Fluid Simulation – Unity Game Source Code (also known as Happy Cup) is a fun and relaxing physics-based puzzle game where players draw lines to guide water into a happy cup. 
Built with Unity 6 or newer, this complete 2D project combines smart physics, fluid simulation, and creativity, offering endless fun for puzzle lovers. 

🎬 Watch Gameplay Video: 
👉 Watch on YouTube 

💧 Game Highlights 

🧠 Physics-Based Puzzle Gameplay – Draw creative paths to guide the water perfectly into the cup. 

😄 Cute Happy Cup Character – The cup smiles when filled and reacts emotionally to success or failure. 

✏️ Draw Lines Freely – Realistic physics and fluid motion. 

🎨 Minimal & Clean Design – Simple yet addictive visuals with smooth animations. 

🔄 Multiple Levels – Increasingly challenging puzzles to solve. 

⚙️ Lightweight & Optimized – Runs smoothly on all Android and iOS devices. 

🎵 Soothing Sound Effects – Relaxing experience for players. 

🔧 Fully Customizable – Replace cup designs, levels, and UI easily. 

💡 Why Buy This Source Code? 

✅ 100% ready-to-publish Unity game 
✅ Realistic physics simulation with line drawing mechanics 
✅ Beginner-friendly code structure 
✅ Ideal for casual & puzzle categories 
✅ High retention and viral potential 

🧰 What’s Included 

Full Unity Project Folder 

Complete C# Source Code 

Game Assets (UI, Water FX, Sprites) 

Level System & Documentation 

Lifetime Support & Updates 

⚙️ Requirements 

Unity Version: 6 or newer 

Android/iOS SDK 

Basic Unity knowledge 

🚀 How to Publish 

1️⃣ Open project in Unity 6 or newer 
2️⃣ Customize assets & branding 
3️⃣ Build for Android or iOS 
4️⃣ Upload to Play Store / App Store 

📞 Contact & Support 

📱 WhatsApp: +91 9408212310 
📧 Email: support@readygamecode.com 
🌐 Website: https://readygamecode.com 
📸 Instagram: @readygamecode