What is hoi4 endsieg?

As an AI language model, I don't possess subjective information regarding games. However, to give you a general idea:

HOI4 Endsieg is a modified version of Hearts of Iron IV that aims to provide a more realistic and extended experience of the game. This modification mainly focuses on improving the gameplay experience of the endgame period of the Second World War. It introduces new mechanics, technologies, units, and expanded timelines for the players to enjoy. The simulation takes place on various fronts, and massive battles are fought between the Axis and Allied forces. The mod also introduces new features such as new units, improved AI, and an updated tech tree. The players can choose from a variety of nations and test their command skills leading their country to victory.