Here is the full list of all 50 Street Fighter X Tekken achievements worth 1,000 gamerscore.
Win 100 matches over Xbox LIVE.
Finish a round with a Super Art 300 times.
View 50 replays in the Replay Channel.
Have your replay downloaded 20 times in My Channel's Broadcast Mode.
Fight 100 matches over Xbox LIVE.
Use Arcade Fight Request 30 times.
Activate your Assist Gems 100 times.
Obtain 300 Titles.
Win 50 matches over Xbox LIVE.
Fight 50 matches over Xbox LIVE.
Win a match in Endless Battle.
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.
Win 10 matches over Xbox LIVE.
Win 5 matches over Xbox LIVE.
Connect with 500 Super Arts.
Connect with 500 EX Special Moves.
Win a round without getting hit 100 times.
Connect with 500 Launchers.
Connect with 500 Special Moves.
Win in a Ranked Match.
Activate your Boost Gems 100 times.
Clear one mission in Mission mode.
Defeat 5 rival teams in Arcade mode on Medium difficulty or higher.
Clear Arcade mode on Medium difficulty or higher.
Clear all of the lessons in the Tutorial.
Go into Training mode 10 times.
Clear 300 trials in Trial mode.
Customize your player comment.
Access the Store.
Customize a character's color.
Clear ten trials in Trial mode.
Clear one trial in Trial mode.
Customize a Gem Unit.
Customize your player Title.
Clear one lesson in the Tutorial.
Activate Cross Assault 500 times.
Activate Pandora 500 times.
Connect with 500 Cross Arts.
Connect with 100 Quick Combos.
Finish a round with Cross Assault 300 times.
Finish a round with Pandora 300 times.
Finish a round with a Cross Art 300 times.
Defeat all of the bosses in Arcade mode on the hardest difficulty.
Clear all of the missions in Mission mode.
Fight 300 matches over Xbox LIVE.
Fight 500 matches over Xbox LIVE.
Use a character in battle over 300 times.
Unlock all Achievements.