Valve's shooters and puzzlers

From Portal 2 puzzles to Counter-Strike 2 rounds, explore Valve's catalog and find something that fits how you want to play today.

This collection gathers 27 games from Valve in one place, so you can see the range side by side. You will find first-person play built around hands-on problem solving, from Portal 2 with its connected doorways that reshape each room to Half-Life: Alyx with its scavenging and close encounters in City 17, plus Counter-Strike 2 with its short attack-and-defend rounds where coordination and accurate shooting decide everything.

Developed by Valve

Dota 2

Dota 2

Dota 2 is a team-based MOBA where two teams of five pick from over a hundred free heroes and battle across one map.

80% of 2,814,212 Steam reviews are positivePlayers online now: 798,129Free
Portal 2

Portal 2

Portal 2 gives co-op friends their own full campaign apart from the solo story.

98% of 392,971 Steam reviews are positivePlayers online now: 2,287$9.99
Alien Swarm

Alien Swarm

Alien Swarm is a four-player co-op top-down shooter where you and your co-op friends clear an overrun colony of aliens.

94% of 21,665 Steam reviews are positivePlayers online now: 33Free
Left 4 Dead 2

Left 4 Dead 2

Left 4 Dead 2 is a co-operative horror shooter set in the zombie apocalypse, taking you and three co-op friends from Savannah to New Orleans through…

97% of 825,861 Steam reviews are positivePlayers online now: 28,354$9.99
Left 4 Dead

Left 4 Dead

Four survivors, a city full of infected, and no way through alone.

96% of 58,797 Steam reviews are positivePlayers online now: 626$9.99

Published by Valve

Dota 2

Dota 2

Dota 2 is a team-based MOBA where two teams of five pick from over a hundred free heroes and battle across one map.

80% of 2,814,212 Steam reviews are positivePlayers online now: 798,129Free
Portal 2

Portal 2

Portal 2 gives co-op friends their own full campaign apart from the solo story.

98% of 392,971 Steam reviews are positivePlayers online now: 2,287$9.99
Alien Swarm

Alien Swarm

Alien Swarm is a four-player co-op top-down shooter where you and your co-op friends clear an overrun colony of aliens.

94% of 21,665 Steam reviews are positivePlayers online now: 33Free
Left 4 Dead 2

Left 4 Dead 2

Left 4 Dead 2 is a co-operative horror shooter set in the zombie apocalypse, taking you and three co-op friends from Savannah to New Orleans through…

97% of 825,861 Steam reviews are positivePlayers online now: 28,354$9.99
Left 4 Dead

Left 4 Dead

Four survivors, a city full of infected, and no way through alone.

96% of 58,797 Steam reviews are positivePlayers online now: 626$9.99
Garry's Mod

Garry's Mod

Garry's Mod is a physics sandbox with no goals, only tools and toys.

96% of 1,101,001 Steam reviews are positivePlayers online now: 27,562$9.99