Optional Rules
grognard.com
Features variant rules for new monsters and equipment.
The Awful Green Things From Outer Space
sjgames.com
Official site. Features pictures, description, ordering information, and answers to questions about the rules.
SOS' Gameviews review
panix.com
Review by Steffan O'Sullivan.
Awful Green Things from Outer Space
isidore-of-seville.com
Directory of sites about the game.
RPGnet
rpg.net
Review by "Edg".
Tom Wham
genevaonline.com
Features a photo of an early edition of the game along with a history of the game, by the author.