Complex Gravity Sprite by illusionist
A gravity sprite that uses velocity variables to move.

Computer Mouse by Louis2018
This is a computer mouse

Loading Bar by Louis2018
This is a simple loading bar.

Simple Velocity Sprite by illusionist
A sprite that uses a basic form of velocity for movement. Up arrow-accelerate left/right arrow-steer

Simple Gravity Sprite by illusionist
This is as basic as gravity gets, it is a simple sprite meant to help beginners understand the concept of programming gravity in Scratch. This sprite stamps out a simple level, and then switches to the player costume so the user can control it.

Jump Engine by Louis2018
You need to create a "floor" sprite, and only one key can pressed at once... see script comments

Circular Loader by JSO
An animation of one of those uhm circular loaders?

Button by JSO
Yet another button with scripts.

Button by JSO
A button with scripts.

Button by JSO
Well, a button with button scripts.