Nice find. I loved Earthworm Jim when it was new.
Looks like you have everything needed for a complete checklist. Appears to have come from Game Players magazine in November 1994.
VERY slow trading due to health problems. Not transferrable so safe to trade with, just moving is painful and can't always access the cards.
Cardboard History My COMC
New Collection Website: Cardboard History Gallery (Still under construction)
Tips on how to make your scans look like the card does in hand (No more washed out, fuzzy scans!):