The Saucer was equipped with weapons of destructive fun that were used to wreak havoc on the humans below. The Saucer's internal structure changed color when it changed weapons. (The Death Ray was the red colored code)
Lethal Weapons Edit
Death Ray: The primary weapon that was used throughout the series, it had formidable power even when it wasn't upgraded. It leveled buildings and incinerated enemies. Most or all Furon Saucers had this weapon at the very least. No ammo was required, but it needed time to cool down.
Sonic Boom: A very powerful shock wave generator which required ammo, was quite useful to level buildings faster, and required 1 or 2 shots to down a normal one. It was even more useful for large patrols below such as tanks, etc.
Quantum Deconstructor: The Saucer's most powerful weapon in the games, which in the past required ammo, but in the early 70's it recharged on its own and in the later 70's, charged manually for customized blasts. According to an in-game description, it was a thermonuclear cloud.
Anti Gravity Field: A great disabler. It fired a black energy ball that once it landed, it sucked in enemies and vehicles, and kept them in mid-air for a short period until the ball imploded and caused blunt force trauma.
Seeker Drones: Acted as homing missiles. When a target was locked, the Seeker Drones launched and destroyed the target with no questions asked. It was quite useful against flying enemies, changed the new Saucer's color to yellow, and glowed bright when it was in use.
Plasma Cannons: Was a dual pair of powerful plasma energy-firing auto cannons, which was useful on both ground/flying enemies and buildings. It changed the Saucer's color to purple, and glowed pink when it was in use.
Tornadotron: A formidable weapon in the series which generated a tornado, which you could steer, and could be activated even while the Saucer was cloaked (which made humans think that it was an act of God). The Saucer's color changed to a light blue and glowed white when it was in use. It leveled buildings and anything else that was in its way. It was so powerful, that it was the only weapon that could destroy an entire town/city in one shot.
Non-Lethal Weapons Edit
Abduction beam: Used to abduct humans for DNA gathering. In the past, it was used to pick up the needed individual humans one at a time. But in recent years, it acted as a vacuum to suck up large groups of humans, and also worked on vehicles. It was excessively useful for tossing tanks into the water and other similar uses.
Drain: Part of the Abduction Beam's function which was used in Destroy All Humans! 2. It repaired the Saucer from critical damage, reduced the victim to dust upon full completion, and only worked on vehicles.
Transmogrify: Another function which was first used in DAH! 2 to regain more ammo. It functioned in the same way as the above tech.
Cloak: Rendered the Saucer invisible for a short period of time. In recent years, it was upgraded to last longer.