Sega Smash Pack - Level select

Level select:
Press [Cursor Left] or [Cursor Right] at the menu with the "Start" and "'Options" selection. The number at the top right corner indicates the starting level.

Vectorman:
Press [Enter] to pause game play, then press D, A, [Left], [Left], A, D, A S. Vectorman will change into a square that can be moved into enemies to destroy them. Repeat the code to change back into Vectorman.