In the speedrunning community, yes. For the casual player? Absolutely not.
Consider the modern context: Dragon Ball Sparking! ZERO (the spiritual successor) just released in 2024. Most players have moved on to that. However, BT3 remains superior for local multiplayer on the go because it runs perfectly on mid-range Android phones.
Using a 100% save file allows you to:
If you prefer to unlock everything legitimately:
Managing save data for Dragon Ball Budokai Tenkaichi 3 on Aethersx2 involves a few steps, especially if you're transferring saves from a physical copy of the game on a PS2 to the emulator.