Better comments

UOP1_Project/Assets/Scripts/Event Listeners/IntEventListener.cs

 using UnityEngine;
 using UnityEngine.Events;
 
+/// <summary>
+/// To use a generic UnityEvent type you must override the class type
+/// </summary>
+
+/// <summary>
+/// This class is listener for Int Events
+/// </summary>
 public class IntEventListener : MonoBehaviour
 {
     public IntGameEvent intGameEvent;

UOP1_Project/Assets/Scripts/Event Listeners/VoidEventListener.cs

 using UnityEngine;
 using UnityEngine.Events;
 
+/// <summary>
+/// This class is listener for Void Events
+/// </summary>
+
 public class VoidEventListener : MonoBehaviour
 {
     public VoidGameEvent voidGameEvent;

UOP1_Project/Assets/Scripts/LevelEnd.cs

 using UnityEngine;
 
+/// <summary>
+/// This class detecs when the level(Location) ends
+/// </summary>
+
 public class LevelEnd : MonoBehaviour
 {
     public LoadEvent onLevelEnd;

UOP1_Project/Assets/Scripts/LocationLoader.cs

 using System.Collections.Generic;
 using UnityEngine;
 using UnityEngine.SceneManagement;
-using UnityEngine.InputSystem;
+/// <summary>
+/// This class manages the scenes loading and unloading
+/// </summary>
 
 public class LocationLoader : MonoBehaviour
 {
     public Image loadingProgressBar;
 
     [Header("Load Event")]
-    //Load Event we are listening to
+    //The load event we are listening to
     [SerializeField] private LoadEvent _loadEvent = default;
 
     //List of the scenes to load and track progress
         LoadScenes(mainMenuScenes, false);
     }
 
-    /*
-     * Scenes methods
-     */
-    //Load the scenes passed as parameter
+    /// <summary> This function loads the scenes passed as array parameter </summary>
     public void LoadScenes(GameScene[] locationsToLoad, bool showLoadingScreen)
     {
         //Add all current open scenes to unload list
             }
         }
     }
+
     public void UnloadScenes()
     {
         if(_ScenesToUnload != null)
         _ScenesToUnload.Clear();
     }
 
-    //Check if a scene is already loaded
+    /// <summary> This function checks if a scene is already loaded </summary>
+
     public bool CheckLoadState(String sceneName)
     {
         if (SceneManager.sceneCount > 0)
         return false;
     }
 
-    //Update loading progress
+    /// <summary> This function update loading progress </summary>
+
     IEnumerator LoadingScreen()
     {
         float totalProgress = 0;

UOP1_Project/Assets/Scripts/Scriptable Objects/Events/IntGameEvent.cs

 using UnityEngine.Events;
 using UnityEngine;
 
+/// <summary>
+/// This class is used for Events that have one Int argument (Example: Achievement Unlock Event)
+/// </summary>
+
 [CreateAssetMenu(fileName = "IntGameEvent", menuName = "Game Event/Int")]
 public class IntGameEvent : ScriptableObject
 {

UOP1_Project/Assets/Scripts/Scriptable Objects/Events/LoadEvent.cs

 using UnityEngine;
 using UnityEngine.Events;
 
+/// <summary>
+/// This class is a used for scene loading Events
+/// Takes an array of the scenes we want to load 
+/// and a bool to specify if we want to show a loading screen
+/// </summary>
+
-    public void RaiseEvent(GameScene[] locationsToLoad, bool loadScreen)
+    public void RaiseEvent(GameScene[] locationsToLoad, bool showLoadingScreen)
-        if (loadEvent != null) loadEvent.Invoke(locationsToLoad, loadScreen);
+        if (loadEvent != null) loadEvent.Invoke(locationsToLoad, showLoadingScreen);
     }
 }

UOP1_Project/Assets/Scripts/Scriptable Objects/Events/VoidGameEvent.cs

 using UnityEngine;
 using UnityEngine.Events;
 
+/// <summary>
+/// This class is used for Events that have no arguments (Example: Exit game event)
+/// </summary>
+
 [CreateAssetMenu(fileName = "VoidGameEvent", menuName = "Game Event/Void")]
 public class VoidGameEvent : ScriptableObject
 {

UOP1_Project/Assets/Scripts/Scriptable Objects/SceneManagement/GameScene.cs

 using UnityEngine;
 
+/// <summary>
+/// This class is a base class which contains what is commun for all game scenes (Locations or Menus)
+/// </summary>
+
 public class GameScene : ScriptableObject
 {
     [Header("Information")]

UOP1_Project/Assets/Scripts/Scriptable Objects/SceneManagement/Location.cs

 using UnityEngine;
 
+/// <summary>
+/// This class contains Settings specific to Locations only
+/// </summary>
+
-    //Settings specific to level only
     [Header("Location specific")]
     public int enemiesCount;
 }

UOP1_Project/Assets/Scripts/Scriptable Objects/SceneManagement/Menu.cs

 using UnityEngine;
 
+/// <summary>
+/// This class contains Settings specific to Menus only
+/// </summary>
+
 public enum Type
 {
     Main_Menu,
 [CreateAssetMenu(fileName = "NewMenu", menuName = "Scene Data/Menu")]
 public class Menu : GameScene
 {
-    //Settings specific to menu only
     [Header("Menu specific")]
     public Type type;
 }

UOP1_Project/Assets/Scripts/StartGame.cs

 using UnityEngine;
 
+/// <summary>
+/// This class contains the function to call when play button is pressed
+/// </summary>
+
 public class StartGame : MonoBehaviour
 {
     public LoadEvent onPlayButtonPress;