Other technologies added post-release include effects Valve are to add to the game to make it look closer to a World War II era film. Day of Defeat: Source was the first game implemented with their new high dynamic range lighting, with other Source titles later following suit. With the Source engine's modularity and the Steam platform's distribution technology, Day of Defeat offers many technologies that had not yet been seen in games upon its release. Indeed, the release went so well that players soon found every server full, and only poorly-configured and laggy listen servers with free slots. Unlike Half-Life 2, the game's release on Steam went smoothly, with large IRC parties and live radio shows organized by fans adding to the sense of anticipation. Day of Defeat: Source was released in retail as a Stand-Alone Product for $19.99 USD.
