I had the idea to make this thread while looking through the Clubs & Crews forum. Since the search bar oftentimes doesn't turn up what you want, I decided to make this as a reference point for what Clubs & Crews already exist. This is organized by category, rather than my previous list organized alphabetically.
If I missed your club/crew, then post here with the name of your club/crew and a link to it. I believe I have almost every single active club, though.
Thanks, and enjoy!
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Before we begin...
Important Threads
BBS Rules
CCIndex - Alternate Clubs & Crews List
~The C&C Regulars Lounge~
Evasive Clubs; Start-up Checklist
Late Night Lounge
Read This Before Making A Club!
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The Definitive Clubs & Crews List...
Newgrounds-related
Art Portal Patrol
Collection Suggestion Crew
Department Of Defense
Elite Guard Barracks
Genre Mod Crew
Icon Maker Club
New Club
News Comment Request Club
NG Trivia
Police Dept.
Police Headquarters
Profile Pic Makers
Rate Me club!
Review Request Club
Sig Makers
Userpage Designers
Walkthrough Club
Wikigrounds
Whistle Club
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Flash Movies & Games
Adventure Quest
Happy Tree Friends
Happy Wheels
Madness Combat
MapleStory
N
Punk-O-Matic Song Raters
Room Escape Games
Runescape
Skate Flash
Sprites
The Little Fighter
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Video Games
Companies
Nintendo
Square Enix
VALVe
Characters
Banjo Kazooie
Kirby
Luigi
Sonic
Zelda
Consoles
Nintendo DS
Nintendo DS Wifi
Nintendo Wii
Playstation
PS3
Xbox 360
Games
Ace Combat
Advance Wars
Animal Crossing
Age of Empires
Bioshock
Borderlands
Burnout
Cabal
Call Of Duty: Modern Warfare
Civilization
Combat Arms
Command & Conquer
Crash Bandicoot
Counter-Strike: Source
Dead Frontier
DDR
Doom
Dynasty Warriors
Fable
Final Fantasy
Fire Emblem
Garry's Mod
Gears of War
Goldeneye 007
Grand Theft Auto
Guild Wars
Guitar Hero
Half-Life
Halo
HAZE
Katamari Damacy
Killzone
Kingdom Hearts
Left 4 Dead
Mass Effect
Metal Gear Solid
Metroid
Minecraft
Mortal Kombat
Mugen
Quake
Rainbow Six Vegas
Rock Band
RF Online
The Sims
Spore
Street Fighter
Super Smash Brothers
Team Fortress 2
Timesplitters
Unreal Tournament
Warhammer Online
Warhammer 40.000
World Of Warcraft
Genres
Fighting
First-Person Shooters
RPGs
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Television & Movies
Television
Adult Swim
American Idol
Beaking Bad
Bleach
Boston Legal
British Satirical Comedy
Cartoons
Death Note
Doctor Who
Dragonball Z
Futurama
Gundam
Heroes
Jackass
Joss Whedon
Mighty Boosh
Mythbusters
Naruto
Naruto RP
The Office
Psych
The Simpsons
South Park
Stand-Up Comedy
Stargate
Star Trek
Trailer Park Boys
24
Movies
Cinema Club
Horror (Genre)
Pixar Club
Star Wars
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Music
Bands
Bob Dylan
Blink 182
Buckethead
Daft Punk
Disturbed
Dragonforce
Dream Theater
Evanescence
Gorillaz
Group X
Jimi Hendrix
Linkin Park
Megadeth
Mike Patton
Mindless Self Indulgence
Muse
Opeth
Paramore
Pink Floyd
Primus
Rage Against The Machine
Red Hot Chili Peppers
Slayer
System of a Down
Tokio Hotel
Trans-Siberian Orchestra
"Weird" Al Yankovich
Genres
Drum & Bass
Electronica
Folk
Grindcore
Industrial
Jazz
Jungle / Dubstep / Dnb
Metallithrashers
Metal Hell
Nu-Metal/Metalcore
Post-Punk
Punk
Progressive Rock
Rap
Reggae
Shoegaze & Dream Pop
Ska
Instruments
Bass Guitar
Drums
Guitar
Instruments
Piano/Keyboard
Other
Band Geeks
iPod Club
Last.Fm
Lyrical Appreciation
Music Reviewers
Radio Podcast Club
Spotify Club
Vinyl Lovers
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Sports
Airsoft/Paintball
American Football
Athletic Crew
Baseball
Basketball
Billiards
Boxing
Football (Soccer)
Formula 1
Golf
Martial Arts
NASCAR
Newgrounds Gym
NHL Hockey
Skateboarding
Tennis
UFC
Wrestling
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Reading & Writing
Anime
Calvin And Hobbes
Comic Books
Disc World / Pratchett
Douglas Adams Fan Club
Harry Potter
Literature Lovers
Poetry
Stephen King
Writer's Club
Writer's Guild
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Special Interests
Code Lyoko Rpg
Mafia
Vampire Empire
Vampire Hunters
Viking Army
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Cultural & Religious
Cultural
Asian Users
Australian Users
English Gentlemen's Club
Finland Club
German Users
Israeli Users
Italian Users
Phillipino (Pinoy) Users
Spanish Club
Religious
Atheists
Christians
Jewish Users
Monk Crew
Satanic Community
Wiccan and Pagan Crew
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Hobbies & Interests
Cars
Cats
Chess
Computer Construction
Computer Science
Cooking
Creative Art
FBF Club
Foxes
Geocaching
Ghosts / Supernaturals
Graffiti
Gun Club
History
Homework Review
Horticultural Society
Linux Users
Mac Users
Mathematics
Mental Health
Mobile Phone Enthusiasts
Origami
Parkour & Free Running
Philosophy
Photography
Photoshop
Pokemon
Poker
Rollercoasters
Science
Steampunk
That Guy With The Glasses
War Crew
Yaoi
Zombies
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Food & Drink
Chocolate Milk
Coca Cola
Coffee
Dr. Pepper
Mountain Dew
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Social
Alcoholics Anonymous
Autism Club
Badass Beard Brigade
College Life
Counseling Club
Facebook Users
Female Users
Gay Bears And Lovers
Gay/Bisexual Users
Google+ Circle
Old People's Home
Relationship Crew
Revision Break Lounge
Slackers
Spread the love!
Stoner's Club
Tumblr Users
Twitter Users
Vegetarian Community
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Political
Communist Regime
Free Rice Crew
Human Nationalist Movement
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And finally...
Go to the forum!
Frenzy
This took forever to make - almost three hours. If I forgot a club or crew, or you would like one to be added, please comment and link to it! Thanks!