Downloading games from third-party sites like Hienzo carries risks:
It does not support the developers who created the game.
Files from unofficial sources can contain viruses or "keyloggers" that steal your personal information.
If you are looking for the game, I recommend checking or GOG first, as they often have the "Complete Edition" at a significant discount.
You follow the instructions of a deceased hacker named Bit to uncover the truth behind his death, using actual UNIX commands to bypass security and navigate networks.