Thanks for the feedback Ant, it is super helpful and I know they bunnies have completely gone, it's crazy!
I can see what you mean with shooting behind the player and I have a few ways to fix that so thanks for letting me know. With the health pick ups I'll try to spawn them on enemy drops then it becomes a risk and and reward, potentially the bigger the enemy the more health they give that way it gives an element of high risk/ high reward. Enemy challenge is something that I'm trying to improve on and surprisingly I had enemies that shot at the player I got rid of them so they'll definetley be coming back, same with the enemy health, that's actually something that other people have been suggesting too. I'm so glad to see that you're enjoying the process and I can't wait to see the final product of Monoshift too!