Fonts lead the fun in this unique memory game. It's three challenges in one: match distinctive letters, pair typefaces, or spell out words with stylish letterboxes.

Get ready to rock your world with ‘Rock your Life,’ a virtual treasure trove of geological fun and facts. The card deck consists of 50 cards, with each card spotlighting a different stone’s story, from ancient lore to modern marvels. For instance, did you know that obsidian was a portal to the supernatural for the Maya? Or that ancient Greeks believed clear quartz to be solidified ice? Or that amber has been used as a medicine for over 12,000 years?

Whatever qualities of precious stones...