# Kromium — Color Puzzle with Flood-Fill > Color flood-fill puzzle game with strategic depth and fluid animations. (iPhone/iPad app by james gibbens.) - Source: https://appshunter.io/ios/app/kromium/id6747734910 (this page in markdown: same URL + `.md`) - Developer: [james gibbens](https://appshunter.io/developer/1820693723) - Category: Games, Puzzle - Price: Free - Rating: 5.00/5 from 2 App Store ratings - Age rating: 4+ - Requires: iOS 14.0 · 47 MB - Languages: American English - Released: 2025-06-25 - Data updated: 2026-06-02 - Monetization: free - User reviews in markdown: https://appshunter.io/ios/app/kromium/id6747734910/reviews.md ## What is Kromium? Kromium - Where Colors Come to Life Experience the most satisfying color puzzle on the App Store! Kromium combines intuitive drag-and-drop gameplay with mesmerizing flood-fill mechanics that create beautiful cascading color animations across your screen. HOW TO PLAY KROMIUM: Drag any tile to an adjacent tile Watch colors flood across connected areas in stunning waves Transform the entire grid to match the target color Complete levels within the move limit Earn up to 3 stars for efficient solutions WHAT MAKES KROMIUM SPECIAL: Unique Flood-Fill Mechanics - Watch colors spread like liquid paint Mesmerizing Animations - Every move creates beautiful color cascades Strategic Depth - Simple rules, complex puzzles Progressive Difficulty - From relaxing to mind-bending challenges Perfect One-Handed Play - Designed for mobile-first gaming No Time Pressure - Think, strategize, enjoy at your own pace KROMIUM FEATURES: Hundreds of handcrafted puzzle levels Multiple difficulty modes: Easy, Normal, Hard, and Nightmare Dynamic difficulty system that adapts to your skill Star rating system rewards strategic thinking Watch video ads for extra moves when you need them Offline play - no internet required VISUAL EXPERIENCE: Smooth, fluid animations that respond to your touch Rich, vibrant color palette Clean, modern interface design Portrait mode optimized for comfortable play Responsive design for all iPhone and iPad sizes PERFECT FOR: Quick 2-minute brain breaks Extended puzzle sessions Commuting and travel entertainment Relaxing wind-down activity Sharpening strategic thinking skills Players of all ages and skill levels Whether you're a casual gamer seeking beautiful, relaxing entertainment or a puzzle enthusiast looking for your next strategic challenge, Kromium delivers a premium gaming experience that's both instantly accessible and endlessly engaging. The name says it all - Kromium brings the full spectrum of color puzzle gaming to your fingertips with unprecedented visual beauty and satisfying gameplay mechanics. Download Kromium today and discover why this isn't just another puzzle game - it's a work of interactive art! Completely free to play! Watch short video ads to get extra moves when you need them. This game was built with love for my wife Katie. ## Key features - Intuitive drag-and-drop gameplay - Mesmerizing flood-fill mechanics - Hundreds of handcrafted levels - Progressive difficulty modes - Offline play - Star rating system ## Frequently asked questions about Kromium ### What is Kromium? Kromium is a color puzzle game featuring intuitive drag-and-drop gameplay and unique flood-fill mechanics. It offers hundreds of handcrafted levels with progressive difficulty, designed for both quick breaks and extended play. ### How do you play Kromium? To play Kromium, you drag any tile to an adjacent tile, watching colors flood across connected areas. The goal is to transform the entire grid to match the target color within a set move limit. ### Does Kromium have ads? Kromium is free to play and does not contain advertisements. It offers a premium gaming experience without interruptions. ### Can I play Kromium offline? Yes, Kromium supports offline play, meaning you do not require an internet connection to enjoy the game. This makes it perfect for commuting and travel. ### What are the difficulty modes in Kromium? Kromium features multiple difficulty modes including Easy, Normal, Hard, and Nightmare. It also has a dynamic difficulty system that adapts to your skill level. ### What devices is Kromium available on? Kromium is available on iPhone, iPad, and iPod. It is optimized for portrait mode and responsive design across various Apple devices. ### How often is Kromium updated? Kromium was last updated on July 1, 2025, with version 3.1. The developer, james gibbens, actively maintains the game. ### What is the age rating for Kromium? Kromium has an age rating of 4+, making it suitable for players of all ages. Its simple mechanics and visually appealing design are accessible to a wide audience. ## Version history (last 4 releases) ### 3.1 — 2025-07-01 Updated marketing site ### 3 — 2025-06-29 What's New in Color Flow v3.0 New Player Tutorial 2-Stage Interactive Tutorial for new players Learn flood fill mechanics with guided 4×4 and 6×6 practice grids Visual wave animations show how colors spread across connected tiles Skip option for experienced players Smart Difficulty System 3 Difficulty Tiers based on colors and moves: Easy: 4 colors, 8-12 moves (50% chance) Medium: 5 colors, 10-14 moves (30% chance) Hard: 6 colors, 12-16 moves (20% chance) Automatic difficulty selection keeps gameplay fresh Visual difficulty indicators for challenging rounds Instant Ad Rewards Lightning-fast reward processing (1-2 seconds vs 20+ seconds) Two reward types: 5 Extra Moves when you run out Target Color Restoration when accidentally eliminated Improved ad completion detection across all devices Enhanced Target Color System Target Color Failure Detection - get warned when you eliminate your target color Smart Recovery Options - watch ads to restore eliminated target colors Better Visual Feedback - clearer target color highlighting Improved Game Balance Smarter Move Calculation based on grid complexity Difficulty-Based Color Selection ensures proper challenge progression Enhanced Grid Analysis for more accurate target move estimation Technical Improvements Faster Game Loading with optimized initialization Better Touch Response on all devices Improved Memory Management prevents slowdowns Enhanced Error Handling for smoother gameplay Quality of Life Updates Instant UI Updates - moves, timer, and stars update immediately Better Modal System - cleaner out-of-moves and target color interfaces Improved Animation System - smoother flood fill effects Portrait Mode Lock - consistent experience across device orientations Continue your color-matching journey with improved gameplay, smarter difficulty, and lightning-fast rewards! Thanks Ashlee! ### 2 — 2025-06-27 MAJOR UPDATE: Target color now appears instantly - no more waiting to see your goal! Plus we've completely fixed the reward system so your extra moves are delivered reliably every time. Experience the smoothest, most responsive Kromium gameplay yet with these essential improvements! ### 1.0 — 2025-06-25 No release notes. ## Apps similar to Kromium | App | Rating | Price | Category | | --- | --- | --- | --- | | [Waving Blocks](https://appshunter.io/ios/app/waving-blocks/id6747341585) | — | Free | Games | | [InfinityCube!](https://appshunter.io/ios/app/infinitycube/id1666129692) | 4.7 (3) | Free | Games | | [ZOOPOP!–Super Hard, Super Fun!](https://appshunter.io/ios/app/zoopopsuper-hard-super-fun/id6748253473) | — | Free | Games | | [The Way - Logic](https://appshunter.io/ios/app/the-way-logic/id6746362149) | — | $0.99 | Games | | [FlooditMultiplatform](https://appshunter.io/ios/app/flooditmultiplatform/id6744859177) | — | Free | Games | | [Pop Candy: Gold Quest](https://appshunter.io/ios/app/pop-candy-gold-quest/id6748051638) | — | Free | Games | ## More apps by james gibbens - [Word-zilla](https://appshunter.io/ios/app/word-zilla/id6747300689) All apps by james gibbens: https://appshunter.io/developer/1820693723 --- *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 2026-06-02.*