One Line: Letters and Codes
Developed by Climbing Goat Games · Published by Climbing Goat Games
At a glance
Overview
A casual, indie game by Climbing Goat Games, published by Climbing Goat Games — single-player.
Steam’s own one-line description: “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.” — developer/publisher text via the Steam store page.
Reception & community
Review sentiment, ownership and peak-concurrent estimates via SteamSpy; tags are player-voted on Steam. Estimates change over time.
Features & modes
Derived from the gameplay modes and feature categories Steam lists for One Line: Letters and Codes.
| Feature | Supported |
|---|---|
| Single-player | Yes |
| Multiplayer | No |
| Co-op | No |
| Online co-op | No |
| PvP | No |
| Cross-platform multiplayer | No |
| Full controller support | Yes |
| Partial controller support | No |
| Steam Cloud saves | Yes |
| Steam Achievements | Yes |
System requirements (PC)
As published on the Steam store page. Requirements can change between updates.
Minimum
- OS *: Windows 7/8/10
- Processor: 2 Ghz Dual Core
- Memory: 4 GB RAM
- Graphics: Graphics card supporting DirectX 9.0c
- DirectX: Version 9.0c
- Storage: 300 MB available space
- Sound Card: Any
Supported languages (4)
One Line: Letters and Codes FAQ
Answered from the official Steam listing as of June 2026. Where something hasn't been announced, we say so rather than guess.
What kind of game is One Line: Letters and Codes?
Steam classifies One Line: Letters and Codes as a Casual, Indie game, developed by Climbing Goat Games. 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.
How much does One Line: Letters and Codes cost?
As of June 2026, Steam lists One Line: Letters and Codes at $1.99. Prices and regional pricing change — check the Steam page for the current figure.
Is One Line: Letters and Codes single-player or multiplayer?
Steam lists these modes for One Line: Letters and Codes: Single-player. It lists a single-player mode.
Is One Line: Letters and Codes on PlayStation, Xbox, or Switch?
Our data comes from the Steam (PC) store, which lists One Line: Letters and Codes for Windows. Console availability isn’t in our Steam-sourced data — check the official site or the console store.
Is One Line: Letters and Codes out yet?
Yes — Steam lists a release date of Mar 10, 2022.
What platforms is One Line: Letters and Codes on?
One Line: Letters and Codes is listed for Windows on the Steam (PC) store. Console availability isn't covered by Steam's PC store data — check the official channels.
Is One Line: Letters and Codes single-player or multiplayer?
Steam lists these modes: Single-player.
How much does One Line: Letters and Codes cost?
Steam lists it at $1.99.
Does One Line: Letters and Codes have achievements?
Yes — Steam lists 10 achievements for One Line: Letters and Codes.
Who made One Line: Letters and Codes?
One Line: Letters and Codes is developed by Climbing Goat Games and published by Climbing Goat Games.
Where to get One Line: Letters and Codes
We don't sell games or track prices — this links to the official Steam store page.
View on Steam →Listing details from Valve's public Steam store data. Not affiliated with Valve/Steam, Climbing Goat Games.