Fuse Chain
Chain Reaction Puzzle
Free · In-App Purchases · Designed for iPad. Not verified for macOS.
One tap. Endless reactions. Can you master the chain?
Reaction Chain is a satisfying puzzle game where every move sparks a chain reaction. Tap an element, watch it trigger its neighbors, and build combos that
cascade across the entire grid. Simple to learn, deeply strategic to master.
HOW TO PLAY
- Tap a cell to start a chain reaction
- Fire activates Water, Water activates Earth, Earth activates Electric, Electric activates Fire
- Build longer chains for massive combo multipliers — up to x16!
- Hit the target score to clear each level
KEY FEATURES
- Chain Reaction Puzzle Gameplay — Every tap sets off a satisfying cascade of elemental interactions
- 4 Unique Elements — Fire, Water, Earth & Electric — each with distinct chain behaviors
- Special Cells — Catalysts, Bombs & Chain Boosters add explosive strategy
- 50+ Hand-Tuned Levels — Progressively challenging puzzles across multiple worlds
- Massive Combo System — Chain 15+ cells for full-screen visual spectacles
- Stunning Visual Effects — Particles, shockwaves, screen shake & glowing combos
- Offline Play — No internet required. Play anywhere, anytime
- Clean, Elegant Design — No clutter, just pure puzzle satisfaction
THINK AHEAD, CHAIN BIG
The key to Reaction Chain isn't just tapping — it's where you tap. Position your moves to trigger the longest chains, activate special cells at the right
moment, and watch the entire board light up in a spectacular combo. Every level is a new puzzle to solve.
MORE COMING SOON
- New worlds with larger grids & new mechanics
- Endless mode with dynamic difficulty
- Weekly events & daily challenges
- Leaderboards & achievements
Download now and start your first chain reaction!
Ratings & Reviews
- This app has not received enough ratings or reviews to display an overview.
Performance & Gameplay Improvements
• Smoother gameplay: rendering optimizations targeting stable 60 FPS
• Reduced memory usage with pre-allocated paint objects for cell rendering
• Particle effects now use pooling — eliminates frame drops during combos
• Gravity animations use column-staggered, distance-scaled timing for better feel
• Added shimmer loading animation during level transitions
• Smoother scrolling in level select screen
• Rebalanced levels 45-50 difficulty curve — removed unfair spike at level 48
• General stability improvements
The developer, Bayram Uslu, indicated that the app’s privacy practices may include handling of data as described below. For more information, see the developer’s privacy policy .
Data Used to Track You
The following data may be used to track you across apps and websites owned by other companies:
- Identifiers
- Usage Data
Data Not Linked to You
The following data may be collected but it is not linked to your identity:
- Identifiers
- Usage Data
- Diagnostics
Accessibility
The developer has not yet indicated which accessibility features this app supports. Learn More
Information
- Provider
- Bayram Uslu
- Size
- 35.6 MB
- Category
- Puzzle
- Compatibility
Requires iOS 15.0 or later.
- iPhone
Requires iOS 15.0 or later. - iPad
Requires iPadOS 15.0 or later. - iPod touch
Requires iOS 15.0 or later. - Mac
Requires macOS 12.0 or later and a Mac with Apple M1 chip or later. - Apple Vision
Requires visionOS 1.0 or later.
- iPhone
- Languages
- English
- Age Rating
4+
- 4+
- Contains
Advertising
- In-App Purchases
Yes
- 5 Hints $0.99
- Remove Ads $2.99
- 15 Hints $1.99
- 50 Hints $4.99
- Copyright
- © 2026 Unwind Game Studios