Near the top the screen you'll see a blue bar indicating
how much energy you have. Press space to use that energy to
Collect the red dots to build up energy!
Watch out for the red bar below the energy bar! That
displays how much damage you've taken! When it fills up your
snake will grow and begin to move faster.
By clicking on the button under the word enemies on the right
you can choose how the enemies are targeted, either randomly, by
highest power, highest damage, or by manually clicking on the
enemy in the right column.