Here is the full list of all 31 UFC Undisputed 2009 trophies - there are 10 bronze, 16 silver, 4 gold and 1 platinum.
Obtain all Gold, Silver, and Bronze Trophies!
Obtain all the gold medals in a Weekly Mission for Online Mode.
Win 100 online Ranked Matches with a CAF or UFC fighter.
Reach level 50 or higher in Online Mode.
Gain a million or more fans in Online Mode.
Complete Career Mode and retire undefeated.
Win the UFC Championship in each weight class in Career Mode.
Win 15 online Ranked Matches with a CAF or UFC fighter by submission.
Obtain all the trophies in Career Mode with a fighter.
Obtain the KO, Submission and Fight of the Night Awards with a fighter in Career Mode.
Escape 20 submissions by technical escape against a COM UFC Fighter in Exhibition or Career Mode.
Unlock all movies from the Classic Fights Mode.
Complete one fight in Exhibition Mode with each UFC fighter.
Win 50 online Ranked Matches with a CAF or UFC fighter.
Win in under 20 seconds of the 1st round against a COM UFC Fighter in Exhibition or Career Mode.
Win by Submission using no striking moves against a COM UFC Fighter in Exhibition or Career Mode.
From the gassed state, Submit an opponent in any mode.
Complete all tasks from the Tutorial Mode.
Enter the Hall of Fame with a fighter during Career Mode.
Win the UFC Championship with a fighter in Career Mode.
Win 30 online Ranked Matches with a CAF or UFC fighter.
Win 15 online Ranked Matches with a CAF or UFC fighter by KO.
Win 15 online Ranked Matches with a CAF or UFC fighter.
Win a fight by flash KO in a Ranked Match with a CAF or UFC fighter.
Win an online Ranked Match with a CAF or UFC fighter.
Win by KO without using any grappling moves against a COM UFC Fighter Exhibition or Career Mode.
Watch the Octagon Girl cutscene 15 times without skipping it.
Mouth piece travels more than 3 meters when knocked out.
Create A Fighter and use the CAF in Exhibition or Online Mode.
Dominate the opponent in all 3 scenes of a replay segment.
From the gassed state, KO an opponent in any mode.