Mature games are those that maintain our suspension of disbelief.
If we consider relevant not the nature of the content, on which "mature" is a subjective value (or so the thread suggests), but the level of immersion and emotional engagement of the player, then a mature game is one in which we believe while we play it.
If we consider relevant not the nature of the content, on which "mature" is a subjective value (or so the thread suggests), but the level of immersion and emotional engagement of the player, then a mature game is one in which we believe while we play it.