Crack dot Com was a game
company led by Dave Taylor
. It produced Abuse, a side-scrolling action game (programmed
by Jonathan Clark
It's now defunct, which is a big shame, since Golgotha (the game they were making at the time) looked very promising. Worry not. The source code for both of these games was given out as public domain - Abuse source was published when the company was still up (after approximately 2 years the game was published).
For a longer history of the company, see the writeup under Dave Taylor.