Snake from BSD Games is not like Snake from the old Nokia mobile phones (in BSD Games, that game is known as Worm) - instead, it's a chase game where you have to pick up money and make it to the exit in order to record your score, without being eaten by the snake who is chasing you, and who also happens to become smarter the more money you obtain.
In-game, the snake looks like this;

When he eats you and it's Game Over, you get to see his face, which is what I traced the pattern for the plush's head from;

And here's the snake himself.



He's nine inches long from the front of his nose to the tip of his tail, and is slightly poseable, so, as you can see in the last picture, he can be posed so that he's not as flat-looking, which I think looks neat.