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Sam's adventures culminate when he visits an old arcade, missing his father's presence deeply. Encountering an odd marking on the floor leads him to a secret doorway, ultimately digitizing him and thrusting him into the surreal landscape of the Grid. Here, he quickly realizes he must navigate this unfamiliar world, where he is perceived as just another program among countless others. Captured and placed into a line for “derezzing” or being sent to the games, Sam learns the new rules governing this digital realm.