Use the mouse cursor to move the green blob and click the space bar to turn on the flashlight for more range. If you finish all 17 levels in 50 seconds or less, you win, else, you lose. :(
umm @SpotyTheCat ig for his flashlight game for the inspiration. :) 5/20/22: Fixed the bug that when you click the key, I pop up for a moment before in hides.