If I missed anyone or there's any suggestions, please let me know!
Rise of the triad  Score coin graphics and sounds.
 Pedro VC  --  Several sprites were burrowed from the "TNT2" cancelled mod.
 Combine_Kegan  --  Golden skeleton
 Doom 64  --  Textures and sprite
 SunMadcat  --  Some sprites taken from 
https://zandronum.com/forum/viewtopic.php?t=4445
 CoTeCiO  --  A.k.a creator of the Town Infection doom mod, some stuff was burrowed from that mod
 IMX  --  Stuff taken from here! viewtopic.php?f=37&t=37149
 minigunner  --  New burning barrel
 sgt. shivers  --  Shotgunner sprites, arachnotron gibbing sprites, BFG Altfire animation
 scalliano  --  Zombies, most notably the scientists. 
 agaures  --  Tekimp sprites
 hellcatX  --  Sprites for pain elemental with arm cannons!
 Uboa  -- Harlequin (Score imps) sprites.
 monster resource wad  --  Some monsters were taken and edited from here.
 finalizer  -- Paladin monster, sprites & decorate (
http://forum.zdoom.org/viewtopic.php?t=36260&p=686013)
 00_Zombie_00  --  Melee revenant & chaingun mancubus sprites
 cyriak  -- Commander keen replacements from the "going down" doom wad
 shadesmaster  -- UBER bishop sprites!
 Blox  -- Level 3 fireblu sky
 Cage  -- Ton of textures.
 PsychoSilverTH  -- Some bits were taken from prodoomer, such as the pyromaniac zombie.
 Nightfall  -- fireblu torches!
 raymoohawk  -- Uber Wraith's sprites were based off concept sprites of his.
 Skelegant  -- Cyberimp's alternate attack on harder difficulties.
 Megaherz  -- Undead flamethrower sprites.
 zrrion the insect  -- Animated falls and liquids from his "The Core" mod, and the health pack sprites.
 James Paddock (Jimmy) -- The HUD, sounds from 6AXIS.
 Zero Prophet  -- Hyper Imp's ring attack and some sounds from "Zero Tolerance"
 Unholypimpin  -- Some monsters were edits of his monsters, such as the fusionar.
 captain ventris  -- Rail revenant, giant mancubus sprites. 
http://forum.zdoom.org/viewtopic.php?f=37&t=48675
 NoozeArts  -- Pickup sprite for the BFG alt-fire ammo.
 Captain Toenail  -- For the texture "MARBT08"
 Xaser  -- Project Uber was partially inspired by Zen Dynamics.
 revo794  -- Menu sounds, good stuff mate!
 Xeotroid  -- Several sounds burrowed from the high quality hexen sound mod.
 DooM 2016  -- BENELUS.ogg (snipped from the hell soundtrack and pitched down)
Credits on "Hardy" class:
 Xaser  -- Zharky inspiration!
 Blox  -- Hammer sprite edit
 chronoteeth  -- butter cannon is a big sprite edit of their "Ekelhaftwaffe" weapon
 Skelegant  -- Some of hardy's melee weapon sprites.
 sgt. shivers  -- animation where you're loading your leg like a shotgun on zharky fist altfire.
Big Ol' special thanks to these guys:
 PillowBlaster  -- Helped immensely with captain akimbo's weapon animations and the decorate for BENELLUS!
 Ed The Bat  -- Helped with some akimbo coding.
 Captain J  -- Bloodless pinky death sprite (for fusionar) and MANY "gibbing" animations for enemies.
			       - Also creating the sprites for the final boss.
SCRAPPED MAPS!
(Scrapped maps which I edited and turned into maps for this)
Map01 - msscraps.zip, snnnnori
Map02 - megalyth, msscraps, unholypimpin
Map03 - Memfis
Map04 - Memfis, msscraps, Paul Corfiatis
Map05 - snnnnori, msscraps
Map06 - msscraps, megalyth
Alpha/Beta testers!
- Unholypimpin
- Obsidian
- YukiSenmatsu
- ThePlamzJoker
- Ed The Bat
- PillowBlaster
- snnnnori
- SeriousCacodemon
Hardy class testers!
- Vizyaey
- Combine_Kegan
- Unholypimpin
- Skelegant
MUSIC!
Titlemap & Intermission
PERVOK - Dire Truth - 
http://newgrounds.com/audio/listen/64625
Level 1
PERVOK - Peace Brings Pain - 
http://newgrounds.com/audio/listen/86460
Level 2
PERVOK - A Walk in Your Brain - 
http://newgrounds.com/audio/listen/66927
Level 3
Coffee-Break - Deep Space - 
http://newgrounds.com/audio/listen/522139
Level 4
PERVOK - Rtght Ore Lwft - 
http://newgrounds.com/audio/listen/74978
Level 5
ZipZipper - Pipe Organ Dream - 
http://newgrounds.com/audio/listen/382343
Level 6
drumeaterking - Mudkipocalypse (organ arngmnt) - 
http://newgrounds.com/audio/listen/337098
Final Boss
ParishIsDead - Church Prayer for Death - 
http://newgrounds.com/audio/listen/142522
Epilogue
VegetarianMeat - .vent. - 
http://newgrounds.com/audio/listen/245718