| Species | |
|---|---|
| Humanoids | Protagonists (1st protagonist • 2nd protagonist) • Subspecies (Genesis humanoids • Polis humanoids) |
| Crater creatures | |
| Homunculi | Homunculi (L-size) • Homunculi (M-size) • Homunculi (S-size) |
| Mechanical beings | Cyborgs • Droids (Fertilizer droids • Gas droids) • Surgeon |
| Other inhabitants | Apparatus • Armed shells • Consciousness • Moldman survivor • Parasite • Tower beast |