it you will need to solve the puzzles and get codes, which will serve to reveal the words of the letter. Each code is a word. Can you decipher what is written in the letter?
Use your mouse or arrow keys to draw the line. Fill the entire board and solve the puzzle.
Did something wrong? You can go back easily. Or just right click to delete the line wherever you want.
After solving the puzzle you will get a code.
Find the code on the letter and discover the secret word.
Features
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No tutorial. Straight to the game.
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Minimalist design. No score, timer or pressure. Solve the puzzle in your time and enjoy the game experience.
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40 unique levels, with progressive difficulty.
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Get a code at the end of each level to reveal a piece of the letter.
Steam data © 2026 Valve Corporation. Trademarks are property of their respective owners.
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