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!

4
3
2
0
Puzzle#676
URJ10 hours agoTime00:14Mistakes0
URJ13 hours agoTime00:15Mistakes0
URJ1 day agoTime00:16Mistakes0
YouJust nowTime00:00 ⏸Mistakes0

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

Sign in to track progress, set your flag and initials, and hide the help text above the challenge.


urjo@urjo.com