The listing, Subject 13 - Steam Key has ended.
Subject 13 is the new adventure game developed by Paul Cuisset—the man behind "Flashback", "Future Wars: Adventures in Time" and "Moto Racer"—in partnership with Microïds.
This is a true adventure game. It depicts a mysterious universe filled with secret hiding places and all kinds of mechanisms that the player discovers, analyzes, and activates. There are also objects to collect and to figure out how to use in the backdrops…
Subject 13 will make you travel from a secret base that has been abandoned to a strange and mysterious island, so you can discover the real story. You'll have to muster all your insight and intelligence for this daunting challenge.
Here is a steam copy for Subject 13, for more informations , please check :
http://store.steampowered.com/app/322970/
All you need to do after receiving the key is :
1- Open your steam and sign-in.
2- Go to the games menu in the top of the screen you will find "Activate a steam product".
3- Follow the instructions then enter the key to activate the game.
4- Install the game.
5- Enjoy it.
Please note that if you use the key and activate the game through steam, you can't ask for a refund.