Connect Four

Drop four in a row before your opponent does.

YOU0
ROUND1
CPU0
🔴 YOUR TURN

How to Play

Players take turns dropping discs into seven columns. The first player to connect four horizontally, vertically, or diagonally wins.

  • Vs Computer supports Easy, Medium, and Hard AI.
  • Player vs Player lets two players share the same device.
  • New Round keeps the match score; Reset Match clears it.
EasyMostly random legal moves.
MediumWins, blocks threats, and prefers the center.
HardUses minimax with alpha-beta pruning and positional evaluation.