An interesting premise. I was worried for a bit that I wouldn't be able to play this by myself, as I don't have any friends nearby. Luckily, the 4? button controls scheme is perfectly* usable by one person.
Assuming that y'all were aiming towards a more challenging* game, the choice of having plentiful spears at the beginning is an odd choice. On the other hand, the art style looks great, and had I a friend to play with, I might have had more fun*.
Good* work*, guys*.
* - depending on your point of view