My dog brought me this. The others stand watching, as if waiting for their next cue. But all of this takes place on the run, already thrown into the game, confronted with alien forces. In order to advance the plot, you must accede to some predetermined behaviors. There's just enough to make it interesting.
Characters wait for certain lines of dialogue.
Such urges suggest a deterministic structure to the game world. A tourist can only gaze and not interact. A masterful subject, the game designer for instance, can dominate all decisions within the game world. All friends become enemies, and all enemies, friends. By the end of the film, the audience is unsure whom to trust, and predictability falls into doubt.