The game looks good and sounds fantastic. I definetelly can tell you understand game design principles, and this fast phased reward system that is injecting dopamine in my brain. Good polishing skills. Yet I kinda struggle to see the point of the game, it is extremly easy wich makes its gameplay boring. I feel im not needed to get this thing through.
About the theme... I don't relly understand it either. Im killing mechs, against Robo-Santa and gather coins to upgrade my weapons. What is my goal here? What am I risking?
The whole enjoyment I got is from the reward system, which is really strong, yet I would love to get to know more about the game to enjoy it better.