As a fellow family member comprised game dev team, I was excited to play your submission and it delivered a very fun experience!
I loved the retro vibes of the game from the story to the visuals and the simple yet repeatably fun mechanics. I felt the reload time of the two mortars was really well dialed in. I imagine you play tested quite a bit to find that balance between mortars being fired too quickly and reducing the challenge to being too slow. I enjoyed the music and sound effects as well they really tied the game play together.
Fantastic submission!