The Adventures of Tintin: The Secret of the Unicorn (video game) wants to get the third scroll, and that he is in fact Allan's boss. After a fight with Allan, Tintin gets the third scroll and heads off to Brittany, where he and Haddock earlier identified as Sir Francis' hideout. Learning that the scrolls contain the coordinates of the treasure of Red Rackham, Tintin and Haddock plan to head there, but Haddock is kidnapped by Allan, who uses him as a hostage to get the scrolls. After rescuing Haddock, Tintin discovers that the treasure is hidden within Marlinspike Hall. There they find the treasure and Thomson and Thompson arrest Allan and
The Secret of the Unicorn and in doing so "deals with the meanings of symbolic relations within personal life". Discussing the character of Sir Francis Haddock, he states that this ancestral figure resembles both Tintin and Haddock, "the foundling and the bastard", thus making the duo brothers as well as close friends. He adds that when Captain Haddock reenacts his ancestor's fight with Rackham, he adopts his "very soul, his "mana", and is transformed in the process." Apostolidès also discusses Red Rackham, noting that the name "Red" conjures up "the forbidden colour of blood and wine" while "Rackham" combines "raca" ("false brother") with the French