Steam is offering the PC military simulation first-person shooter game ARMA: Cold War Assault as freeware until May 19, 2014 10am Pacific Time.
Click on "Read More to view the instructions on how to get the game.
If you're new to the Steam platform here are the instructions:
1. Go to http://store.steampowered.com/ and make a Steam account (it's free to do so)
3. Click on "Store" on the Steam user interface.
4. Search for ARMA: Cold War Assault on the UI's search field.
5. Click on ARMA: Cold War Assault.
6. Verify your age and on the succeeding page, click "Install Game."
You don't even have to download it now if you're busy at the moment. As soon as you click the "Install Game" button, the game is yours forever to download whenever you want it. Enjoy!
Here's a video of me playing the game (I turned down the game's "Voices" setting a bit too low though):