This is a pretty interesting game! The roll to change mechanic was not unique, but this one does it well, where I am often put into a situation where I'm forced to roll, and I assume enemies are weak to their color. There was a nice variety in weapons, however I feel that they are not all so different, but still impressive to have done all that in only 2 days. The character animation is so cute, especially the roll.
One major criticism I have is that I should've been able to hold to constantly shoot bullets, instead of having to spam the button. Make each weapon have different reload speeds, so that holding can be a thing. Also, the controls probably should've been stated, even just a block of text mentioning all the controls, I had to sit there trying out all the buttons for quite a long time before being able to play.
Overall a really great submission tho, the movements felt very fluid, and the jumping is very snappy, and the roll is also just very polished. Enemy movements also feels very nice, very predictable and anything I do wrong could've been avoided if I had played better. Very well done!