Nothing.

Quake Shareware 0.91 (quake091.zip) and the patch to 0.92 (quake092p.zip).

Nothing.

5150.zip and 5days.zip, both included in the idgames2 deathmatch archive.

giggler4.zip and marsbase.zip, both included in the idgames2 deathmatch archive.

Not 100% sure if it is the December disc. Disc contents have a timestamp of late October.

runways.zip and tef_aop.zip, both included in the idgames2 deathmatch archive.