In Urjo.com challenges, each line must have an equal number of red and blue spots; numbers indicate how many surrounding spots are the same color as the numbered spot; and two lines next to each other must be different.

Tap to color spots red or blue, and watch your logical thinking skills grow with each challenge you solve!

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Puzzle#1105
URJ9 days agoTime00:18Mistakes0
URJ9 days agoTime00:18Mistakes0
URJ3 days agoTime00:29Mistakes0
YouJust nowTime00:00 ⏸Mistakes0

Urjo.com is a challenge where you figure out which spots are red and which are blue.

Set up profile to track progress, set your flag and initials, hide the help text above the challenge, and to choose your preferred difficulty level.


Profile/urjo@urjo.com