Here is the full list of all 50 Street Fighter X Tekken trophies - there are 40 bronze, 6 silver, 3 gold and 1 platinum.
Unlock all Trophies.
Finish a round with a Cross Art 300 times.
Connect with 500 Cross Arts.
Finish a round with Cross Assault 300 times.
Activate Cross Assault 500 times.
Fight 500 matches online.
Finish a round with a Super Art 300 times.
Connect with 500 Super Arts.
Activate Pandora 500 times.
Finish a round with Pandora 300 times.
Win a round without getting hit 100 times.
View 50 replays in the Replay Channel.
Fight 300 matches online.
Have your replay downloaded 20 times in My Channel's Broadcast Mode.
Connect with 500 EX Special Moves.
Connect with 100 Quick Combos.
Clear all of the missions in Mission mode.
Obtain 300 Titles.
Defeat 5 rival teams in Arcade mode on Medium difficulty or higher.
Clear 300 trials in Trial mode.
Use a character in battle over 300 times.
Go into Training mode 10 times.
Defeat all of the bosses in Arcade mode on the hardest difficulty.
Create 10 lobbies in Endless Battle.
Use Arcade Fight Request 30 times.
Activate your Assist Gems 100 times.
Win 100 matches online.
Get to C rank for the first time in Ranked Match.
Fight 100 matches online.
Connect with 500 Launchers.
Raise your battle class rank for the first time in Ranked Match.
Win 50 matches online.
Fight 50 matches online.
Clear one mission in Mission mode.
Connect with 500 Special Moves.
Win 10 matches online.
Activate your Boost Gems 100 times.
Win 5 matches online.
Win a match in Endless Battle.
Access the Store.
Clear Arcade mode on Medium difficulty or higher.
Win in a Ranked Match.
Customize a character's color.
Customize a Gem Unit.
Customize your player comment.
Customize your player Title.
Clear ten trials in Trial mode.
Clear one trial in Trial mode.
Clear all of the lessons in the Tutorial.
Clear one lesson in the Tutorial.