Note! This review was written for a previous version of this file!
This is the best Tic-Tac-Toe game I have played on my calculator. This program has great AI that is also possible to beat. The only issue I have with this program is the order or code that checks for someone winning. The AI makes its move immediately after you, and it seems the victory is checked only at that point. I have won quite a few games against the AI by making the second-to-last move, but the AI makes another move that allows it to win. The win should have gone to me, but instead goes to the AI. I recommend changing the victory-checking code to execute after each player move instead of after the AI move.
Gameplay - 9/10 (Need to fix victory-checking code)
Fun - 9/10 (Most wins were mine)
Replay value - 10/10
Graphics - 10/10
Overall - 9/10
