Reactor 2: Nuclear Tycoon

Energy Empire & City Builder

Expected Jul 16, 2026 · Free · In‑App Purchases

The nuclear idle tycoon is back! Build wind, nuclear & fusion plants, master heat, and grow an energy empire that runs offline. Free to play. The nuclear idle tycoon simulator is back — and it's free. Build your own power company from the ground up. Manage heat, optimize production, and grow a massive energy empire. In Reactor 2, you don't just construct power plants — you power an entire evolving city. Master the system, discover your best strategy, and scale your profits to become a true industrial billionaire. BUILD, POWER, AND EXPAND Start small with basic wind turbines and grow into a high-efficiency nuclear power network. Your mission is simple — supply energy to the city. Your challenge? Control the heat. • Produce heat with diverse power sources • Convert heat into electricity for the city • Cool your systems to avoid production shutdowns Balance everything perfectly to achieve maximum efficiency. RELAXED STRATEGY, NO PUNISHMENT Reactor 2 is an idle clicker game built for thinkers, not masochists. Your reactors never explode or reset your progress — they simply pause and cool down. This creates a no-loss, strategy-first experience where you experiment, optimize, and build at your own pace. RESEARCH THE FUTURE Unlock dozens of technologies and push your power empire forward. • Renewables: Solar, Wind, Hydro, Tidal • Advanced Tech: Nuclear, Fusion, Arc Reactors • Sci-Fi Tier: Antimatter, Black Hole Reactors, HyperSpace Core Every upgrade deepens your strategy and multiplies your profits. WHY YOU'LL LOVE REACTOR 2 • Idle gameplay — earn offline, even when the app is closed • Deep resource management, no internet required • Expand your power grid across unique islands • Complete quests, chapters, and story-driven challenges • Free to play — download and start building today NEW IN THE SEQUEL • A living city that grows with your energy output • Advanced quest system with chapters and rewards • Crafted by an indie team — refined pixel art and smoother performance Reactor 2 is the ultimate offline idle simulation game — nuclear strategy, construction management, and tycoon gameplay in one free pixelated package. Build smarter. Optimize harder. Watch your empire grow. Download Reactor 2 free — your nuclear tycoon journey starts today. Terms of Service: https://www.apple.com/legal/internet-services/itunes/dev/stdeula/ Privacy Policy: https://rsgapps.com/privacypolicy.htm

The developer, Robert Grzybek, indicated that the app’s privacy practices may include handling of data as described below. For more information, see the developer’s privacy policy .

  • Data Used to Track You

    The following data may be used to track you across apps and websites owned by other companies:

    • Location
    • Identifiers
    • Usage Data

  • Data Linked to You

    The following data may be collected and linked to your identity:

    • Purchases
    • Location
    • Identifiers
    • Usage Data

  • Data Not Linked to You

    The following data may be collected but it is not linked to your identity:

    • Usage Data
    • Diagnostics

Privacy practices may vary, for example, based on the features you use or your age. Learn More

Accessibility

The developer has not yet indicated which accessibility features this app supports. Learn More

Information

Seller
  • Robert Grzybek
Size
  • 237.7 MB
Category
  • Strategy
Compatibility
Requires iOS 15.0 or later.
  • iPhone
    Requires iOS 15.0 or later.
  • iPad
    Requires iPadOS 15.0 or later.
  • iPod touch
    Requires iOS 15.0 or later.
  • Mac
    Requires macOS 12.0 or later and a Mac with Apple M1 chip or later.
  • Apple Vision
    Requires visionOS 1.0 or later.
Languages
English and 23 more
  • English, Czech, Danish, Dutch, Finnish, French, German, Indonesian, Italian, Japanese, Korean, Malay, Norwegian Bokmål, Polish, Portuguese, Russian, Simplified Chinese, Slovak, Spanish, Swedish, Traditional Chinese, Turkish, Ukrainian, Vietnamese
Age Rating
4+
In-App Purchases
Yes
  • Offer #30 $29.99
  • x3 Rush Hour (Forever) $34.99
  • x2 Rush Hour (Forever) $17.99
  • VIP Access Weekly $2.99
  • Offer #25 $24.99
  • Offer #24 $23.99
  • Offer #16 $14.99
  • 1375 Radioactive Coins $4.99
  • 2875 Radioactive Coins $9.99
  • 6000 Radioactive Coins $19.99
  • Learn More
Copyright
  • © Robert Grzybek RSG
  • Privacy Policy

    • Supports

    • Game Center

      Discover new games and play with friends. This game also features leaderboards and achievements.

    More by Robert Grzybek