Another world exclusive guys ;D I was up all night figuring these out.
Passwords Firstly, you need to activate the password screen. To do this, wait at the title screen until the 'By Software Creations Ltd' screen appears then press Up, Down, Left, Right. This can be done at the title screen but the graphics will appear garbled.
57481235 - Day/Level 1 32054573 - Day/Level 2 29643724 - Day/Level 3 12715632 - Day/Level 4 58328765 - Day/Level 5 46875973 - Set difficulty to Easy 63442196 - Set difficulty to OK 92347232 - Set difficulty to Hard 81212337 - Set difficulty to Very Hard 56378152 - Music Test