Most Level Variables on Speedrun.com

Mario Kart Wii -- 24
Colin McRae Rally 2.0 -- 18
Fate/Extella: The Umbral Star -- 18
Call of Duty: Black Ops III Zombies -- 17
LEGO Star Wars: The Complete Saga (PC/Console) -- 16
Super Monkey Ball 2 -- 16
Killer Instinct Season 3 -- 11
Super Monkey Ball -- 11
Super Smash Bros. for 3DS -- 11
FNaF World -- 10
RWBY: Grimm Eclipse -- 10
Super Monkey Ball Jr. -- 10
Free Rice -- 9
Guilty Gear XX Accent Core (Plus) -- 9
Kingdom Hearts Birth by Sleep Final Mix HD -- 9
Pokémon Puzzle Challenge -- 9
Super Smash Bros. for Wii U -- 9
Golden Axe -- 8
Grand Theft Auto Category Extensions -- 8
Hanabi -- 8
Mortal Kombat 4 -- 8
Pac-Man Party -- 8
Phage Wars -- 8
Plants vs. Zombies: Garden Warfare 2 -- 8
Realm Grinder -- 8
WWE SmackDown! vs. RAW 2006 -- 8
Assault Android Cactus -- 7
Danganronpa 2: Goodbye Despair -- 7
DiRT 3 -- 7
Halo Category Extensions -- 7
Hero Siege -- 7
Hollow Knight -- 7
Kingdom Hearts II Final Mix HD -- 7
Monkey Ball -- 7
Nuclear Throne -- 7
PAYDAY 2 -- 7
Resident Evil Zero -- 7
Spore -- 7
Super Monkey Ball 2 Custom Level Pack v1.0 -- 7
Batman: Arkham City -- 6
Call of Duty Black Ops II: Zombies -- 6
Castle Crashers -- 6
Crash Team Racing -- 6
Donkey Kong Country Trilogy -- 6
Gex 3: Deep Cover Gecko -- 6
Guilty Gear Isuka -- 6
Guilty Gear X2 #Reload -- 6
INVERSUS -- 6
Kingdom Hearts Birth By Sleep (JP) -- 6
Kingdom Hearts Final Mix HD -- 6
Kingdom Hearts II Final Mix -- 6
Kingdom Under Fire: Circle of Doom -- 6
Mario Kart 64 -- 6
Mario Party 5 -- 6
Ninja Smasher! -- 6
Path of Exile -- 6
Plants Vs. Zombies -- 6
Ragnarok Battle Offline -- 6
SCP Containment Breach -- 6
Super Mario Bros. Crossover -- 6
Super Monkey Ball Deluxe -- 6
Undertale Category Extensions -- 6
Unreal Tournament -- 6
Yoshi's Woolly World -- 6