"the freedom of action". In games, by definition, there is no freedom, because any game has its own rules. What you mean is the principle of any game. There is an enemy in the game > the enemy must be killed in order to go further. Regardless of how you kill, there is no freedom of choice, there are just ways, that is, the game, by definition, forces you to do what is required of you. All these are just differences in the methods of killing, and the very device of the game makes you do what she wants