Graphics:
bandicoot (Super Mario Maker 2: Super Mario World - Forest)
flaticon.com (Pot of gold in Yellow Switch's background)
Gamma V (Beach 2016)
Green Jerry (Angry Birds Seasons - some backgrounds, decoration shamrock, Shamrock Coins, Leprechaun Mario player and some custom/edited graphics)
Jonny Azzuris (JowTH's 16x16 Font)
pngall.com (Shamrock in Yellow Switch's background)

Music:
DanTheVP (Rudra no Hihou - Creatures from the Silent Sea)
Exodust0 (Pokémon Diamond/Pearl/Platinum Versions - Lake Caverns)
Gamma V (M.C. Kids - Opening Cutscene/Character House)
ggamer77 (Monkey Island - Chapter)
Green Jerry (O'Neill's Music of Ireland - St. Patrick's Day)
Giftshaven (Super Mario Galaxy 2 - Puzzle Plank Galaxy)
HarvettFox96 (Super Mario World (Pirated) - Ending Theme)
Infinity (Magic Jewelry - BGM 5)
KevinM (Ardy Lightfoot - Lumberjack Forest)
Lui (New Super Mario Bros. - Castle)
MercuryPenny (Earthbound - You Win!)
Moose (Kirby Super Star - Peanut Plains)
Nameless (Sonic the Hedgehog 2 - Mystic Cave Zone, Sonic the Hedgehog - Boss)
Teows (Dragon Ball Z: Super Butouden - Victorious!, Discord Ringtone)
worldpeace (MegaMari - Cirno)

Patches:
Aika (Disable Bonus Stars)
Arujus (No More Sprite Tile Limits)
Chdata (Piranha Plant Fix)
edit1754 (No More Sprite Tile Limits)
Ice Man (HDMA)
imamelia (Disable Bonus Stars)
Lui (Minimalist Course Clear)
MathOnNapkins (No More Sprite Tile Limits)
Roy (Nintendo Presents Custom Palette)
Tattletale (No More Sprite Tile Limits)
Thomas (Yoshi Coin Overworld Tile Locks (Vanilla version))
V'Lanta'la'mana'ma'nisha (No More Sprite Tile Limits)
Vitor Vilela (No More Sprite Tile Limits)
wiiqwertyuiop (Minimalist Course Clear)

Sprites:
Dispari Scuro (Mouser)
Erik (Grey Platform, ON/OFF Controlled)
Blind Devil (Rideable Falling Leaf)
mikeyk (Roto Disc)
NekohDot (Falling Spike Dissasembly)
Pink Gold Peach (Ladida's flowers cluster effect edit)
Sonikku (Sidestepper)

Tools:
Alcaro (Asar)
ExoticMatter (GradientTool)
FuSoYa (Lunar Magic)
JackTheSpades (PIXI)
Kipernal (AddmusicK)
Tattletale (PIXI)
Vitor Vilela (UberASM Tool)

Testing:
N450