please fill this with any c# project idea please

Table of Contents 1.1 Problem Statement and project Scope - page 1 1.2 Project Plan and Schedule 2. System Analysis - page 2 2.1 Functional Requirements 2.2 Use Case Diagram 3. System Design - page 3 3.1 Class Diagram 3.2 ER-Diagram (if a database will be used) 3.3 User Interface 1.1 Problem Statement and project Scope 2.2. 3. It is a two-dimensional game in which the player controls a snake to move 3.1. in a grid and eat food, game features as collision detection, snake movement, score calculation, and handling user input 1.2 Project Plan and Schedule 2.2 Use Case Diagram Figure 1: Gantt Chart of project Figure 2: Use Case diagram of system 1.3 2. System Analysis 2.1 Functional Requirements 1. 3. System Design 1.1. 3.1 Class Diagram Figure 5: Main UI of Appointment system Figure 3: Class diagram of Appointment system 3.2 ER-Diagram Figure 6: Show All UI of system Figure 4: ER diagram of Appointment system 3.3 User Interface