Metro Redux is an FPS game set in a post-apocalyptic world. You play as Artyom, one of the survivors of the global nuclear holocaust.
Pro Intense underground combat
The combat in Metro mostly comes down to shooting mutants, bandits or other survivors. Mutants will simply rush you and try to overwhelm you with their claws and teeth. Human enemies like the bandits will use tactics and try to surround you. All of this is made a lot more intense thanks to the low lighting and narrow passages. If you don't plan your movements carefully, you just might get backed into a corner.
You can also use the lighting to your advantage and hide in the shadows. While most locations populated by bandits have very bright lights, you can turn off their light sources. This allows you to backstab them from the dark without raising an alarm. The same tactics won't work on mutants because they can see in the dark.
Pro Immersive exploration
Even though the levels are linear, the exploration aspect is done very well. You'll spend a lot of time walking through the old metro tunnels, which are filled with radiation hazards, bandits, and mutants. Sometimes you'll even have companions with you, making the trip easier with lighthearted banter.
The dangerous encounters might leave you low on resources, so to survive you have to be a scavenger. Exploring even the narrowest spaces such as air vents will yield you air filters, med kits, ammunition, and other useful items. It's quite exciting to find a hidden stash of valuable goodies when you're the least expecting it.
Additionally, at the end of each tunnel there is a station, which is a settlement of survivors. These stations have their own unique culture and interesting sights, giving you a moment of respite.
Con Bleak and depressing world
The Metro series is set in a very dark and cruel post-apocalyptic world. The living conditions are rapidly deteriorating and humanity is slowly dying out. Even despite that there are still factions that continue to wage war. This may not appeal to everyone because the bleak outlook will wear you down mentally.