This Season 1 Pass includes:
The Sunken Treasures DLC: Expand your island with a new European session and large continental island, as you join an eccentric inventor and his diving bell on a treasure hunt.
Botanica DLC: Grow your city's attractiveness to new heights with a modular Botanical Garden, allowing you to earn new items and rewards as you draw the tourist masses to your floral masterpiece. Or construct the new Musical Pavilion and enjoy beloved tracks from previous Anno games inside your city.
The Passage DLC: The Passage will take you on an a new adventure to the arctic circle as you explore the legendary northwest passage. To succeed in this merciless climate, you will need to construct an arctic outpost and master all-new production chains and goods.

This Season 2 Pass includes:
Seat of Power: Show off the power of your city with a prestigious palace and government departments that can boost your economy.
Bright Harvest : Bring the wonders of mechanised farming as you boost the efficiency of your farms with tractors and more.
Land of Lions : Travel to the Southern continent and join forces with an embattled Emperor to bring life to the desert using a new irrigation system.
And 3 exclusive ornaments

Upgrade from the Standard to the the Deluxe Edition with the Deluxe Pack!

The deluxe pack includes : 

• The Anarchist mission: meet Doctor Hugo Mercier, who will put your city-building and diplomatic skills to the test 
• Four exclusive company logos to customize your in-game profile
• A selection of music from the game's orchestral soundtrack
• A digital art book
 

Take your Anno 1800™ experience to the next level with the new arctic session: The Passage.

• Construct arctic outposts and a fleet of airships to speed up the trade across all sessions of your empire
• Enjoy the new Explorer and Technician residential tiers
• Master new production chains and arctic trade goods
• Use the new heating system to ensure your residents survive the brutal cold of the Passage

The Anno 1800™: Holiday Ornament Pack gives players a range of cosmetic ornaments to turn their industrial cities into a holiday wonderland:

• A festive carousel, including fan favorite vehicles from the game.
• Two Christmas trees, to fit the occasion.
• Santa’s Grotto, giving your citizens a chance to share their wish lists.
• Three different markets stalls for your very own Christmas market.
• A jolly hoard of Christmas presents.
• Two festively ornamented street lanterns.
• An appropriately wintery snowman ornament.
• A decorated hedge system with six tiles.
• A decorated fence system with six tiles.