Last Fortress: Underground in IOS

Zombie alert! Go underground!

Walkthrough, Guilds, Tips on this special game

Our Site Score

81/100

Last Fortress: Underground is a compelling mix of Fallout Shelter-style base management and a modern mobile 4X strategy game. The 'ant farm' view of your bunker is incredibly detailed; watching your survivors move between the generator, the kitchen, and the laboratory makes the base feel alive. The transition from the underground management to the overworld exploration provides a nice change of pace.

The game excels at making you care about your 'Heroes.' Each survivor has a specific role, and building the right team for scavenging runs is vital. While the late-game does lean into the typical social/alliance warfare seen in games like Rise of Kingdoms, the early to mid-game survival management is some of the best in the genre. It captures that desperate 'one more resource' feeling perfectly.

Reviewed on: Thu Feb 26 2026
Dinsun Avatar

Dinsun Review

Last Fortress: Underground starts with a decent premise—building a fallout-style vault and managing survivors. The cross-section view of the base is visually engaging, and for the first hour, you feel like a commander. Then the 'timer wall' hits. Everything in this game is designed to slow you down until you pay to speed it up. It’s less of a game and more of a spreadsheet management simulator where the cells cost five dollars to unlock.

The 'strategy' is mostly just keeping up with the power creep of other players in your alliance. The zombie combat is largely automated and lacks the tactical depth found in actual strategy classics. While the character designs are diverse, they are ultimately just stat blocks to be leveled up with increasingly rare resources. It's a shame because the production values are higher than average for this genre, but the soul-crushing monetization ruins any potential for a genuine experience.

Overall Stats

Pros & Cons

  • High-quality base-building graphics
  • Interesting variety of survivor roles
  • Engaging early-game progression
  • Aggressive pay-to-win mechanics
  • Heavily reliant on repetitive daily tasks
  • Generic 'zombie apocalypse' setting

Technical Report

Performance: Occasional lag during large-scale alliance events; significant battery drain.

Accessibility:
  • Text Chat Translation
  • Guild-based support

Audience Fit

Buy if: You enjoy long-term social games and have a large budget for in-app purchases.

Skip if: You want a fair, skill-based strategy game that respects your time.

Similar Games:
  • Fallout Shelter
  • State of Survival
  • Rise of Kingdoms

Reviewer Context

  • Reviewer: Dinsun
  • Hardware: iPad Pro M2
  • Playtime: 25 hours
  • Status: Reached Level 15 Headquarters

The Game

Available on: iPhone, iPad, iPod

Version 26.0303.001Mon Mar 30 2026

This update from Apple will improve the functionality of this app. No new features are included.

Regular improvements and patches


Castle, the largest community of survivors, has fallen.

Once a beacon of hope in the post-apocalypse, it now shares the same fate as the rest. Amidst the chaos, a small group of survivors managed to escape into the barren wilderness.

You are the Commander of these survivors. While escaping the zombie horde that utterly destroyed your last sanctuary, you come across a strange building jutting out from the ground. Low on supplies and left with little options, you decide to take refuge in this building. So begins your campaign of survival in this zombie-infested world.

【BUILD & CUSTOMIZE YOUR SHELTER】

Expand your shelter with numerous facilities such as the Satellite Nexus, Power Generators, the Mission Control, etc. Design the shelter’s layout whichever way you like!

【HEROES AND SURVIVORS】

Every hero and survivor possesses special life skills that helped them survive in the apocalypse. From chefs, doctors, and engineers to scientists, miners, and soldiers, it’s up to you to effectively utilize their skills!

【TEAM COMPOSITION AND SYNERGY】

Assemble a diverse team of heroes, each with their unique personalities and abilities. Formulate your favorite team combination to help you conquer even the most daunting of situations.

【VENTURE INTO THE WILD】

Journey outside the shelter and scavenge for valuable resources in the wastelands.

Set up camps to act as forward operating bases and resource points. But be on guard! Zombies could attack at any moment!

【ESTABLISH ALLIANCES WITH FRIENDS】

Fighting alone is hard, so why not fight alongside friends? Join or create an Alliance and exterminate those pesky zombies with allies! Assist allies by accelerating each other’s constructions and tech researches.

It’s a win-win situation either way! It's all or nothing now! Go forth, Commander, and embark on your adventure!


