Basic To Do prototype based on: https://www.sketchappsources.com/free-source/3625-basic-to-do-app-design-sketch-freebie-resource.html

This 18 Cool Gradients was designed by Osama Dawood https://www.sketchappsources.com/free-source/3607-gradients-ui-kit-sketch-freebie-resource.html

A simple recreation of the very popular video game Tetris. Use the buttons to move, rotate and change the block pieces. You can also use the arrows and A,B keys on your keyboard as well. Design inspired by: https://www.sketchappsources.com/free-source/3559-grdk-pro-game-system-64bit-sketch-freebie-resource.html I do not own anything related to Tetris and this is simply a very simple tribute to the creation of Alexey Pajitnov.

Going to a screen depending on a picker selection using states, variables and the 'Fire an items event' action

Showing a random image each time a button is pressed. Project was created using Variables and States

An endangered species is a type of organism that is threatened by extinction. Species become endangered for two main reasons: loss of habitat and loss of genetic variation.

An example of a pricing screen imported from https://www.sketchappsources.com/free-source/3749-pages-ui-web-kit-update-2019-sketch-freebie-resource.html