Create a scratch cat jumping game from scratch in just 15 minutes. This tutorial guides you through the code needed to build gravity mechanics and obstacle movement.
This is a follow-along guide designed for beginners who want to learn how to build a playable project. We cover the core logic behind jump mechanics, ensuring your character moves smoothly and interacts correctly with the game environment. You will see how to implement gravity so your sprite lands naturally, alongside obstacle movement to make the level challenging.
We also add a score variable to track your progress as you play. By the end, you will have a fully functioning game with character jumping, collision detection, and a system to reset or update your score. It is a straightforward way to practise sequencing and variable logic in your own projects.
Full game code here: https://scratch.mit.edu/projects/1380215252/
00:00 What we’re building
00:28 Moving a sprite with change Y
00:50 X and Y coordinates
01:19 Choosing a backdrop
01:33 Renaming the sprite and saving
01:54 Setting the start position
02:31 Adding gravity
03:18 Stopping at the ground with an if block
04:20 Jumping with the space bar
05:23 Fixing the double jump
06:49 Making the cat run
07:32 Adding the tree
08:04 Moving the tree across the screen
09:01 Looping the tree back to the start
09:43 Making sure the cat clears the tree
10:22 Ending the game on collision
11:34 Adding a score
12:26 Extensions: random timing and speed
13:17 Wrap-up and project link
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