rhythm music game based on heart beat monitor
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
I Know What You Did Last Summer: Game world is persistent between sessions and changes from one session affect game play on the following ones.
Backwards: One or more aspects of the game works the opposite as would normally be expected: maybe the controller is reversed (left is right, right is left), maybe you win lives every time you die, maybe it scrolls to the left and your character moonwalks.