Killheads is a free game for girl to play online at ZiLigames.Com. You can play Killheads in your browser for free. Killheads is great combination of zombie shooting and 'match-three' puzzling with an atmospheric horror theme. Match up and pop the monster heads before they reach the barricade. Use grenades to get out of a tight spot. Killheads has thirteen levels of relentless head-popping action and an online leaderboard for the best completion times.