please suggest me some 1st person shooting

Doom

Plenty of F2P games... Warframe, perhaps?

Red Orchestra 2 / Rising Storm has a very good feel to it, but it's not very fast like Battlefield/CoD or the likes.

Are you looking for multiplayer?

L4D2 and Killing Floor

Gunman Chronicles !!!!!!

Depends on the style you want. Do you want some old school greatness with complicated maps? Something with piles of guns and co-op? A short game with some great action?

What sort of FPS do you like? There are some geared more towards single player and others that are better played with a group of friends.

Do you prefer "real world" weapons or made up stuff?

Do you prefer something with a mission or something where the basic idea is kill everything that moves?

We could suggest stuff all day based on what's out there but without knowing what you like or don't like, or whether you even want to try something a bit different to what you've played before you'll just get a pretty random list

How about Ghost Recon: Future Soldier?

Duck Hunt

Stalker series, it's amazing :)

Bulletstorm is a pretty fun game to play through, I got it for 5$ maybe 2 years ago and I was seeing bad reviews but I think the bad reviews were just coming from console gamers who can't handle all the fast paced action with their shitty controllers. I didn't replay the game a whole lot but doing one playthrough of the campaign was so much fun and well worth the 5$.

Edit: Just to show what I am saying about the bad reviews for consoles. This video shows the gameplay I was experiencing on PC. Compare that to a console gameplay video and you can see that most console players have a much harder time aiming and grappling/sliding/kicking. Videos of console gameplay is much slower and they just stand there shooting their guns but on PC it's easier to use the environment to your advantage and it's much more spectacular.

payday 2

Borderlands 2....if it´s too expansive then:
go for Metro 2033 and Dead Island (it´s 98% melee instead of shooting)
http://www.humblebundle.com/

CounterStrike :P

Far Cry 3?

Arma II/III, Half life, Black Mesa, TF2, Borderlands

Do give Serious Sam a check if you like Duke Nukem style.

Get yourself an AK-47. Happy hunting

Blacklight: Retribution, Payday, Bulletstorm, Deus Ex, Far Cry, ARMA 2, Stalker.

I just played a war game with my friends today. It hurts, but it's fun.

Arma 3 is my favorite.

• Left 4 Dead 2
• Payday: The Hiest (Don't get the second, it's a huge waste of money!)

Fear 1