Unique among the entries I've tried so far, both stylistically and in that it's the only one so far that actually kicked my vid card fans up to an audible speed :)
I had fun during my time as a mad professor blasting and slashing my way through wacky enemies collecting ammo and health steaks.
"Keep an energy gun and katana close..." lol solid advice.
I liked the Treasure Room menu option too.
Nice job!