Reactor - Energy Sector Tycoon official icon

Reactor - Energy Sector Tycoon

By Robert Grzybek · iPhone · iPad

4.8 (817)4+FreeAvailable now

Do you want to create your own reactor and generate energy for an entire country? Or maybe you want to harness the electric power and sell it for a profit? Reactor allows you to do that and so much more in one of the most intense and one of a kind strategy games that you have ever played. The premise in Reactor is very simple, you have to create po

KR
TAKE A LOOK AROUND

Inside the game.

Official screenshots supplied through Apple. Artwork belongs to the respective developer. Download on theApp Store ↗

FIND YOUR KIND OF PLAY

Before you play.

Game style
Simulation · Strategy
Platforms
iPhone · iPad
Languages
EN, FR, DE, JA, KO, ZH, ES, ZH
Download size
138 MB (store snapshot)

Check the official page for current availability, supported devices and any in-game purchases.

ANSWERS FOR YOUR FIRST SESSION

Reactor - Energy Sector Tycoon gameplay guide and player questions

App Store edition · Researched Nov 9, 2026 · Guide updated Nov 9, 2026.

Our guidance

How do I begin my energy business in the game?

You should start your first session by building small wind turbines. These provide enough initial electricity to get your business operations going before you expand into more advanced power generation methods and infrastructure.

Based on source 1.

Source facts

What is the primary goal when managing power plants?

Your main objective is to generate as much electricity and heat as possible. You must balance this production by keeping everything under control to successfully convert your energy output into significant financial profit.

Based on source 1.

Source facts

Are there different types of reactors I can build?

Yes, once you progress, you gain the ability to construct your own reactors. You can choose between nuclear, thermonuclear, or fusion reactor types, which are essential for maximizing your energy production and financial returns.

Based on source 1.

Our guidance

What is the risk associated with using reactors?

While reactors offer the best return on investment, they are less stable than other power sources. You must actively manage the heat levels, as reactors can easily become unstable if they are not monitored correctly.

Based on source 1.

Source facts

How does the idle mechanic function?

The game features an idling mechanic that allows your resource production to continue even when you are offline. This ensures your business keeps generating money and resources while you are away from the game.

Based on source 1.

Our guidance

What are the different strategies for making money?

You can choose to play it safe by running a business that generates smaller but stable amounts of money, or you can pursue riskier methods that offer a significantly better return on your investment.

Based on source 1.

Source facts

How many maps are available to play?

There are more than 10 maps available to unlock and play. You start with the first map for free, and you must unlock the remaining maps as you progress through the game's strategy challenges.

Based on source 1.

Source facts

What types of buildings can I add to my setup?

Beyond wind turbines, you can expand your operations by adding offices, solar panels, generators, and coal burners. These various buildings are essential for scaling your production and achieving a stellar result.

Based on source 1.

Our guidance

Is there a way to improve my power plants?

Yes, the game features a stellar research system and multiple upgrades that you can choose from. These tools are designed to help you improve your efficiency and reach your long-term energy production goals.

Based on source 1.

Source facts

What is the difficulty curve like for this game?

The game is designed to be complex, yet it remains easy to learn and hard to master. You will need to keep a close eye on your mechanics and choices to ensure everything stays under control.

Based on source 1.

Sources & scope

  1. Publisher description on the KR App Store ↗Checked Nov 9, 2026

AI-assisted research with automated evidence and consistency checks. Good Game Daily organizes publisher information into practical answers. Guidance is an editorial interpretation of those sources. These notes are based on source research rather than a firsthand playtest; editions and later updates may differ.

FIND YOUR FIT

Is this your kind of game?

  • Explore simulation / strategy gameplay

Based on listed game features. This is not a firsthand review. Check the publisher’s listing ↗

Before your first session

  • Check that your Apple device runs iOS 13.0 or later.

What’s new in 1.77.01.

Bug fix - not every UI window opens correctly

Release notes supplied by the developer through the App Store.

About Reactor - Energy Sector Tycoon

Developer description, as provided in the original store listing.

Do you want to create your own reactor and generate energy for an entire country? Or maybe you want to harness the electric power and sell it for a profit? Reactor allows you to do that and so much more in one of the most intense and one of a kind strategy games that you have ever played.
The premise in Reactor is very simple, you have to create power plants and generate as much electricity and heat as possible all while keeping everything under control and converting it into a lot of money. You will have to start off easy, with the help of small wind turbines that will generate a little electricity, enough to get your business going.
Then you have to focus on getting stuff like offices and more turbines, solar panels, generators, coal burners, and in the end you will have the ability to create your own reactor, be it a nuclear, thermonuclear or fusion reactor, something that is very important to keep an eye on. Reactors are by far the best if you want a great return on investment but they are also the less stable and you have to manage heat as they can easily become unstable.
With more than 10 maps to unlock and play, you will always have your hands full as you will try to figure out the best way to make insane profits and obtain a stellar result. You can play it safe and run a business that brings less but stable amounts of money, or you can check out alternative methods that are riskier but with a better return on investment.
Reactor is an astounding idle game, one that manages to bring in front extraordinary gameplay moments and stunning opportunities. It’s very fun to play and you can easily use it as an idle game, because resource production will take place even as you go away, which is even more exciting.
In Reactor you have all the power in your hands and it all comes down to you to make the right choice and take this one of a kind gameplay mechanic to new heights. With incredibly fun gameplay, nice mechanics and interesting choices, Reactor is the ultimate game that you want to play. A sheer combination of strategy, idle gaming and perfect unlock system, Reactor will help you spend your time wisely with amazing moments and a stellar outcome.
Features:
• Multiple buildings to choose from
• A complex game that’s easy to learn and hard to master
• Idling mechanic that allows you to earn resources even if you are offline
• You have the first map for free, the others need to be unlocked
• Multiple upgrades to choose from
• Interesting gameplay mechanics that you have to keep an eye on at all costs
• Stellar research system

Good to know.

Developer
Robert Grzybek
Release date
Mar 4, 2016
Latest version
1.77.01
Requires
iOS 13.0 or later
Price snapshot
Free KRW
Source checked
Nov 9, 2026

Apple App Store lookup ↗ · Store ratings, prices, and availability can change. Check the App Store for your region.

A few quick answers.

Is Reactor - Energy Sector Tycoon available on iPhone?

Reactor - Energy Sector Tycoon is listed on the KR App Store. Availability varies by region and compatible device.

Is Reactor - Energy Sector Tycoon free?

The recorded download price is free. In-app purchases, subscriptions, or additional content may cost extra. Source checked Nov 9, 2026.

How is the game’s social activity measured?

Good Game Daily compares available samples of recent game mentions with the preceding 24-hour window. Coverage and source failures are disclosed. Read the methodology.

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