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Bunker Constructor Simulator
Become a bunker builder: take on contracts from the government and local residents, construct underground rooms and furnish them. Grow your business and work toward your ultimate goal — buying your own home and building a fully protected underground bunker.

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Features
Single-player
Family Sharing
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Languages:
Interface Full Audio Subtitles
English ✔ ✔
French ✔ ✔
Italian ✔ ✔
German ✔ ✔
Simplified Chinese ✔ ✔
Polish ✔ ✔
Portuguese - Brazil ✔ ✔
Russian ✔ ✔
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Coming Soon To Early Access

The developers of this game intend to release as a work in progress, developing with the feedback of players.

Note: Games in Early Access are not complete and may or may not change further. If you are not excited to play this game in its current state, then you should wait to see if the game progresses further in development. Learn more

What the developers have to say:

Why Early Access?

“I am developing this game for you – for the players, not for myself, so it is extremely important for me to get feedback as soon as possible. I want to present my vision of this game to you and hear your opinion in order to make timely changes to my development plans – to change those mechanics that you do not like and develop new ones you want to see in this game.”

Approximately how long will this game be in Early Access?

“At this moment, the release is planned about six months after the start of early access. However, this deadline can be changed if there are many interesting requests from the players. Any release date changes will be posted on the game's page.”

How is the full version planned to differ from the Early Access version?

“At this moment, I plan to develop several new mechanics that will deepen the gameplay, as well as increase the game world. I hope that you will give constructive feedback, and the roadmap will be updated with new interesting ideas.”

What is the current state of the Early Access version?

“At this moment this game has implemented main mechanics that allow you to fully play in sandbox mode.”

Will the game be priced differently during and after Early Access?

“The price won't change even after release, even though a lot of new content will be added for the release.”

How are you planning on involving the Community in your development process?

“Feedback from players is what this game is being released in early access for. I will actively and regularly read posts and comments at the Community Hub in order to respond to criticism and suggestions in a timely manner.”
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This game is not yet available on Steam

Planned Release Date: Dec 16, 2025

This game plans to unlock in approximately 4 days

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About This Game

Contracts

Take on contracts from the residents of the city. Each job is unique and requires close attention to meet every requirement set by the client. The more complex the contract and the more demands the client has, the higher the reward. Make your clients happy by fulfilling even their smallest wishes to earn your full payment — and maybe even a bonus.

Construction

Build real underground bunkers capable of withstanding even the worst apocalypse. Every bunker must be placed at the proper depth to ensure full protection for its future occupants. Unleash your creativity and imagination — design multi-level, complex underground structures.

Building Materials

Purchase the materials you need from various stores — construction supplies, furniture, electronics — and transport them to the construction site using your own vehicle or pay for delivery. Any leftover materials can be sold or reused for your next project.

Underground Bunkers

Construct secure underground bunkers from start to finish. First, dig a shaft to the required depth. Build a convenient descent by constructing a staircase. Excavate enough space for the bunker you’re planning. Pour reinforced concrete floors, walls, and ceilings to ensure full structural strength. Then build interior walls to form separate rooms and begin furnishing them.

Interior

A bunker should be not only durable but also comfortable to live in. Furnish it with practical and cozy furniture. Every client has their own preferences and interior design requirements. Create bedrooms, kitchens, offices, home cinemas, gyms, and many other rooms.

Licenses

To build underground bunkers, you’ll need a construction license issued by the local mayor’s office. Each license type allows you to work at a specific depth and build structures of a certain size. Complete contracts, satisfy your clients, and purchase new licenses to build even larger bunkers — and earn even more money.

Buy Your Own Home

Housing prices are high — even in a small town like Green Valley. You’ll need to work hard to earn enough for your own house. On your personal plot, you can finally build the bunker of your dreams. Hard work and persistence always pay off… probably.

Roadmap

Plans for future updates:

Electricity

Install generators to power all electrical equipment in the bunker.

Water Supply & Sewage

Provide drinking water and wastewater management by installing pumps and other equipment, and routing pipes to every sink, toilet, bathtub, and other fixtures.

Ventilation

Install central air-conditioning units and lay ventilation ducts to supply fresh air to every room.

House Construction

If you don’t like the house built on your plot, you’ll be able to demolish it and build your own.

System Requirements

    Minimum:
    • OS: Window 10
    • Processor: Intel Core i5-2400 / AMD FX-6300
    • Memory: 8 GB RAM
    • Graphics: GeForce GTX 660 / AMD R9 280X
    • DirectX: Version 11
    • Storage: 2 GB available space
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