Jamatrack's games are made by other Scratchers: 

Original game links:

https://scratch.mit.edu/projects/143663274/

https://scratch.mit.edu/projects/389464290/

I think the Fortnite one is made by him, but gamejam games shouldn't cost money.

his games are just trolls, jus report the game for stolen

I did.

I disqualified several of his games for copying.