2017. Honorable Mentions: Cuphead, NieR: Automata, Splatoon 2. Technically played Voidheart Edition which released in 2018 after all of its post game updates were released. Counting it for 2017 as this was the base game's official release year.
God of War
2018. Honorable Mention: Celeste
Bloodborne
2015.
Dark Souls III
2016. Honorable Mentions: Overwatch (on release), Enter the Gungeon, Stardew Valley. Technically played The Fire Fades Edition which released in 2017 which included both DLCs. Counting it for 2016 as this was the base game's official release year.
Sekiro: Shadows Die Twice
2019. Honorable Mention: Death Stranding
God of War Ragnarök
2022. Honorable Mentions: Elden Ring, Cult of the Lamb