# CrystalCoreDefense — Crystal Sci-Fi Tower Defense

> Crystal Sci-Fi Tower Defense (iPhone/iPad app by claudine Sokol.)

- Source: https://appshunter.io/ios/app/crystalcoredefense/id6778728270 (this page in markdown: same URL + `.md`)
- Developer: [claudine Sokol](https://appshunter.io/developer/6778728272)
- Category: Games, Strategy
- Price: Free
- Age rating: 4+
- Requires: iOS 15.6 · 118 MB
- Languages: American English
- Released: 2026-06-18
- Data updated: 2026-07-07
- User reviews in markdown: https://appshunter.io/ios/app/crystalcoredefense/id6778728270/reviews.md

## What is CrystalCoreDefense?

CrystalCoreDefense is a portrait crystal sci-fi tower defense game. Guard the star core, deploy advanced turrets, and push back the erosion legion across three distinct regions.

CORE GAMEPLAY
• Vertical tower defense built for one-handed play
• 8 unique turret types with distinct roles — rapid fire, AoE, pierce, slow, sniper, chain arc, mortar, and swarm
• Tactical skills including plasma bomb, cryo freeze, core repair, overclock, and crystal supply
• Pause and 2x speed controls for flexible sessions
• Upgrade, sell, and reposition towers to adapt to each wave

CAMPAIGN & PROGRESSION
• 45 campaign levels across 3 regions: Crystal Frontier, Erosion Wasteland, and Starcore Abyss
• World map level select with region unlock progression
• Boss waves and elite enemy encounters
• Local progress saved automatically on your device

META SYSTEMS
• Daily and weekly tasks with rewards
• Achievement system and commander rank progression
• Crystal codex for towers, machines, items, and maps
• Personal profile with avatar, nickname, and battle stats
• English and Chinese interface

SESSION LENGTH
Most levels take about 3–5 minutes — perfect for quick breaks or longer campaign runs

Hold the line. Protect the core. Become a star-core commander.


## Version history (last 2 releases)

### 1.0.1 — 2026-06-26

Fix bugs and improve user experience.

### 1.0.0 — 2026-06-18

No release notes.

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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 2026-07-07.*