Sega Ages 2500 Vol. 21: SDI & Quartet - Sega System 16 Collection
As the name suggests, this game is a compilation which includes the Sega System 16 and Sega Master System (both Japan and worldwide) versions of SDI: Strategic Defense Initiative and Quartet. In the case of SDI, this marks the first time the game has been brought to the home with the correct dual-joystick control scheme.
Media and links
This role tier cannot view media links.
This role tier cannot view guides.
This role tier cannot view media links.
Your private resources
This role tier cannot view private resources.
Release catalog
Each row here is an imported IGDB release-date record. One platform can legitimately have several dated entries for regional launches, re-releases, storefront variants, or later ports, which is why you can see the same platform repeated with different dates.
Soundtrack player
This role tier cannot use the soundtrack player.