This is valuable feedback! Is this level 1-2 of Story mode, or Endless Mode?
When you die, what tends to kill you most often?
Tips for beating the mark 1 sword robots reliably:
Try strafing around them and hitting them with horizontal sword attacks. This is an effective way to get around their sword blocks.
Tips for beating archers:
Strafe out of the way of their arrows and try to attack them when they don't have an arrow nocked.
Upgrades that are very helpful: Block Arrows and Clones! :)