Use this sandbox:Rabbil.sandbox Starter island options: Grass adventure, Grass mingle, Deadly hills, Home island Rules: The rabbil nichelings can't attack anything. Especially rabbils. Only exeption to this rule is black rabbils You can invite wanderers, but they cannot bread with your rabbil nichelings Don't mutate non-rabbil genes to rabbil nichelings If your tribe already has a black rabbil, you can no longer bread the pairing that produced it