Hour of Code 2018
You have the option of choosing either:

Actimator - Myra's Dream
Monsters have taken Myra's dream. Learn coding skills to help her cross bridges, fly through the air, and swim underwater to get back her dream. Actimator is a Web-based visual environment for creating games and science simulations collaboratively, as well as publishing them for the Web and as mobile apps.

Minecraft Hour of Code
Minecraft is back for the Hour of Code with a brand new activity! Journey through Minecraft with code.

Flappy Bird
Use drag-and-drop programming to make your own Flappy Bird game, and customize it to look different (Flappy Shark, Flappy Santa, whatever). Add the game to your phone in one click.

Hour of Code 

Or pick one from the very large list!