Games like Half-Life 2

Deadzone: Rogue is a roguelite FPS set in space. Blast through swarms of hostile machines, combine powerful augments and elements to forge your build, and grow stronger with each run — solo or in co-op.

Beyond Citadel is an anime style retro throwback shooter inspired by the classics of the 90's, with realistic gunplay mechanics, anime violence and fast paced combat. Fight your way through the heavily armed mechanical fortress and discover the secret that lies beneath.

Echo Point Nova is an open-world FPS that offers unparalleled freedom and thrilling speed. Designed for both singleplayer and coop. From the creators of Severed Steel.

S.T.A.L.K.E.R.: Shadow of Chornobyl, the first chapter of the Legends of the Zone Trilogy, which started it all.

S.T.A.L.K.E.R.: Call of Prypiat follows the story of special service agent Major Degtyarev as he investigates the fate of a lost expedition.

Blast, slice and shred through your enemies in this hardcore FPS inspired by the icons of the '90s, powered by the legendary Quake-1 Tech. Taking place in a realm left to rot, take up arms, unearth long-forgotten secrets and hunt down the Guardians of the Old World.

Explore a decaying industrial world left behind in humanity's never-ending race to conquer the stars. Beneath its iron skies, desperate souls kill and steal for passage to the still-plentiful frontier worlds. Sink or swim in this high-octane first-person shooter with immersive sim elements.

In Hollow Space, you are transported to an abandoned space station drifting on the edge of the galaxy. A rescue crew responds to a mysterious SOS signal, only to find that something terrifying lurks in the shadows. Will you dare to face the danger, or will you become the monster yourself?

SPIDER INFERNO is a single player horror third person shooter game. You have to save the world from the professor and the spiders. In 8 missions + 2 bonus levels you have to prove your skills and win. Don't disappoint us. That's why we make you the savior of humanity!

You awaken in a bunker, at the bottom of an unknown pit, where each floor brings waves of alien enemies and a single purpose: to test you. Who are you? Why are you here? Move forward, survive, and uncover the secrets buried deep within.

Metro Awakening is a story-driven first person adventure built for VR that blends atmospheric exploration, stealth and combat in the most immersive Metro experience yet. Don your gas mask, brave the crippling radiation and venture into the depths of the Metro where threats haunt your every step.

Sid Meier's Alpha Centauri™ Planetary Pack includes the original Alpha Centauri and the expansion, Alien Crossfire.

Join dangerous raids for loot or intense PvP battles in this new realistic military shooter set in a fractured multiverse. Fight in the quantum unstable zones over control of the active matter – the substance that bends time and space.

You wake up as an army soldier in the middle of a mutant apocalypse, trying to figure out what the hell happened and blasting some heads on the way. Deadshot is a retro styled first person shooter inspired from classics like Half Life, Doom, Quake and many alike.

A space shooter in which you must defeat alien robots.

State of Matter is a First-Person Puzzle Action Shooter utilizing a new element and its three states of matter to traverse through a derelict mining outpost in the Kuiper Belt. Armed with an experimental mining tool, you must solve puzzles and defeat enemies as you travel deeper into the facility.

No More Room in Hell 2 is an intense 8 player zombie shooter. Overcome the endless undead. Avoid infection. Survive hell together.

First-person Ability Shooter with fast-paced action, bosses, and multiple levels. A meteorite crashes, leaving a powerful resource that others are willing to do anything to obtain, alongside a dangerous creature that arrived with the meteorite. It's up to you to stop them and save the world.