I used the Sketch "Delicious" free UI Kit for a food recipes app. It includes 11 pixel-perfect screens. I just added Proto.io interactions and created a great prototype! This Delicious UI Kit was designed by Robert Anitei Sketch source: https://www.sketchappsources.com/free-source/1765-delicious-ui-kit-sketch-freebie-resource.html

Replicating the Classic game 'Pong' using variables.

Using variables and conditional interactions to create a way to track how long you have hovered over a component and execute a sound once 5 seconds of hovering has been completed.

Intro animation for an indie game studio.