Bueno el crecimiento es de más luz es menos shadow (así se llaman), y si eso no funciona ahí tenemos a la dificultad..., y si no es es el shoterjump que no solo aumenta la altura sino la velocidad horizontal 

Las flechas direcciones, z, x

Please read the install instructions

The game is detected a virus because the file is new, and that´s souspicious to the navegators and pc, but the game not are a virus.

I test the game, it don't have virus. The navegador says:  "the game **CAN BE** a virus because it don't be an habitual download. I repeat: the game is not a virus, win defender and the navegators take it as a suspect file, but no a virus as such.