# Merge Tactics: Castle Defense — Merge TD - Block the Invaders

> Strategic tower defense game with block merging and castle growth mechanics. (iPhone/iPad app by LoadComplete Co., Ltd.)

- Source: https://appshunter.io/ios/app/merge-tactics-castle-defense/id1503144269 (this page in markdown: same URL + `.md`)
- Developer: [LoadComplete Co., Ltd](https://appshunter.io/developer/391324922)
- Category: Games, Board, Strategy
- Price: Free with in-app purchases
- Rating: 4.70/5 from 891 App Store ratings · 582 written reviews indexed
- Age rating: 9+
- Requires: iOS 15.0 · 196 MB
- Languages: American English, French (France), German (Germany), Japanese, Korean, European Portuguese, Russian, European Spanish, Chinese (Traditional, Taiwan)
- Released: 2020-10-13
- Data updated: 2026-09-01
- Monetization: free with in-app purchases
- User reviews in markdown: https://appshunter.io/ios/app/merge-tactics-castle-defense/id1503144269/reviews.md

## What is Merge Tactics?

Merge Tactics is a unique tower defense game filled with elements of growth, strategy, and challenge.
It lets you place blocks wherever you want, based on whatever fighting strategy you use.


Game Features:

Create Your Own Battle Decks and Strategies
- You need different decks and strategies to effectively deal with the various invaders that attack your forces. 
- Every time you clear a wave, you'll get to expand your territory on the battlefield and employ even more diverse tower defense strategies.

Combine Blocks into More Powerful Units
- In this game, one can be stronger than two—even three! Merge your blocks on the battlefield whenever you can to create formidable troops.

Collect Blocks of Various Kinds
- Collect blocks of different types—Melee, Ranged, Support, etc.—to create unique decks and try out various fighting styles.

Grow Your Castle and Characters with Gold and Artifacts from Battles
- Grow your castle and characters to unlock new skills and get special loot rewards.

Experience this brand new td game, Merge Tactics!

※ Note: Merge Tactics is free to play, but you can buy certain items with cash to enhance your experience. 
If you don't want to use the In-app Purchase feature, you can always disable it on your device's Settings menu.

## Key features

- Strategic block placement
- Merge blocks into powerful units
- Create custom battle decks
- Expand battlefield territory
- Collect diverse block types
- Grow castle and characters

## Pricing and in-app purchases

Base price: Free.

**One-time purchases**

| Purchase | Price | Type |
| --- | --- | --- |
| Special Price Package | $4.99 | one-time |
| Gem Mine Package | $9.99 | one-time |
| Starter Package | $1.99 | one-time |
| Safe Package | $19.99 | one-time |
| Honor Package | $6.99 | one-time |
| Equipment Package | $4.99 | one-time |
| Premium Pass | $7.99 | one-time |
| Gold Package | $2.99 | one-time |
| Commander Growth Package | $1.99 | one-time |
| Commander Equipment Package | $4.99 | one-time |
| Block Growth Package | $2.99 | one-time |
| Legendary Block Package | $7.99 | one-time |
| Remove Ads (3d) | $2.99 | one-time |


## What do users think of Merge Tactics?

Overall sentiment: positive

**Pros**

- 🚀 Fun game
- 👍 Enjoyable gameplay
- 💡 Unique strategy elements
- 👍 Charming visuals
- 👍 Good balance of difficulty
- 👍 Generous with rewards
- 👍 Not overly monetized

**Cons**

- 🐛 Occasional bugs and crashes
- 🔊 Lack of sound options
- 🕰️ Slow progression without paying
- 🕰️ Repetitive gameplay over time

**Commonly reported bugs**

- Ads not working properly
- Sync issues with cloud saves
- Freezing on certain devices

**Most requested features**

- More frequent updates
- Endless mode
- More commander/unit variety
- Improved tutorial and onboarding

## Recent user reviews (10 of 582)

All indexed reviews: https://appshunter.io/ios/app/merge-tactics-castle-defense/id1503144269/reviews.md

### 5/5 — 考完

*2026-06-02, version 1.8.3*

哈哈哈哈哈哈

### 5/5 — コード良かったらお願いします〜

*2026-03-15*

QRN8J

### 1/5 — Complete forced garbage

*2026-03-06, version 1.8.3*

As soon as I downloaded the game I opened it 
As i did it started yapping game music and sound effects 
I tried turning the volume off and theres no volume button 

