When scene starts

Runs the script when the scene starts

When screen is touched

Runs a script when the screen is touched.

When tapped

Runs a script when the object is touched.

When you receive (message)

Runs script below when it receives specified broadcast message.

Broadcast and wait (message)

Sends a message to all sprites and waits.

Broadcast (message)

Sends a message to all objects.

When (1 < 2) becomes true

Runs a script when the given condition/value becomes true.

When background changes to (background)

Runs a script when backdrop switches to a certain background.