Color theory Category:Online Puzzles Games Description: Manipulate the power of colors and achieve color awesomeness in this fun retro puzzler based on additive color theory! Collect a primary color to make blocks of that color disappear. Collect a secondary color to make the blocks of the primary colors that make up that secondary color disappear. This game is online. Tags: Developer:colombo Instructions: Check inside the game for instructions on how to play Color theory.