One Line: Letters and Codes
Why this verdict
Offers
Official store prices and labeled keyshop comparisons
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Packs and bundles (2)
Multi-item packages that include this game
- Climbing Goat Games Collection From $8.35
- One Line Puzzles From $3.18
About this game
What this game is, in the developer's words
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.
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
No tutorial. Straight to the game.
Minimalist design. No score, timer or pressure. Solve the puzzle in your time and enjoy the game experience.
40 unique levels, with progressive difficulty.
Get a code at the end of each level to reveal a piece of the letter.
Media
Trailers and screenshots straight from the store page
Latest news
Recent updates from the game's own feeds
Price history
Accepted price history and recorded lows
One Line: Letters and Codes price history and current deals
One Line: Letters and Codes for PC currently sells from $1.99 at authorized stores. Its all-time low is $1.99, set on 2026-07-09.
Frequently asked questions
Answered from this game's own price and edition data
Which stores list One Line: Letters and Codes?