Analysis based on PSPSDK documentation, GameFAQs user dumps (2011–2013), and PSP community reverse-engineering threads.
tracks all progression, including story completion, character unlocks, and power-up capsules. Many players seek "100% Complete" save files to bypass the lengthy grind required to unlock the full roster and high-level items. Common features in a completed save file include: Full Roster Unlocked:
The game has 38 base characters (excluding transformations). Bit 0 at offset 0x0400 = Goku (Early), Bit 37 = Super Saiyan 3 Broly (unlocked via 100% Ultimate Battle Z).
The game does team attacks. It features 70 playable and deeply customizable characters, multiple modes, and Ad-Hoc Party gameplay. Dragon Ball Wiki Dragon Ball Z: Tenkaichi Tag Team – Save Games - GameFAQs
The grind in Tenkaichi Tag Team is real. To unlock every character and stage, players must complete the Dragon Walker mode (a board-game-style adventure) and the Dragon Battle Tourament (DBT) mode repeatedly. Here is what a standard 100% save file typically includes: