Controls
Use arrow keys or the on-screen directional buttons. The snake grows after eating food.
Snake arcade strategy — Guide
Guidance for Snake Game. Practical instructions, limitations, and accuracy tips.
This article explains the use and limitations of the interactive tool. No signup is required. Output can be approximate and should not substitute for authoritative sources when the stakes are high.
Collision
A move into a wall or occupied part of the tail ends the round. The edge of the board is not a portal.
Scoring
Try to keep a clear route around your growing tail instead of chasing every dot immediately.