Yes. This IS a supplement for The Sponge Monkeys from Outer Space.
The Sponge Monkeys had their day in the sun. *sniff*
This supplement focuses on their arch-nemesi (we hope that's the plural form of nemesis) - the ninja kitties. More than that, Fun Pack #1 contains rules for generating your own ninja kitty character.
This includes MORE weapons, MORE gadgets, MORE gear, and, yes... [click here for more]