人群防禦（Crowd Defense）

群防是一款塔防益智遊戯。您需要使用重機槍和大砲，在敵人靠近您的城堡之前消滅所有來犯的敵人。您的武器彈葯和裝彈速度有限。
Crowd Defense is a tower defense puzzle game. With a heavy machine gun and a cannon, you need to eliminate all incoming enemy units before they get close to your castle. Your weapon has limited ammo and reloading speed.