MMO

World of Tanks is a Massively Multiplayer Online game in which players control tanks from the mid-20th century, with a focus on player-vs-player gameplay.

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World of Warships is the ultimate free-to-play MMO action game that provides equal access to all gameplay features.

Lord British (Richard Garriott) himself returned with a successor to Ultima and especially Ultima Online.

Inspired by the beloved Pokemon franchise, Temtem is a new massively multiplayer online game that allows players to collect creatures, battle other tamers, and explore the world of Omnesia.

Sea of Thieves brings the dreams of pirates of all ages to life.

Elder Scrolls Online turns the Elder Scrolls universe into a living, breathing world. Quest by yourself, or with friends as you set out to save yet another world.

Last Oasis is a unique take on the survival simulator genre, boasting a MMO-sized world and walking mobile bases fit to escape the scorching sun. From the Steam page:

An ambitious space MMO Universe, Dual Universe was one of the biggest Kickstarted games of 2016 and has managed to raise significant (by non-Star Citizen numbers) funding via crow

Save the world one expansion at a time in Blizzard Entertainment's long-running MMO.

Destiny is a First Person Shooter where you assume the mantle of guardian to fight back the oncoming darkness and protect the last stronghold of light.