Aliens or extraterrestrials are creatures descended from the outer space, not originated from Earth.
Sub-species[]
Arthropodians[]
- Main article: Arthropodian
Cyliens[]
- Main article: Cylien
Energy beings[]
- Main article: Energy being
Grays[]
- Main article: Grey
Little green men[]
- Main article: Little green men
Martians[]
- Main article: Martian
Masterminds[]
- Main article: Mastermind
Nordics[]
- Main article: Nordic
Predators[]
- Main article: Predator
Reptilians[]
- Main article: Reptilian
Space monsters and Xenorians[]
- Main articles: Space Monsters (species) & Xenorian
Zeta Reticulans[]
- Main article: Zeta Reticulans
| Races | ||
| Terran | Beast • Human • Mutant • Undead (Ghost • Skeleton • Zombie) | |
| Aliens | Arthropodian • Cylien • Energy being • Grey • Little green men • Martian • Mastermind • Nordic • Predator • Reptilian • Space monster (Xenorian) • Zeta Reticulan | |
| Other | Anthropoid • Cryptid • Humanoid • Hybrid • Insectoid • Monster • Robot (Android • Cyborg) | |