How many characters did you use?
546

Include your code here, if you'd like to show it off!
z=.1
m="🐱"
p=print
x=0
y=0
e=x
f=y
g={}
a={{-1,0},{1,0},{0,-1},{0,1}}
l=2
b={}
n=0
::_::
cls()
camera(x-64,y-64)
for i=0,3 do
if btn(i)then
l=i
x+=a[i+1][1]
y+=a[i+1][2]
end
if btnp(4) then
add(b,{x,y,a[l+1]})
end
for d in all(g) do
p("ˇ",d[1],d[2])
end
for c in all(b) do
if abs(c[1]-e)<4 and abs(c[2]-f)<4 then
m="🐱 is dead"
z=0
end
c[1]+=c[3][1]
c[2]+=c[3][2]
pset(c[1],c[2])
end
end
while #g<50 do
r=flr(rnd(3)+1)
e+=a[r][1]
f+=a[r][2]
if e%6==0 and f%6==0 then
add(g,{e,f}) end end
n+=z
e+=cos(n)
f+=sin(n)
p(m,e,f)
p("웃",x,y)
flip()
goto _