Need Unity Game developer (C# scripts)

Serious Sam is a video game released in early 2000s, one of the more famous early FPS. Take a look at some gameplay here: [login to view URL] (skip to ~8:00 for gameplay). The gameplay is quite simple (enemies run at the player and get shot) nevertheless the game was quite popular. Your task in this assignment is to replicate the basic functionality of ‘Serious Sam’ gameplay in Unity. The grade is based on 3 major components: 1) Basic camera control for movement and look. a. mouse look – able to look around the scene in XY directions using mouse b. WASD keyboard move – able to move in XZ plane using keypad c. Spacebar jump (with gravity) – pressing spacebar gives small boost in y-direction, gravity pulls back 2) crosshair a. visible at all time (does not get occluded by objects) b. cross-shaped (see image above) c. changes color when over enemy d. changes distance from camera based on where object it points to is located (see video) 3) Single level with gameplay (must be able to shoot enemies in some type of environment) a. appearance (how good your environment/content looks) b. enemy behavior (how the enemy behaves) c. weapon (gun sound effects, shooting animation, etc.) You must implement all components and it must containing all C# scripts used in the project