City Island 3 - Sim Builder icon

7.6 33 Reviews


3.6.0


February 24, 2026

About City Island 3 - Sim Builder

Build, expand and manage a dream archipelago in City Island 3 - Building Sim Offline, a popular city-building simulation where villages grow into thriving metropolises. Designed for fans of island city builder sim games, this engaging management experience begins on a single exotic island and evolves into a vast мегapolis filled with towering skylines, bustling transport systems, and happy citizens.

Build and Design Without Limits

Create and decorate stunning islands using more than 300 unique buildings and decorative items. Design villages, townships, compounds, and massive cities exactly as envisioned. Place parks, trees, railways with trains, boats, rivers, walking paths, and community buildings to craft a vibrant skyline full of life.

Strategic City Management

Success depends on careful balance. Manage citizens, provide jobs, and maintain happiness levels to ensure steady growth. Happy residents generate income through commercial buildings, allowing reinvestment into infrastructure and expansion. Upgrade structures, collect profits, and optimize layout efficiency to maximize rewards.

Explore a Diverse Archipelago

Unlock and build across multiple exotic islands including tourist beaches, volcano landscapes, deserts, and swamps. Each environment adds visual variety and fresh development possibilities. Expand territory over land and sea to create space for new buildings and advanced transport systems.

Rewards, Quests and Progression

Engage in fun quests provided by citizens and earn valuable rewards. Discover pirate chests filled with treasure, collect gold and cash, and gather XP to level up. Unlock new buildings and construction options as progress continues. Achievements and challenges add depth and long-term goals to the experience.

Offline and Online Gameplay

Play anytime with full offline support or connect online for additional engagement. The intuitive mechanics make it easy for beginners while offering enough strategic depth for experienced city-building enthusiasts.

High-Quality Visuals and Smooth Performance

Enjoy high-quality graphics optimized for both phones and tablets. Construction can be sped up, upgrades completed efficiently, and cities expanded seamlessly with smooth gameplay performance.

Free-to-Play Tycoon Experience

This free-to-play city-building tycoon game offers many hours of entertainment. Collect dozens of rewards, unlock transport to new islands, and gradually transform a small settlement into a booming мегapolis filled with tall buildings and thriving communities.

FAQs

Q1: Can City Island 3 - Building Sim Offline be played without an internet connection?

Yes, the game can be played fully offline, while also offering online functionality for additional engagement.

Q2: How does progression work in the game?

Players start with a single house, expand into a village, grow into a city, and eventually develop a мегapolis by earning XP, unlocking buildings, and completing quests.

Q3: What types of islands can be unlocked?

The game features exotic tourist islands, volcano islands, swamps, deserts, and more within a diverse archipelago.

Q4: How are citizens kept happy?

Happiness is maintained by providing jobs, parks, decorations, transport systems, and community buildings while balancing population growth.

Q5: Is City Island 3 suitable for beginners?

Yes, the intuitive gameplay makes it easy to start, while strategic management elements provide depth for experienced city-building fans.

Version History

v3.6.0—1 Feb, 2024

Some background tinkering so you keep enjoying the game to the fullest!

v3.5.3—25 Sep, 2023

Some background tinkering so you keep enjoying the game to the fullest!

v3.5.2—8 May, 2023

3.5.2

You just focus on enjoying the game

We'll continue to improve your experience

3.2.2

We lowered the gold price of instant construction on most buildings

3.1.1

Improved the island loading times which could be really, really long on certain devices

3.1.0

Daily rewards now contain gold more often and the amounts has also has been increased a little

You can now DOUBLE your daily reward by a watching a video

Additional APP Information

Latest Version

Request City Island 3 - Sim Builder Update 3.6.0

Uploaded by

Sparkling Society - Build Town City Building Games

Requires Android

Android 9.0+

Available on

City Island 3 - Sim Builder on Google Play

Category

Simulation

Last Updated

February 24, 2026

City Island 3 - Sim Builder Screenshots