If youre playing net players and you see Internet Player North America, and it immediately says "Good game" or "Good move" then its a bot. That wouldnt be so bad, but the bots are stupid. Speaking of which, the computer is too easy in 1-player mode. Connect 4 is a "solved" game, and the computer should be able to make it very, very challenging, which it doesnt. It should at least be as hard to beat as Riot99 (Hello!). I give it 4 stars anyway. Smarter netbots and 1-player mode would make it a 5.