The game is basically a loose chain of puzzles. What's worse, inconsistent chain. Okay, I understand that the idea of the game is combining real world investigation with the game environment, and that requires cutting some edges. It just doesn't work well. You can't have "guess the password" puzzle if you declare that the admins are obsessed with security to the point some computers are not connected to a network. Hey - I definitely don't work for a safety-critical company and we have better physical security. And, like, an alarm if anyone tries to enter the building after working hours.
The game offers no reward other than solving the puzzles themselves. Sometimes, the puzzles are quite straightforward. Sometimes, the solution is not obvious even in retrospect. I didn't find the game really "atmospheric" as advertised - you won't meet any other characters in-game, you won't explore the world, there is no narration, only sound effects and ambient music. Sound is not bad, but won't create atmosphere on it's own. Graphics are decent and pleasant, but most of the locations present are dead-end parts of the puzzle of "where to go next?".
Be advised that the game requires you to do stuff outside of the program itself. You will need to look up information from the real world, and that's quite bold requirement from a game that can only run fullscreen. What's worse, you'll need to access game's web and send e-mails to game's address. The game doesn't advertise this before purchasing, and it doesn't offer any privacy policy on e-mail addresses potentially harvested from players.
