Jenga is a good simple game, fun to play with the family, or with drunk friends. It's as casual as it gets, but a bit of fun every now and then. 6 Luck Strategy Casual Intense Complex Simple
Carcassonne is a fantastic game for a smallish group. Fairly easy to learn, but very difficult to master. Many expansions available for further gameplay additions. 10 Luck Strategy Casual Intense Complex Simple