Sports Games

Well, I have bad news for you about a significant fraction of the Genesis' library...

Some other decent Genesis/Megadrive titles I can think of off the top of my head: Gunstar Heroes, Vectorman, Megaman: The Wily Wars, Zero Wing (for the memes), Aladdin (which was a completely different and vastly superior game to its SNES coutnerpart), Blaster Master 2, Contra: Hard Corps, Ecco the Dolphin and its sequels, Jurassic Park, and probably loads of others I'm forgetting.

The Saturn is notable for having Radiant Silvergun locked to it, in Japan only no less, and I don't think that title was ported or rereleased at all until the XBox 360 version. It's the precursor to Ikaruga, which is itself on the Dreamcast.

If you're into shmups, the Dreamcast is kind of a holy grail. It also has the first two Shenmue games on it.

Alas basically everything on the Sega CD is crap with few exceptions. I will probably surprise my readership by mentioning that I think Sonic CD is not one of them, as its easily the weakest of the classic Sonic titles. It has some cult favorites that are so bad they're good, though, infamously including Night Trap, Time Gal, Corpse Killer, Sewer Shark, etc. For games on it that don't suck, don't forget that the first two Lunar games originated there, there's Popful Mail, Keio Flying Squadron, Snatcher, etc.

The 32X is an interesting novelty but I'm not certain there's a single compelling title in the entire library. Which, admittedly, is only something like 30 games.