Canyon Defense is a single player game by Miniclip. It was published on March 6, 2008. The game includes a 3 different maps to select, where enemy land vehicles move in a large canyon from one side to another. The player has to build cannons, in order to destroy the enemies before getting out of the screen. Also, enemy aircrafts fly from the top side of the screen to the buttom side, and special weapons can destroy them as well. When killing an enemy, the player earns more money, that can be used for buying more cannons. Different cannons can destroy different targets: aircrafts/ land vehicles, or both. Also, it is possible to build buildings, that give the player special abilities. The player starts with a small sum of money, and 2 cannons only. Buy building more cannons and buildings, an