Clicker Battles

 - Use up and down arrows to select the upgrade you are buying(the selected one is top one, and the upgrades are the rectangles with various things you can buy that are towards the right)

- price shows at bottom right, and press space to buy them  if you can

  - press "s" to save the game, "f" to fight an enemy, and "w" to wipe a save(you will have to reload after that)