A 280 character PICO-8 cartridge that generates a matrix of particles within a confined space. Their palette, decay time, spread, and movement is unique to each one, feel free to check variations before minting :)

Source Code:

--fxhash snip
w=stat(6)s=1g=128f=flr
r=rnd
for i=1,#w do
ch=ord(sub(w,i,i))s+=s*31+ch
end
srand(s)
cls()p=f(r(100))h=r(g)z=r(1000)
pal({-16,-14,2,-8,8,-15,1,-13,3,-5,-15,1,-4,12,6},1)
::_::
for i=1,z do
pset(r(g),r(g),0)end
circ(g/2-h/2+r(h),g/2-h/2+r(h),3,(1+f(r(5)))+5*p)
goto _