Double-click the "su-bake.exe" icon.
Click "CLOSE" on the starting screen. Or press "Esc" key on your keyboard.
F1 key to change the screen size.
F2 key to turn on/off BGM in the initial screen.
F5, F6, F7, and F9, F10, F11 keys to change background color (in detail).
Select the levels of numbers' (0, 1, 2) changing patterns.
Low: easy
High: difficult
Top: formidable
"Line Lv" means the number of the field's columns, which is 2, 3, or 4.
Select background music in the gaming session. You can take multiple pieces, one of which is chosen randomly every time.
Turn on/off sound effects.