1. Task system: Players can get rewards by completing tasks, including killing enemies, collecting props, and reaching designated places.

2. Weapon system: Players can buy and unlock various weapons, including rifles, sniper rifles and submachine guns. Different weapons have different attributes and applicable scenarios.

3. Skill system: Players can unlock various skills by upgrading, such as quick aiming, explosion-proof clothing and continuous shooting. And skills can improve the player's combat ability.

4. Equipment system: Players can purchase and unlock various equipment, such as backpacks, helmets and bulletproof vests. Equipment can improve the player's survivability and combat ability.

5. Map system: Players can fight on different maps, including cities, forests and deserts. Different maps have different environmental and tactical requirements.

6. Training system: Players can participate in various trainings, such as shooting training, tactical training and survival training. Training can improve players' combat skills and survivability.

7. Social system: Players can join different guilds to fight with other players, and at the same time, they can communicate with friends and share their game experiences.

8. Setup system: Players can adjust the game settings, such as image quality, sound effects, operation mode, etc. You can adjust the settings according to the player's personal preferences.