AT THE CASUAL DESK
Secret Spectrum
Find a secret four-color spectrum.
Code breaking
One clear challenge.
Cycle the four guess pegs through six colors and Submit. Gold markers count the correct color in the correct position; teal markers count a correct color in another position. Solve within eight guesses.
No Play Credits or stakes. Your best and completed challenges are saved on this device when storage is available.
Before you play
The goal and next move appear above the field. Direction, action and settings buttons sit below the field. Start when you are ready; Pause stops time and movement. Restart creates a fresh attempt. Preview begins automatically and does not save a result.
UN-POP is for UK adults aged 18+. Read Player Care, Terms and Privacy before creating an account.