Table of Contents
Extensions
GDevelop is built in a flexible way. In addition to core features, new capabilities are provided by extensions. Extensions can contain objects, behaviors, actions, conditions, expressions or events.
Directly from GDevelop, you have access to a collection of community created extensions, listed here. You can also create, directly in your project, new behaviors, actions, conditions or expressions for your game.
Advanced jump ("Coyote time")
Platformer character jump enhancements like coyote time (allows to jump shortly after leaving a platform).
Advanced p2p event handling
Allows handling all received P2P events at once instead of one per frame. It is more complex but also potentially more performant.
Align object on the screen
Align objects on the scene relatively to the window (or screen size).
Animated Back and Forth Movement
Make the object go on the left, then when some distance is reached, flip and go back to the right. Make sure that your object has two animations called “GoLeft” and “TurnLeft”.
Array tools
A collection of utilities and tools for working with arrays
Auto typing animation for texts ("typewriter" effect)
Animate the text to simulate it being written character by character (also called “typewriter” effect), with a customizable time between each character. Useful for dialogue scenes or visual novels.
Back button
Adds interactions with the back button
Base conversion
Provides conversion expressions for numbers in different bases.
Boomerang
Throw an object that returns to the thrower like a boomerang
Bounce (using forces)
Provides an action to make the object bounce from another object it just touched. Add a permanent force to the object and, when in collision with another one, use the action to make it bounce realistically.
Camera Shake
Shake the camera on the specified layer using one or more methods of shaking (position, angle, zoom)
Cancellable draggable object
Allow to cancel the drag of an object (having the Draggable behavior) and return it smoothly to its previous position.
Checkbox
Checkbox that can be toggled by a left-click or touch.
Checkpoints
A position checkpoint for instances
Choose a random value
Choose a random value in a list of strings or numbers.
Clipboard
Read and write the clipboard.
Color Conversion
Expressions to convert RGB color values into various other colour formats (HSV, HSL, named colors) and vice versa.
Compressor
Compress and decompress strings
Create multiple copies of an object
Select the object, choose the number of rows and columns, the spacing between rows and columns, the top left starting point, the layer to create the objects on, and the z-order of the objects.
Current game version
Get the current game version from GDevelop game properties
Cursor Movement Conditions
Conditions checking the cursor movement (is it moving, is it still since a specified duration…)
Cursor type
Provides an action to change the type of the cursor, and a behavior to change the cursor when an object is hovered.
Depth effect
Change scale based on Y position to simulate depth of field
Double-click
Check for a double-click with a mouse, or a double-tap on a touchscreen.
Drag Camera With Pointer
An action to move the camera by dragging with the mouse (or scrolling with the touch), on vertical, horizontal or both directions.
Draggable Slider Control
A horizontal slider that can be dragged by the users.
Draw pathfinding
Draw the pathfinding of an object using a shape painter.
Dungeon generator
Create a procedurally generated dungeon. Includes two layouts: “rooms and hallways” and “dungeon cave”
Emojis
Display emoji characters in text objects and store them in strings.
Explosion force
Simulate an explosion with physics forces on target objects
Extended math support
Additional math functions and constants expressions.
Extended variables support
Add conditions, actions and expressions to check for the existence of a variable, copy variables, delete existing ones from memory, and create dynamic variables.
FPS
Adds expressions and a behavior to get and display the game FPS.
Face Forward
Face object towards the direction of movement.
Fire bullets
Allow the object to fire bullets, with customizable speed, angle and fire rate.
Flash (blink)
Make the object flash (blink) for a period of time, so that it is alternately visible and invisible.
Trigger the effect by using the Flash action.
Flash layer
Make a layer visible for a specified duration, and then hide the layer.
Flash and transition painter
Behavior for shape painter allows you to paint a color all over the screen for period of time with an effect (useful for simulate flash and transition effect).
Flexbox
Allows using flexbox for positioning objects
Follow multiple objects with camera
Change the zoom and position of the camera to keep all instances of an object (or object group) on the screen.
Gamepads (controllers)
Add support for gamepads (or other controllers) to your game, giving access to information such as button presses, axis positions, trigger pressure, etc…
Hash
Hash with MD5 or SHA256
Health (life points and damages for objects)
Add actions and conditions to manage the life of the object. Object can get damages, lose some health and you can check with a condition if it's dead.
Hexagonal grid
Action to snap objects to a virtual hexagonal grid during the game.
Homing projectile
Make a projectile object move towards a target object.
Iframe
Create or delete an iframe to embed websites
Mobile In-App Purchase (experimental)
Add items to buy directly in your game (“In-App Purchase”), for games published on Android or iOS.
