Put four signs in a row (horizontal, vertical or diagonal) to win.

- Put your sign on the control panel grid.
- Move the control panel around by dragging it by its toolbar with left mouse button.
- Minimize the control panel by left-clicking its toolbar's minimization icon.
- Rotate the 3D grid around by dragging with the left mouse button.
- Move the 3D grid around my dragging with the right mouse button.