Games like Half-Life: Opposing Force on Steam
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Havoc
Havoc is an arcade tactical first-person shooter with semi-destructible environments. It offers a variety of game modes, including Bomb Defusal, Team Deathmatch, Free for All, and Gun Game, along with extensive options to customize lobby settings to your preferences.
Battlefield 3™
Enjoy total freedom to fight the way you want. Explore 29 massive multiplayer maps and use loads of vehicles, weapons, and gadgets to help you turn up the heat. Every second of battle gets you closer to unlocking tons of extras and moving up in the Ranks. So get in the action.
Ravenfield
Fight upon the Ravenfield together with your Blue allies! Take down those pesky Reds using helicopters, tanks, guns, and active ragdoll physics!
Bright Memory
Bright Memory is a lightning-fast fusion of the FPS and action genres, created by one-man development studio FYQD using Unreal Engine. Combine a wide variety of skills and abilities to unleash dazzling combo attacks.
Immortals of Aveum™
Immortals of Aveum is a single-player first person magic shooter that tells the story of Jak as he joins an elite order of battlemages to save a world on the edge of abyss.
Indiana Jones® and the Infernal Machine™
The year is 1947. The Nazis have been crushed, the Cold War has begun and Soviet agents are sniffing around the ruins of the fabled Tower of Babel. What are they up to? The CIA recruits renowned archeologist and adventurer, Dr. Henry "Indiana" Jones, to find out.
STAR WARS™: Dark Forces Remaster
The evil Empire is currently creating a doomsday army behind a veil of secrecy. However, they are no match for the Rebel Alliance's covert operations division. Your mission is to infiltrate the Empire and put an end to their plans for terror and domination.
VLADiK BRUTAL
Fight under the onslaught of mutated monsters, obsessed soldiers and even darker bosses. Just try to survive and find out what to do next in this life, simultaneously tearing your enemies to pieces.
Starship Troopers: Extermination
Starship Troopers: Extermination is a 16-player co-op FPS that puts you on the far-off frontlines of an all-out battle against the Bugs! Squad up, grab your rifle, and do your part as an elite Deep Space Vanguard Trooper to take back planets from the Arachnid threat!
Call of Duty®: Black Ops II
Pushing the boundaries of what fans have come to expect from the record-setting entertainment franchise, Call of Duty®: Black Ops II propels players into a near future Cold War
Serious Sam HD: The Second Encounter
Serious Sam HD: The Second Encounter is a visually upgraded and fully Steam supported remake of the original high-adrenaline single-play and 16-player co-operative arcade-action FPS and Gamespot's Game of the Month!
Shadowgrounds
Shadowgrounds breathes fresh air into the action genre with explosive combat sequences, an innovative weapon upgrade system, and an intriguing storyline. The adrenaline-pumping, top-down gameplay and audiovisual fireworks set the scene for this new action experience which also includes single computer (split keyboard or joystick) co-op...
Hubris
Hubris is a VR action-adventure game set in a unique and colourful Sci-Fi universe, with immersive movement options, including swimming, climbing, and jumping. Players will have to gather resources, craft food and upgrade their weapons to fight off alien wildlife, droids, and humanoid enemies.
Outcast 1.1
Outcast 1.1 is an enhanced version of the critically acclaimed action-adventure game developed in 1999 by Appeal for the PC.
MechWarrior 5: Clans
In MECHWARRIOR 5: CLANS, players become new Smoke Jaguar pilots in the Clan Invasion of the Inner Sphere. Lead a five-mech "Star" squad across diverse planets, engaging in an expansive campaign with immersive gameplay and intricate combat. Customize BattleMechs and explore strategic options.
Battlefield™ Hardline
Strategy. Speed. Story. These are the core pillars of Battlefield™ Hardline, a cops vs. criminals experience unlike any other.
Space Hulk: Deathwing Enhanced Edition
Space Hulk: Deathwing - Enhanced Edition is a First-Person Shooter based on Games Workshop’s cult classic board game set in Warhammer 40,000 universe. Expanding upon the original game, and featuring a host of new content, new features and a richer multiplayer mode.
Crysis 2 Remastered
Relive the legendary single-player campaign from the classic first-person shooter, Crysis 2, optimized for today's hardware in Crysis 2 Remastered.
Painkiller Hell & Damnation
Evil has returned! Demonic powers are manifesting themselves as a myriad of dark creatures, fighting over the fates of imprisoned souls caught in Purgatory.
Battlefield 4™
Embrace unrivaled destruction in Battlefield 4™. Revel in the glorious chaos of all-out war packed with rewarding, tactical challenges in an interactive environment.
Serious Sam HD: The First Encounter
Serious Sam HD: The First Encounter is a visually upgraded and fully Steam supported remake version of the original high-adrenaline single-play and 16-player co-operative arcade-action FPS which was Gamespot's Game of the Year 2001 and which scored overall of 87% on Metacritic!
KovaaK's
Master your aim with KovaaK’s, the world’s best aim trainer. With over 200,000 scenarios, playlists and more! Embrace total customization, including a map editor and game physics. More than just a trainer, it’s a dynamic, community-driven platform that elevates your gameplay.
F.E.A.R. 3
F.E.A.R. 3 delivers all the hallmarks that define the F.E.A.R. brand: terrifying paranormal experience, frenetic combat and a dramatic storyline.
Project Pulsation
Project Pulsation - a sci-fi first person shooter with elements of horror and stealth. The distant space station 'Complex' located nearby Thanatos Asteroid keeps a valuable Artifact. Fight your way through turrets, unknown creatures and mysterious ghosts, survive and try to get back.