Gameplay revolves around exploring a world map and successfully completing battles, which enable soldiers and vassals to strengthen.

Imperial SaGa is a role-playing browser game in which players take the role of a line of Emperors or Empresses; their goal is the defeat enemies, expanding their territory and defending their people.

[1] The aim is to defeat enemies and boss opponents on the world map to advance the story and raise a character's experience level; players can fight manually, or enable Auto-battle.

[1][2][3][4] Imperial SaGa was developed by Japanese studio Think & Feel, who had previously worked with Square Enix on the Nintendo DS titles Final Fantasy XII: Revenant Wings and Blood of Bahamut.

Arrangements were created for the various tracks for different story routes, handled primarily by Noriyuki Kamikura and Noritoshi Narita.

[9] The original scenario was written by Moku Tochibori, who had previously worked on Emperors SaGa, in addition to game titles including Metal Gear Acid and Final Fantasy Type-0.

Tochibori was helped in writing the scenario by Benny Matsuyama, who had created supplementary material related to Square Enix's games for publisher Studio BentStuff.

[6] Other new characters and redesigns of earlier protagonists being handled by Kurahana Chinatsu, noted for her work on Uta no Prince-sama.

The character sprites were created using a modern form of the "dot graphic" pixel art used in early SaGa titles.

[16][17] Following its initial release, general feedback was positive, with future updates addressing complaints about LP recovery rates.