Rocket Launcher (8.761 available) The rocket launcher is a simple, cost-effective defensive option. Requirements: Metal: 2.000 Construction Time: 55s (max. 169) Light Laser (2.513 available) Concentrated firing at a target with photons can produce significantly greater damage than standard ballistic weapons. Requirements: Metal: 1.500 Crystal: 500 Construction Time: 55s (max. 226) Heavy Laser (426 available) The heavy laser is the logical development of the light laser. Requirements: Metal: 6.000 Crystal: 2.000 Construction Time: 3m 41s (max. 56) Gauss Cannon (322 available) The Gauss Cannon fires projectiles weighing tons at high speeds. Requirements: Metal: 20.000 Crystal: 15.000 Deuterium: 2.000 Construction Time: 16m 9s (max. 11) Ion Cannon (1.061 available) The Ion Cannon fires a continuous beam of accelerating ions, causing considerable damage to objects it strikes. Requirements: Metal: 2.000 Crystal: 6.000 Construction Time: 3m 41s (max. 28) Plasma Turret (91 available) Plasma Turrets release the energy of a solar flare and surpass even the destroyer in destructive effect. Requirements: Metal: 50.000 Crystal: 50.000 Deuterium: 30.000 Construction Time: 46m 9s (max. 3) Small Shield Dome (1 available) The small shield dome covers an entire planet with a field which can absorb a tremendous amount of energy. Requirements: Metal: 10.000 Crystal: 10.000 Construction Time: 9m 13s The shield dome can only be built once. Large Shield Dome (1 available) The development of the small shield dome can employ significantly more energy to withstand attacks. Requirements: Metal: 50.000 Crystal: 50.000 Construction Time: 46m 9s The shield dome can only be built once. Anti-Ballistic Missiles (30 available, max. 2) Anti-Ballistic Missiles destroy attacking interplanetary missiles Requirements: Metal: 8.000 Deuterium: 2.000 Construction Time: 3m 41s (max. 42) Interplanetary Missiles (9 available, max. 1) Interplanetary Missiles destroy enemy defenses. Requirements: Metal: 12.500 Crystal: 2.500 Deuterium: 10.000 Construction Time: 6m 55s (max. 9) Current production: Gauss Cannon 0:13:49 Outstanding Production 4 "Gauss Cannon" (in progress)2 "Ion Cannon"2 "Light Laser"56 "Rocket Launcher"7 "Battleship"1 "Battlecruiser"3 "Ion Cannon"1 "Light Laser"