Features: - Sandbox mode: In this mode, you can create units in any location and decide on their weapons, damage resistance, and HP. You can also modify the rules of the game, such as unit spawn system that can automatically spawn soldiers and zombies. As well as time limit, conditions of victory and defeat. In short, You can make the gameplay a significant change by modifying the rules. Of course, if you do not want to do it by yourself I also gave you some preset ways to play; - Third Person Shooter: You can control a soldier by yourself; - Multiplayer: Support online, LAN, and offline mode.