These are the 22 species enabled on Rook Island. Live tags show what people are playing now.
The mutations this server allows, with the effect value the game gives each in elder lives 1, 2 and 3.
| Mutation | Life 1 | Life 2 | Life 3 |
|---|---|---|---|
| Accelerated Prey Drive | 0.1 | 0.15 | 0.2 |
| Advanced Gestation | 0.5 | 0.75 | 1 |
| Augmented Tapetum | 1 | 2 | 3 |
| Barometric Sensitivity | 1 | 1 | 1 |
| Cannibalistic | 1 | 1 | 1 |
| Cellular Regeneration | 0.1 | 0.15 | 0.25 |
| Congenital Hypoalgesia | 0.15 | 0.2 | 0.25 |
| Efficient Digestion | 0.2 | 0.25 | 0.3 |
| Enhanced Digestion | 0.1 | 0.15 | 0.25 |
| Enlarged meniscus | 1 | 1 | 1 |
| Epidermal Fibrosis | 0.15 | 0.2 | 0.25 |
| Featherweight | 0.15 | 0.35 | 0.5 |
| Gastronomic Regeneration | 0.05 | 0.1 | 0.15 |
| Heightened Ghrelin | 0.25 | 0.5 | 0.75 |
| Hematophagy | 0.15 | 0.25 | 0.35 |
| Hemomania | 0.05 | 0.07 | 0.1 |
| Hydrodynamic | 0.15 | 0.2 | 0.25 |
| Hydroregenerative | 0.25 | 0.5 | 0.75 |
| Hypermetabolic Inanition | 0.15 | 0.2 | 0.25 |
| Hypervigilance | 0.5 | 0.6 | 0.7 |
| Increased Inspiratory Capacity | 0.15 | 0.2 | 0.25 |
| Infrasound Communication | 0.5 | 0.6 | 0.7 |
| Multichambered Lungs | 0.05 | 0.1 | 0.15 |
| NHJ-INF | 1 | 1 | 1 |
| NHJ-UND | 1 | 1 | 1 |
| Nocturnal | 0.05 | 0.07 | 0.1 |
| Osteophagic | 0.15 | 0.2 | 0.3 |
| Osteosclerosis | 0.2 | 0.25 | 0.3 |
| Parthenogenesis | 1 | 1 | 1 |
| Photosynthetic Regeneration | 0.1 | 0.15 | 0.2 |
| Photosynthetic Tissue | 0.05 | 0.07 | 0.1 |
| Prolific Reproduction | 0.1 | 0.15 | 0.2 |
| Reabsorption | 1 | 2 | 3 |
| Reinforced Tendons | 0.25 | 0.35 | 0.5 |
| Reniculate Kidneys | 1 | 1 | 1 |
| Sequential Hermaphroditism | 1 | 1 | 1 |
| Social Behavior | 1.5 | 2 | 3 |
| Submerged Optical Retention | 0.05 | 0.1 | 0.2 |
| Sustained Hydration | 0.2 | 0.25 | 0.3 |
| Tactile Endurance | 0.25 | 0.35 | 0.5 |
| Truculency | 0.05 | 0.1 | 0.15 |
| Wader | 0.25 | 0.5 | 0.75 |
| Xerocole Adaptation | 0.15 | 0.2 | 0.25 |