Animated GIFs in eLearning

ELC 221 - How are Course Designers Using Animated GIFs in eLearning | Review 360 (articulate.com)

This simple game uses an animated GIF of a horse and rider. The parallax effect is created using a static background and objects moving along a motion path at various speeds. Each object is on its own layer.

A collision trigger determines if the horse hits an oncoming boulder. Score updates each time a boulder leaves the screen (which is also a trigger provided by Storyline)