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+=s31+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)))+5p) goto _