Assume the role of an Overseer and manage a state-of-the-art underground Vault from Vault-Tec. This main game, released in 2015, offers a unique blend of simulation and strategy gameplay, challenging you to build and maintain a thriving subterranean community in the post-apocalyptic world of Fallout. Your primary objective is to create the perfect Vault, ensuring the happiness and safety of your Dwellers while protecting them from the harsh realities of the Wasteland.

The Premise and Setting

Set in the iconic Fallout universe, this game places you in charge of an underground Vault, a sanctuary designed to protect humanity from nuclear devastation. The atmosphere is one of cautious optimism, as you strive to rebuild and thrive in a world forever changed by atomic warfare. Each Dweller has unique skills and needs, and it's your responsibility to assign them to appropriate rooms, manage their resources, and keep their spirits high.

Core Gameplay Mechanics

The core gameplay loop revolves around resource management and expansion. You'll need to generate power, food, and water to sustain your Dwellers. Building new rooms, such as Power Generators, Water Purifiers, and Cafeterias, is crucial for increasing your Vault's capacity and resource output. Dwellers can be sent out into the Wasteland to scavenge for valuable resources, equipment, and even rare items, but they face dangers during these expeditions.

Another key mechanic is managing your Dwellers' happiness. This is achieved by fulfilling their basic needs, assigning them to jobs they excel at, and ensuring they have adequate living conditions. Unhappy Dwellers are less productive and can lead to internal strife within the Vault. You'll also need to prepare for and defend against various threats, including Radroaches, Deathclaws, and raider attacks, which can damage your Vault and injure your Dwellers.

Character progression is handled through leveling up Dwellers, improving their stats (Strength, Perception, Endurance, Charisma, Intelligence, Agility, and Luck), and equipping them with weapons and outfits found or crafted. Marriage and procreation are also part of the simulation, allowing you to grow your Vault's population organically.

What Makes This Game Unique?

This title stands out by offering a compelling management simulation set within the beloved Fallout universe, allowing players to experience the post-apocalyptic world from a different perspective. Instead of venturing out into the Wasteland, you are responsible for building and nurturing a community from the ground up. The game's emphasis on intricate resource management, individual Dweller needs, and strategic room placement creates a deep and engaging experience.

Key Features

Vault Construction: Design and build your ideal underground Vault by strategically placing various rooms.
Dweller Management: Assign Dwellers to jobs based on their S.P.E.C.I.A.L. stats, keep them happy, and ensure their survival.
Wasteland Exploration: Send Dwellers out to explore the dangerous Wasteland for valuable loot and resources.
Threat Defense: Protect your Vault from various threats that emerge from the Wasteland.
Dweller Customization: Equip Dwellers with weapons and outfits to improve their effectiveness and survivability.

Game Information

Type: Main Game
Release Year: 2015
Platforms: PlayStation 4, PC (Microsoft Windows), iOS, Android, Xbox One, Nintendo Switch
Genres: Role-playing (RPG), Simulator, Strategy

Additional Content

As of October 7, 2025, there are no downloadable content (DLC) packs, expansions, remakes, or remasters available for this game. The core experience is self-contained.

Can You Play This Game on Multiple Platforms?

Yes, this game is available on a wide range of platforms, including PlayStation 4, PC (Microsoft Windows), iOS, Android, Xbox One, and Nintendo Switch, allowing for broad accessibility.