SS-bros14
Smash Champion
http://www.smashbros.com/sp/us/
If you scroll to the bottom, it says E10+, meaning both smash 3DS and smash WiiU are rated E10+.
Personally, I think this is a reasonable rating for both versions.
If you scroll to the bottom, it says E10+, meaning both smash 3DS and smash WiiU are rated E10+.
Personally, I think this is a reasonable rating for both versions.