» Awful Green Things from Outer Space    Directory of sites about the game.    http://www.isidore-of-seville.com/awfulgreenthings/

» Optional Rules    Features variant rules for new monsters and equipment.    http://grognard.com/variants/tagtfos.txt

» RPGnet    Review by "Edg".    http://www.rpg.net/news+reviews/reviews/rev_1387.html

» SOS' Gameviews review    Review by Steffan O'Sullivan.    http://www.panix.com/~sos/bc/agt.html

» The Awful Green Things From Outer Space    Official site. Features pictures, description, ordering information, and answers to questions about the rules.    http://www.sjgames.com/awfulgreen/

» Tom Wham    Features a photo of an early edition of the game along with a history of the game, by the author.    http://www.genevaonline.com/~tomwham/agtfos.html