Half-Life 2

The sequel to the first-person shooter starring the silent Gordon Freeman. After experimenting with the anomalous material, a portal to a neighboring dimension opened. And then the alien race attacked in general. Now humanity is almost on the verge of extinction. The main character needs to fight his way through the crowds of zombies and shoot the alien invaders. But it's not going to be that easy, because there's also a mysterious G-Man who has his own plans for the protagonist.