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A16Classic Board GamesAI / Two Players

Connect Four

Drop pieces into columns and use gravity to connect four first.

Complete AI Multi-Game Board
GAME SELECTION · A16
Video guideWATCH
Objective01

Connect four pieces horizontally, vertically, or diagonally in the 11-column by 7-row area.

Controls02
  1. 01

    Use Left/Right to choose a column

  2. 02

    Press Confirm to drop

  3. 03

    Touch any column to drop directly

  4. 04

    Use Back to undo

Levels03
LEVEL 1

Level 1: Easy AI

LEVEL 2

Level 2: Detects wins and blocks

LEVEL 3

Level 3: Deeper search; computer moves first

How it ends

The first four-in-a-row wins. A full board without four is a draw.

Tip

Center columns create more connections; also watch for double threats.