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