Giga Games 5 CDROM, May 1997.  Walnut Creek CDROM.
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 Parallax Shareware and Demos
 path: \descent\parallax 
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d2demo10.txt 
d2demo10.zip Descent 2 Interactive Demo v1.0 This is a playable demo of the long-awaited sequel to the smash-hit game Descent! 30+ new robots, including new bosses 10+ new weapons/powerups, afterburner, full-map powerup, ammo rack powerup, energy->shield transfers, flash/stun missiles, guided missiles, smart mines, headlight powerup, and more!
dcnt12_1.txt 
dcnt12_1.zip DESCENT Shareware v1.2 by Parallax Software & Interplay Productions Disk 1 of 2
dcnt12_2.txt 
dcnt12_2.zip DESCENT Shareware v1.2 by Parallax Software & Interplay Productions Disk 2 of 2
desc14sw.exe 
desc14sw.txt 
descent1.zip Descent shareware version 1.0
descent2.zip Descent shareware version 1.0