Red Walkthrough Bart Bonte Puzzle For Cool Math Games

Another puzzle from Bart Bonte on the Cool Math Games. After playing the Yellow games appears the Red game. The games are similar, but on the other hand each game has its own unique puzzles. The goal of each of the 25 levels is to make the whole field red. Each puzzle has its own logic and the most interesting to understand what it is. his is a web version of the game, there is still an expanded game for mobile devices, in which 50 levels.
I missed level 22 , it is here now: