Cipheur

Free cryptogram puzzles where letter patterns reveal hidden quotes

Error 300 · Published by Error 300, Gamersky Games · Released Mar 12, 2025

Reviews: Very Positive; 83% of 146
Recent reviews: Not enough recent
Players: 1; daily peak, Oct 28, 2026
Steam Deck: Untested
Last update on Steam: 8 months ago; Feb 12, 2026
Minimum PC: DX10; Full requirements

What is Cipheur?

Cipheur is a single-player word puzzle game with 100 quote-based levels. You decipher messages by working out letters and words, with three difficulty settings and a hint system. Extra message packs cover topics such as proverbs and unusual words.

For you if...

+you enjoy working out words from partial letter clues
+you prefer solo puzzles with a minimalist presentation

Not for you if...

−you expect varied cipher systems beyond simple letter substitution

What players say

83% of 146 reviews are positive

Players praise the relaxed atmosphere. Complaints focus on clunky controls and quotes that some players find unfunny or objectionable.

Screenshots and trailer

Cipheur system requirements

Minimum: DX10.

As published by the developer.

Can my PC run Cipheur?

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Minimum

OS: Windows 7 (SP1+) and Windows 10
Processor: x86, x64 architecture with SSE2 instruction set support
Graphics: DX10, DX11, DX12 capable

Does Cipheur have co-op or multiplayer?

No: single-player only, no multiplayer modes declared.

Single-player

Does Cipheur run on Steam Deck?

Untested Not yet tested by Valve on Steam Deck.

PC version details

DRM: None declared on Steam
Controller: Keyboard and mouse
Platforms: Windows, macOS, Linux
Achievements: 15
Steam features: Family Sharing
Languages: Text only: English, Japanese, Korean, Russian, Simplified Chinese, Traditional Chinese.

Does Cipheur use AI-generated content?

No AI-generated content is disclosed on the game's Steam page.

Self-reported by the developer under Steam rules: it covers AI content that ships in the game, not tools used to make it. Steam page checked on Oct 27, 2026. How to filter AI games on Steam