Snake in 467 bytes

Arrow keys to move

BTW if die as soon as you run the game refresh the page. IDK how to fix it

This is my first Tweetcart and it's just 472 bytes :D

Code:

r=rnd
xd=0l=3p=0q=128x=32y=64dx=.3dy=0yd=0t={}a=r(q)\8*8s=r(q)\8*8c=rectfill::_::for i=0,999do
pset(r(q),r(q),1)end
b=btnp()if(b>0and b<4)dx=(b*2-3)/l dy=0
if(b>3)dy=(b/2-3)/l dx=0
xd=x\8*8x+=dx
l-=.0001yd=y\8*8y+=dy
if(x>q or x<0or y>q or y<0)goto z 
add(t,{xd,yd,99})for i in all(t) do
c(i[1],i[2],i[1]+7,i[2]+7,3)c(xd,yd,xd+7,yd+7)c(a,s,a+7,s+7,8)i[3]-=1if(i[3]<1)del(t,i)end
if(a==xd and s==yd)a=r(q)\8*8s=r(q)\8*8p+=1
?p,1,1,7
goto _::z::?'game over '..p,44,32,7