Input Validation
Conditions and expressions to check, sanitize and manipulate strings.
Internet Connectivity
Checks if the device running the game is connected to the internet.
Object "Is On Screen" Detection
This adds a condition to detect if an object is on screen based off its current layer.
Konami Code
Allows to input the classic Konami Code (“Up, Up, Down, Down, Left, Right, Left, Right, B, A”) into a scene for cheats and easter eggs.
Language
Get the preferred language of the user, set on their browser or device.
Linear Movement
Move the object linearly, according to the speed configured on X and Y axis. Useful for simple enemies, bullets or objects following a straight line on the screen.
Linked Objects Tools
Conditions to use Linked Objects as a graph and a path finding movement behavior.
MQTT Client (advanced)
An MQTT client for GDevelop: allow connections to a MQTT server and send/receive messages.
Magnetic Effect
Attract an object to another object, with customisable speed and distance.
Marching Squares (experimental)
Allow to build a “scalar field” and draw contour lines of it: useful for fog of wars, liquid effects, etc…
Mouse Helper
Check if a sprite has been clicked and turn any objects into a cursor.
Mouse Pointer Lock
This behavior removes the limit on the distance the mouse can move and hides the cursor.
Noise generator
Expressions for generating Perlin and simplex noise values (2D or 3D). Useful for procedural generation.
Object Stack
An ordered list of objects and a shuffle action.
Make objects orbit around a center object
Make objects orbit around a center object. You can customize the number of objects, speed, etc…
Parallax for Tiled Sprite
Behaviors to animate Tiled Sprite objects in the background, following the camera with a parallax effect.
RTS-like unit selection
Allow player to select units by clicking on them or dragging a selection box
Random Color Generator
Create a random color for a scene, an object, or any other color input.
Read pixels
Read the values of pixels on the screen.
Rectangular flood fill
Create fill objects that cover the rectangular area of target objects
Rectangular Movement
Allow an object to move in a rectangular pattern.
Reflection
Add a reflection to a selected object
Regular Expressions
Functions for using regular expressions to manipulate strings.
Sprite Snapshot
Renders an object, layer or scene and puts the resulting image into a sprite
Repeat every X seconds
This allows to trigger an event every X seconds.
Rotate a string 13 characters
This extension rotates all alphabetic characters in a string by 13 characters.
Screen Wrap
Teleport objects leaving one side of the screen so that they immediately reappear on the opposite side, maintaining speed and trajectory.
Animate Shadow Clones
Create and animate shadow clones that follow the path of a primary object.
Shake Object (position, angle, scale)
Shake an object, using one or more ways to shake (position, angle, scale)
Sine (or ellipsis) Movement
Allow an object to move smoothly on the X and/or Y axis following a sine wave, or an ellipsis.
Snap objects to a virtual grid
Action to snap objects to a virtual grid during the game.
Object Masking
Use a sprite or a shape painter to mask another object.
Sprite Sheet Animations
Animate a tiled sprite from a sprite sheet
Star Rating
A rating system indicated by stars using the shape painter.
Stay On Screen
Force the object to stay visible on the screen by setting back its position inside the viewport of the camera.
Stick objects to others
Behavior to stick objects to other objects - so that they follow the position and rotation of the object they are stuck to.
Swipe Detector
A behavior that detects a swipe being done on the screen, and that gives you information about it, including the direction and the length.
Console (commands handler for Text Entry objects)
A console behavior that allows parsing simple commands inputed via a Text Entry object.
Mobile virtual keyboard for Text Entry
Allow to open and close the virtual keyboard on mobile (iOS, Android). To be used with Text Entry objects.
3D Flip
Flip sprites with a 3D effect.
Time formatting
Expressions to transform time in seconds to format like HH:MM:SS. Ideal to display timers on screen.
Timed Back and Forth Movement
This behavior moves objects back and forth for a chosen time or distance, vertically or horizontally.
Toggle switch
Toggle switch that users can click or touch.
Make object travel to random positions
Make object travel to random positions (with the pathfinding behavior).
Turret movement
A turret movement with customizable speed, acceleration and stop angles.
Webpage URL tools (Web browser)
Allows to read URL on Web browser exports of the game and manipulate URLs generally.
Unique Identifiers
A collection of UID generation expressions.
Unicode
Provides conversion tools for Ascii and Unicode characters
YSort
Create an illusion of depth by setting the Z-order based on the Y position of the object. Useful for isometric games, 2D games with a “Top-Down” view, RPG…
Yandex.Games SDK
An extension for Yandex.Games SDK that lets you easily integrate games created by GDevelop into the Yandex.Games platform.
Make your own extension
It's easy to create, directly in your project, new behaviors, actions, conditions or expressions for your game.
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