Best Nuclear Idle Apps & Games

250+ iOS apps & games curated and reviewed

4.6 avg rating
19 free apps & games
Updated November 2026

From beginner-friendly picks to power-user tools, our nuclear idle list covers 250+ iPhone apps and games updated through November 2026. Compare ratings, prices, and screenshots in one place.

Compare top Nuclear Idle Apps & Games (November 2026)

#AppPriceRatingAdsIn-App PurchasesUpdated
1Nuclear Tycoon: Idle ReactorNuclear Tycoon: Idle ReactorFree4.5★ (239)YesYesOct 2026
2Criticality Idle - Reactor SimCriticality Idle - Reactor SimFree—YesYesAug 2026
3Reactor 2: Idle Nuclear TycoonReactor 2: Idle Nuclear TycoonFree4.9★ (50)YesYesOct 2026
4Idle MafiaIdle MafiaFree4.8★ (110K)YesYesNov 2026
5Reactor Idle TycoonReactor Idle TycoonFree4.7★ (7.6K)YesYesNov 2026
6Last Fortress: UndergroundLast Fortress: UndergroundFree4.5★ (55K)YesYesNov 2026
7Idle Atom inc. - element mergeIdle Atom inc. - element mergeFree4.6★ (367)YesYesOct 2026
8Vault Life: Idle Shelter SimVault Life: Idle Shelter SimFree4.4★ (280)YesNoOct 2026

Top Picks for Nuclear Idle

Nuclear Tycoon: Idle Reactor#1

Nuclear Tycoon: Idle Reactor by Aliaksandr Prakarym

Nuke factory - business game
Editor's Choice
🎮 Games
4.5😞(239 ratings)
FreeAdsIn-App Purchases
Nuclear Tycoon: Idle Reactor screenshot 1
Nuclear Tycoon: Idle Reactor screenshot 2
Nuclear Tycoon: Idle Reactor screenshot 3

Build a nuclear empire by mining resources, selling them, and upgrading your facilities. Explore new territories, construct power plants, and compete with others to become the wealthiest tycoon. Excavate for valuable items and discover blueprints to enhance your business.

What We Love

  • 👍 Fun and engaging gameplay
  • 👍 Addictive and captivating
  • 👍 No ads and no donations (for some users)
  • 👍 Cool nuclear reactor theme
  • 👍 Visually pleasant
  • 👍 Good economic system
  • 👍 Few ads (for some users)
  • 👍 Hidden gem game
  • 👍 Unique and not like other games
  • 👍 Good for passing time

Room to Improve

  • anúncios Forced ads
  • anúncios Excessive ads
  • anúncios Ads appear after purchasing no ads
  • anúncios Ads interrupt gameplay
  • anúncios Ads in pop-ups and boosts
  • anúncios Ads even after paying to remove them
  • anúncios Ads are a scam
  • anúncios Too much ad content
  • anúncios Ads don't disappear after purchase
  • anúncios Ads are a rip-off
Reactor 2: Idle Nuclear Tycoon#3

Reactor 2: Idle Nuclear Tycoon by Robert Grzybek

Energy Production Simulator
Worth Considering
🎮 Games
4.9(50 ratings)
FreeAdsIn-App Purchases
Reactor 2: Idle Nuclear Tycoon screenshot 1
Reactor 2: Idle Nuclear Tycoon screenshot 2
Reactor 2: Idle Nuclear Tycoon screenshot 3
Reactor 2: Idle Nuclear Tycoon screenshot 4
Reactor 2: Idle Nuclear Tycoon screenshot 5
Reactor 2: Idle Nuclear Tycoon screenshot 6

Build and optimize an energy empire by strategically placing power-generating structures and managing heat flow. Expand your reach across islands, research advanced technologies, and watch a living city grow as you keep it powered. Enjoy idle progress with meaningful strategic depth.

More Nuclear Idle apps to explore

FAQ about Nuclear Idle

What are the best nuclear idle apps & games for iPhone?
Nuclear Tycoon: Idle Reactor tops our nuclear idle apps & games ranking as of November 2026, with a 4.5-star average from 239 App Store ratings, and it's free to download.
Yes — 19 of the top nuclear idle apps & games we rank are free to download, including Nuclear Tycoon: Idle Reactor and Criticality Idle - Reactor Sim.
Nuclear Tycoon: Idle Reactor shows ads and offers in-app purchases, according to its App Store listing as of November 2026.
We track 250+ nuclear idle apps & games on the iOS App Store as of November 2026, ranked by rating, recency, and analysis of real user reviews.