Collect batteries while navigating the labyrinth in your basement. Use your flashlight to help see, but be careful not to use it too long, or else you will run out of batteries and have to restart.
MOVE - Arrow Keys
TOGGLE FLASHLIGHT - Space
RESTART LEVEL - R
I know it's not a good game, but I was sort of busy and ran out of time to make something actually decent. I just immediately thought of the pun and went all in without trying to think of something better.