Hey, I saw your game in a stream yesterday and thought I'd give it a try! :D
Ah okay, now I got it: dashing through the mimics results in getting 150 points, and jumping over the walls gets you 100 points! Gotcha! :)
Maybe you could implement a punishment for the player? What I mean is, every run you get three lives. Jumping over the walls would still earn you some points, but running or dashing into them would cost you one life. As for the mimics, you'd still have to dash through them to get more points, but you wouldn't be able to jump over them. If you introduce a life system, maybe you could occasionally heal by killing a bunch of mimics in a row or by collecting hearts? Just some minor suggestions! :)
What I would definitely do is rework the graphics. I didn't really have a feel for the dash because there were no reference points in the background. With some bricks, windows, or dungeon assets, I think the dash would feel much more impactful! :D
Congrats on your submission! <3