Puzzle (10000 programs)
Pros: Variety of questions. Time limit for each question. Play more than one game at the same time. Play with a random opponent or a friend from Facebook.
Cons: You can't talk to opponents. Only one level of questions.
Pros: Variety of questions. Time limit for each question. Play more than one game at the same time. Play with a random opponent or a friend from Facebook.
Cons: You can't talk to opponents. Only one level of questions.