Reactor - Energy Sector Tycoon

Name: Reactor - Energy Sector Tycoon
Author: RSGapps - Idle Tycoon Games

1.72.65

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RSGapps - Idle Tycoon Games

4.465M+ installs

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Manage your own Power Plants Business! Build Idle Tycoon Energy Sector Industry

Reactor - Energy Sector Tycoon: idle nuclear plant game

By Priya Raghavan

Senior reviews editor

Build nuclear power plants and sell the energy they produce
Heat has to be converted to energy or the plant explodes
Upgrade plants to push output higher over time
Energy network built out across your city
Idle profit combined with clicker-style play for cash
Pixel-art graphics in a simulation rated 3+

What this nuclear energy tycoon game is

Reactor - Energy Sector Tycoon is a simulation game in which you run a nuclear energy company. You build power plants, produce electricity, and sell it to grow your cash and your business. The game is drawn in pixel art and is listed on Google Play with more than 5,000,000 installs.

It suits players who like idle and clicker games with a business angle, where the goal is to scale a company from a single plant into a larger energy operation. The game is rated 3+ on Google Play.

Building plants and managing heat

Each power plant produces heat, and the game requires you to manage that heat and convert it into energy. If the heat is not handled, the plant explodes. This is the core tension of the run: output depends on keeping the reactor under control rather than simply building more units.

The developer lists the plants themselves as specialized, so each one is a separate building you place and run as part of your company.

Upgrading plants and growing the city grid

You can upgrade existing power plants to improve what they produce. Over time these upgrades are the main way the operation scales, alongside adding new plants.

The listing also describes building an energy ecosystem for your city, so the network you create extends beyond a single facility into the surrounding area.

Selling energy and earning cash

Energy you produce is sold for cash, and that cash is what funds new plants and upgrades. The game is framed as an idle economy, where profit is a central resource, and it also includes clicker elements for players who want to tap for extra progress.

The stated goal is to earn as much money as possible and reach the status of a billionaire. The listing presents this as a long-term target rather than a single unlock.

What's new

Jul 20, 2026

• Cloud Save is working again.
• Unfortunately, we couldn’t recover the old cloud saves. We’re very sorry.

About this APK

The build we hold is Reactor - Energy Sector Tycoon 1.72.65 (APKS split bundle) for Android 7.1 and up.

Version: 1.72.65; 298
Requires Android: 7.1+
Size: 79 MB

Package ID: com.rsgapps.reactor
Format: APKS split bundle
Malware scan: Google Play Protect
Permissions: 15 declared
Signed by: CN=Android, O=Google Inc.
Certificate SHA-256: 46994edb7365ec51fc2f7566a4747c75009a157c4b12d35ac7bef80e05e17e14