

Mode matches that lasts from 5-10 minutes, but if you are certain you have played enough, you can reset this timer by simply closing the game application and relaunching it from the home screen. There does seem to sometimes be a "cooldown" between fighters appearing from Vs. The unlock order for this method is not random - you will always find new challengers in the same order, unless that character has already been unlocked through other means. If no fighter appears, that means you still haven't played enough to trigger a new fighter.

Running or pressing multiple buttons as you would in the course of a match, or essentially button mashing, you can unlock a character in around a 2-minute match.

In order to trigger a new challenger when playing Smash matches, the game looks for player input - which means you will need to be active during a match: simply pressing one button won't be enough.
