Detective Sebastian Castellanos has lost everything, including his daughter, Lily. To save her, he must descend into the nightmarish world of STEM. Horrifying threats emerge from every corner, and he must rely on his wits to survive. For his one chance at redemption, the only way out is in.
After purchase it is necessary:
1. Download and install Steam http://steampowered.com/download/SteamInstall.msi (if not)
2. Register a new account on Steam or go to an existing one;
3. Select "Activate via Steam ..." in the "Games" section
4. Enter the code you received after payment.
5. After activation, the game appears in the list of games and you can download it from steam, and then start playing.