I'm working on my own 'no-code' game creation tool for almost 10 years now.
I had to create my own game engine because it had to be 100% data driven, and none of the existing ones really fitted my need.
The cool thing about a data driven engine is that there is no building and restarting phase. You just edit everything inside the running game.
You can check it out at https://rpgplayground.com .