Game Boy games hacked by Unknown

Game Codes
Alien vs Predator - The Last of His Clan (USA) 4
Castlevania - The Adventure (USA) 1
Castlevania II - Belmont's Revenge (USA, Europe) 1
Donkey Kong Land 2 (USA, Europe) (SGB Enhanced) 1
Donkey Kong Land III (USA, Europe) (SGB Enhanced) 1
Final Fantasy Adventure (USA) 2
Final Fantasy Legend, The (USA) 1
Jurassic Park (USA) 2
Killer Instinct (USA, Europe) (SGB Enhanced) 3
Game Codes
Lamborghini American Challenge (USA, Europe) 8
Mortal Kombat (USA, Europe) 1
Pokemon - Red Version (USA, Europe) (SGB Enhanced) 1
Popeye (Japan) 11
QIX (World) 1
Super Mario Land 2 - 6 Golden Coins (USA, Europe) 1
Super R.C. Pro-Am (USA, Europe) 2
T2 - The Arcade Game (USA, Europe) 1
Tiny Toon Adventures 2 - Montana's Movie Madness (USA, Europe) 10