Gem Box is a Games & Entertainment::Puzzle & Word Games software developed by Big Fish Games. After our trial and test, the software was found to be official, secure and free. Here is the official description for Gem Box: Fill your jewelry box with precious stones as you play Gem Box, a unique online matching game. Search the board for 4 matching gems that form a square or rectangle. Click each gem and the rectangular area will clear and fill with new gems. The larger your box, the higher your score. You have 5 minutes to rack up as many points as you can when you play Gem Box online. you can download Gem Box free now.