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.

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.

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.

Garry's Mod

Weld props into whatever you like, then let the physics and your friends ruin it in the funniest ways.

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.

Half-Life: Blue Shift

Half-Life: Blue Shift puts you in the worn shoes of Barney Calhoun, the security guard who spent the original game holding doors for Gordon Freeman.

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: Opposing Force

A soldier cut off in Black Mesa fights through new weapons, new aliens and a fresh angle on the Half-Life story.

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.

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.

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. ---