Non, je ne regrette nien!We might use Inception to describe the situation.
Half-Life is a game. It was made by Valve. We have to go deeper.
ESF is a mod for Half-Life. It was made by the ESF-team. We have to go deeper.
ECX is a mod for ESF, which is a mod for Half-Life. It was made by the Corona-Bytes team. This is your current Inception-level.
Corona-Bytes might have a solution for your problem.