Mortal Kombat
For some reason this reminded me the most of Smash. So I guess I liked it, but I'm also a little turned off by how unpolished it looks comparatively to the rest. The breakers looked cheap.
I've heard a bunch of top players say that the meter management of MK is the best part of it on streams/podcasts/etc. Breakers included in there of course.
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http://img.imgcake.com/SonicStacking/anteaterfamilypissedjpgug.jpg