UGO - Description, screenshots, walkthrough and cheats. - http://indianajones.ugo.com/?cur=infernal-machine&gallery=true
ign.com - Previews, features, screenshots and news. - http://ign64.ign.com/objects/012/012182.html
eLook Gameboy Color - Quick summary of codes and cheats. - http://www.elook.org/games/cheats/gbc/552.shtml
Neoseeker - Offers screen shots, a discussion board and links to reviews. - http://www.neoseeker.com/Games/Products/N64/IndyIM/IndyIM_reviews.html
CheatingPlanet - Cheats, codes, and hints for the demo. - http://www.cheatingplanet.com/cheats/pc/2167.shtml
Sinjin's Ultimate Online Adventurer's Guide - Detailed walkthrough with over 500 screenshots, cheat codes, beginner's introduction, tips and all treasure locations. - http://www.the-spoiler.com/Sinjin/INDY/indywalk.htm
The Spoiler Center - Cheat codes and complete walkthrough by Dusha. - http://www.the-spoiler.com/ACTION/Lucas.arts/infernal.machine.1.html
IndyJones.Net - General game information, screen shots, cheat codes, forums, and links to demo and gamepatch downloads, walkthroughs and related sites. - http://www.indyjones.net/