### **1. Description**
The game presents a series of tubes filled with a chaotic mix of colored balls. Your objective is to move the balls between tubes until every tube either contains only balls of a single color or is completely empty. While the initial levels are straightforward, the game quickly scales in difficulty, requiring careful planning to avoid "locking" tubes and running out of moves.
### **2. Key Features**
* **Simple One-Finger Control:** All actions are performed by tapping to select and tapping to place.
* **No Time Pressure:** Unlike many puzzle games, there are typically no timers, allowing for a stress-free, "zen" experience.
* **Infinite Levels:** The game features thousands of levels that range from beginner to expert difficulty.
* **Offline Play:** Fully playable without an internet connection, making it ideal for travel or commutes.
* **Brain Exercise:** Focuses on pattern recognition, spatial awareness, and logical sequencing.
* **Visual Variety:** Includes unlockable themes for tubes and different "skins" for the balls (such as emojis or different textures).
### **3. How to Play**
* **Tap to Move:** Tap any tube to lift the top ball, then tap another tube to drop it.
* **The Matching Rule:** You can only place a ball on top of another ball if they are the same color.
* **Space Constraint:** You can only move a ball to another tube if that tube has enough empty space (each tube usually holds a maximum of 4 balls).
* **Empty Tubes:** Any color ball can be placed into a completely empty tube.
* **The Goal:** The level is complete when all balls of the same color are grouped together in individual tubes.
### **4. How to Win: Strategy & Tips**
* **Clear a Tube Early:** Your priority should be to empty one or two tubes as quickly as possible. These empty tubes act as "workspace" to shuffle balls around.
* **Look for "Pure" Stacks:** If you see two balls of the same color already together at the bottom of a tube, try to complete that specific color first to "seal" that tube.
* **Don't Block Colors:** Avoid placing a ball on top of a different color's only exit route. If you bury a ball you need later, you may reach a dead-end.
* **Use the "Undo" Button:** If you realize you've made a mistake that will lead to a stalemate, use the undo feature immediately rather than restarting.
* **Add a Tube:** On particularly difficult levels, the game often offers the option to add an extra empty tube (usually via an ad or in-game currency). This significantly lowers the difficulty.
* **Plan Three Steps Ahead:** Before moving a ball, ask: "If I move this here, what ball does it uncover, and where can that ball go?"
### **5. Technical Details**
* **Developer:** Unico Studio (known for the *Brain Test* series).
* **Size:** Approximately **250 MB** (varies by device).
* **Platform:** Android and iOS.
* **Android Requirements:** Android 7.0 and up.
* **iOS Requirements:** iOS 14.0 or later.
* **Monetization:** Free-to-play supported by ads. Includes in-app purchases for "Ad-Free" versions and bundles of "Diamonds" used for hints and extra tubes.
* **Performance:** Optimized for low-end devices and also playable on PC via Google Play Games (requires 8GB RAM).









