What are the special features that unlocked after finishing the game?

What are the special features that unlocked after finishing the game? - From above of plates with remains of various dishes left after festive dinner on table with cutlery and flowers

After completing the GOG version of Broken Sword: The Sleeping Dragon a notice appears stating that:

You have unlocked a number of special features.

But the only feature I noticed a were the Concept Art Gallery. Is there anything else that have been unlocked ?






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What are the special features that unlocked after finishing the game? - Photo of Man Wearing Green Combat Uniform Holding Rifle
What are the special features that unlocked after finishing the game? - Curling stones and brooms in house
What are the special features that unlocked after finishing the game? - Rainbow on sky over sea





10 CRAZY Things You UNLOCK Only After Finishing The Game




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Images: Rachel Claire, Lukas, SHVETS production, Ben Mack