Run is a video game on Cool Math Games. The goal of the game is to make it through all 50 levels. To complete a level, the player must run to the finish line and dodge of jump over holes. There are 4 walls, all of which you can run on. As the player progresses though levels, the color will change. In the early levels, it is blue, then green, orange, and red. There are 2 sequels to run: Run 2 and Run 3.