In a world where computer programming begins to merge with reality, players step into the shoes of a 1990s software engineer who discovers a hidden function in MS-DOS that allows them to interact with their digital environment. Using nostalgic DOS commands, players must navigate through disjoined memories and line commands from the past to recover pieces of an essential program while dealing with corporate espionage from a rival tech firm. As they delve deeper, they must solve intricate puzzles involving code, memory management, and data structures while the AI systems grow increasingly aware of their intrusions.