We all know the ESRB has rated numerous titles, so here is a handy dandy list of some that we know about:
A Boy and His Blob: Trouble on Blobolonia
Pro Wrestling.
Super Pitfall.
EarthBound.
Hagane: the Final Conflict.
Kirby's Dream Land 3.
Nobunaga's Ambition.
Pilotwings.
Super Pinball.
Tin Star.
Uncharted Waters: New Horizons.
Uniracers.
AeroFighters Assault.
Beetle Adventure Racing.
Clayfighter 63 1/3.
Enduro Racer.
Sonic the Hedgehog 2. (released in NA)
Wonder Boy in Monster Land.
Crackdown. (released in Europe)
Earthworm Jim 2.
ESWAT: City Under Siege. (released in Europe)
Mercs.
M.U.S.H.A.
Pengo.
Phantasy Star IV. (released in Europe)
Sonic & Knuckles.
Super Street Fighter 2: The New Challengers.
Fatal Fury Special.
World Heroes 2.
So, comments on these varying titles? Also, I'm pretty sure TGX doesn't have any on the horizon at the moment.