Some websites that offer online playable Uno games are Play-Uno.com, AGame.com and Memory-Improvement-Tips.com. Play-Uno allows anonymous and registered users to play together, and also has the option for computer controlled players. If registered there is a leader board that keeps track of scores from around the world.
A Game has both single player and social games. Categories include 2-player, action, multiplayer, physics, sports and adventure games. It also has quizzes, tower defense, concentration, board, card and racing games.
Memory Improvement Tips has memory and brain games. It offers tips on improving memory and study skills, articles on meditation, and information about supplements and their relation to memory. It offers information on exercise and diet, attention disorders and memory research.