Here's a hint to getting past the weird guy with the ray gun: look a the colors and the numbers.

The game is a strange thing - but it's made by the BBC so I chalked it up to that. (Not slamming the British!!!) It's along the lines of Fawlty Towers or Dr. Who.

I think the scratching head thing is an attempt to make him look confused, as in 'huh'?

My kiddo loved it and is begging to do it again.