The actions such as punching and kicking can be fairly unresponsive and don't always have an affect. The art however is very good. It reminds me of Borderlands in some way.
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Thanks for the feedback we wrote this in the description: you can only do damage to a player if you are the opposite colour to them. E.g. red punches can only damage blue characters. So if the attacks were not having an effect that's likely why. The idea is to switch your colour by using the punch and kick to hit your opponents weakness. The energy shot will be whatever colour the player is. Sorry if that wasn't made clear.