Connect Four

Drop a disc and line up four before the computer does. It thinks for a moment before each reply, and on Hard it sees a long way ahead.

Level

First move

Tap a column to drop a disc. The left and right arrow keys pick a column and the down arrow or Enter drops it; 1 to 7 drop straight in. U takes a move back, N starts again, F is fullscreen. A tap or a key hurries the computer along.