Full MUGEN Games

-Bootleg Wars (Fighting game consisting of characters from bootleg games)
http://www.mediafire.com/download/1ytc58e3k6hqnnt/Bootleg+wars+v4.5.rar
-Capcom vs The World (Capcom VS style game consisting of Capcom characters and characters from any other series)
http://mugenguild.com/forum/topics/capcom-vs-the-world-august-release-new-patch-818-152879.0.html
–Castlevania Fighter (Gameplay has platformer controls instead of fighter controls; arcade mode is a boss rush)
http://serio.piiym.net/cvbla/
-Famicom Fighters (WIP fighting game that consists of characters from NES/Famicom era and NES aesthetics)
http://famicomfighters.mcjimmy.net/Famicom%20Fighters%20-%2012-11-2014.zip (Most recent build)
http://mugenguild.com/forum/topics/famicom-fighters-progress-thread-150829.0.html (progress thread)
-Gameboy Fighters (Fighting game consisting of characters in a GB/GBC style)
http://www.mediafire.com/download/a0xzzd084llv5qj/GBFv4.0.rar
-IWBTG Mugen-Based Fan Game
https://sites.google.com/site/illegiblescience/iwbtgmugenfangame
-MK Too (essentially what happens when you put Mortal Kombat 2 and Dong Dong Never Dies in a blender)
http://network.mugenguild.com/bane84/MKToo/index.html
-MK vs. SF - Fight for the Universe (WIP fighting game based on the flash animation Mortal Kombat vs Street Fighter; combo-centric gameplay)
http://mugenguild.com/forum/topics/beta-v0-2-released-157935.0.html (v0.2 build; Most recent version)
http://mugenguild.com/forum/topics/general-topic-114864.0.html (general topic thread)
–Nijikaku (Fighting game made by people at 2chan where you can play as 2chan memes):
https://www.sendspace.com/filegroup/GpJMZ%2Bvrp6JSzwzI9TwFKSbjtSG%2BuNYZ  (part 1)
https://www.sendspace.com/filegroup/CpuDXF9rng9I1CSxsbdWlwmNMCgGECgI  (part 2)
https://www.sendspace.com/filegroup/wJCHfYE3n2z6nNT1I2hJsA  (part 3)
http://mugenfreeforall.com/index.php?/topic/23492-nijikaku-%E8%99%B9%E6%A0%BC-collection/ (Character collection)
-Super Famicom Figiter Turbo 70 Pepoles (intentional bootleg version of Famicom Fighters)
http://mugenguild.com/forum/topics/super-famicom-figiter-turbo-70-pepoles-165881.0.html
–The Black Heart (Fighting game made by some Mexican guy and is essentially like a gothic Darkstalkers with finishing moves; 6 playable characters are probably not enough to justify the download, but you can download the characters separately for MUGEN)
http://www.theblackheart.com.ar/
http://www.andresborghi.com/mugen/chars.htm (separate characters for MUGEN)