Just keep movin' develop a general strategy of what to do and you'll be able to get better at the game. The game is meant to be extremely difficult but that's where it's fun! The fun comes in the challenge, and if you're struggling try doing new things. Before the update that added the various other weapons I always used all my energy on the gun then wait for an opening to use the hammer. The hammer is obtained by going to the bottom left of the main area.