If the player engages in combat while wearing a gas mask, it may become damaged and crack, forcing the player to find a functional gas mask. In addition to the dimly lit tunnels, some areas, including the entire surface, are covered in radiation, and require the use of a gas mask. As most of the tunnels feature little to no light, the player can use a flashlight to explore dark areas. The player can either spend military grade ammunition on new weapons, or use it in firefights, which inflicts more damage on enemies than normal bullets.

Pre-war 5.45Г—39mm ammunition (referred to in the game as 'military grade ammunition') can also be found, which serves as the currency within the tunnels. The player often has little ammunition, and must scavenge for bullets and other useful items from the bodies of dead enemies or from caches. If the player is shot or bitten while in combat, they can either wait for their health to recharge, or use a med-kit to heal themselves immediately. This can be achieved by using a throwing knife to kill an enemy from afar, or shoot an enemy with a suppressed weapon. Alternatively, the player can employ stealth to evade their enemies or kill them silently. In firefights, human enemies take cover and flank the player, while mutant enemies stay in the open and try to bite them. The game features traditional guns like a revolver, assault rifles and shotguns, as well as more inventive weapons like a pneumatic crossbow. The human and mutant enemies can be killed with a variety of firearms. The story is told through a linear single-player campaign, and important plot moments are shown during cutscenes. It is predominantly set within the tunnels of the Moscow Metro and Metro-2 system, though some sections take place on the surface, in the ruins of Moscow. Metro 2033 is a first-person shooter video game. The tunnels are often dimly lit, and the player must use a flashlight to see in the darkness Gameplay File:Metro 2033 gameplay.jpgДЄ gameplay screenshot of Metro 2033. In addition, Metro 2033 Redux was released as a standalone game for the Nintendo Switch in February 2020 and on Stadia in June 2020, alongside ports of Metro: Last Light Redux. A second sequel, Metro Exodus, was released in 2019. A compilation of both titles was released in 2014 as Metro Redux for Microsoft Windows, PlayStation 4, Xbox One, OS X, Linux, and SteamOS. The game was praised for its horror elements, detailed environments and appealing plot, but it was criticized for its buggy artificial intelligence and its many graphical issues.ДЄ sequel, Metro: Last Light, was released in 2013. Metro 2033 received positive reviews from critics. If the gas mask is worn while in combat, it may be damaged, and the player must quickly find a replacement before they die. Some areas of the metro tunnels, in addition to the Earth's surface, are covered in fallout radiation, and the player must wear a gas mask to explore these areas. Ammunition and other necessary items must be either scavenged from the bodies of dead enemies, or purchased from vendors. Players encounter human and mutant enemies, who can be killed with a variety of firearms alternatively, players can employ stealth to evade or silently kill enemies. Metro 2033 is played from a first-person perspective. Players control Artyom, a man who must save his home station from the dangers lurking within the Metro. The story is based on Dmitry Glukhovsky's novel of the same name, and is set in the ruins of Moscow following a nuclear war, where the survivors are forced to live in underground Metro tunnels. It was released in 2010 for the Xbox 360 and Microsoft Windows.

Metro 2033 is a first-person shooter survival horror video game developed by 4A Games and published by THQ.

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