Another Spider-Man game on the Genesis.
Level Select#
Enter password SCBCRS and then start the game for a level select with a build date, or GNMN79 to add infinite lives.
(Source: GameFAQs)
Development Text#
Text looking like development tool versions appears at 0x2586:
68000 MARSGEN4.01
Z80 MARSZ804.01 MARS was the codename of the Sega 32X, perhaps hinting a possible conversion that never materialised.