Menu.Load();

//------------------------------------------------------------------------------
// <auto-generated>
//     This code was generated by a tool.
//     Runtime Version:4.0.30319.42000
//
//     Changes to this file may cause incorrect behavior and will be lost if
//     the code is regenerated.
// </auto-generated>
//------------------------------------------------------------------------------
namespace IJunior.TypedScenes
{
    public class Menu : TypedScene
    {
        private const string GUID = "a3ac3ba38209c7744b9e05301cbfa453";
        public static void Load()
        {
            LoadScene(GUID);
        }
    }
}

namespace IJunior.TypedScenes
{
    public abstract class TypedScene
    {
        protected static void LoadScene(string guid)
        {
            var path = AssetDatabase.GUIDToAssetPath(guid);
            SceneManager.LoadScene(path);
        }
        protected static void LoadScene<T>(string guid, T argument)
        {
            var path = AssetDatabase.GUIDToAssetPath(guid);
            UnityAction<Scene, Scene> handler = null;
            handler = (from, to) =>
            {
                if (to.name == Path.GetFileNameWithoutExtension(path))
                {
                    SceneManager.activeSceneChanged -= handler;
                    HandleSceneLoaders(argument);
                }
            };
            SceneManager.activeSceneChanged += handler;
            SceneManager.LoadScene(path);
        }
        private static void HandleSceneLoaders<T>(T loadingModel)
        {
            foreach (var rootObjects in SceneManager.GetActiveScene().GetRootGameObjects())
            {
                foreach (var handler in rootObjects.GetComponentsInChildren<ISceneLoadHandler<T>>())
                {
                    handler.OnSceneLoaded(loadingModel);
                }
            }
        }
    }
}

using IJunior.TypedScenes;
using System.Collections.Generic;
using UnityEngine;
public class GameLoadHandler : MonoBehaviour, ISceneLoadHandler<IEnumerable<Player>>
{
    public void OnSceneLoaded(IEnumerable<Player> players)
    {
        foreach (var player in players)
        {
            //make avatars
        }
    }
}

//------------------------------------------------------------------------------
// <auto-generated>
//     This code was generated by a tool.
//     Runtime Version:4.0.30319.42000
//
//     Changes to this file may cause incorrect behavior and will be lost if
//     the code is regenerated.
// </auto-generated>
//------------------------------------------------------------------------------
namespace IJunior.TypedScenes
{
    public class Game : TypedScene
    {
        private const string GUID = "976661b7057d74e41abb6eb799024ada";
        public static void Load(System.Collections.Generic.IEnumerable<Player> argument)
        {
            LoadScene(GUID, argument);
        }
    }
}

public class GameArguments
{
    public IEnumerable<Player> Players { get; set; }
}