Paradox Interactive announced that Lead and Gold: Gangs of the Wild West is going to be available for half the price on Valve’s Steam Platform. The game is also going to be free to play the whole weekend, to give players the ability to take a glimpse into the game.

Developed by Fatshark, the game continues to build up a great community, with the recent addition of dedicated servers and the new map. You can try out the game for free throughout the weekend by visiting store.steampowered.com/app/42120/.

Croteam announced that their high definition first-person shooter, Serious Sam HD: The Second Encounter, is going to be free for all users on Valve’s Steam Platform throughout the weekend, from the 8th of July, to the 11th of July, 2010.

Steam users around the world will be able to play and experience all the new multiplayer modes of the game with up to sixteen players.

Modes like Cooperative Survival, My Burden and Beast Hunt, and also the classic DeathMatch and Campaign Cooperative Modes will be available.