Its forced so if your watching something or listening to music 
It’s completely interrupted 

Game is trash

### 4/5 — 面白いが

*2026-02-21, version 1.8.3*

Ads block アプリ使うと　ステージ進まなくなる

### 5/5 — 可愛くて楽しいです

*2025-12-07, version 1.8.2*

使ってください！
AGNPV

### 5/5 — いつまでも待っています。

*2025-11-15, version 1.8.0*

感謝

### 5/5 — Good game

*2025-10-28*

Original and fun

### 5/5 — よかったらどうぞ〜

*2025-10-21*

JPR53

### 5/5 — 5+

*2025-10-10*

Прикольная игра ! Не много рекламы. Всем советую!)
 Го дружить: KDSX6

### 5/5 — А вот хз

*2025-08-24*

Игра отличная но мне лень расписывать все ее хорошие аспекты просто знайте что она отличная

## Frequently asked questions about Merge Tactics

### What is Merge Tactics: Castle Defense?

Merge Tactics: Castle Defense is a unique tower defense game that combines strategic block placement and merging with castle and character growth. Players must create effective battle decks and strategies to defend against waves of invaders.

### How do I play Merge Tactics: Castle Defense?

You play by strategically placing blocks on the battlefield and merging identical blocks to create more powerful units. You'll need to develop different decks and strategies to counter various types of invaders and expand your territory as you clear waves.

### Is Merge Tactics: Castle Defense free to play?

Yes, Merge Tactics: Castle Defense is free to play. However, it does offer in-app purchases for certain items that can enhance the gameplay experience. These in-app purchases can be disabled in your device's settings if you prefer not to use them.

### What kind of blocks can I collect?

You can collect blocks of various types, including Melee, Ranged, and Support units. Collecting these different types allows you to create unique decks and experiment with various fighting styles to overcome your opponents.

### How can I make my castle and characters stronger?

You can grow your castle and characters by using gold and artifacts obtained from battles. This progression will unlock new skills for your units and provide you with special loot rewards, further enhancing your strategic capabilities.

## Version history (last 5 releases)

### 1.8.3 — 2026-01-22

Minor bug fix

### 1.8.2 — 2025-12-03

Known bug fixes

### 1.8.0 — 2022-12-16

- Known bug fixes

### 1.7.1 — 2022-04-27

- Known bug fixes

### 1.7.0 — 2022-04-14

- Known bug fixes

## Apps similar to Merge Tactics

| App | Rating | Price | Category |
| --- | --- | --- | --- |
| [Rush Royale: Tower Defense RPG](https://appshunter.io/ios/app/rush-royale-tower-defense-rpg/id1526121033) | 4.5 (95,328) | Free | Games |
| [Crazy Defense Heroes: RPG TD](https://appshunter.io/ios/app/crazy-defense-heroes-rpg-td/id1300027167) | 4.8 (8,064) | Free | Games |
| [Rumble Rivals: Tower Defense](https://appshunter.io/ios/app/rumble-rivals-tower-defense/id1599244551) | 4.6 (1,184) | Free | Games |
| [Crazy Kings Tower Defense Game](https://appshunter.io/ios/app/crazy-kings-tower-defense-game/id924907196) | 4.7 (1,867) | Free | Games |
| [The Tower - Idle Tower Defense](https://appshunter.io/ios/app/the-tower-idle-tower-defense/id1575590830) | 4.2 (19,639) | Free | Games |
| [LUDUS・PvP Merge Battle Game](https://appshunter.io/ios/app/luduspvp-merge-battle-game/id6446642912) | 4.8 (14,996) | Free | Games |

## More apps by LoadComplete Co., Ltd

- [Crusaders Quest](https://appshunter.io/ios/app/crusaders-quest/id901858272)
- [Sheep In Dream](https://appshunter.io/ios/app/sheep-in-dream/id997322740)
- [Kick Hero](https://appshunter.io/ios/app/kick-hero/id998424233)
- [DonutCat](https://appshunter.io/ios/app/donutcat/id998425693)
- [Lonely One](https://appshunter.io/ios/app/lonely-one/id1024951639)
- [Devil Eater](https://appshunter.io/ios/app/devil-eater/id1040013260)

All apps by LoadComplete Co., Ltd: https://appshunter.io/developer/391324922

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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 2026-09-01.*