Javascript demos and games in less than 1 kilobyte

What can be done with 1 kilobyte of javascript? Marvels of code efficiency await you at this year's golf tournament. Entries include graphical demos such as Quantum Worm, Metaballs, Creepy Organ, simple but evocative games such as Slenderman 2D, BackRooms Escape and When The Sun Goes Down (meme horror is a theme…)

My favorites are Franke Force's Flood Li…