Here is the full installation of Day of Defeat Beta 3.1B for Steam! This is the vintage Day of Defeat mod, before it went retail and the development team...
Day of Defeat (a.k.a. DoD) is the latest online action experience from Valve, makers of Half-Life and Counter-Strike. Stationed in the heart of WWII's European Theater of Operations, players join the ranks of an elite military squad entrenched in battle.
Each team has several "player classes," that give each squad member a unique role. These include scout, infantry, sergeant, machine gunner, and more, each with a unique arsenal of historical weaponry at their disposal.
Day of Defeat includes an expansive collection of missions based on key historical battles. And a near infinite number of additional missions, created by the online development community, are available for download.
As war rages, squads must battle as a unit to achieve victory.
Class system gives each player a unique role
Historically-simulated weaponry and items
Dozens of missions based upon WWII's greatest battles.
Built-in support for voice communication
Introduction of British troops.
Enhanced FX for smoke, fire, rain, etc.
New sounds and music.
Updated player and item models.
Completely overhauled interface - supports in and out of game configuration, server browsing, and more.
you can find custom content here