The body's cells will die without oxygen! Create paths from the red blood cells to oxygenated the body! Don't let too many cells die!
Stay Inside The Box: The whole game takes place in just one screen, no scrolling or changing screens in any way is allowed.
True Colors: The game uses only the basic 16 colors: black, gray, silver, white, maroon, red, olive, yellow, green, lime, teal, aqua, navy, blue, purple and fuchsia. See color chart
May the (Web) Force Be with You: The game runs in a browser with no plugin.