Overwatch 2: The game is getting a "dating sim" on 14th February which is likely to be an official implementation of dating custom modes where players get to roleplay.
League of Legends: Amumu, Caitlyn and Vi are getting special Valentine's skins as part of this year's celebrations.
Fornite: This year's Hearts Wild event is already live and you have until 15th February to earn exclusive skins and participate in the Hearts Wild Cup.
Apex Legends: The popular battle royale is getting a brand-new game mode where players load in with Bocek Bows as duos and have to play close to each other to heal.
Call of Duty: Mobile: There is a special Love Story event in Call of Duty: Mobile that is offering players a special Phobos skin as part of the game's Valentine's Day celebrations.