Play Counter-Strike

Play Counter-Strike 2, a popular first-person shooter game

Complete the critically acclaimed first-person shooter game Half-Life 2.

Complete Half-Life 2: Episode One, the first episodic sequel in the Half-Life series

Complete the final chapter of the Half-Life 2 episodic series, a first-person shooter game.

Achieve 1000 hours of gameplay in Left 4 Dead 2, a cooperative zombie survival first-person shooter

Complete the classic first-person shooter game Half-Life, known for its immersive storytelling and innovative gameplay.

Complete the virtual reality game Half-Life: Alyx, set in the Half-Life universe.

Complete the Half-Life: Opposing Force expansion, a first-person shooter set in the Half-Life universe