Gfk took data from across 19 countries.
Both titles topped 1 million sales in the region.
In other news, water is wet.
But Nintendo dominates the Top 20 overall.
The Last of Us Part 2, Animal Crossing: New Horizons, and Assassin's Creed Valhalla also enjoyed strong sales throughout the year.
The life sim just won't stop.
The Switch dominates the charts for 2021's first full week.
The top 10 highest-earning titles accounted for 34 percent of the overall market last year.
The Switch exclusive enjoyed a 7% sales increase.
Assassin's Creed Valhalla drops down to second place.
Meanwhile, Cyberpunk 2077 sales drop by 80 percent.
It's the second biggest retail launch for a 2020 game in the UK.
Get ready to exchange gifts with your anthropomorphized neighbours.
Launch day sales for Ubisoft's open world title are 40 percent below Hyrule Warriors: Age of Calamity's.
Toy Day is coming on December 24th while a countdown to New Year's will happen on December 31st.
Explore the great unknown, cause destruction or build to your heart's desire with these great games.
PlayStation is the most nominated publisher with 22 nominations across all categories.
Players can now upgrade their home item storage and visit random dreams.
Turkey Day, Toy Day, new reactions and hairstyles, and save data transfers are incoming.
Its boxed physical launch sales are twice as much as 2018's Odyssey.
