Persona 5 Tactica takes place concurrently with the events of Persona 5 (2016), depicting the Phantom Thieves of Hearts as they are transported to an alternate world overcome with war and oppression, prompting an alliance with a group of freedom fighters known as the Rebel Corps to stage a revolution against the enemies known as the Legionnaires while uncovering the truth of its mysterious origins.

Persona 5 Tactica is a tactical role-playing video game in which the player controls a party of up to three characters on a grid-based map populated by enemy units, who are directly confronted through the initiation of turn-based encounters.

[1] The ally units a player may take into battle comprise the central members of the Phantom Thieves of Hearts, as well the Rebel Corps' leader Erina.

[5] Sometime during the events of Persona 5 (2016) after the Phantom Thieves of Hearts defeated Yaldabaoth and lost their Metaverse powers, the party meetup at Cafe LeBlanc during preparation for their graduation from Shujin Academy.

[6][7] On TV, a news report announced that renowned politician and National Diet member Toshiro Kasukabe has gone missing, with clues to his whereabouts remaining unsolved.

Suddenly, the party is transported into an alternate, Medieval European-like world called a Kingdom ruled by Tyrant Marie, who easily overwhelms almost all of the Phantom Thieves by brainwashing them in order to serve her.

As Joker and Morgana are about to surrender, they're rescued by and allied with Erina, the leader of a group of freedom fighters known as the Rebel Corps, who vows to help her stage a revolution and free this world from its authoritarian rule under the tyrannical ruler known as the Legionnaires.

The thieves attempt to go home but instead arrive in an Edo period-like Kingdom ruled by Lord Yoshiki, a ruler who operates under the pretense of being a calm leader.

As the thieves traverse the school in search of the keys to a potential door home, Toshiro’s past with his former classmate Eri Natsuhara, a fellow student council member, is revealed: After reports of abuse and blackmail by vice-principal Ichiro Nakabachi, the two rallied his victims to expose his crimes.

Back in the real world, the party learns that Toshiro has withdrawn from his political campaign and exposed the crimes of his father and fiancé in a press conference.

When a mural depicting Joker's Persona is painted in his neighborhood, he, Goro Akechi, and Kasumi Yoshizawa investigate and are transported to an urban alternate dimension known as The Streets.

Guernica retreats and begins to contemplate what she's done, but Jerri further manipulates her in her weakened state into turning her rage at the status quo against ordinary people.

The first, conducted with the game's director Naoya Maeda, producer Kazuhisa Wada and business producer Atsushi Nomura, revealed details on the motivation behind making a Persona-themed strategy game, with Wada remarking on Tactica's potential for "expanding the possibilities of the series", in addition to his personal desire to tell a new story with the Persona 5 characters.

Persona 5 vocalist Lyn Inaizumi contributed new themes to the game's score, composed by Atlus Sound Team member Toshiki Konishi.

"[10] Earlier in development prior to the character redesigns being finalized, the team used the models of the Phantom Thieves members from Persona Q2: New Cinema Labyrinth (2019) when prototyping the game before deciding on the art direction.

[16] An additional story scenario titled "Repaint Your Heart" was made available from day one, both as a standalone purchase, and included with the game's Digital Deluxe Edition.

[26] Reviewers generally praised the game's themes of rebelling against oppression,[24][25][27] but Polygon and RPGFan considered the execution to be "taking a safe route" and "ring[ing] hollow" respectively.