Prototype/Unreleased shmups.

[sengoku 2]

Arcade

"Kyuukouka Bakugekitai" by Konami

"Side Effect" (The game was like an opposite version of Konami's Gyruss?) by Taito

"Charon (or Karon)" (I vaguely remember that it was vertical shmup) by Sega

"Soar Knight" (prototype hori-shmup on NeoGeo) by an unknown company

Video of Kyuukouka Bakugekitai at AOU 89, it begins at 8 minutes :

http://nicoviewer.net/sm319137


But, i advise you to watch all this video because you will recognize many games. ( Tonma, prehistoric isles in 1930 etc...)

[Despatche]

CRYMSON BLADE, a cool little demo level circa 2001. no longer exists on the internet so here you go.

deep blue isn't really a bad game