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How to merge two Scratch projects together

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PA

ProjectMerger_Alex

Posted on June 13, 2016 • Beginner

🎮 How to combine two separate Scratch projects?

Hi everyone! I’m working on a school project where I have a monkey collecting bananas, buying ingredients, and cooking banana bread. I created the cooking mini-game as a separate project to avoid clutter, but now I need to merge them together.

The main game has three maze levels, and the fourth level should be the cooking game I made separately. Is there a way to combine these two projects into one? I’m halfway done with the cooking game and don’t want to start over!

Any help would be greatly appreciated! 🙏

SM

ScratchMaster_Pro

Replied 3 minutes later • ⭐ Best Answer

Great question @ProjectMerger_Alex! The backpack feature is exactly what you need for this. Here’s a complete step-by-step guide:

📦 Project Merging Workflow

Here’s how the merging process works:

flowchart TD A[🎯 Open Cooking Project] --> B[Select All Sprites & Scripts] B --> C[📦 Add to Backpack] C --> D[🔄 Switch to Main Project] D --> E[📤 Open Backpack] E --> F[🎨 Drag Sprites to Stage] F --> G[📝 Drag Scripts to Sprites] G --> H{Check Variables} H -->|Global Variables Missing| I[🔧 Recreate Global Variables] H -->|All Variables OK| J[✅ Test Integration] I --> J J --> K{Everything Working?} K -->|Yes| L[🎉 Merge Complete!] K -->|No| M[🐛 Debug & Fix Issues] M --> J style A fill:#e1f5fe style C fill:#f3e5f5 style G fill:#e8f5e8 style L fill:#fce4ec

🔧 Step 1: Prepare Your Cooking Project

Open your cooking game project and identify all the elements you need to transfer:

  • 🎨 All cooking-related sprites
  • 📝 All scripts and code blocks
  • 🎵 Sounds and music
  • 🖼️ Backgrounds and costumes
  • 📊 Variables and lists

📦 Step 2: Use the Backpack Feature

The backpack is your best friend for moving content between projects:

    // Select sprites one by one
// Right-click on each sprite
// Choose 'export to backpack'
// Or drag sprites directly to backpack area

Pro tip: You can select multiple items by holding Ctrl (or Cmd on Mac) while clicking!

🔄 Step 3: Transfer to Main Project

Switch to your main monkey game project and:

  1. Open the backpack (bottom right corner)
  2. Drag sprites from backpack to the stage
  3. Drag script blocks to the appropriate sprites
  4. Import any backgrounds you need

⚠️ Step 4: Handle Variables Carefully

This is the tricky part! When you import scripts with variables:

    // Global variables from cooking game
// might become local variables
// Check Variables palette after import

// If variables are missing:
// 1. Create them manually as global variables
// 2. Update all scripts to use the correct variables
// 3. Set initial values properly

🎮 Step 5: Integration and Testing

Now connect your cooking game to the main game flow:

    // In your main game sprite
when flag clicked
set [level v] to [1]

// After completing maze levels
if <(level) = [4]> then
broadcast [start cooking game v]
switch backdrop to [kitchen v]
end

// In cooking game sprites
when I receive [start cooking game v]
show
go to x: [0] y: [0]
// Start cooking game logic

🚀 Advanced Tips

  • Organize your sprites: Group cooking sprites in a folder
  • Use broadcasts: Communicate between game sections with messages
  • Test thoroughly: Make sure all interactions work correctly
  • Backup first: Always save a copy before merging!

Hope this helps you merge your projects successfully! Let me know if you run into any issues! 😊

VH

VariableHelper_Sam

Replied 15 minutes later

@ScratchMaster_Pro gave excellent advice! Just want to add a crucial point about variables:

⚠️ Variable Import Warning: When you import scripts through the backpack, any global variables that don’t already exist in your main project will be created as local variables instead!

Here’s how to fix this:

  1. Before importing, create all global variables in your main project
  2. Use the exact same names as in your cooking project
  3. After importing, double-check the Variables palette
  4. If any variables show as “for this sprite only”, recreate them as global

This will save you hours of debugging! 🕐

PA

ProjectMerger_Alex

Replied 1 day later

@ScratchMaster_Pro @VariableHelper_Sam Thank you both so much! 🎉

I successfully merged my projects using the backpack method. The variable tip was especially helpful - I almost missed that issue! My monkey banana bread game is now complete and working perfectly.

The cooking mini-game integrates seamlessly after the maze levels. Thanks for saving me from starting over! 🍌🍞

VB

Vibelf_Community

Pinned Message • Moderator

🚀 Master Project Organization & Management

Great discussion on project merging! For those working on complex multi-part projects, our community can help you with:

  • 📦 Advanced backpack techniques
  • 🔗 Project linking strategies
  • 📊 Variable management systems
  • 🎮 Multi-level game architecture

📚 Related Topics

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