Hartdegen is a fictional character from the video game series ARK: Survival Evolved. He is known as a skilled scientist and inventor who plays a crucial role in the game's storyline, particularly in the context of time travel and advanced technology. In the game, Hartdegen is associated with the Tek tier, which features futuristic items and structures. His character is often linked to the exploration of the game's various environments and the challenges players face while surviving in a world filled with dinosaurs and other prehistoric creatures.