This mod was a fun one back when I made it in 2011. I was only 16 and still new to programming and was into messing around with game code. I managed to pull this together using some cool modelling tools.
It was basically just an extended boat, with some different physics! Real good fun, shame I never managed to release it as it needed more purpose to it like taking you to different dimensions.
The video doesn’t really do it any justice, but shows the basics in action: