This is the start of an realistic plattformer. with the keys s/o you can anable/disable soundeffects with the keys 1 2 and 3 you can switch between the portal modes: normal test and turn them off. you can move left with the arrow key < and right with this on: > by preesing this one : v you willl gain y-velocity and you can jump with space and it´s made on purpose that you can spam space. =) You can stop everything with z.