Find all the hidden objects, numbers, letters, outlines and differences in the Castle in Castle Mysteries Game. Collect coins for extra points and click on an object when you’ve found it. Castle Mysteries Game is one of many web based games on RoundGames for you to play online without downloading. This game is one of the Hidden Object Games at RoundGames. It also tagged as a search and skill game. To play even more free online games, view our popular and all games pages. If you want to play more like Castle Mysteries. Then you can simply check out the games inside the game tags that are the most relevant to your interests. Or check the Hidden Object Games category or check the related games section at the end of the game page.