Click "Install" to install the latest version of the game. (This warning box may or may not appear, depending on your security settings.) If you saw the warning box. Discover a dazzling world of fun in Treasure Hunt, a FREE online puzzle game that's full of Hidden Object action. Your eccentric, ex-pirate. These games have significant plot points that deal with hunting for treasure. Treasure in this instance is a physical non-living item one can hold and obtain.