A 16-bit game on the 3DO that definitely didn't help incentivize more people to want to buy the notoriously expensive console. At least this version has all the levels this time around, unlike its other console ports.
Level Select#
At the title screen, press Up, Down, Up, Down, Left, Up, Down, Up, Down, Right. A voice will say, "Hey, that's the cheat mode!" to confirm correct entry. Now, press B to open the options menu, which contains the level select.