In what way does your game fit the theme?
It have 3 soldiers that you can control, you attack using one while the 2 stay in the back and attack with long range attacks to support you, you will have to manage health because if one of them dies it's game over, that's why those three soldiers are stronger together.

Did you write all the code yourself and made all the assets from scratch?
i wrote the code my self but used assets from unity asset store for player,enemies and environment models also sound and font UI ,and level designed the game my self.