Use the Mouse to move the target cursor around and click to launch a bullet.
If the bullet hits a foe, the foe will most likely die.
Shift the mouse towards another foe while the first wounded foe is dying and you can pull off a 'Curve Shot' to shoot multiple foes with a single bullet!
Included is the .rpg and the .hss for the game.
It's got 4-5 levels of slaughter, because the levels take more work than I'm willing to give.