5/10 in my opinion. not because its short its the controls. its super fast if you use WASD. i use WASD and its hard to use either ARROW KEYS and WASD. your slow or fast. if you get crushed by a elevator you have to restart. 
5/10 in my opinion. not because its short its the controls. its super fast if you use WASD. i use WASD and its hard to use either ARROW KEYS and WASD. your slow or fast. if you get crushed by a elevator you have to restart.