This mod for the classic Doom II: Hell on Earth engine presents a unique challenge centered around a single, ambitious map concept: the abandoned Foursite military base. Released on October 19, 2016, players are tasked with navigating this desolate complex, rumored to hold a secret backdoor entrance. The core objective involves locating this hidden entry point, exploring the base's four distinct quadrants, reaching its central core, and ultimately escaping with your life.

The Foursite Experience

The game's design revolves around the intricate layout of the Foursite military base. This singular, expansive map is divided into four thematic quadrants, each offering a different facet of the abandoned facility to explore. The atmosphere is one of isolation and decay, as players delve deeper into the secrets held within the base's walls.

Core Gameplay and Unique Features

As a mod, this title leverages the established mechanics of its parent game, focusing on fast-paced shooter action. The primary innovation lies in its 4-in-1 map concept, where the entire game world is contained within a single, interconnected environment. This design encourages exploration and strategic movement as players work to uncover the path through the base's various sectors.

What is the central objective in this mod?

The ultimate goal is to penetrate the Foursite military base via a rumored secret entrance, systematically explore its four quadrants, reach the heart of the complex, and successfully escape. This progression through distinct areas of the base forms the backbone of the gameplay loop.

Exploration and Progression

Players must actively seek out the hidden backdoor entrance to begin their mission. Once inside, the exploration of the four quadrants becomes paramount. Each quadrant likely presents its own environmental challenges and enemy encounters, requiring players to adapt their strategies as they advance towards the base's core.

Reaching the Heart and Escaping

The culmination of the player's efforts involves reaching the central core of the Foursite base. This area is implied to be the most critical or dangerous part of the map, leading to the final objective: a successful escape from the abandoned facility.