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INTRODUCTION

The egg catching game in Scratch is an excellent project for beginners. In this game, players control a basket moving horizontally to catch eggs falling from above. Each caught egg increases the score, while eggs falling out will reduce lives. This project helps learn basic programming concepts such as: event handling, collision detection, variables, and loops.

LET’S PLAY

Click on the green flag to start. Use arrow keys to move and catch eggs.

 

PART 1: CHARACTER AND BACKGROUND SETUP

Step 1: Create the playground background

1. Click on the “Choose a backdrop” icon in the bottom right corner
2. Find a suitable background or draw your own Tips:

• Choose a simple background from the internet to avoid distracting the player
• Create a boundary line at the bottom representing the ground

Step 2: Create the basket sprite

1. Delete the default cat sprite
2. Click on the “Choose a sprite” icon at the bottom
3. You can:
   • Choose from the library (search for “basket” or “bowl”)
   • Draw your own sprite using Paint Editor
   • 
4. Adjust the basket size as appropriate (click on the “Size” tool and set a suitable value)

Step 3: Create the egg sprite

1. Click on the “Choose a sprite” icon
2. Search for “egg”, draw a simple egg, or upload your own egg here. Adjust the egg size to match the basket

PART 2: PROGRAMMING BASKET CONTROL

Step 1: Set initial position

1. Select the basket sprite
2. Go to the “Code” tab
3. Add block: When green flag clicked Set y position to (-155): The purpose is to fix the basket’s height so it only moves horizontally

Step 2: Program horizontal movement

1. Add loop and condition blocks:

Forever
  If <key [right arrow v] pressed?> then
    Change x by (10)
  End
  If <key [left arrow v] pressed?> then
    Change x by (-10)
  End

Tip: You can adjust the values 10 and -10 as desired according to how fast or slow you want the basket to move when pressing the arrow keys.

Step 3: Movement limits

1. Add conditions to prevent the basket from moving off-screen: When we press too far to the left or right, it’s not possible.

  If <(x) > (230)> then
    Set x to (230)
  End
  If <(x) < (-230)> then
    Set x to (-230)
  End

PART 3: PROGRAMMING FALLING EGGS

Step 1: Create variables

1. Click on the “Variables” tab
2. Create a “Score” variable for all sprites
3. Create a “Lives” variable for all sprites

Step 2: Set initial values

1. 1. Select the egg sprite
   2. Add blocks:

When green flag clicked
Hide
Set [Score v] to (0)
Set [Lives v] to (3)

Step 3: Program egg clone creation

1. Add blocks to create egg clones: Add command to change egg color

When green flag clicked
Hide
Forever
  Create clone of [myself v]
  Wait (2)

Step 4: Program egg behavior

1. Add blocks for the egg clone:

When I start as a clone
Show
Set x position to (random number from (-230) to (230)) y: (180)
Forever
  Change y by a random amount from -1 to -10
  If <touching [Basket v]?> then
    Change [Score v] by (1)
    Play sound [pop v]
    Delete this clone
  End
  If <(y) < (-170)> then
    Change [Lives v] by (-1)
    Play sound [whoop v]
    Delete this clone
  End

PART 4: SETTING UP GAME CONDITIONS

Step 1: Program game end

1. Select egg sprite
2. Add blocks:

When green flag clicked
Forever
  If <(Lives) < (1)> then
    Stop [all v]
    Show GAME OVER screen
  End

Step 2: Increase difficulty based on score

1. Add blocks:

When green flag clicked
Forever
  If <(Score) > (10)> then
    Set [Level v] to (2)
  End
  If <(Score) > (20)> then
    Set [Level v] to (3)
  End
  If <(Score) > (30)> then
    Set [Level v] to (4)
  End

Step 3: Create end screen

1. Create a new sprite (like “Game Over”)
2. Program:

When green flag clicked
Hide
Forever
  If <(Lives) < (1)> then
    Show
  End

 

PART 5: ENHANCING THE GAME

Step 1: Add sound effects

1. 1. Download additional sounds for events such as:
      • Catching an egg
      • Losing an egg
      • Starting the game
      • Ending the game
      • Leveling up

Step 2: Add special items

1. Create an “extra life egg” sprite (can use a green egg image)
2. Program:

When green flag clicked
Hide
Forever
  Wait (random number from (15) to (30)) seconds
  Create clone of [myself v]

When I start as a clone
Show
Set x position to (random number from (-230) to (230)) y: (180)
Forever
  Change y by (-3)
  If <touching [Basket v]?> then
    Change [Lives v] by (1)
    Play sound [powerup v]
    Delete this clone
  End
  If <(y) < (-170)> then
    Delete this clone
  End

PART 6: SAVING AND SHARING

Step 1: Save the project

1. Click on “File” in the top left corner
2. Select “Save” or “Save as”
3. Name your project (e.g., “Egg Catching Game”)

Step 2: Test and refine

1. Click the green flag to run the game
2. Check the features:
   • Basket moves correctly
   • Eggs fall and interact properly
   • Score and lives are calculated correctly
   • Difficulty increases gradually
3. Edit if necessary

Step 3: Share the project (optional)

1. Click on “Share” in the top right corner
2. Add playing instructions in the description
3. Add relevant tags (e.g., game, egg, catch)

EXPANSION AND CREATIVITY

After completing the basic version, you can add the following features:

1. Different game modes: Add “time” or “high score” modes
2. Special effects: Add visual effects when catching eggs
3. Add obstacles: Add objects to avoid
4. Start and end screens: Create a complete user interface
5. Save high scores: Use “cloud” variables to save high scores
6. Customize characters: Allow players to choose different baskets

TIPS AND TRICKS

1. Test frequently: Check after each section to ensure everything works correctly
2. Use comments: Add comments to code to help you remember what each part does
3. Optimize: If the game is slow, reduce the number of clones or effects
4. Control difficulty: Ensure difficulty increases gradually so the game is neither too easy nor too hard
5. Backup: Use “Save as copy” frequently to avoid data loss

CONCLUSION

Congratulations! You have successfully created an egg catching game in Scratch. This project has helped you learn basic programming concepts such as loops, conditions, variables, and collision detection. Continue to explore and expand your game with new features and creativity!