Here are the four secret achievements you can unlock in Dragon Ball Z: Ultimate Tenkaichi for the Xbox 360.
Check out my other guide if you’re looking for the complete list of unlockable achievements for Dragon Ball Z: Ultimate Tenkaichi.
Dragon Ball Doctorate (20) – View all character profiles in the Character Encyclopedia
Thank You Very Much!! (40) – Watch the Credits
That One’s Even Bigger!! (20) – Summon Porunga for the first time
That’s One Big Dragon!! (15) – Summon Shenron for the first time
