"Decipher" on GitHub 

Overview

“Decipher” is a puzzle game where sentences are hidden behind a simple cipher. Your goal is to decipher the sentence in the shortest time possible.

At the easy level, sentences are encrypted using the Caesar cipher. At the medium and hard levels, sentences are encrypted using the Affine cipher.

Each sentence is based on a common proverb.

Controls

Use the arrow keys to move between letters.

You can click  to open the alphabet, which will help you.

You can also click  to pause the game.

You can click   in the "Pause" menu to get a hint.

You can set a time record on each difficulty level, which will be displayed in the "About" menu.