Gem Invasion, Don't be distracted by the rows of sparkling jewels! They're coming for you. Swap adjacent pieces to make chains of three or more identical gems. Link many chains of identical sparkling jewels -- move fast or lose this precious game!. Play Monkey Gems online, a free game from AARP, and save the mischief- making monkey, BenBen. Throw gems to help him fend off the reptiles one by one!.