We have created memory games for adults on three levels of difficulty and you can increase the challenge step by step. There are six games in each level, and they challenge the brain by changing every time. There is no tim limit to beat the games, that depends on each player. Yes, that game. Our extensive collection of free online card games spans 10 classic solitaire titles, as well as several other best in class card games including 2 classic versions of Bridge, Classic Solitaire, Canfield Solitaire, and Blackjack, to name a few.