BUILDCITY

Getting Started

BuildCity is a free browser-based 3D city builder where you can build your own city online with no download or installation. Build a city in your web browser, place roads and zones, then grow a thriving city by constructing public facilities, attracting citizens, and collecting taxes. Even when you are offline, your city continues to generate income.

Building Your Infrastructure

Every city needs three essential utilities before citizens will move in: electricity, water supply, and road access. Start by placing a power plant to provide electricity, then build a water intake and sewage treatment facility. Once these are operational, connect them to your residential zones with roads. Citizens will automatically begin settling on connected, powered, and water-supplied plots.

City Services & Happiness

To keep your citizens happy and attract more residents, build essential city services within their coverage range. Fire stations prevent fire damage, police stations reduce crime, hospitals keep residents healthy, schools improve education, and parks boost overall happiness. Each facility covers a specific radius - plan your city layout to maximize coverage and minimize service gaps.

Economy & Tax Collection

Citizens pay taxes based on the land value of their neighborhood. Higher land values, boosted by nearby parks, good services, and dense development, generate more tax revenue per citizen. Log in daily to collect your accumulated taxes. Manage your budget wisely: a positive balance lets you build more facilities, while depleted funds will halt construction. Commercial and industrial zones provide additional income and employment for your residents.

Industry, Resources & Trade

Advanced players can unlock industrial buildings that extract raw materials such as oil, coal, and ore. These resources can be refined into higher-value products and exported for significant profit. Managing an industrial supply chain adds a strategic layer to city planning: balance residential comfort against industrial output to maintain a high quality of life while maximizing revenue.

Tips for Growing Your City

• Build services before zoning residential areas to ensure full coverage from day one.
• Parks placed near high-density housing dramatically increase land value and tax income.
• Visit other mayors' cities to learn new layout strategies and earn bonus rewards.
• Check in daily - idle income accumulates up to a cap, so regular visits maximize earnings.
• Upgrade your power plant and water systems before expanding to avoid utility shortages.

BuildCity is designed around connected systems rather than isolated decorations. A road choice affects access, access affects settlement, services affect happiness, happiness affects land value, and land value affects taxes. The goal is to create a city that is attractive, affordable, and financially stable.

A strong first city grows in phases. Use this simple order when you want steady population growth without running out of money too early.

1. Draw a short road spine.

   Keep the first road compact so every early building is easy to connect and service coverage is not wasted.

2. Add electricity, water, and sewage.

   Utilities should come before heavy zoning. This prevents the common problem where citizens want to move in but essential services are missing.

3. Zone a balanced starter district.

   Mix residential, commercial, and industrial zones near roads so citizens have homes, jobs, and places to shop.

4. Cover the district with basic services.

   Prioritize fire, police, healthcare, education, and parks around the highest-density blocks before expanding outward.

5. Collect taxes and reinvest in bottlenecks.

   Use each income cycle to fix the limiting factor first: utility capacity, road reach, service coverage, or land value.

6. Expand one district at a time.

   Small controlled expansions are easier to fund and easier to troubleshoot than a large unfinished grid.

Common Planning Mistakes to Avoid

• Do not zone more housing than your power, water, sewage, and services can support.
• Do not place every public facility in one corner; coverage matters more than decoration.
• Do not let industry press directly against homes unless you are prepared to handle pollution and happiness loss.
• Do not spend all cash on expansion before saving enough for the next required utility upgrade.

Use these guides when you want a deeper explanation than the in-game toolbar can provide. Each page focuses on one practical city-planning topic so new mayors can solve problems without guessing.

For account issues, bug reports, payment questions, or privacy requests, use the BuildCity contact page.

Contact BuildCity Support

Open a building page when you need a focused explanation of what each individual facility does, including separate small and large service buildings.

Open the full buildings reference

What is BuildCity?

BuildCity is a free browser-based 3D city builder idle game. You build a city online by placing roads, utilities, and services, then watch citizens settle in automatically, collect taxes, and grow your city over time.

Is BuildCity free to play?

Yes. BuildCity is free to play in any modern web browser. There is no purchase required to start a city, and the entire game loop including idle progress is available without payment.

Do I need to download anything to play?

No. BuildCity runs entirely in your web browser using WebGL. There is no client to install. Open buildcity.io and start building.

How do I start my first city?

Place a small road spine first, then add a power plant, water intake, and sewage facility. Connect them to your residential zone and citizens will begin moving in automatically. The How to Play guide explains the full beginner flow.

Does my city continue while I am away?

Yes. BuildCity has idle income, so taxes accumulate up to a cap while you are offline. Returning daily to collect income and reinvest into the next bottleneck is the intended pace of play.

Can I visit other players' cities?

Yes. BuildCity has public city pages, rankings, and visit features so you can browse other mayors' layouts, leave likes, and learn from successful designs as you grow your own city.

What makes BuildCity different from a simple decoration game?

BuildCity connects layout choices to city systems. Roads, utilities, public services, land value, taxes, industry, and visiting other cities all affect how efficiently a city grows.

How do roads and utilities affect city growth?

New zones need road access plus working electricity, water, and sewage coverage before citizens can settle reliably. Expanding too far without utility capacity creates growth bottlenecks.

How do taxes and land value work?

Residential neighborhoods generate taxes over time. Nearby services, parks, safety, health, education, and low pollution improve land value, which increases long-term income.