CLUES & DEDUCTION

Codebreaker
think it through.

Work out a hidden sequence of digits by reading feedback after each guess.

How to play

  1. Enter a guess using the available digits.
  2. Read which digits are correct and whether they sit in the right positions.
  3. Use each clue to narrow the possibilities before the round ends.

Example

A clue that one digit is right but misplaced tells you to keep the digit and move it to another position.

Difficulty and progression

The app offers different clue styles and increases the puzzle challenge as you advance.

Play in Prism

The full game is part of the Prism Android app. Website play is separate: browser practice does not add XP, levels, streaks, or saved progress to the app.

Explore Prism on Google Play