This is a great freebie from GOG! You can get a free copy of the Wolfenstein: Enemy Territory PC Game!
Wolfenstein®: Enemy Territory is a free-to-play, objective-based multiplayer World War 2 first-person shooter. Featuring up to 32 players, choose either the Axis or Allies, as you fight across six maps based on real-world battle locations.
Play as one of five unique classes (Engineer, Medic, Soldier, Field Ops, and Covert Ops) as you work with your team to complete key objectives necessary for victory.
How to Claim: Click request sample now, below, and then either login to an existing account or create a new free account to claim.