Hour Of Code

https://hourofcode.com/uk/learn

Beginner

Blocks Jumper (bl0cks)

Hello World! (blocks)

Minecraft Heros Journey (blocks)

Intermediate

Compute it (python)

Screen Saver (Javascript)

Ball Tether (Javascript)

Password Generator (Python)

Dragon Blast

Advanced

Cyber Security

Cyber security academy

https://academy.hackthebox.com/

Capture the flag

https://www.hackthebox.com/

Reduce lag from scratch games

https://turbowarp.org