Nice! I actually meant the shop would act as a pause button rather than adding a new button to pause, since that could get in the way. Going into the shop like that looks great by the way!
And remove the pause button you showed in the gif becuase it will get in the way for when players want to dodge bullets and move into it (but keep the shop). I don't want you to feel like I'm controlling development of your game but I do see great potential in it :)
