NS2: Combat pits aliens against space marines in a fast paced, action-packed struggle for survival. Part twitch-shooter, part stealth crawler, design your own tech tree, choose your own style of play, and control one of seven different life forms. Try unique abilities such as 'Devour', where the largest alien eats her enemies, or pilot the hulking mechanised 'Exo Suit' and punch aliens in the face. NS2: Combat offers ranked servers supporting casual and competitive play.

Nuclear Dawn is a first-person shooter that combines the traditional thrills of action games with the fast paced tactical structures of real time strategy titles. Blast your way through a wartorn post-apocalyptic earth in your Exo power armour, use adaptive camouflage to sneak up on your enemies, or assault enemy emplacements with your squads, while your commander fortifies your base and forward positions in the most explosive and dynamic tactical experience this side of actually starting World War Three, and then scrambling in a desperate race for resources against your former friends.

Null Drifter is a 1BIT LO-FI shooter, a journey into the void inside a computer simulation! Lose yourself in this frenetic yet chill experience!

Number Hunt is a fast-paced VR Multiplayer FPS game with a mathematical twist. Have loads of fun, and battle it out with up to 3 other players to prove that your brain reigns supreme! Improve your math skills while you play!

FPS VirtualReality game that draws patterns of notes that fly with rhythm and timing This game is a rhythm game that hits the ball at the exact moment. Let's play with the dancers in front of us to the rhythm. Let's play rhythm games with our bodies!

In the dusty, undeveloped wastelands of Western Mudos, cantankerous townsfolk find their settlements besieged by belligerent outlaws. Along comes Stranger, a tall, dark and enigmatic bounty hunter with a mission to capture troublemakers and scoundrels and return them to civilized townships for incarceration. But Stranger is keeping a secret and needs expensive surgery to survive. In his quest to earn enough Moolah, Stranger reluctantly accepts the ultimate bounty from the owner of the Mongo River and suddenly his adventure takes a very different turn.

Okunoka is a 2d “masocore” platform game, featuring a top-level art design, instant play sections based on immediacy, in an enjoyable casual approach that provides an ever-increasing challenge for all kind of players.

As the consultant for a maverick director's new film: "Old Gods Rising," Professor Tom Winston arrives at Ashgate University to find that things are not quite as they seem. Has he become the unwitting star of Kayfer’s latest project?  Or, has he stumbled into something far more sinister?

Oncoming Death is a round based game like Call of Duty. The undead will find you. Believe me find the way out.

One Dog Story is an engaging pixel adventure game with RPG elements, gameplay that’ll get you hooked for hours, and well-developed characters. You wake up in an underground laboratory, free again after a horrific accident. Prepare to explore this expansive game world and its many secrets and mysteries.

One Hunt is a simplistic survival shooter game. At the moment there are only three things that can kill you; wolves, weather, and the one you hunt. In order to survive, you must collect wood to create fires, find shells to keep your shotgun loaded, and avoid detection from the one you hunt.

A post-apocalyptic MMOFPS with survival game features. It was developed by the independent Russian studio Kefir! At first glance the mechanics of One Life are similar to other games in the genre. The player is taken to a large post-apocalyptic world filled with dangers, where he and other users are trying to survive. The path to victory leads through wise strategy, seeking water and food and through crafting needed items.

One Sole Purpose is an action packed science fiction first person shooter. It is developed to give the player a fun and engaging combat experience and bring them an immersive world with a memorable plot.

This is a multiplayer first person shooter game. UP TO 64 PLAYERS; True FPS (one mesh for both first and third person camera); Realistic particle effects; High Quality sound effects; Chat system; Epic graphics; Skins (for weapons); Customizable slots; FREE SERVER...

Operation Flashpoint Cold War Crisis is as close to war as you ever want to get. You are dropped in the path of the Red Army. Your objective is clear: take your men, your weapons and your training; commandeer any vehicle you find, survive if you can, but above all, force them back! Includes rich, enthralling campaign, single missions and multiplay. Create your own strategic challenges.

Operation Flashpoint 2 aims to deliver the most realistic modelling of conflict scenarios in a new contemporary theatre of war. By offering a multitude of military disciplines, gameplay delivers warfare more realistic and intense then ever before, while an extensive multiplayer component creates battles on an incredible scale. The game challenges a new generation of players to survive the chaos and rapidly evolving situations of military combat in a new and contemporary warzone.

