A free program for Android, by Flying With Gauss.

You play as the last surviving member of the Gunther group, the first person to discover the truth about the secret society that created the game. In the story, the Gunther group is forced to face the real world, and their secrets are revealed.

The game is based on the Half-Life: Blue Shift story. The story is not linear, and the events in it do not necessarily happen in the order they are told.

To play the game, you need to be at least 14 years old. The game requires the player to be in control of a character who can move and interact with the environment in various ways. The player can also choose to control a number of different characters, each of them having a different appearance and a unique set of skills and abilities.

To start the game, the player needs to complete a series of tasks, which include finding hidden objects, opening locks, and solving riddles.