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Best fighting game I've every played by far. The controls were easy to learn, the game had a good grasp of how to control blocking, the specials weren't overkill, and the taunting was enjoyable. The only complaint I have is that the pushing is cheap. Like you can spam push before the opponent attacks and it's like blocking without the challenge. 4/5 from me, keep up the good work!
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For the 3-hit badge I recommend doing what Jagzthebest said and putting slo-mo on 10. If it is still hard, i found using Westone and holding down the special button works perfectly.