Smash Wii U Mewtwo destroyed Allstar-achievement?

[Sunstar]

I just cleared Allstar mode with all characters on hard (even with the Mii-Fighters). Finally...
I did it to unlock one of those last achivements on the challenge-wall.
But I haven't unlocked that achievement . Could it be possible that the challenge can't be cleared until Mewtwo is released and I beat the Allstar-mode with him on hard, too? (On my Wii-U there is no Mewtwo )

Anyone knows about this issue?

 

[LancerStaff]

What probably happened was that you didn't beat All-star as somebody. Check your trophies and your scores and try to deduce who you haven't done yet.

 

[Raijinken]

Not sure if Mewtwo impacts the achievement or not, but like LancerStaff suggested, go over your trophies and scores. Look over some scores you know are clears, and look for values that are significantly lower.

Any round that made it to Pac-Man/G&W but you lost will still have a pretty high score. Just repeat the ones that you had the lowest scores on, and keep track with an out-of-game list.

 

[Mario & Sonic Guy]

Mewtwo doesn't count towards completing All-Star on Hard with all characters. You might've missed a non-DLC character while doing that challenge.

 

[TroperCase]

Unfortunately, if you get a higher score losing in Hard than you do winning on Medium, you'll have the Final Smash trophy and a hard high score. Like Raijinken said, look for lower high-scores to try to discern which ones that may have happened with, and try to remember which characters you already won on Easy or Medium (some challenges may provide clues, e.g. there is one for winning it as Zamus on an easier difficulty without recovery.)

 

[Sunstar]

I found it!
Sorry for bothering you. I really forgot one character. My second: Bowser xD
As you said: His highscore was a bit lower than the highscore of all others. But only a bit. Seems that I really lost to Pac-Man, Mario etc. during one of my first walkthroughs. Just as the game was new to me...
Or how else could one lose with Bowser in All-Star-mode?