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