Risus Firefly - Martin Runyon adapts Fox TV's short-lived but much-beloved space-opera-cum-horse-opera (and by extension, the feature film). Complete with stats for Serenity's crew. - http://webpages.charter.net/anjinm/g_risus.htm
Risusiverse - A wiki-based Risus fanzine. - http://risusiverse.wetpaint.com/
Worlds at War - A briefly-described but compelling hard-SF space-adventure setting for Risus, with house rules and more, by Aaron Breland. - http://aaron.ellery.googlepages.com/home
The Risus Monkey - A Risus blog and growing set of resources by Tim Ballew, including Silverlode 1908 (set in the "last days of the Weird West") and Dragonspire (a fantasy campaign). This is also the web-home of Dan Suptic's popular "Risus Mariachi" sett - http://www.velvet-edge.com/risusmonkey.html
Uresius: Grave of Anything - An adaptation of Uresia: Grave of Heaven to Risus: The Anything RPG by S. John Ross, author of both. - http://www.io.com/~sjohn/uresius.htm
Coloured Skies - A large collection of Risus tidbits and optional rules - the archived-and-edited versions of material the webmaster has proposed on the Risus Mailing List. - http://members.iinet.net.au/~rene1/colouredskies.htm
Dungeonautica - Vincent Diakuw explores dungeoneering in (another) unusual way, via Risus. - http://www.members.shaw.ca/vdiakuw/D0.htm
The Other Risus Probability Table - David Prokopetz explores Risus probabilities, complete with graphic charts and lots of alternate file formats. - http://www.penguinking.com/?article=12&page=1
Risus Pieces - Guy Hoyle's collection of Risus material, including such gems as Vikings of the Caribbean and Satan's Gulch. - http://www.guyhoyle.net/risus/
Risus Bunnies & Burrows - An adaptation of B. Denis Sustare's rabbit-roleplaying classic to Risus, by Boyd Mayberry. - http://mywebpages.comcast.net/boydmayberry/Bunnies.html
Phillip Foster's Risus Page - A quick sampler of house rules including Risus Uno and genre "stylesheets." - http://www.scarletmars.com/RPGs/RisusOptions/Index.htm
The Risus Companion - A strategy guide/companion for Risus, available as a commercial PDF from Risus publisher Cumberland Games & Diversions. Each copy comes with a signed and stick-figured membership card. - http://www222.pair.com/sjohn/risus-companion.htm
Trapped in the Museum - A spooky supernatural Risus solitaire adventure in PDF form, courtesy of veteran designer Peter Schweighofer. - http://www.destinyrealms.com/griffon/tmintro.html
Travelling Light: A Risus Conversion for Traveller - Christopher Thrash brings Risus together with Marc Miller's space-adventure classic in this example of "Recast Risus." - http://www.freelancetraveller.com/features/rules/convert/risustrav.html
Unearthed at Mac: Risus - Several Risus items by Larry Bullock, including a Java-based in-browser character generator, assorted options, gaming tips, and "Ars Incantâtio," an alternate magic system. Many of the articles are also available as a PDF. - http://homepage.mac.com/unearthed/risus/index.html
Risus Tenhut - Expands Risus for use as a tactical wargame, and provides a setting based in Normandy in the wake of D-Day. The site also includes a translation of Risus to Danish. By Lars Erik Larsen. - http://www.larseriklarsen.dk/lel/gamerules/risus/
Risus: The Anything RPG - The official homepage. A free, simple game for late nights when the eyes are bloodshot and the pizza is cold. The game is available in Rich Text, HTML, Plain Text and Adobe Acrobat formats (and commercially as a print-on-demand softcover). By popular game - http://www222.pair.com/sjohn/risus.htm
Flames of Risus - Carl Hewett's collection of alternate methods for handling bonus-die gear, with other rules-notes. - http://bizarnage.50megs.com/
Rough Magic - A role-playing game of magic, mystery, and guns in 1960s Europe, using Risus as the engine. By Brandon Blackmoor. - http://www.rpglibrary.org/settings/roughmagic/
Belgarion's World for Risus - An adapton of David Edding's popular fantasy epics to Risus: The Anything RPG - http://unterhund.8m.com/risusbel/rintro.html