Hardcore Gaming 101 - Phozon
Every company has their oddballs and one-offs that get eclipsed by their bigger franchises. Urban Champion is more or less forgotten by Nintendo (likely for the better), Capcom will make no sequels to The Speed Rumbler, and where's Axelay 2, Konami?! Whether they deserved sequels or not, some games just peter out into obscurity.
Phozon / Gigas / Heavy Metal / SWAT