You're a beggar and have to fight other beggars for alms. Avoid other beggars' bullets, collect alms from the hats on the ground, buy upgrades and extra lives. Remember you start with nothing, so be quick to buy your first upgrade, level up and start shooting.

Controls:

WASD Walk and Jump

K or N shoot

L or M Buy

Go from this:

To this:

Life shop:

Upgrade/Level Up shop: