Screenshots
About this game
Diamond City: Idle Tycoon is a solo, portrait-oriented idle game where players build and manage a city. The core mechanic involves tapping and upgrading various businesses to generate passive income. Its appeal lies in its low cognitive load and high replayability, allowing for short, interruptible play sessions.
What players say
Themes from 200 recent Google Play reviews, analysed 28 Aug 2026
Praised
Fun & addictive41
Complained about
Bugs & crashes37Too many ads22Updates11
Worth knowing. We tag this as fair freemium, but 0 of 200 recent reviewers disagreed and in-app purchases run to $99.99. Worth a look before you commit.
Why we tagged it this way
What each behavioural tag is based on
- Short sessionsRuns are self-contained, so stopping early costs you nothing.
- InterruptiblePut it down mid-session and pick it up cold.
- One-handedPlayable with a thumb, in portrait.
- Plays offlineNo connection needed once installed.
- No energy timersNothing caps how long you can play.
- Sound optionalNo audio cue carries information — fine on mute.
- Low focusPlayable while half-distracted.
Commute
Short, interruptible sessions
Flight
Plays fully offline
In bed
Works muted, one-handed
With friends
Solo only, no multiplayer
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👍
One Thumb
The other hand is busy.
👶
New Parent Approved
The only 5 minutes that are yours.
✈️
Fully Offline
Works anywhere. Yes, anywhere.
⚡
No Energy Timers
Play as long as you want.
💨
Quick Fire
In and out. Like a pro.
🧠
Brain Off
No thinking required.
🔕
Offline & Ad-Free
No signal, no interruptions.
📈
Idle & Incremental
Numbers go up. You barely lift a finger.
What it costs
| Download | Free |
| In-app purchases | $1.99 - $99.99 |
| Ads | None |
| Energy timers | None |
From the Google Play listing.
Tags
ReplayabilityHigh
StoryNo Story
SocialSolo
DifficultyNormal
GrindMedium
Brain PowerMindless
Story depthNone
PriceFreemium-Fair
PauseableHigh
VibeMindless
OrientationPortrait
RatingEveryone
DeviceStandard
ProgressionIdle
Has ending?Endless
MultiplayerSolo-Only
GenreArcadeArcade Clicker
✈️ Offline play👍 One-handed🔇 Mute-friendly⚡ No energy timers👶 Parent-friendly
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