This is a very clever take on the theme. I completed all five levels, I didn't want to stop! I would suggest tweaking the camera a bit so you can see the other tugboat. I had to check the controls page to figure out that there was a second tug. I also think there should be a more substantial sound effect when the ship takes damage. Having said that, I thought your levels scaled in difficulty really well. The tugboats felt good to control, the ship felt heavy without being too slow. Your models were really cool too. Great job, guys. I want more!