What is your favorite Sega Game either by Sega or on a Sega system?

Vectorman was so dope! I loved all the Sonic games as well, particularly the Sonice 3/Sonic & Knuckles combination (and what a unique concept for its time).
I was a big fan of the Echo the Dolphin series, too.

Boogerman was one of my favorite games on the Sega. Also, the Ghostbusters! its cute how their like midgets in the game.

Vintage Sonic the Hedgehog. the first one. It was quite revolutionary in its time of side scrollers. It gave Mario a run for his money as we all know, and really sparked Sega Vs Nintendo. (I'm sure that can be a topic of its own as well).

But there was this one game, i absolutely loved and been trying to figure out its name for YEARS!

It was a vertical side scroller like R-type. It was Arcade-esque where you had a vehicle (car, boat, plane). There was of course power-ups for various weapons. But what stood out to me at that young age, there was power-ups to change your vehicle. Changing the vehicle either ment (i think) going to a different portion of the Stage or going completely to another stage.

Each vehicle (i think) had its own weapon system and power ups. I think there was even a motorcyle as well.

All i do know it was on the Master system of Sega, which i think it was the old 8 bit sega before genesis. other than that i cant remember too much about the game.

Oh, man, I don't think I can choose! I loved SA2B, and all of the Sonic games, I loved Phantasy Star Online: 1/2, I loved 'em all!