🎮 How to Make a "Chase Game" in Scratch

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🎯 Goal:

The player controls a cat sprite with arrow keys to chase and catch a moving ball. Score increases each time the ball is caught!

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🧱 Step 1: Setup Your Sprites

1. Open Scratch (https://scratch.mit.edu/).

2. Click “Choose a Sprite” and:

   • Select the Cat (or any sprite for the player).

   • Click Choose a Sprite again and pick a Ball.

3. Delete the default backdrop or choose a new one.

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🧠 Step 2: Make the Cat Move

1. Click on the Cat sprite.

2. Add this code:

when green flag clicked
forever
    if <key (right arrow) pressed?> then
        change x by 10
    end
    if <key (left arrow) pressed?> then
        change x by -10
    end
    if <key (up arrow) pressed?> then
        change y by 10
    end
    if <key (down arrow) pressed?> then
        change y by -10
    end
end

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🏃‍♂️ Step 3: Make the Ball Move Randomly

1. Click on the Ball sprite.

2. Add this code:

when green flag clicked
forever
    go to x: (pick random -200 to 200) y: (pick random -150 to 150)
    wait 1 seconds
end

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🧮 Step 4: Add a Score System

1. Click “Variables” → Make a Variable → Name it: Score.

2. For the Cat sprite, add:

when green flag clicked
set [Score v] to [0]

3. Still on the Cat, add:

forever
    if <touching [Ball v] ?> then
        change [Score v] by (1)
        wait 0.5 seconds
    end
end

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✅ Step 5: Test and Play!

Click the green flag to play your game. Move the Cat with arrow keys and catch the Ball!

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Let me know if you want:

• A timer added ⏲️

• A second level 🎯

• Or sound effects 🎵

Tell me in the comments below! I will reply you back!