Do we have a jam winner here? Probably
The level of polish is just insane, especially considering the size of your team. The audio integration is very good too, with the menu theme and the different loops playing along the waves. The jungle like beat is catchy and the sfx are smooth. Overall I loved the audio aspect of the game.
The only downside I would see is the lack of content, it gets kinda stale after a while, but the base gameplay is really solid.