This tweetcart uses a deceptively simply entropy locking system to control the movement, color, and p8scii seeds which produce the effect on the screen.

Press "Z" on the keyboard (or O on a gamepad) to capture an upscaled screenshot.

Tweetcart Source Code (279 Characters; 280 on twitter due to the emoji):

poke(0x5f54,0x60)r=rnd
s=r(-1)::_::srand(s)
if(r()>.8)for i=0,15do pal(i,flr(rnd(32)-16),1)end
for i=0,9do?chr(rnd(240)+16),r(128),r(128),r(16)
end
if(r()>.2)sspr(0,0,128,128,-4+r(8),-4+r(8),122+r(9),122+r(9))
if(t()*9\1%r({3,9})==0)s+=1
if(btnp(🅾️))extcmd("screen")
flip()
goto _