You play as Artyom, who despite having never left the metro before, sets out to help save his home by traveling through the extensive, mutant-infested underground. Immersing you in this world was clearly a high priority for developer 4A Games: The HUD is minimal, displaying little beyond your ammo and the occasional quick-time event indicator or weapon selector. Even information like your health and the integrity of your gas mask are indicated by less direct means: The edges of the screen become red as you take damage and your gas mask slowly accumulates frost as the filter wears down. And your objectives list and compass, which always points in the direction you should be heading, are physical objects, not menu choices. That means you physically pull them out, and if you're in the dark, you'll need to flick on your lighter to see them.

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