The story of SD Gundam Emotional Jam takes place in a post-apocalyptic world where giant mobile suits roam the planet. The player must control one of these mobile suits, known as "Gundams," to fight against rival factions and restore peace to the world.
Gameplay for SD Gundam Emotional Jam revolves around strategy and resource management. The player must gather resources, such as crystals, to upgrade and customize their Gundam. As they progress through the game, new mobile suits can be obtained and upgraded with advanced abilities. The player's goal is to defeat rival factions and become the ultimate Gundam commander.