The KRACKO collection
Find your kind of curious.
Start with Classic Codebreak, explore a different puzzle, or invite friends to an online match. Each guide explains whether the game is solo, multiplayer or both.
Try Classic Codebreak ↗
Classic Codebreak
Crack a hidden number code. Start with untimed Practice, then try timed runs or challenge friends.
Codebreak Duel
Set a secret code and crack your opponent’s before they crack yours. Play an online 1v1.
Codebreak Party
Race your friends to solve the code in a free-for-all number puzzle.
Speed Run
Choose a 1, 3 or 5 minute run and crack as many number codes as you can. Play solo or compete online.
Lex Clash
Guess a shared word from letter feedback and beat your rivals. Choose a quick duel, best of three or party match.
Color Knockout
Read colour clues, find the hidden sequence and stay in the elimination rounds.
Infection
Hidden factions and uneasy alliances meet codebreaking. Play a private social deduction match with friends.
Crosstalk
Different minds, one shared cipher. Read exact and misplaced clues to work out the hidden digits.
Slingshot
Plan a curved route through numbered relay rings, then unlock a distant dock. Five physics puzzles with unlimited retries.
Axiom
Arrange stones, test your pattern, and discover the hidden rule from the evidence.
Doppler
Move two numbered tone sliders until your wave matches the target. Sound is optional.
Midnight Market
Read the clues behind curious lots, estimate their worth, and make careful buying or bidding decisions.
Signal Breach
Crack sector locks while managing your charge. Bank your haul or risk another breach.
Daily Vault
Three locks, one fresh daily challenge. Read the modifier and work through the vault.
More ways to play
The arcade also includes Classic Codebreak with Practice, Duel, Party and Speed Run, Lex Clash word battles, Color Knockout and Infection. Open the collection to choose a format.