A handy Unity Editor script that adds a custom menu item (Tools > Toggle Fast Play Mode) to quickly enable or disable Fast Enter Play Mode using a keyboard shortcut (Ctrl+Shift+F / Cmd+Shift+F). Perfect for speeding up your iteration loop while prototyping or debugging! Usage: Drop this script into an Editor folder in your Unity project. Then us…

ToggleFastPlayModeMenu.cs

using UnityEditor;
using UnityEngine;

public static class ToggleFastPlayModeMenu
{
    [MenuItem("Tools/Toggle Fast Play Mode %#f")] // Ctrl+Shift+F or Cmd+Shift+F
    public static void ToggleFastMode()
    {
        EditorSettings.enterPlayModeOptionsEnabled = !EditorSettings.enterPlayModeOptionsEnabled;

        string state = EditorSettings.enterPlayModeOptionsEnabled ? "Enabled" : "Disabled";
        Debug.Log($"Fast Play Mode {state}");

        // Optional: Show notification in GameView
        var gameView = EditorWindow.GetWindow(System.Type.GetType("UnityEditor.GameView,UnityEditor"));
        gameView.ShowNotification(new GUIContent($"Fast Play Mode {state}"));
    }

    [MenuItem("Tools/Toggle Fast Play Mode %#f", true)]
    public static bool ToggleFastMode_Validate()
    {
        Menu.SetChecked("Tools/Toggle Fast Play Mode", EditorSettings.enterPlayModeOptionsEnabled);
        return true;
    }
}