RAM was actually the main inspiration for this and is one of my favourites too. I was trying to emulate the more harder to learn controls that can feel really good once you learn them especially with a more physicsy feel. I was struggling to come up with a control scheme that would allow for the dual wielding to work well without adding too many buttons for individual actions for each slot. I could definitely consider some kind of setting for either simplified controls or maybe rework to the dual slots system. Thanks for the feedback.
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I also would recommend against highscore chasing for now until a balancing update since I realised the game gets much easier as the waves progress. I didn't get to making a proper difficulty scaling system over time so its just that more enemies start to spawn and with how killing them cools your, the game just gets much easier.