Prototypes by system/Sega CD

Amazing Spider-Man vs The Kingpin (Jun 2, 1993 prototype)

Batman Returns (Apr 23, 1993 prototype)

Battlecorps (Feb 11, 1994 prototype)

Battletech: Gray Death Legion (Jan 5, 1995 prototype)

Black Hole Assault (Oct 1, 1992 prototype)

Bloodshot (Mar 9, 1995 prototype)

Bug Blasters: The Exterminators (Jan 23, 1995 prototype)

Burning Fists: Force Striker (Dec 7, 1993 prototype)

Cadillacs & Dinosaurs: The Second Cataclysm (Nov 8, 1994 prototype)

Citizen X (Jan 8, 1993 prototype)

Cobra Command (Oct 10, 1992 prototype)

Colors of Modern Rock (Feb 22, 1993 prototype)

Ecco: The Tides of Time (prerelease)

Fatal Fury Special (Jan 13, 1995 prototype)

Final Fight CD (Apr 23, 1993 prototype)

Johnny Mnemonic (Mar 13, 1995 prototype)

Jurassic Park (Aug 3, 1993 protoype)

Loadstar: The Legend of Tully Bodine (Oct 13, 1994 prototype)

Loadstar: The Legend of Tully Bodine (Sep 14, 1994 prototype)

Make My Video: INXS (Dec 15, 1992 prototype)

Make My Video: INXS (Jan 18, 1993 prototype)

Make My Video: Kris Kross (Nov 30, 1992 prototype)

Make My Video: Marky Mark and the Funky Bunch (Jan 20, 1993 prototype)

Marko's Magic Football (Apr 12, 1995 prototype)

Mickey Mania: The Timeless Adventures of Mickey Mouse (Aug 25, 1994 prototype)

Mortal Kombat (Jan 27, 1994 prototype)

Night Trap (Sep 21, 1992 prototype)

Penn & Teller's Smoke and Mirrors (Apr 30, 1995 prototype)

Road Rash (Feb 11, 1995 prototype)

Samurai Shodown (Oct 21, 1994 prototype)

Sega Multimedia Studio: Sega CD Demo (May 29, 1992 prototype)

Shining Force CD (Dec 26, 1994 prototype)

Snatcher (Oct 7, 1994 prototype)

Sonic the Hedgehog CD (Aug 1, 1993 prototype)

Sonic the Hedgehog CD (Aug 19, 1993 prerelease)

Sonic the Hedgehog CD (Aug 6, 1993 16:54 prototype)

Sonic the Hedgehog CD (Aug 6, 1993 prototype)

Sonic the Hedgehog CD (Dec 4, 1992 prototype)

Sonic the Hedgehog CD (Jul 12, 1993 06:37 prototype)

Sonic the Hedgehog CD (Jul 12, 1993 prototype)

Sonic the Hedgehog CD (Jun 21, 1993 prototype)

Sonic the Hedgehog CD (May 10, 1993 prototype)

Sonic the Hedgehog CD (May 12, 1993 prototype)

Sonic the Hedgehog CD (Oct 13, 1993 prerelease)

Sonic the Hedgehog CD (Sep 20, 1993 prototype)

Star Strike (Jan 30, 1995 prototype)

Super Strike Trilogy (Prototype)

Syndicate (Jun 9, 1995 prototype)

The Adventures of Batman and Robin CD (Apr 24, 1995 prototype)

The Terminator (May 11, 1993 prototype)

Timecop (Mar 14, 1995 prototype)

Timecop (May 19, 1995 prototype)

Tomcat Alley (Feb 10, 1994 prototype)

Urusei Yatsura: Dear My Friends Sample (Feb 4, 1994 prototype)