This version is much closer to the final and only needs a few minor
tweaks. Amazingly this version came only one month after the one
screen demo (4-7).
Prototype Differences
The low air warning beep constantly goes off any time you go
underwater on the river stage.
The death sound when you get killed on the river stage is different.
When you rescue your girl the background turns
brown as your points are being added up. In the released version
it says blue.