Pirate Treasure Hidden Objects. Come along and help the pirate captain Angrybeard to find the pirate treasure hidden on the mysterious Cave island. Find a series of hidden objects in a scene! Seek only objects that are shown in the bottom of the screen – with every mistake you’ll lose some time. Pirate Treasure Hidden Objects Game can be played on all devices (desktop, mobile and tablet devices). Enjoy and have fun in playing this free online game. Good luck.