Studio Wildcard today launched the fantasy-themed Crystal Isles - ARK Expansion Map for ARK: Survival Evolved as a free download for PlayStation4 and Xbox One survivors. Crystal Isles is an expansive 150 square kilometers of vivid scenery and awe-inspiring biomes; build your base on the lush rainforest canopies, explore the mysterious floating islands, and then dive deep into undersea caverns in search of rare resources.