Soundtrack:

GlitchCade - Touhou 13 Ten Desires: Desire Drive by KMS
GDQ Practice Room - Megaman 8: Frost Man by MaxodeX
Path of Resolve - Sonic CD: Quartz Quadrant by Ultima
Path of Pain - Sonic Mania: Mirage Saloon Act 2 by MaxodeX 
Path of Confusion - Last Bible 3: Underworld Forest by tcdw
THE GATE - Donkey Kong Country 2: Krook's March by Slash Man
Path of Sorrow - Simpson's Hit and Run: CELL-OUTS by Wakana
Path of Patience - Metroid Prime 2: Submerged Temple by ggamer77 and Super Metroid: Arrival on Crateria by Sinc-X
Path of Flame - Cyberblock Metal Orange: Stage 1 by Ultima
Path of Infinity - Megaman X: Armored Armadillo by Masterlink
Path of Persistence - Sonic The Hedgehog: Star Light Zone
Path of Redemption - Megaman 6: Mr. X's Castle by Ultima
Path of Plague - Megaman X3: Gravity Beetle by Masashi27
THE LAST - Tower of Heaven: Luna Ascension by Ultima
Final Boss Music - Castlevania Harmony of Despair: Ryu Kokki by 6646

Overworld Music
Donkey Kong Country 3: Submap Shuffle by Crispy 
Legend of Zelda A Link to the Past: Lost Woods by Unknown User
The Simpsons Theme by ThinkOneMoreTime
Kirby Super Star: Milky Way Wishes (Arranged) by Ultima

Credits Music - Shooting Star by Wakana

Sprites:
Punchy the Boxing Glove by Mandew
Multi-Bounce Shell by NaroGugul
SMW Items by Davros
Platform Megapack by Mandew
Invincible Shell by Sonikku
Horizontal Level Wrap (Literally wraps the level horizontally) by dtothefourth
Spinia by K3fka

Blocks: 
Switch Pack by MarioE
Sticky Shell Block by dtothefourth
Disappearing Boost Block by Pseudogon
SMB3 Screen Scrolling Pipes by GreenHammerBro

Graphics:
Death blocks by OG_Phantom
Boost/Music Blocks by me
Donkey Kong Country GBA: Font by BigBrawler

ASM/UberASM:
3 Digit Counter by dtothefourth
Super Status Bar by GreenHammerBro/Kaijyuu
No Title Screen Movement by DiscoTheBat/Erik
Proximity Wrap Fix by GreenHammerBro
Better Creating/Eating Block Snakes by Leod
Sprites on Platforms and Springs and Stuff by Leod
Rope Fix by Alcaro
No More Sprite Tile Limits by MathOnNapkins, V'Lanta'la'mana'ma'nisha,edit 1754
Spinjump Carry Fix by betalogic
Retry Patch by Worldpeace
Autosave by Alcaro
Counter Break (Powerups/Yoshi Only) by Zeldara109
Yoshi Expansion Patch by Maarfy
Frame Rule Patch by Kaizoman
Horizontal/Vertical Wrap by Kaizoman
Mid-air jump changer by RussianMan 
Sprites Are Always in Water by Darkbloom, Telinc1
Sprite Shooting ability for Mario by Erik 
One-Way Scroll by Kaizoman
One OR Two players only by p4plus2
Custom Layer 2 Rise/Sink by Erik (Used in GlitchCade)
Timer by imamelia (Used in GlitchCade)
Aimed Bullet Bill/ Eerie Generator by YoshiCookieZeus (Used in GlitchCade)
GlitchCade/Item Abuse Patch by me

Tools:
Lunar Magic by FuSoYa
Asar by Alcaro (and others)
Blockreator by Kipernal
GPS by The Biob, p4plus2
Pixi by JackTheSpades
AddmusicK by Kipernal

The Shell Master/Tester of this hack: 
GlitchCat7

Other Testers:
Deakula
LouisDoucet

Special Thanks: GrandPooBear