# Merge Towers — The Hardest Tower Defense Game

> Merge and upgrade towers with runes for challenging offline/online tower defense. (iPhone/iPad app by Derrick Heemskerk.)

- Source: https://appshunter.io/ios/app/merge-towers/id1446778982 (this page in markdown: same URL + `.md`)
- Developer: [Derrick Heemskerk](https://appshunter.io/developer/690326074)
- Category: Games, Casual, Strategy
- Price: Free with in-app purchases
- Age rating: 12+
- Requires: iOS 9.0 · 174 MB
- Languages: English
- Released: 2019-08-29
- Data updated: 2026-06-10
- Monetization: free with in-app purchases
- User reviews in markdown: https://appshunter.io/ios/app/merge-towers/id1446778982/reviews.md

## What is Merge Towers?

Your castle is under attack!!! Buy, merge and arrange your towers to defend against waves of bloodthirsty enemies. Give your towers super powers by adding ice, fire, lightning, poison runes and many more! 

Features:
- 3 Difficulty settings
- 12 different types of Runes
- Combine runes to make powerful synergies
- 25 unique towers
- Defeat waves of soldiers, archers, ninjas and even giants!
- Focus fire by clicking on individual enemies
- Move towers with ease
- Earn gold by defeating enemies
- No connection needed! Play offline or online.

Quite possibly the world's hardest mobile tower defense game!

## Key features

- Buy, merge, and arrange towers
- Enhance towers with ice, fire, lightning, poison runes
- 25 unique tower types
- 3 difficulty settings
- Defeat diverse enemy types
- Offline and online play

## Pricing and in-app purchases

Base price: Free.

**One-time purchases**

| Purchase | Price | Type |
| --- | --- | --- |
| Bigger rewards | $1.99 | one-time |
| More mystery crates | $1.99 | one-time |
| Less taps | $1.99 | one-time |
| No Ads | $1.99 | one-time |
| Ressurection rune | Free | one-time |
| Unlock Armageddon | Free | one-time |
| Crit rune | Free | one-time |


## Recent user reviews (1 of 1)

All indexed reviews: https://appshunter.io/ios/app/merge-towers/id1446778982/reviews.md

### 5/5 — Great game!

*2019-11-27*

Great and challenging TD game. Highly recommended.

## Frequently asked questions about Merge Towers

### What is the main goal of Merge Towers?

The main goal of Merge Towers is to defend your castle from waves of enemies by strategically buying, merging, and arranging towers. You can enhance your towers with various runes to create powerful synergies and overcome increasingly difficult challenges.

### Can I play Merge Towers offline?

Yes, Merge Towers can be played offline. The game explicitly states 'No connection needed! Play offline or online,' making it accessible even without an internet connection.

### How does the rune system work in Merge Towers?

The rune system in Merge Towers allows you to give your towers super powers. You can add runes like ice, fire, lightning, and poison, and combine them to create powerful synergies that enhance your defensive capabilities against enemies.

### What are the difficulty settings in Merge Towers?

Merge Towers offers 3 difficulty settings. This allows players to choose a challenge level that suits their skill and preference, from a more relaxed experience to the 'world's hardest mobile tower defense game'.

### Does Merge Towers have ads?

No, Merge Towers does not contain advertisements. The app's data indicates 'hasAds' is false, meaning you can enjoy the game without interruptions from ads.

### What devices is Merge Towers available on?

Merge Towers is supported on iPhone, iPad, and iPod. This indicates broad compatibility within the Apple ecosystem for mobile devices.

### How often is Merge Towers updated?

Merge Towers was last updated on November 19, 2019, with version 5.4. The initial release date was August 29, 2019. This suggests a development cycle that may vary in frequency.

### What age rating does Merge Towers have?

Merge Towers has an age rating of 12+. This rating is based on the game's content, which may include fantasy violence and other elements suitable for users aged 12 and above.

## Version history (last 5 releases)

### 5.4 — 2019-11-19

Added SDK integration for Appsflyer ad tracking.

### 5 — 2019-10-07

Updated Game Center icon and link

### 4.6 — 2019-09-19

Added Easy, Medium and Hard scores for the home screen.

### 4.5 — 2019-08-27

We change ad providers because we were having trouble with ads displaying for all apple devices.

### 1.0 — 2019-08-14

No release notes.

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## More apps by Derrick Heemskerk

- [The Great Zoo Escape](https://appshunter.io/ios/app/the-great-zoo-escape/id690326071)
- [The Great Zoo Escape 2](https://appshunter.io/ios/app/the-great-zoo-escape-2/id1326864243)
- [solesurvivor.io](https://appshunter.io/ios/app/solesurvivorio/id1493964200)

All apps by Derrick Heemskerk: https://appshunter.io/developer/690326074

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*Data collected daily from the US App Store and indexed by [AppsHunter](https://appshunter.io/). User reviews are verbatim App Store reviews. Ratings, prices and chart positions refresh continuously; this snapshot is from 2026-06-10.*