Take to the skies in level after level of exciting airplane combat, buying upgrades and even whole new planes as you go! Trapped behind enemy lines, you become the heroic Cloud Soldier after a daring escape in a vintage WWI airplane. Take to the skies in level after level of exciting airplane combat, buying upgrades and even whole new planes as you go! *You must at least pass the first level to enjoy all the game's features. (then you will be able to save, upgrade and buy stuff) Arrow keys - Move plane A - Shoot ESC - Escape levels (available after 1st mission) Q - Toggle Quality (if the game runs slow) ...