Unity programming

-Unity specification: 1-A minimum of two linked Unity scenes/files: a title scene and a main game scene. 2-A simple GUI component showing a game start message. 3-3D asset design *Your game should include multiple 3D meshes including at least one object in a parent-child hierarchy with another object. *At least one keystroke-based movable 3D object (Unity Input reference). *A custom 3D environment (e.g., room, maze, terrain etc.) *Object instancing through Prefab (Prefab user guide). *Add NPC style movement (randomness ,NPC expression). *Add a custom shader/material on each object *apply texture mapping on at least one object *apply different colors *Camera *Have at least two cameras with a switching mechanism (e.g., keystroke) *Lighting *Have at least two different lighting types (e.g., directional, spot, point or/and area light) *Use a Timer 4-Rigid body physics & collider *Add a physics component to your game object for movement. *Add an appropriate collider for your game object (Box Collider, Sphere Collider, Mesh Collider, Capsule Collider). *Your physics simulation should include at least one Trigger effect. 5-Sound *Add sound effects to your game object. Review Unity Audio tutorial.