Acclaim's Punch King for the Game Boy Advance includes:

?? 18 unique fighters, the most ever in a hand-held boxing game;
?? Individual fighter styles and attributes;
?? Combo punching action, delivering bone-crunching attacks;
?? Color commentary and catch phrases for each fighter;
?? Create-A-Boxer Mode, allowing players to create their own title contender;
?? Career Mode, including winning fight purses and purchasing new combos and special moves to K.O. opponents;
?? Home arenas for each fighter, including individual theme music;
?? Head-to-head boxing. Two GBAs, a GBA Game Link cable and two Game Paks are required for multiplayer action.