I've made little progress with the game - what I have done has been mainly aesthetic, no physics yet. Normal mapping is almost finished - just need to compute the tangents and it'll be ready. On the plus side, I've made decent progress with the moped - it's in a decent condition given that it's been stored for several years with no maintenance. The brakes are even functional, though the front cable had seized. The gearbox (well, belt box) is also functional, but there's still plenty to do on it - for example, the engine has to be removed, lights sorted, legal bits checked, and it has to be weighed and measured fairly carefully, so that I can revise my estimates and get some real-world numbers to work with. I'll also have to buy the replacement bodywork. Motors are to be ordered shortly, it seems pointless to wait for delivery from China. Charlie