The MIB Weapons and Aliens have 5 Types: Galactic (Yellow), Solar (Red), Terran (Green), Lunar (Blue), and Cosmic (Purple). Each Type has a +50% damage advantage over another Type.
- Galactic has advantage over Solar
- Solar has advantage over Terran
- Terran has advantage over Lunar
- Lunar has advantage over Cosmic
- Cosmic has advantage over Galactic
For example, if you wield a Galactic Weapon and encounter a Solar Alien, your Weapon will do +50% damage against that Alien.