How to Unlock
Mr. Game & Watch
•  Fight in 250 brawls
•  Clear Target Smash with 30 different characters on any single difficulty level
•  Have Mr. Game & Watch join your party in The Subspace Emissary
•  With the exception of the last of the three methods listed above, you’ll need to face Mr. Game & Watch in a brawl and beat him after satisfying the above conditions to unlock him.