2020 saws tons of games featuring explorable open worlds of all different sizes. Here are some of the most popular.
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#10 Mafia: Definitive Edition

Platform: PC PS4 Xbox One

Release Date: September 25, 2020

#9 Mount and Blade 2: Bannerlord

Platform: PC

Release Date : March 30, 2020

#8 Yakuza: Like a Dragon

Platform: PC Xbox One XSX November 10, 2020

Release Date : PS4 November 10, 2020

#7 Immortals Fenyx Rising

Platform: PC PS4 PS5 Xbox One XSX Switch Stadia Amazon Luna

Release Date : December 3, 2020

#6 Watch Dogs Legion

Platform: PC PS4 Xbox One Stadia 29 October 2020

Release Date : XSX Amazon Luna 10 November 2020

PS5 12 November 2020

#5 Ghost of Tsushima

Platform: PS4

Release Date : July 17, 2020

#4 Cyberpunk 2077

Platform: PC PS4 Xbox One Stadia

Release Date : 10 December 2020

#3 Spider-Man: Miles Morales

Platform: PS4, PS5

Release Date : November 12, 2020

#2 Assassin’s Creed Valhalla

Platform: PC PS4 Xbox One XSX Stadia November 10, 2020

Release Date : PS5 November 12, 2020

#1 Microsoft Flight Simulator

Platform: PC

Release Date : August 18, 2020

BONUS

Dragon Ballz Kakarot

Platform: PC PS4 Xbox One

Release Date : January 17, 2020

No man’s sky Origins

Platform: PC PS4 Xbox One

Release Date : September 23, 2020

Need for Speed™ Hot Pursuit Remastered

Platform: PC PS4 Xbox One 6 November 2020

Release Date : Switch 13 November 2020

Crysis Remastered

Platform: Switch July 23, 2020

Release Date : PC PS4 Xbox One September 18, 2020

Cloudpunk

Platform: PC April 23, 2020

Release Date : Switch PS4 Xbox One October 15, 2020