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