In other words, they are good for learning about the model you've created, not for predicting the complex real world the model is trying to simulate. (globalclimatescam.com)
To truly fit into the open world model, missions have to provide the same sense of freedom that the world itself provides. (gamasutra.com)
Although much of the game has been built from scratch, they believe it stays faithful to the original Half - Life concept, with higher - resolution textures and more detailed world models. (thatvideogameblog.com)