Algodoo

This is something i made on my spare time! (I'ts based off of Subaru's boxer engine.)
B=Brake
S=Starter
up key=Throttle
Hope you enjoy =P
(Ps; I know I am not the best, but I put a lot of effort into these things, so please show your appriciation, and give any additional advice)
(Ps Number 2 ; Only run at 120Hz or more. If not, it won't work well!)