Best Oxygen Not Included Apps & Games

80+ iOS apps & games curated and reviewed

4.4 avg rating
20 free apps & games
Updated September 2026

Out of 80+ oxygen not included apps and games on iOS, 20 are free and the rest sit in the paid tier. This page sorts them so you can compare both sides before you commit.

Compare top Oxygen Not Included Apps & Games (September 2026)

#AppPriceRatingAdsIn-App PurchasesUpdated
1Fallout ShelterFallout ShelterFree4.8★ (564K)YesYesSep 2026
2WorldBox - God SandboxWorldBox - God SandboxFree4.7★ (77K)YesYesSep 2026
3Final OutpostFinal OutpostFree4.0★ (1.9K)NoYesSep 2026
4On My OwnOn My OwnFree3.6★ (607)YesYesSep 2026
5Mini DAYZ: Zombie SurvivalMini DAYZ: Zombie SurvivalFree3.8★ (6K)NoNoSep 2026
6InfectonatorInfectonatorFree4.7★ (1.9K)NoYesSep 2026
7Zero City: Zombie Shelter GameZero City: Zombie Shelter GameFree4.7★ (15K)YesYesSep 2026
8Last Day on Earth: SurvivalLast Day on Earth: SurvivalFree4.6★ (103K)YesYesSep 2026

Top Picks for Oxygen Not Included

Fallout Shelter#1

Fallout Shelter by Bethesda

Build Your Underground Vault
Editor's Choice
🎮 Games
4.8😊(564K ratings)
FreeAdsIn-App Purchases
#36in Games
Fallout Shelter screenshot 1
Fallout Shelter screenshot 2
Fallout Shelter screenshot 3
Fallout Shelter screenshot 4
Fallout Shelter screenshot 5
Fallout Shelter screenshot 6

Build and manage an underground vault in a post-apocalyptic world. Assign jobs, train dwellers, and send them on quests to explore the wasteland and gather resources. Protect your community from threats and expand your vault to ensure survival.

What We Love

  • 🚀 Great game
  • 👍 Fun and addictive
  • 👍 No ads or mandatory in-app purchases
  • 👍 Captures the Fallout feel
  • 👍 Lots of content and customization

Room to Improve

  • 🐛 Glitchy room/dweller movement
  • 🐛 Overpowered enemy attacks
  • 🐛 Repetitive gameplay after a while
  • 🐛 Difficult to manage resources long-term
  • 🐛 Limited end-game content
WorldBox - God Sandbox#2

WorldBox - God Sandbox by Maxim Karpenko

Best world building simulator!
Strong Contender
🎮 Games
4.7😊(77K ratings)
FreeAdsIn-App Purchases
#96in Games
WorldBox - God Sandbox screenshot 1
WorldBox - God Sandbox screenshot 2
WorldBox - God Sandbox screenshot 3
WorldBox - God Sandbox screenshot 4
WorldBox - God Sandbox screenshot 5
WorldBox - God Sandbox screenshot 6

Create and shape your own pixel worlds with this god simulation sandbox game. Spawn creatures, build civilizations, and unleash powerful disasters or creative tools to watch life evolve. Experiment with various powers and enjoy offline play.

What We Love

  • 🚀 Amazing game
  • 👍 Best sandbox game
  • 🚀 Highly addictive
  • 👍 Excellent simulation
  • 🚀 Constantly updated
  • 👍 Responsive developers

Room to Improve

  • 🐛 Occasional crashes
  • 🔋 Laggy with many explosives
  • 💰 Premium features too expensive
Final Outpost#3

Final Outpost by Exabyte Games Ltd

Build. Manage. Survive.
Worth Considering
🎮 Games
4.0😊(1.9K ratings)
FreeIn-App Purchases
Final Outpost screenshot 1
Final Outpost screenshot 2
Final Outpost screenshot 3
Final Outpost screenshot 4
Final Outpost screenshot 5
Final Outpost screenshot 6

Lead the last remnants of civilization to survive a zombie apocalypse. Build and manage your outpost, assign citizens to vital tasks, and craft weapons to defend against the undead. Balance resources, research, and defense to ensure your community's survival.

What We Love

  • 🚀 Great game
  • 👍 Addictive gameplay
  • 🚀 Challenging but fun
  • 👍 No ads or pay-to-win
  • 🚀 Frequent updates
  • 👍 Relaxing ambience
  • 🚀 Sophisticated concept
  • 👍 Simple but polished

Room to Improve

  • 🐛 Glitches and bugs
  • 🔍 Lack of difficulty scaling
  • 🔍 Repetitive late-game
  • 🐛 Unresponsive workers
  • 🔍 Tedious resource management
  • 🐛 Save/load issues
  • 🔍 Unskippable tutorial

More Oxygen Not Included apps to explore

FAQ about Oxygen Not Included

What are the best oxygen not included apps & games for iPhone?
Fallout Shelter tops our oxygen not included apps & games ranking as of September 2026, with a 4.8-star average from 564K App Store ratings, and it's free to download.
Yes — 20 of the top oxygen not included apps & games we rank are free to download, including Fallout Shelter and WorldBox - God Sandbox.
Fallout Shelter shows ads and offers in-app purchases, according to its App Store listing as of September 2026.
We track 80+ oxygen not included apps & games on the iOS App Store as of September 2026, ranked by rating, recency, and analysis of real user reviews.
Fallout Shelter is a base-building and post-apocalyptic simulation game where you take on the role of an Overseer. You are responsible for building and managing an underground vault, ensuring the happiness and survival of its inhabitants, known as Dwellers.
Key features include building and customizing your underground vault with various rooms, managing your Dwellers by assigning jobs and training their S.P.E.C.I.A.L. abilities, sending Dwellers on quests to explore the wasteland for loot and new recruits, and defending your vault from external and internal threats.