# Crystal Guard - DIY Road — Brain Training & Tower Defense

> Roguelite tower defense game with maze building and turret development. (iPhone/iPad app by 艳 王.)

- Source: https://appshunter.io/ios/app/crystal-guard-diy-road/id6504703611 (this page in markdown: same URL + `.md`)
- Developer: [艳 王](https://appshunter.io/developer/1663396375)
- Category: Games, Entertainment, Adventure, Casual
- Price: Free with in-app purchases
- Age rating: 17+
- Requires: iOS 11.0 · 283 MB
- Languages: English, French, German, Indonesian, Italian, Japanese, Korean, Portuguese, Chinese, Spanish and 1 more
- Released: 2024-07-03
- Data updated: 2026-06-01
- Monetization: free with in-app purchases
- User reviews in markdown: https://appshunter.io/ios/app/crystal-guard-diy-road/id6504703611/reviews.md

## What is Crystal Guard?

In this unique Roguelite tower defense game, you play as the guardian of the Amethyst, responsible for protecting the fragile crystal from being destroyed by monsters. During the adventure, choose your favorite combination from unique turrets to cultivate, and use blocks of different shapes to create a maze to resist waves of attacks. Keep building, strengthening, and adjusting strategies until you successfully collect crystals and return to the kingdom.
- Game Features -
Roguelite gameplay
Classic block puzzle game
Strategic Tower Defense
Turret development
Unique art style
Casual and puzzle elements


[Instructions for automatic subscription service]
1.Subscription service:
a) Remove All Ads For 30 Days (1 month)
2. Subscription price:
a) Remove All Ads For 30 Days: the continuous monthly subscription product is US$4.99/month
3. Payment: After the user confirms the purchase and makes the payment, it will be credited to the iTunes account
4. Automatic renewal: Apple's iTunes account will be deducted within 24 hours before expiration. After the deduction is successful, the subscription period will be extended by one subscription period.
5. Turn off the service: You can go to "Settings" on your Apple phone --> Enter "iTunes Store and App Store" --> Click "Apple ID", select "View Apple ID", enter the "Account Settings" page, and click "Subscribe" ", manages automatic subscription services. If you need to cancel, just close it 24 hours before the end of each billing cycle. No fees will be deducted within 24 hours before expiration.
6. Service Agreement: 
https://docs.google.com/document/d/1HykzvxBclFK7aQm6PJmzIou8KlxNzPXfVznTygZWRlg/edit?usp=sharing
7. Privacy Agreement: 
https://docs.google.com/document/d/1BqE04-K6hoRCTml9yvIhl-SfUgRZY2dm-JDP7rgbuG4/edit?usp=sharing

## Key features

- Roguelite gameplay
- Block puzzle maze creation
- Strategic tower defense
- Turret development
- Unique art style
- Casual puzzle elements

## Pricing and in-app purchases

Base price: Free.

**Subscriptions**

| Subscription | Price | Period |
| --- | --- | --- |
| Remove All Ads For 30 Days | $4.99 | per month |

**One-time purchases**

| Purchase | Price | Type |
| --- | --- | --- |
| Remove advertisements | $19.99 | one-time |
| Golden battle pass | $6.99 | one-time |
| 30 advertising coupons | $3.99 | one-time |
| 3000 Diamonds | $7.99 | one-time |
| 10 advertising coupons | $1.99 | one-time |
| Newcomer pack | $0.99 | one-time |
| Turret upgrade pack | $5.99 | one-time |
| 70 advertising coupons | $7.99 | one-time |
| Turret pack | $3.99 | one-time |


## Recent user reviews (2 of 2)

All indexed reviews: https://appshunter.io/ios/app/crystal-guard-diy-road/id6504703611/reviews.md

### 5/5 — 訂閱後當機

*2024-10-10, version 1.15.2*

目前訂閱後當機無法遊戲 移除再安裝也一直無法點 請問能解決嗎？或是訂閱退款？

### 5/5 — 動態島會擋住

*2024-08-09, version 1.15.2*

動態島會擋住

## Frequently asked questions about Crystal Guard

### What is the core gameplay of Crystal Guard?

Crystal Guard is a Roguelite tower defense game where players protect a crystal from monsters. Gameplay involves building mazes with blocks and developing turrets to defend against waves of enemies.

### Does Crystal Guard offer offline play?

The provided data does not specify whether Crystal Guard supports offline play. However, many tower defense games offer offline modes.

### What are the subscription options in Crystal Guard?

Crystal Guard offers a subscription service to remove all ads for 30 days at $4.99 per month. This subscription automatically renews unless canceled.

### How can I cancel my Crystal Guard subscription?

To cancel your subscription, go to your iPhone's Settings, then 'iTunes Store and App Store,' tap your Apple ID, select 'View Apple ID,' go to 'Account Settings,' and manage your subscriptions. Cancellation must be done at least 24 hours before the billing cycle ends.

### What is the age rating for Crystal Guard?

Crystal Guard has an age rating of 17+. This is based on the provided application data.

### On which devices can I play Crystal Guard?

Crystal Guard is supported on iPhone, iPad, and iPod devices. It was released on July 3, 2024, with the latest version being 1.15.2 as of July 5, 2024.

### Does Crystal Guard have ads?

Yes, Crystal Guard contains advertisements. A subscription option is available to remove all ads for 30 days.

### How often is Crystal Guard updated?

Crystal Guard was last updated on July 5, 2024, indicating recent active development. The current version is 1.15.2.

## Version history (last 2 releases)

### 1.15.2 — 2024-07-05

1. Fix the bug.

### 1.14.0 — 2024-07-03

No release notes.

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## More apps by 艳 王

- [Cute Tenants Simulator](https://appshunter.io/ios/app/cute-tenants-simulator/id1663587587)
- [Idle Catering Expert -Tycoon](https://appshunter.io/ios/app/idle-catering-expert-tycoon/id1670294598)
- [Idle Delivery Tycoon -Match 3D](https://appshunter.io/ios/app/idle-delivery-tycoon-match-3d/id6450410133)
- [Idle Seafood Market -Tycoon](https://appshunter.io/ios/app/idle-seafood-market-tycoon/id6450639346)
- [Block War -Adventure Master](https://appshunter.io/ios/app/block-war-adventure-master/id6451148734)

All apps by 艳 王: https://appshunter.io/developer/1663396375

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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 2026-06-01.*