Even though I don't own a Jag, but I have some of my fav games from other systems had been ported over to Jaguar, a few I want to see are:
Puyo Puyo
Kirby Super Star
The Simpsons: Bart's Nightmare
Pac-Attack
Pac-in-Time
Bomberman' 94
Bonk's Adventure
Parasol Stars: The Story of Bubble Bobble III
Fantasy Zone
Shinobi
Sonic the Hedgehog
Monster Lair
How about yours...