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Cosmic Synthesis: Idle Builder

Cosmic Synthesis: Idle Builder

by NETBYTE UG (haftungsbeschränkt)

15 ratings
7 reviews
With Ads
🎮 Games
🕹 Simulation
🏰 Strategy
Free
In-App PurchasesWith Ads

Details

Released
January 18, 2026
Updated
October 25, 2026

Features

Developer

NETBYTE UG (haftungsbeschränkt)
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Cosmic Synthesis: Idle Builder video #1 for iPhone
Cosmic Synthesis: Idle Builder screenshot #2 for iPhone
Cosmic Synthesis: Idle Builder screenshot #3 for iPhone
Cosmic Synthesis: Idle Builder screenshot #4 for iPhone
Cosmic Synthesis: Idle Builder screenshot #5 for iPhone
Cosmic Synthesis: Idle Builder screenshot #6 for iPhone
iphone
ipad
🧾$1.99
In-App Purchase↘︎
⭐7
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About

Build your own universe from atoms to galaxies in this idle-clicker adventure. Automate production, refine resources, and unlock cosmic milestones. The game adapts to both active strategists and idle players, offering a unique sci-fi experience.

✓Tap to generate matter
✓Automate production chains
✓Refine resources into planets
✓Unlock over 50 cosmic milestones
✓Strategic talent tree
✓Prestige system for permanent upgrades
✓Offline progression
Show original description

What's New in Cosmic Synthesis

2.3.1

October 25, 2026

* New endgame content to discover and master * Fresh startup experience with a new intro video * In-app update prompts and native review requests * New first-time player and progression events for a smoother onboarding * Fixed banner spacing on some devices * General stability and performance improvements

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Subscriptions & In-App Purchases

$1.99

Premium

AD Free

User reviews

Most RecentHighest RatedLowest Rated

App not opening

The app won’t open on iOS 27. Clicking the app to open and it flashes black for a second and goes back to the Home Screen.
BBaloobearrr

Response from developer

We apologize for the issue. Please ensure your device is running a supported iOS version. For further help, contact info@netbyte.bz with your device details.

Crashes

Newest update just crashes and never opens
RRazorsoup

Response from developer

We apologize for the crash issue. Please contact us at info@netbyte.bz with details so we can help resolve it.

Issue

There is no way to disable the auto buy once you unlock them( at least that I can find )so the atom generator outspends the matter making it impossible to have all generators running at once to progress
CCodythekidd

Response from developer

Thank you for your Report! That is actually not intended. In the upcoming Update (2.2.3) you will be able to stop the Auto-Buyers individually or all together. If you got more problems with the Game, don't hesitate to contact us: info@netbyte.bz

Unplayable

Add banner covers menu- cannot move or close, so game is unplayable.
MMathematicaliph

Response from developer

Thanks for your feedback, and sorry about the issue! The problem with the ad banner covering the game menu has been fixed in update 2.1.1. Please update to the latest version. Thanks for bringing this to our attention! If you get into another Issue, don't hesitate to contact us: info@netbyte.bz

Good!

I really like the concept and execution of this game. It's really fun and I love incremental/idle games like this! Keep working on it, it's really good!🙂 (I usually don't use emojis, so that means I really like this game if I use an emoji like that one.)
PProgamerlolxdilikeroblox

Response from developer

Thanks a lot for your wonderful feedback! Knowing that we can make a positive difference in your daily routine motivates our entire team. Enjoy!

See 2 more reviews

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FAQ

What is Cosmic Synthesis?

Cosmic Synthesis is an incremental idle-clicker game where players start with basic matter and build their way up to creating galaxies and universes. It features exponential growth mechanics and a sci-fi aesthetic.

How does offline progression work in Cosmic Synthesis?

Your universe continues to grow and generate resources even when you are not actively playing. You can return after a period of absence to find significant gains, allowing for continuous progress.

Can I reset my progress in Cosmic Synthesis?

Yes, Cosmic Synthesis features a 'Big Bang' prestige system. Triggering this reset allows you to collect Dark Energy and Singularity Points for permanent, powerful upgrades that enhance future gameplay.

Does Cosmic Synthesis have ads?

Cosmic Synthesis contains advertisements, but they are optional. Players can choose to watch rewarded ads for significant boosts, ensuring the core gameplay experience is not interrupted.

What languages does Cosmic Synthesis support?

Cosmic Synthesis is available globally and supports English, German, and Spanish. This allows a wider audience to enjoy the game's cosmic building experience.

What devices can I play Cosmic Synthesis on?

Cosmic Synthesis is designed for mobile devices and is available on iPhone, iPad, and iPod. The game's interface is optimized for these Apple platforms.

How often is Cosmic Synthesis updated?

The latest version of Cosmic Synthesis is 1.7.4, and it was last updated on May 11, 2026. This indicates a relatively active development cycle for the game.

What is the age rating for Cosmic Synthesis?

Cosmic Synthesis has an age rating of 4+. This means it is suitable for younger players and generally contains content that is appropriate for most audiences.