This is a 1997 CD by Head Games Publishing Inc, Tremor is the follow-up to Aftershock which was also released by Head Games Publishing Inc, On this CD is 500 Singleplayer Maps and 500 Deathmatch maps, 100 quake patches/updates, and new textures, This file came from Archive.org and I do not take credit for it, nor do I own it either.
Yep bought this many moons ago dont throw the classics