Gloria Union: Twin Fates in Blue Ocean[a] is a tactical role-playing game for the PlayStation Portable, developed by Sting Entertainment and published by Atlus.

Through the centuries, Euforia developed many customs based on the use of Will, but when one day they realized that their civilization would soon come to an end, they poured all their Will into crystals in order to leave a record of their culture behind.

In certain game maps, the Gloria pirate ship itself is available as a mobile cannon battery and piece of crossable terrain.

Gloria Union also contains a hidden feature in certain battlefields which allows the player to swap the formation style of units from male to female and vice versa regardless of their actual gender.

Sunny conditions are the default, whereas rainy weather decreases the power of units aligned to fire and gun-using classes.

[1] Much like Blaze Union before it, Gloria's development was kept secret until its unveiling, unlike Gungnir, which JaJa discussed in its early stages on his blog.

A remastered version of the game featuring various graphical and gameplay adjustments titled Gloria Union: Twin Fates in Blue Ocean FHD Edition is planned for a March 18, 2021 digital-only release for iOS, Android and Nintendo Switch platforms in Japan.

In addition to this, preorders at Messe Sanoh's women-oriented vendor include a full set of bromide cards featuring the male cast, a first for the Union series as well as the Dept.