: Check the Zoo 2: Animal Park Wiki for active promo codes that grant free diamonds.
: Skipping rewarded video ads while still receiving rewards. Risks of Using Modded APKs zoo-2-animal-park-1-85-4-apk-mod-full
Searching for typically refers to altered versions of the game intended to provide features like "unlimited money" or "unlimited diamonds". : Check the Zoo 2: Animal Park Wiki