A fan made Nintendo DS port of the game was made by Arthur Guibert before he joined Nitrome, the port known as Magic Touch (Nintendo DS). The Nitrome version of the game was made a distributable game, and was one of the twelve games made available when the distributional games page was launched on August 25th, 2011.
Knights - Knights will descend from the sky with a balloon tied to them, and they must be prevented from reaching the ground.
Balloons - Each knight is attached to a balloon of a certain colour with a shape on it. The balloons act like parachutes to guide the knight down to the ground. When the balloons are popped, the knight crashes.
When drawing a V or ^, the game will sometimes think that the the player is drawing an O.