Devil Crash/crush is a great pinbal game with really great music.
Kyukyoto Tiger - helicopter shmup by Taito
Legend of Hero Tomna - great platform arcade
Ninja Spirit - another great arcade conversion
Takahashi Meijin no shin Boken jima - this is basically Hudsons wonderboy clone and its hard game!
bikkuriman world - another wonderboy clone and one of the early pc engine releases.
Dragon Spirit
Dragon Saber - sequel to dragon spirit
Magical Chase - if you can afford this one its cute shmup with a witch made by quest. Supposedly ex-square staff's first game before they went on to make the Ogre battle games.
Parodius da!
Detana Twin Bee?!
Gradius
Salamander - aka life force and this is one of the hardest shmups you will ever play!
Raiden
Aero blasters
Mr Heli no daibouken
Hana Tahka daka!? - aka super long nose goblin shmup by taito
Bomberman
Bomberman 93'
Bomberman 94
There's probably a lot more to list but im gonna pop back onto Fable 2 XD
EDIT oh please if you like god sim games get Populous its a great conversion by Hudson soft and menus are in english
