Game Description & Manual: Take control of a huge space vessel, buy upgrades to resist enemy attack. The enemy will try to criple you by launching an all-out attack, protect your vessel by all means necessary. There's a huge amount of weapons and upgrades available to turn your ship into an undefeatable war machine. Mouse - Fire the main cannon. A, D / Arrow Keys - Scroll the view. C - Center. Spacebar - Upgrade Menu.