Dorimaga GD Vol. 1

Dorimaga GD Vol. 1 (ドリマガＧＤ Vol. 1) isn’t a full game, it is a Japanese Sega Dreamcast demo disc distributed with Dreamcast Magazine issue #1999-07-23. Disk of the same content has been distributed only in postage by NEC Home Electronics.
Playable Demos – Sengoku Turb, Seventh Cross F.I.D. / Video Demos – Industrial Spy: Operation Espionage