Here is the full list of all 48 GUILTY GEAR Xrd -SIGN- achievements.
[TUTORIAL] Finished all the basic training.
[ARCADE] Finished any one of the characters' stories. (Any difficulty).
Triggered Danger Time during a proper match.
Landed an Overdrive Special from a disadvantageous situation in a proper match.
Fired up the game.
Unlocked all achievements.
Collected 1,000,000 World Dollars.
[ARCADE] Finished all 14 characters' stories. (Any difficulty).
[M.O.M.] Slipped on a banana.
[M.O.M.] Unlocked rank 14.
[M.O.M.] Collected all items.
[VERSUS] Fought a match in local versus mode.
[STORY] Finished the entire story.
[TUTORIAL] Finished the second round of basic training within the designated time.
[CHALLENGE] Cleared 50 challenges.
[CHALLENGE] Cleared 150 challenges.
[CHALLENGE] Cleared 300 challenges.
[MISSION] Completed 5 missions.
[MISSION] Completed 30 missions.
[TRAINING] Trained for more than 1 hour.
[DATABASE] Edited your profile.
[DATABASE] Watched at least 10 replays.
[DATABASE] Purchased your first piece of content in Gallery Mode.
[Player Match] Used the in-game comment functionality for the first time.
[Ranked Match] Your first victory.
[Ranked Match] Promoted to rank xx.
[Ranked Match] Fought a total of 100 matches.
[Ranked Match] Defeated a higher ranked opponent.
[Player Match] Made 50 comments while spectating a Player Match.
[Player Match] Fought in more than 100 matches.
[Player Match] Hosted a room.
[Player Match] Fought in a room set to M.O.M. mode.
[Player Match] Played the online training.
[Player Match] Used the alternate character voice greetings.
[Player Match] Observed 10 matches.
Scored a perfect victory in a proper match.
Landed an Instant Kill in a proper match.
Got a come-back victory in a proper match.
Used all the colors of Roman Cancels during a proper match.
Used 100 Roman Cancels during proper matches.
Successfully executed and landed a Blitz Shield during a proper match.
Successfully executed a total of 100 Blitz Shields during proper matches.
Landed 10 Mortal Counters during a proper match.
Landed a 100% combo. (Excludes Instant Kills).
Listened to Ramlethal and Lucifero's conversation.
Hit a homerun with Faust.
Witnessed Ky let his hair down during a proper match.
Used Sin for the first time in a proper match.