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 Adventures of Tintin: The Secret of the Unicorn (video game) brings them to Haddock, who agrees to tell Tintin the story of his ancestor. The "Unicorn" was an enormous galleon that transported goods from various places to Europe. When it was attacked by Red Rackham, it was carrying gold, coins, diamonds and other precious treasure, which Rackham had hoped to steal. However, as Haddock re-enacts the sword fighting of his ancestor, he destroys some electric cables, setting fire to the cabin, which ultimately causes the ship to sink. Tintin, Snowy and Haddock manage to escape and climb onto a seaplane. The game then picks up where the first scene left