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