Code a Fun Space Shooter Game ๐Ÿš€ | 1. Move & Shoot | Scratch Tutorial

How to build a simple, fast paced space shooter in Scratch based on the classic arcade game Asteroids, but with Lemons! In the first of this three part Scratch coding tutorial we cover player movement and the firing of lasers. This will then set us up for the really exciting part two where we can look at enemy Lemons, collisions, and splitting of the lemons. Part 3 will venture into the awesome explosion flashes, screen shake and more!

Wondering why Lemons? Well, Lemons were the first fruit to have achieved interstellar capability and are thus attempting to take over the universe. To tackle such a scenario we obviously need to fight back with rapid fire lemon busting lasers!

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๐Ÿ‘€ Simple Space Shooter
Part 1 –
Part 2 –
Part 3 –

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————–Video Chapters————–
0:00 Intro
01:06 The Player Sprite
03:04 Player Movement
07:17 The Laser Sprite
08:35 Laser Code
10:34 Firing the laser
13:09 Triggering lasers the right way
15:25 Outro

scratch coding, scratch programming, scratch game, scratch 3


  1. How do you put an Boolean inside a output space!

  2. this is a great video! it really helps a lot but i tried the laser code when i clicked the green flag it won't fire, how could i fix it?

  3. I can only move up an down. Can you help me fix that issue?


  5. when i try pressing space sometimes it glitches!

  6. You said lemon,
    I think of eminem,
    But I want to eat ramen,
    But I can't because of saman,
    Who told me it's not vegitarian,
    I think after reading this rhyme you get nostalgian,
    But I see venom at Eddie's haven, where Kevin was eating ramen ๐Ÿœ while drinking venom,But venom start eating Kevin who was eating ramen and drinking venom at Eddie's haven while you we're saying lemon ๐Ÿ‹.
    Yoooo hoooooo ๐Ÿค˜๐Ÿ˜ต

  7. not only is he a game maker he is a gamer at the intro bro is soloing the whole lemonverse

  8. Not going to lie nothing more satisfying then when your clicks line perfectly up with griffpatch's.

  9. Hello fellow lemons got me confused cause he normally says hello fello scratchers

  10. Itโ€™s not work for me Iโ€™m not talking to you again

  11. thanks to this tutorial, I have started making a DOOM-inspired game, and I was really stuck with the laser gun, but then I remembered the fire rate through this video, thanks!

  12. when i try to code the player to move it only moves in the x position and not the y even though i coded it

  13. right arrow left arrow up arrow down arrow and wasd

  14. im confused because in player movement it says that the left is -1 and the right is 1 but then when we move to the y its flipped

  15. I f I din't search how to make a asteroid shooting game I wolud never know griffpatch

  16. I don't understand why my lazer wont shoot straight, i've copied everything you have done for that part

    Edit: The spaceship direction kept changing when it bounced off the edge

  17. i just making my game then crashed so cool edit how you make this๐Ÿ˜ญ๐Ÿ˜ญ๐Ÿ˜ญ๐Ÿ˜ญ๐Ÿ˜ญ๐Ÿง๐Ÿง๐Ÿง๐Ÿง๐Ÿค”๐Ÿค”๐Ÿค”๐Ÿค”๐Ÿค”๐Ÿค”๐Ÿค”๐Ÿค”

  18. Thank you soooooooooooooooooooooooooooooooooooooooo…………….. much griffpatch

  19. 5:45 there is actully no air in space, so space ships can go fast and don't need areodynamic shapes.

  20. and you could just put an anti spam which is wait until not key<the key you used> press

    i get full marks on my grades

  22. i like the design i made in scratch i even got 90 likes and remixes

  23. amazing tutorial but mines is going in speed of light pls help

  24. in the past i watch your vids ALOT and used them for my projects, Thanks.

  25. Griffpatch, your tutorial was good and I got the game to kinda work, but for some reason the laser only shoots in one direction no matter which direction my ship was facing. Please tell me how to fix this, I would love to play Lemonoids, also your videos are great.

  26. i like how you make this easy to understand for beginers like me

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