In order of forming:
Half-life@Far2cool - Sometime before Halloween 1997
The Doubled Quarter - February 17, 1998
Sleepnever Central - February 28, 1998
Ace's Half-life - April 1, 1998
Half-life Command Central - March 29, 1998
VX/Half-life.org - April 12, 1998
Atomic Half-life - April 24, 1998
EdFanatic/Alien HQ - April 25, 1998
Half-life Haven - April 27, 1998
Contaminated.net - April 29, 1998
Half-life Silo - May 1, 1998
69th Vladitude - May 24, 1998
Halflife.net - May 25, 1998
Valveworld - June 2, 1998
The Pyst Piper Half-life site - June 7, 1998
The Better Half - June 11, 1998
REDs - June 19, 1998
Twisted Half-life - June 20, 1998
Carbon-14 Half-life - July 4, 1998
Half-life Down Under - July 20, 1998
The Black Mesa Half-Life Center - July 21, 1998
Half-life Vortex - August 1, 1998
Planet Half-life - August 1, 1998
Half-life Depot - August 12, 1998
Level Alpha - August 22, 1998
TTLB Half-Life - August 30, 1998
