Renju Stone Master

GOMOKU · Free online board & card game

How to play

1. Tap any empty intersection to place a black stone.
2. Build an unbroken line in any direction.
3. Watch the owl's stones — block its 'open three' before it grows.
4. Create two open lines at once so it cannot defend both.

Why it's fun

• Big gridded board with classic black-and-white stones
• Threat-aware owl AI that builds and blocks open lines
• Configurable board size and line length
• Pure strategy — no luck, every move counts

Play now — free!

No download · No sign-up