Pillbox

Pillbox is a fast-paced shooter game with a pixelated graphics style. The players have to use different kinds of weapons, special abilities and power-ups to survive waves of enemy units.
Supplies (weapons, abilities, etc.) can be bought and upgraded with the cash gained from neutralizing enemy units.

Controls: Mouse: Aim and shoot
1, 2, 3, 4 or mouse wheel: Switch weapons
Q, W, E, R: Activate abilities
Escape: Pause.