ProjectDDD/Assets/_DDD/_Scripts/GameState/GameStateSo.cs

using System.Threading.Tasks;
using UnityEditor;
using UnityEngine;

namespace DDD
{
    [CreateAssetMenu(fileName = "GameStateSo", menuName = "GameState/GameStateSo")]
    public class GameStateSo : ScriptableSingleton<GameStateSo>
    {
        public GameLevelStateSo GameLevelStateSo { get; private set; }

        private void OnEnable()
        {
            GameLevelStateSo = CreateInstance<GameLevelStateSo>();
        }
    }
}