Shin Megami Tensei, and Persona

Persona 3, originally released in 2006, is one of the classic titles in this series.

Shin Megami Tensei and Persona are two of Atlus's most popular franchise in both Japan and America.
Shin Megami Tensei (メガテン in Japan) is the original franchise that started it all, consisting of several genres, with each entry sharing the same core features. The Persona franchise is a JRPG that features a group of students as the main cast, who use Personas for combat.

Here is a short timeline of some of the major entries in this series in America.

1996 - Revelations: Persona (PSX)
2004 - Shin Megami Tensei III: Nocturne (PS2) ; The first SMT game to be released in the West.
2007 - Persona 3 (PS2) - The original release of Persona 3 in the West.
2008 - Shin Megami Tensei: Imagine
2008 - Persona 4 (PS2)
2009 - Persona 3 Portable (PSP)
2011 - Persona 2: Innocent Sin (PS2)
2014 - Persona Q: Shadow of the Labyrinth (Nintendo 3DS)
2017 - Persona 5 (PS3/PS4)
2019 - Persona Q2: New Cinema Labyrinth (Nintendo 3DS)
2020 - Persona 5 Royal (PS4), a rerelease of Persona 5
2021 - Shin Megami Tensei V (Nintendo Switch)