
Named Game of the Year by over 50 publications, Valve's debut title blends action and adventure with award-winning technology to create a frighteningly realistic world where players must think to survive. Also includes an exciting multiplayer mode that allows you to play against friends and enemies around the world.
Most likely between $19.5M and $55.2M. On 8 games checked against developer-reported sales, our median error is 11%. How we estimate →
Engagement
Hours played at review time, across 2.7K reviews with recorded playtime.