Diamond City: Idle Tycoon

Diamond City: Idle Tycoon

Build the city of the future!

860 ratings
226 reviews
Free
In-App PurchasesWith Ads

Details

  • Released
  • Updated
  • October 18, 2022
  • March 18, 2026

Features

Diamond City: Idle Tycoon screenshot #1 for iPhone
Diamond City: Idle Tycoon screenshot #2 for iPhone
Diamond City: Idle Tycoon screenshot #3 for iPhone
Diamond City: Idle Tycoon screenshot #4 for iPhone
Diamond City: Idle Tycoon screenshot #5 for iPhone
Diamond City: Idle Tycoon screenshot #6 for iPhone
Diamond City: Idle Tycoon screenshot #7 for iPhone
Diamond City: Idle Tycoon screenshot #8 for iPhone
Diamond City: Idle Tycoon screenshot #9 for iPhone
Diamond City: Idle Tycoon screenshot #10 for iPhone
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About

Develop a small town into a futuristic metropolis by building and upgrading amenities, optimizing visitor flow, and attracting new guests through marketing. This calm, decision-driven game lets you design your dream city with stylized 3D graphics and animations.

Build a futuristic city
Upgrade amenities
Optimize visitor flow
Design marketing campaigns
Stylized 3D graphics
Complete development tasks
Show original description

What users say

See all reviews

What's New in Diamond City

0.0.24

March 18, 2026

• Fixed some technical and functional bugs

15

In-App Purchases

$1.99

Hard pack 150

150 hard currency units

Events

Read more about Diamond Fest Island

Diamond Fest Island

Build and expand the Festive island

Jul 25, 2026 Aug 25, 2026

Read more about Diamond City Festival

Diamond City Festival

A special location with exclusive statues

Mar 19, 2026 Apr 19, 2026

Read more about Season Pass

Season Pass

Run for grant! New Season Pass is here!

Feb 5, 2024 Feb 25, 2024

User reviews

Diamond City: Idle Tycoon

Great app 💙🩵💖💜🫶🏼❤️💛💚🧡💯💕♥️🩶💗✨🩷⭐️🤍🖤🌟💞🤎

Newbie

So far it is ok

Perfect game

There is not a lot of pop up ads like other games i like when this game controls the ads and it’s relaxing aswell

Response from developer

Hi! Thanks for sharing this. We really want the game to be a comfortable space where you can just sit back and enjoy the game without constant interruptions. Knowing that you are having a peaceful and relaxing time expanding your world means a lot to the whole team. Have a wonderful week and happy playing! 😊

ありがとう😊

かわいい。ぬめぬめ
つるつるさん

Response from developer

キュートでスムーズ、そして高収益――まさに最高の組み合わせですね、ボス!💎 成長し続けるあなたの世界で、洗練されたゲームシステムを楽しんでいただけて嬉しいです。私たちはすでに次のロケーションを磨き上げ、あなたの経営体験をさらに満足のいくものにしようとしています。あなたの壮大なビジョンをsupport@mysterytag.comまでお寄せください。一緒に輝きましょう!🌟🎡

Good idle tycoon

Great game very addictive

Developer apps

User experience

🐞

Reported Bugs

4 issues

Prestige button not working

Bug

Missing features (e.g. casino)

Bug

Purchased items not received

Bug

Ads causing crashes

Bug

Requested Features

3 requests

Offline earnings

Feature

Less intrusive ads

Feature

Better customer support

Feature

FAQ

What is Diamond City: Idle Tycoon about?

This game allows you to transform a small town into a large, futuristic city. You will be responsible for developing the transportation system, building and upgrading amenities, and designing marketing campaigns to attract visitors and increase income.

What are the main features of this city builder game?

Key features include creating a futuristic city with unique amenities, making important development decisions, completing an extensive list of tasks, enjoying stylized 3D graphics, and seeing awesome animations for each building level.

Is Diamond City: Idle Tycoon free to play?

The game is free to download and play, but it does offer in-app purchases. It also includes advertisements.

Who is this game designed for?

This game is ideal for players who enjoy calm and not overly stressful games. It appeals to those who like making big decisions and building their own dream city.

How do I attract more visitors to my city?

You can attract more visitors by designing effective marketing campaigns. The more visitors you attract, the more income your city will generate, allowing for further development and upgrades.