PIXEL UP! › Brain Teasers › Code Cracker
Code Cracker
Guess the hidden four-colour code. Black pin: right colour, right place. White pin: right colour, wrong place. Three vaults.
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How to play
Tap colours to fill · tap a slot to clear · 1–7 colours · Backspace · Enter to test
Works with a keyboard on desktop and with taps or swipes on a phone.
About Code Cracker
Code Cracker is a free brain teasers game on PIXEL UP!, a comic + anime browser arcade of hand-built games. It runs right in this tab — nothing to install, no account needed. Your best score and play count are kept in your own browser.