If you can get a second player The Warriors is the most fun multiplayer brawler there's ever been and you can co-op mode the entire story. Using that running dive attack to barrel in to the group of enemies wailing on your teammate never gets old. It's pure chaos, legitimately one of the most fun multiplayer fighting games on PS2 that isnt the conventional kind like Tekken and Street Fighter. ("Brawling game" feels more appropriate).
Edit: I can speak from experience, even today just give any guy friend that second controller, boot up The Warriors and they will never not have fun.