When you move diagonally, your hitbox moves faster across the grid than moving orthogonally. You also present a smaller "corner" of your hitbox to an enemy swinging horizontally.
That is the real hack. Go dominate the plank. Have your own "better hack" for Yohoho.io? Share your movement exploits and psychological tricks in the comments below—just keep it clean and cheat-free. yohohoio hacks better
Bind your movement to diagonals (W+D, W+A, S+D, S+A). The game’s hitbox detection is square, not circular. When you move diagonally, your hitbox moves faster