Once all variables are created, you’re ready to move on! Setup: Starting the Game Seeker_X_Activate – later in the game we make our octopus aliens movement more difficult so this is important later.Player_Y_Position – this keeps track of Player1’s current y position (more on this later).MinTimer – this is the minimum amount of time in between each octopus alien’s spawn.MinSpeed – this is the minimum speed we want our octopus alients to travel.MaxTimer – this is the maximum amount of time in between each octopus alien’s spawn.MaxSpeed – this is the maximum speed we want our octopus aliens to travel.Level – this is your current level to track your progress.BaseSpeed – this is the basic speed of our octopus aliens.Make sure each variable has the For all sprites button checked. New to variables? You can learn more about variables in our other tutorial.Ĭreate all variables in the Data portion of your scripts.

See the list of variables below along with why we need them. There are a lot of moving parts, and we want the game to get harder as it goes along. We’re going to need a lot of variables in this game.

Make sure the sprite is named Octopus for this game.

For simplicity, you only need to do this on the first costume called “octopus-a.” We do this so the octopus aliens will be facing your spaceship.

Go to Costumes at the top of your screen, and adjust the size to your liking.

For your enemy, select “Octopus” from the “Animals” category.

Rename the sprite and costume to Laser.We changed ours to red by using the color tools. Go to Costumes at the top of your screen, and adjust the size to be a little smaller than your spaceship.Select “Paddle” from the “Things” category.We made it a little smaller to fit our game. Go to Costumes at the top of your screen, and rotate the spaceship to face right and center it.Select “Spaceship” from the “Space” theme.We have 3 distinct sprites or objects in this game: Then select Choose new sprite from library for each of our new sprites. Select “space” from the “Space” category. Stage/Backdropįor the Stage, go to Choose backdrop from library. We needed to set a backdrop and create the necessary sprites and objects. We wanted the player to drive a rocket in space and fight giant alien octopuses for this game.

How to create your own game on scratch