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