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