Requires iOS 11.0 or later. Compatible with iPhone, iPad, and iPod touch.

Build and expand your underground fortress to survive the zombie apocalypse!

Castle, the largest community of survivors, has fallen.

Once a beacon of hope in the post-apocalypse, it now shares the same fate as the rest. Amidst the chaos, a small group of survivors managed to escape into the barren wilderness.

You are the Commander of these survivors. While escaping the zombie horde that utterly destroyed your last sanctuary, you come across a strange building jutting out from the ground. Low on supplies and left with little options, you decide to take refuge in this building. So begins your campaign of survival in this zombie-infested world.

【BUILD & CUSTOMIZE YOUR SHELTER】

Expand your shelter with numerous facilities such as the Satellite Nexus, Power Generators, the Mission Control, etc. Design the shelter’s layout whichever way you like!

【HEROES AND SURVIVORS】

Every hero and survivor possesses special life skills that helped them survive in the apocalypse. From chefs, doctors, and engineers to scientists, miners, and soldiers, it’s up to you to effectively utilize their skills!

【TEAM COMPOSITION AND SYNERGY】

Assemble a diverse team of heroes, each with their unique personalities and abilities. Formulate your favorite team combination to help you conquer even the most daunting of situations.

【VENTURE INTO THE WILD】

Journey outside the shelter and scavenge for valuable resources in the wastelands.

Set up camps to act as forward operating bases and resource points. But be on guard! Zombies could attack at any moment!

【ESTABLISH ALLIANCES WITH FRIENDS】

Fighting alone is hard, so why not fight alongside friends? Join or create an Alliance and exterminate those pesky zombies with allies! Assist allies by accelerating each other’s constructions and tech researches.

It’s a win-win situation either way! It's all or nothing now! Go forth, Commander, and embark on your adventure!


Ratings & Reviews

4.5 out of 5 with 54616 Counts
Age Rating 18+

Screenshots

Last Fortress: Underground screenshot 1Last Fortress: Underground screenshot 2Last Fortress: Underground screenshot 3Last Fortress: Underground screenshot 4Last Fortress: Underground screenshot 5Last Fortress: Underground screenshot 6Last Fortress: Underground screenshot 7Last Fortress: Underground screenshot 8Last Fortress: Underground screenshot 9Last Fortress: Underground screenshot 10Last Fortress: Underground screenshot 11Last Fortress: Underground screenshot 12Last Fortress: Underground screenshot 13Last Fortress: Underground screenshot 14

Take command of the last bastion of humanity. In Last Fortress: Underground, you must dig deep to expand your bunker, assign survivors to vital roles, and develop technology to survive the zombie apocalypse. Explore the overworld map to rescue others and scavenge for supplies, all while forging alliances with other players to dominate the wasteland.

Features

1

Detailed bunker building

2

Hero collection and leveling

3

Alliance-based warfare

4

Strategic resource management

5

Explorable wasteland map

Tips

Promotion Videos

Finally, We Get it! | Last Fortress Underground � Android iOS - YouTube

Related Videos

News on this game

Top 5 Apocalypse Games on iOS in the US: Q2 2024

The top 5 apocalypse games on iOS in the United States showed varied performance trends in terms of downloads, revenue, and weekly active users.

Sensor Tower - Thu Aug 29 2024

Last Fortress: Underground Is A Life Simulator Home Management Sim Set In The Zombie Apocalypse

IM30, Life Is A Game Limited, has released a new strategy mobile game, Last Fortress: Underground. In Last Fortress: Underground,...

GameSpot - Mon Aug 29 2022

Last Fortress: Underground by IM30

Castle, the largest community of survivors, has fallen. Once a beacon of hope in the post-apocalypse, it now shares the same fate as the rest.

AppAdvice - Fri Jul 29 2022

Gameplays

Q&A

You can recruit survivors through the Radio Station or by completing specific story missions and rescue operations on the world map.

More by Developer

You Might Also Like

All Categories

Puzzle Game

Action Game

Simulation Game

Casual Game

Adventure Game

Card Game

Roleplaying Game

Board Game

Sports Game

Strategy Game

Racing Game

Family Game

Casino Game

Music Game

Word Game

Trivia Game

Education Game

Games Game

Entertainment Game

Utilities Game

Social Networking Game

Books Game

Health & Fitness Game

Lifestyle Game