Here's a collection of great settings for Risus, for GMs and players needing a world to play in. Add a link and a description to your submitted settings under the appropriate category. If you don't see your setting's category, feel free to add it to the collection.
Don't forget to check out the Adventures page, for specific adventures to run your players through.
Risus Heroic Greece - Ancient Greece; adventure, magic, and myth.
Vikings of the Caribbean - Vikings. Caribbean Vikings, specifically.
Chinese Mythology - Myths and legends of ancient China meets wuxia.
Egyptian Mythology - Myths and legends of ancient Egypt meets James Bond-style-tomb-robbing pulp fiction.
Something Familiar - Be an animal helping out a wizard.
Ars Incantâtio - All about the magic...
Barbarian Light - A far future fantasy campaign.
Gears & Portals - Magic and technology collide in the fantasy Multiverse.
Risus of Arabia - The Land of Fate and barely dressed harem girls!
Risus Fantasy - Basic Fantasy setting rules. You supply the maps.
Fighting Fantasy - A fantasy setting (obviously) based off of the Fighting Fantasy game books.
Dungeon Crawl: Risus - Fantasy dungeon crawling at its most lovingly clichéd and trope-tastic.
Harper's House of Heroes - You and your companions are an elite team of heroes working at a fast-food delivery style hero joint called Harper's House of Heroes. Your promise: deliver a hero to solve any problem in 30 minutes or less- guaranteed!
After the Hammer's Blow - A setting based in a Martha Wells-inspired world of airship adventures.
Heroic Tales - Based off of the Redwall series of novels, this is a kid-friendly animal-focused Fantasy setting.
Risus Playground - Taking it to the school yard...
ANACHROMERICA - It's 20th Century America with all the historical accuracy of Xena: Warrior Princess!
Risus Mariachi - Bring the love of Mariachi music to all.
Kick Ass for the Lord - There's too much evil in the world, so the Lord commandeth you to go kick some ass!
Worlds at War - The thought process behind the Worlds at War setting.
Eternity! - Keeping history on track with Personages of Historical Significance!
Agents of Who in Time - Time travel and super heroes.
Cosmiquest! - A space-faring setting where one treks amongst the stars.
Risus: Do You Remember Macross? - Space mechs fighting other space mechs... in SPACE!
Nexus - Rifts gets the Risus treatment, so get your lasers and magic and cybernetics and mutant powers ready to go!
Bughunters - The classic combination of Space Marines and Big Alien Bugs; what's not to like?
Risus Ravens - Inspired by Armored Core, this mecha setting focuses on the people behind the steel.
Task Force Tetrabot - Little bots doing big jobs on a massive spaceship.
Post Apocalyptic Settings
UUUOOOOOHHH - Please pass the brains...a zombie campaign.
Dao Sheng - Martial arts and post-apocalyptic scavenging. Who could ask for more?
Terra Tertia - A post apocalyptic Gamma-World-to-Risus conversion.
Hard Roads - A Car Wars/Autoduel to Risus Adaptation.
Risus Zombie Apocalypse - Putting the 'dead' back in the undead.
Naruto - A setting based on the world of Naruto.
Sonny - A mix of fantasy and post apocalyptic fun, based off of the Sonny I and II flash games.
Avatar: The Last Airbender - A write-up of the popular Avatar series.
Monty Python and the Holy Grail - A quick guide to adventuring in Monty Python's humorous fantasy world.
My Little Risus - Like ponies? No? Too bad, they're here anyway.
JoJo's Bizarre Adventure - Suggestions on how to best use Risus in the wonderful world of JoJo.
Risus Trek - Follow the ongoing adventures of the USS Pathfinder, complete with ship, setting, and character info.
Risus Pokemon - Gotta catch 'em all! Revisit the classic Pokemon experience, Risus-style!
Final Fantasy Risus - Here's a few things to help with running a game in the ever increasingly misnamed Final Fantasy series. Kupo!
Vampire: The Masquerade - Timothy Groves gave the classic White Wolf setting a Risus makeover...
Mage: The Ascension - ... and he also Risus'ed Mage: The Ascension...
Werewolf: The Apocalypse - ... as well as Werewolf too! Wow!
Risus Gijika - Who loves Internet memes?
SHGGFTAWSGDSSFDF - Or in other words, it's the Super-Happy-Go-Go-Fun-Time-All-World-Speedy-Good-Delivery-Service-Special-Force-Delta-Five. It's time travel. It's a delivery service in space. It's the weirdest thing I've ever written. Don't say I didn't warn you.
STUDS - For a more condensed version of SHGGFTAWSGDSSFDF, check out the Space-Time Universal Delivery Service.
Murphy's World - A Risus setting in a world not completely unlike our own where anything that can go wrong, will.
Risus Elizabethulhu - Supernatural Swashbucklers.
Dangos! - Playing a group of creatures just trying to get their next meal.
Truckee Games - This is the landing page for Brent Wolke's settings, which are all quirky and clever in their own ways.
Bunnies and Burrows: Risus Edition - Hop into the world of rabbits with this Risus conversion of Bunnies and Burrows!
Dance Planet - Get your groove on with G.O. One's sci-fi world where there is no war, only dancing!
DOOMSDAY DROP - A quick and wacky micro-setting with a mix of over-the-top craziness and bleak survivalism.
Character Creation - This setting is fully comprised of and implied by its character creation rules, along with 4 sample characters.