One Line: Letters and Codes

One Line: Letters and Codes

Climbing Goat Games · March 10, 2022 · Puzzle, Minimalist, Mouse Only, Abstract, Logic

Buy One Line: Letters and Codes from Fanatical at $0.44 — the cheapest of 3 stores we compare.

PC
Very Positive94% · 68
Best price 49 Good deal
$0.44-78%
$1.99lowest tracked $0.29
Fanatical Buy at Fanatical

Prices last checked

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Where to buy One Line: Letters and Codes — official stores

Fanatical
Standard Edition · Steam
-78%
$0.44
$1.99
Buy
Steam
Steam
Standard Edition · Steam
-60%
$0.79
$1.99
Buy
AllYouPlay
AllYouPlay
Standard Edition · Ubisoft Connect
$1.99
Buy

One Line: Letters and Codes price by region

One Line: Letters and Codes costs £0.38 in the United Kingdom, $0.44 in the United States, €0.44 in Europe (EUR), CA$0.58 in Canada, A$0.66 in Australia, $0.79 in Georgia (USD), NZ$1.19 in New Zealand, R$2.79 in Brazil and zł3.59 in Poland right now.

Cheapest One Line: Letters and Codes offer in each region, in local currency
RegionBest priceOfficial storeKey shopStores
United Kingdom £0.38 −78% £0.38 — 3
United Statesyour region $0.44 −78% $0.44 — 3
Europe (EUR) €0.44 −78% €0.44 — 3
Canada CA$0.58 −78% CA$0.58 — 3
Australia A$0.66 −78% A$0.66 — 3
Georgia (USD) $0.79 −60% $0.79 — 2
New Zealand NZ$1.19 −60% NZ$1.19 — 2
Brazil R$2.79 −60% R$2.79 — 2
Poland zł3.59 −60% zł3.59 — 2

Each row is a real price from that region's own stores, not a currency conversion, so the figures are not directly comparable. Switch regions in the header to shop the one you buy in.

Screenshots

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
  • 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.

One Line: Letters and Codes — game info

Platforms
Windows
Player modes
Single-player
Controller
Full controller support
PC Game Pass
Not included

What Steam players say

Recent verbatim reviews from Steam — separate from playze.io community reviews below.

Recommended Aug 7, 2026
Same drills as the prequel with an added mechanic of filling in the blankets of a love letter, with each missing piece being one completed puzzle - but the letter also serves as a hint system: hovering over an unfinished puzzle will display one possible solution for it, so you can match the boards and use that if you're stuck in a given puzzle.
Recommended Jul 8, 2026
Worth the weight...
Recommended Jun 10, 2026
“One Line: Letters and Codes” is a slightly more polished version of the original “One Line”. It has slightly different special fields than the original, and is also a bit shorter (30 levels instead of the original’s 40 levels). If you enjoyed “One Line”, then you’ll also enjoy “One Line: Letters and Codes”. The game’s gimmick is a letter whose words need to be unlocked by solving the levels. This mechanic doesn’t really add anything to the levels themselves, but it adds a nice overall touch to the game. Like with the original “One Line” I solved most of the levels by first taking a screenshot of the level and then scribbling over it in a drawing program, separating the parts of the level that are logically deducible from those that rely on guessing and intuition. Just like with the original, this made the game pretty doable.
Recommended Apr 5, 2026
Relatively simple and short line drawing puzzle game. It is fine for what it is. Score: 5/9
Not recommended Mar 18, 2026
[h3]Yeah this puzzle game spoils its own solutions[/h3] By saying this I mean not a ‘hint’ system, as the devs suggested…You will get the answers whether you want it or not. The game will lock every 10 puzzles until the player ‘decodes’ the letter with all the solutions got so far. The pieces in the letter don’t go by the order. You are bound to get spoiled. The achievements also contain a few of them pretty patterns, but the achievements are not hidden; they are visible in the library page without even opening the achievements folder. The game itself is good. The said issue is just too bad for a puzzle game.
Recommended Aug 19, 2025
Another 100% Another Review: Bought This game because i Was Looking at the Dev Page After 100%ing Mewsuem Masterpieces. I Thought this game Looked Unique and a New kinda Puzzle Game to try. Did NOT Expect To Somehow get invested in a Love letter Sideplot. Im not Even Joking, every time i would beat 10 levels and go Fill it out, I would Scheme On What the Missing Words Could Be. And then After i Beat Everything? I Aint Going to Say Anything, But....Please Finish All the Puzzles if you play This game. Anyways, Very Good Game, May have to Buy the Rest of New Dawn's games After this One!

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