Go and fight with Joe and let the peace return in the air! Shoot at all the balloons, zeppelins and other enemy vehicles to prevent them from reaching your fortress in the air. You can play this game in the Campaign and Survival mode. This last one is a lot harder!
You mainly have to use the arrow keys to move around.
1-4 = select a weapon,
Esc = skip conversation,
Spacebar = next replies.