# K-Duel: Card Battler — Tactical Anime Deck Builder

> Tactical anime deck builder with unit fusion and deep card synergy. (iPhone/iPad app by Nguyen Thanh Luan.)

- Source: https://appshunter.io/ios/app/k-duel-card-battler/id6771284459 (this page in markdown: same URL + `.md`)
- Developer: [Nguyen Thanh Luan](https://appshunter.io/developer/1856218760)
- Category: Games, Card, Strategy
- Price: Free
- Age rating: 4+
- Requires: iOS 15.0 · 288 MB
- Languages: American English
- Released: 2026-07-10
- Data updated: 2026-08-09
- Monetization: free
- User reviews in markdown: https://appshunter.io/ios/app/k-duel-card-battler/id6771284459/reviews.md

## What is K?

THEY MANIPULATE THE RULES. YOU BREAK THE GAME.
After losing everything to a dirty player in the real world, Kai is reborn into a fantasy card realm with one absolute mission: Exterminate every legendary cheater in the world.
Partner with the mysterious Kasumi, expose your opponent's illegal board manipulation, and crush them with superior tactical logic.

GAME FEATURES
- THE FUSION ENGINE: Don't rely purely on your card draws. Directly fuse weaker units together on the battlefield to instantly evolve them into game-ending boss monsters. Combine elements, break card boundaries, and shatter expectations.
- 300+ CARDS TO COLLECT: Discover, unlock, and experiment with a massive library of unique characters and entities to engineer the ultimate anti-cheat deck strategy.
- DEEP TACTICAL SYNERGY: Experiment with extensive card interactions to engineer high-level combos and outsmart unfair opponents.
- PURE STRATEGY FIRST: No hidden paywalls, no aggressive monetization—just rewarding, skill-based card play where your brain wins the match.

## Key features

- Fusion Engine for unit evolution
- Collect over 300 unique cards
- Deep tactical synergy and combos
- Skill-based card play
- Anti-cheat narrative

## Recent user reviews (1 of 1)

All indexed reviews: https://appshunter.io/ios/app/k-duel-card-battler/id6771284459/reviews.md

### 1/5 — Poor

*2026-07-10*

Very poorly done. Don’t waste your time.

**Developer response:** Thank you for trying the game and sharing your feedback. I am a solo developer and want to make the experience better. If you encountered any specific bugs, crashes, or balancing issues, please let me know so I can fix them in the next update. You can reach me directly on Discord at: discord.gg/ZfCHBhdZm

## Frequently asked questions about K

### What is K-Duel's core gameplay mechanic?

K-Duel features a unique Fusion Engine where players can combine weaker units on the battlefield to evolve them into powerful boss monsters, offering a strategic advantage beyond traditional card draws.

### How many cards can I collect in K-Duel?

You can discover, unlock, and experiment with over 300 unique cards, including characters and entities, to engineer your ultimate deck strategy.

### Does K-Duel have any in-app purchases or ads?

K-Duel is free to play and does not feature in-app purchases or advertisements, focusing purely on skill-based card play.

### What devices is K-Duel available on?

K-Duel is available on iPhone, iPad, and iPod devices.

### How often is K-Duel updated?

The latest version, 1.1.0, was released on July 14, 2026, indicating recent development activity.

### What is the age rating for K-Duel?

K-Duel has an age rating of 4+, making it suitable for a wide audience.

### What is the story behind K-Duel?

Players are reborn into a fantasy card realm with a mission to exterminate legendary cheaters, partnering with Kasumi to expose and defeat them.

### Does K-Duel offer offline play?

The provided data does not specify if K-Duel offers offline play. It is designed as a tactical card battler.

## Version history (last 5 releases)

### 1.1.0 — 2026-07-14

Thanks for playing K-Duel! Based on your early feedback, we’ve optimized the game pacing to get you into the action faster:
Faster Pacing: Streamlined the early story text. Less reading, more dueling!
Epic Boss Loot: Beating a hard-fought opponent in story mode now grants extra high-value, exciting card rewards to immediately boost your deck.
Balanced AI Difficulty: We've tuned down the power of early-game AI decks. The game is now less punishing at the start, giving you more room to learn and test your strategies!
Join the Community: Share your deck builds and report bugs on Discord: discord.gg/ZfCHBhdZm

### 1.0.5 — 2026-07-12

- New Content: Added brand new cards to expand your strategic options!
- Tutorial Update: Optimized the early-game hand guide to appear faster, helping new players learn the basics instantly.

### 1.0.4 — 2026-07-11

Skip Story: By popular demand, you can now skip the story animations/dialogues if you want to jump right into the battle!

### 1.0.2 — 2026-07-10

New Content: Added brand new cards to expand your strategic options!
New Mechanic: Introduced the 'Guard Position' for cards, significantly enhancing their survival chances on the field.
In-Game Shop: The all-new shop system is now live! Players can easily acquire their desired cards using only in-game credits.
AI Improvements: Enhanced enemy AI for a more challenging and balanced gameplay experience.

### 1.0.3 — 2026-07-07

What’s New:
 - New Mechanics: Introduced Anti-Matrix Skills and Enemy Skills for deeper tactical gameplay.
 - Card Additions: New cards added to the pool to expand your deck-building options.
 - Optimizations: Fixed known bugs and improved game stability.

## More apps by Nguyen Thanh Luan

- [For My Son](https://appshunter.io/ios/app/for-my-son/id6766204039)

All apps by Nguyen Thanh Luan: https://appshunter.io/developer/1856218760

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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 2026-08-09.*