Originally released on Arcade in 1987,Operation Wolf Returns: First Mission is the remake of the first Rail Shooter that shaped the genre. It sticks to the DNA of the original game – a breathtaking action atmosphere inherited from 80’s action movies – while offering a brand-new design and a leaderboard.

Few months ago, a new criminal organization has appeared. In addition to their arms and drug trafficking, they have developed a super powerful weapon. After the discovery of several organization’s camps led by the mysterious General Viper, two officers has been deployed to learn more about this dangerous weapon and free the hostages detained in surroundings camps.

Opus Castle it's a 3D horror, adventure and mysterious game with a narrative based on the real tragic history of the little castle on Apa Street, located in the city of São Paulo, Brazil. In the game, the player must explore Castelinho's secret rooms and environments, encountering the famous supernatural apparitions, noises from nowhere and the laments of spirits from the past. In the meantime, you wake up in one of the rooms beside a body riddled with bullets. Suicide or murder? Opus brings some basic mechanics for the exploration, which focus more on the narrative, that will be divided into 6 chapters, with 5 different story variations for each.

Orbital Gear is a sidescroller shooter where you utilize the gravitation of celestial objects to give your mech momentum through space. Arm your Mech with two of twelve different weapons and destroy your enemies. Orbital Gear features classic multiplayer gameplay with new mechanics and 3D graphics.

Experience thrilling fleet battles through zero-g orbital combat with support for drop-in co-op multiplayer. Make good tactical decisions to build and direct fire support assets and take back humanity's skies from a relentless enemy.

Action of the game takes place in the distant future on the artificial planet G6, when OSIRIS corporation began to use technologies of the transition of human souls to the Heaven. This process was commercialized and gradually almost all humanity sold their properties to this corporation for the opportunity to "proceed to the better world ahead of time". Game will be available soon via Early Access mode. There will be 10-15 minutes of gameplay, which then will be updated with further enhancements and extensions. In the first version of game we play the role of Mr.Switch, who is responsible for shipping of clients of OSIRIS corporation to the Heaven. During usual procedure accident happens and hell gate opens...

Chained to the wall, you wake up face to face with your captor. He's obsessed and if he can't have you, no one can. You don't have long to live. Escape your cell, uncover your captor's past, and use that knowledge to escape to freedom in this story-driven thriller. You may not like what you find.

Action heavy, multiplayer + singleplayer FPS set in a brutal cyberpunk universe.

Gather a crew, create your emblem and start a rebellious career of a pirate who cares only about his treasures and his rum! Sail the seas, look for trouble, be the last pirate standing to retrieve all the treasures the archipelago can give you! Although you may not survive every single raid, your achievements, fame and glory will!

Destroy Huge Bosses, dodge thousand of bullets, and resolve quick puzzles with your powerful space battle ship!
Overdriven Evolution takes you on a challenging journey through the Kruuthian empire with an ever-changing, expertly crafted universe full of action.

Embark on an epic voyage to destroy huge bosses. Be ready for an action-packed experience by dodging thousands of bullets and complete quick puzzles with your powerful spaceship. Prepare for deadly challenges that require both good gear and mastery of controls.

In each exciting run, you will face more enemies, more bullet patterns, and improved bosses, ensuring countless hours of thrilling gameplay. Enjoy new and improved stages, graphics, and 3D environments. The entire game can be played as a single-player or local co-op with up to 4 players. Join in on the adventure to defeat the Kruuthian Emperor.

Best PC First Person Shooter Games

NS2: Combat

Nuclear Dawn

Null Drifter

Number Hunt

O2Jam x DancingParty

Oddworld: Stranger's Wrath HD

OkunoKA Madness

Old Gods Rising

Oncoming Death Steam Edition

One Dog Story

One Hunt

One Life

One Sole Purpose

Operation Breakout

Operation Flashpoint: Cold War Crisis

Operation Flashpoint: Dragon Rising

Operation Wolf Returns: First Mission

Opus Castle

Orbital Gear

Orbital Strike VR

OSIRIS

Our Secret Below

Out of Action

Out of Reach: Treasure Royale

Overdriven Evolution