This game has quite the interesting idea, but I think the execution was a little rough. The biggest issue is that the repair is just too slow. Also, I think it would really help if there was some indicator of how far the cannon fires, especially since you only have a limited number of shots. I ended up beating it by completely ignoring the last groups of enemies and driving full speed into the goal, which, while very tense, didn't feel like the proper way to do it. I did like the mix of 2D and 3D though, and the player using tank controls is thematic, if a bit cumbersome.