Explore jungles, find artifacts, and discover the Lost Ruins of Arnak! Players lead rival expeditions to a newly discovered island. Through a unique combination of worker placement and deckbuilding, each expedition attempts to uncover the lost islands secrets. In addition to traditional deckbuilder effects, cards can also be used to place workers. Decks are small, and randomness is heavily mitigated by the wealth of tactical decisions offered on the game board. Building a solid resource base will be essential. With a variety of worker actions, artifacts, and equipment cards, the setup for each game will be unique, encouraging players to explore new strategies to meet the challenge.