Questions in Game Dev

i am new to gaming dev, can someone help me?
Not doing it straight away, but how does one handle releasing a demo on this site?
How to make A.I in scratch?
How do I get deleted data from a game? I downloaded a texture for my game but it deleted everything on my computer.

Loading...Hey Gamejolt !
Why not creating a #simulation category for games like Silicon City? I am sure a lot of gamers love this type of games!

I'm debating whether I should add a progression system to Forgeverse, either with earning XP and levelling up, or some sort of in-game currency.
I'm not sure if it's a good idea though as it feels like it goes against the sandbox nature of the game.
So for those nights at Mario’s which jumpscare sound should I use
So right at this moment *Not Yet Confirmed* platformer seems like the popular pick... I wonder what Engine should I Use...