[antoniuschan99]

Thanks for this :).

A few more:

https://jskatas.org https://www.flexboxfroggy.com https://www.cssgridgarden.com

[bmn__]

https://flukeout.github.io/ https://deadlockempire.github.io/ https://fightcodegame.com/ https://play.elevatorsaga.com/

[justusthane]

https://vim-adventures.com/

https://www.vimgolf.com/