Treasure Adventure World

Track down these nine hidden gems using just a photo.

Ubisoft and Unsolved Hunts are partnering for Gold & Crystal — The Lost Treasure of Edward Kenway to tie-into the upcoming AC4 remake.

Later this summer, Assassin’s Creed Black Flag Resynced will give players a chance to revisit the age of pirates. But there's a real treasure worth $500,000 waiting for at least one lucky player, thanks to a new contest held by Ubisoft and Unsolved Hunts.Gold & Crystal - The Lost Treasure of Edward Kenway--which is named after Black Flag's lead character--has been designed to be "a unique and immersive pirate experience." The prize awaiting at the end of this journey is a chest that has a replica crystal skull from Black Flag, as well as gold coins that have been minted with the game's log

To celebrate Cool Sword Day, Polygon caught up with Adventure Time's Adam Muto to unpack the origins of the Grass Sword and its evolution into Fern.

Here's where you can find the treasure chest in this week's "Welcome to Japan" treasure hunt challenge in Forza Horizon 6.