GOG: Earthworm Jim 1 + 2
Original name: Earthworm Jim 1 & 2 - The Whole Can 'O Worm
GOG: Broken Sword 3: The Sleeping Dragon
Original name: Broken Sword: The Sleeping Dragon
GOG: Broken Sword 2: The Smoking Mirror
Original name: Broken Sword II: The Smoking Mirror
I wish GOG to keep the original name of the game, or maybe give me a reasonable explanation why they changed the name for some games.