u have to play around 15 brawls in brawl mode
First unlock marth to do that beat classic mode on any mode with 13 of the original characters defeat marth to unlock him then use marth to beat classic mode roy will appear defeat him to unlock him.
Use Marth on Classic or Adventre then beat Roy just a reminder you have to unlock Marth too
to unlock roy-finish the game in classic mode as marth and defeat roy to unlock him to unlock marth-use all 14 original characters at least once in classic or adventure mode then finish the game with one of them and defeat marth to unlock him. Alternatively play in versus mode 401 times then defeat marth to unlock him. if you have any more questions about super smash bros just ask and i will answer for you
Unlock marth then use him to beat classic mode.
play as every player unlocked when you begin to get marth play as marth in classic or adventure to unlock roy
unlock marth then beat classic mode with marth beat roy.
In order to unlock Roy, you must complete classic modewith Marth (it can be very easy difficulty).
First you must unlock Marth by finishing classic mode with 13 of the original characters then defeat Marth now finish classic mode with Marth to challenge Roy defeat him to unlock him.
First unlock marth to do that finish classic mode with 13 of the original characters then defeat marth. Finish classic mode with marth then defeat roy.
Unlock marth then use him to beat classic mode then defeat roy to unlock him.The easy way is beating classic with Marth on any difficulty and stock, the hard way is beating 900 vs. matches.
You could complete classic mode with the 14 characters you started with, or Play Multiplayer Vs. mode a couple of times until he shows up "don't count on it" He will then challenge you to a fight, if you win he's yours, if you lose he'll challenge you another time.
Play as Marth on classic mode (no continues) or play 900 vs matches.