Top similar games like Half-Life 2: Deathmatch:

Now includes the free Titan Pack expansion! The Titan Pack gives players a substantial amount of enhanced features and new content, including many original environments, new gametypes, the namesake Titan mutator, powerful deployables and weapons, new characters, and the Stealthbender.

Step into the boots of Grayson Hunt after a crash landing on an old resort planet forces him to make a hard choice: survival or revenge. Execute masterful kills with Bulletstorm: Full Clip Edition’s unique combat system that rewards you for performing the most creative and deadly kills imaginable.

Cat Warfare is a multiplayer first person shooter that lets you take the place of a cat out for revenge, blood and glory.

The greatest warriors of all time and space have been summoned to battle for the amusement of an ancient alien race. Wield a variety of guns and power-ups as you fight for glory against ruthless combatants in this fast-paced single-player and multiplayer FPS.

Apogee Software and Interceptor Entertainment proudly present the rebirth of the cult-classic first-person shooter, “Rise of the Triad”. Bigger, better and more ludicrous than ever before.

eBall is an old-school multiplayer arena shooter with high speed gameplay and a minimalistic look. An old school rocket and grenade in combination with rattling speed gameplay and predictive air shoot of a classic arena FPS with the power of modern gaming technology.

Lost Squad — fan-made Source Engine based game in Half-Life® 2 universe about what happened to Barney Calhoun after Half-Life® 2: Episode One events and why he was not in Half-Life® 2: Episode Two

Developed by the award-winning id Software, Quake® is the ground-breaking, original dark fantasy first-person shooter that inspires today’s retro-style FPS games. With Quake (Enhanced), experience the authentic, updated, and visually enhanced version of the original.

You are humanity’s last hope to stop the Strogg, a hostile alien race waging war against Earth. Play this military sci-fi FPS, now upgraded for modern platforms with improved visuals, new campaign content, online multiplayer/co-op, and more.

Serious Sam Classic: The Second Encounter is a high-adrenaline single-play and 16-player co-operative arcade-action FPS and Gamespot's Game of the Month February 2002!

Wolfenstein: Youngblood is the first modern co-op Wolfenstein adventure. Team up with a friend or play solo as one of BJ Blazkowicz’s twin daughters and wield a powerful arsenal of new weapons, gadgets, and abilities to liberate Paris from the Nazis.

Reawakened from stasis in the occupied metropolis of City 17, Gordon Freeman is joined by Alyx Vance as he leads a desperate human resistance. Experience the landmark first-person shooter packed with immersive world-building, boundary-pushing physics, and exhilarating combat.

Goat of Duty is a fast-paced multiplayer shooter where goats armed to the horns bleat face to face in a relentless deathmatch. Ram and troll your friends, own the craziest goatstumes, and put your skills to the test in the quirkiest FPS ever. Are you ready to become the GOAT of goats?

Toaster Arena is a first person multiplayer arena shooter where players battle it out on different maps and game modes. Use Advanced movement to traverse obstacles and gain the advantage on the battlefield.

Relive Half-Life.

Developed by id Software, and originally released in 1993 and 1994, the definitive, newly enhanced versions of DOOM + DOOM II are available as a combined product.

Planetary Conflict: 2301 is sci-fi multiplayer third person shooter set in the future, in a war between the Lunar Federation and Planetary Union.

TE120 is a short single player experience set in the Half-Life Universe featuring a gravity defying weapon that allows you to jump buildings and sustain large falls. The story takes place at a mysterious date & location. Where are you? Why have you been sent?

Space Ops VR is a tournament in which Space Ops train their elite soldiers to fight for Earth against dangerous alien life around the galaxy. Space Ops VR, a brand new First Person Shooter can be played either in solo or co-op modes. PvP modes will also feature 1v1 duels or 2v2 team battles.