Update P1 (new map new Leveling up mechanism and more)

[h1][b]Update P1[/b][/h1][p] [/p][h2][u]New Additions[/u][/h2][p]1. Add a new map and introduce new difficult enemies.[/p][p] [/p][p] [/p][p]2. Introduce an upgrade mechanism, changing the game mechanics.[/p][p align="justify"] [/p][p]Killing zombies and cyborgs can increase combat experience.[/p][p]Leveling up allows for skill points, improving weapon performance, or enhancing personal abilities.[/p][p]There are nearly 20 types of skill points to choose from, enhancing weapons, melee combat, scavenging, and survival skills.[/p][p align="justify"] [/p][p align="justify"] [/p][p]3. Increase the randomness of the map, with all enemies and supplies randomized according to difficulty.[/p][p]Every gameplay has variations in enemy positions and numbers, maintaining overall balance.[/p][p] [/p][p] [/p][h2][u]Improvements[/u][/h2][p] [/p][p]1. Introduce new weapons.[/p][p] [/p][p]2. Adjust and enhance the shooting performance and feel of most weapons.[/p][p][/p][p]3.Modify and balance the enemies in the first level.[/p][p] [/p][p] [/p]