The thing is I remixed the resources and only the resources I did all the rest , the map the player and the code. Basically, you can move with the arrow keys except for down because of the gravity does the magic... ~You can also toggle levels just by moving the player to the right or to the left If you Go to a wall, It will do something you might recognize..
Thanks to griffpatch_tutor for the YouTube video~ https://www.youtube.com/watch?v=HdFxavSE9H8 Thanks to his main account~ @griffpatch Updates~ Animated running, Wall jump