Valve's shooters and puzzlers

Aperture Desk Job

You are a new hire at Aperture Science, ready to climb the corporate ladder, and your first assignment is a desk.

Half-Life: Alyx

Fight an alien occupation from inside City 17, where every reload, drawer and headcrab is right there in your hands.

Dota Underlords

Draft heroes, build a crew that fights on its own, and outplay seven rivals in quick tactical rounds.

The Lab

Eight small worlds, each one a reason to put the headset on.

Dota 2

Pick a hero, team up with four others and fight your way through a match where every decision shifts the outcome.

Counter-Strike 2

Team up with four others, hold the angles, and win rounds with sharp aim and well-timed utility.

Portal 2

Fire linked portals to solve physics puzzles through the ruined labs of Aperture, with a sharp story and a co-op campaign for two robots.

Day of Defeat: Source

Pick a class, hold the capture points and let map knowledge and a well-timed grenade win the round.

Alien Swarm

A fast top-down co-op shooter where your squad picks classes, welds doors shut and fights through alien hordes in tense, replayable runs.

Left 4 Dead 2

Grab three friends, hack through the infected with machetes and shotguns, and hope the chaos goes your way.

Left 4 Dead

Fight through zombie-infested streets with three friends, where every run brings a different wave of infected.

Team Fortress 2

Pick a class, join your team in fast cartoon shootouts, and keep coming back for one more match. ---

Portal

A first-person puzzle platformer set in the Aperture Science Laboratories.

Half-Life Deathmatch: Source

Grab a crowbar and outshoot everyone in fast arena battles across the classic Half-Life maps.

Half-Life 2

Fight through a dystopian city with a silent hero, gravity as a weapon and a resistance worth rooting for.

Counter-Strike: Source

Pick a side, spend your money wisely and win round after round in the classic tactical team shooter.

Half-Life 2: Deathmatch

Grab whatever is lying around and fling it at your friends in fast arena duels.

Counter-Strike: Condition Zero

Run a bot-led campaign or standalone missions with the same tight tactical gunplay, no lobby required.

Day of Defeat

Pick a class, hold the line with your team and make every trigger pull count in this old-school tactical shooter.

Counter-Strike

Team up in fast tactical shootouts where every round is decided by aim, timing and teamwork.

Deathmatch Classic

Deathmatch Classic is Valve's tribute to old-school arena shooters: grab a rocket launcher and test your reflexes across futuristic maps.

Ricochet

Ricochet is Valve's old-school futuristic shooter stripped down to agility, aim, and nerve.

Half-Life

Fight soldiers and monsters, solve your way through labs and tunnels, and try to survive. Still sharp, still tense, and still worth playing.

Team Fortress Classic

Pick a class, sprint across the map with your team, and fight over the flag in fast old-school multiplayer matches.

SteamVR

Set your room bounds, check your system, and hop between games from inside the headset.

Artifact

Artifact now features two games: Artifact Classic, the original Dota 2 trading card game, and Artifact Foundry, a special edition with streamlined…

Lepton Development

Aperture Desk Job

You are a new hire at Aperture Science, ready to climb the corporate ladder, and your first assignment is a desk.

Half-Life: Alyx

Fight an alien occupation from inside City 17, where every reload, drawer and headcrab is right there in your hands.

Dota Underlords

Draft heroes, build a crew that fights on its own, and outplay seven rivals in quick tactical rounds.

Aperture Hand Lab

You wave, shake, grab and play rock-paper-scissors with sarcastic personality cores while the lab judges your grip.

The Lab

Eight small worlds, each one a reason to put the headset on.

Dota 2

Pick a hero, team up with four others and fight your way through a match where every decision shifts the outcome.

Counter-Strike 2

Team up with four others, hold the angles, and win rounds with sharp aim and well-timed utility.

Portal 2

Fire linked portals to solve physics puzzles through the ruined labs of Aperture, with a sharp story and a co-op campaign for two robots.

Day of Defeat: Source

Pick a class, hold the capture points and let map knowledge and a well-timed grenade win the round.

Alien Swarm

A fast top-down co-op shooter where your squad picks classes, welds doors shut and fights through alien hordes in tense, replayable runs.

Left 4 Dead 2

Grab three friends, hack through the infected with machetes and shotguns, and hope the chaos goes your way.

Left 4 Dead

Fight through zombie-infested streets with three friends, where every run brings a different wave of infected.