Here is the full list of all 49 THE KING OF FIGHTERS XV achievements.
Activated Max 20 times (excl. PvP matches/training mode).
Unlocked 5 albums in the DJ Station.
Achieved an SS clear rank in Story Mode.
Achieved 10 perfect wins (excludes PvP versus modes).
Fought a Single VS match via Room match.
Achieved 20 K.O.s with a Super Special Move (excl. PvP matches/training mode).
Customized music at the DJ Station.
Acquired 50 titles.
Achieved a K.O. with a Climax Super Special Move (excl. PvP matches/training mode).
Executed 20 Super Cancels (excl. PvP matches/training mode).
Executed 20 K.O.s with an EX Special Move (excl. PvP matches/training mode).
Acquired 30 titles.
Landed 50 or more hits in a single combo (any mode).
Activated Quick Max 20 times (excl. PvP matches/training mode).
Cleared Story Mode for the first time.
Landed a Shatter Strike (excl. PvP matches/training mode).
Successfully executed 10 throws(excl. PvP matches/training mode).
Acquired 10 titles.
Cleared all three-person mission trials.
Dealt 900 or more damage in a single combo (any mode).
Cleared all two-person mission trials.
Punished 20 times (excl. PvP matches/training mode).
Performed 10 reversals(excl. PvP matches/training mode).
Fought a Team VS match via Room match.
Trained in Training Mode.
Cleared all single-person mission trials.
Cleared Story Mode with 3 official teams.
Cleared Story Mode with 5 official teams.
Cleared Story Mode with 10 official teams.
Cleared Story Mode with all random characters.
Fought online 10 times (excl. Room matches).
Fought online 30 times (excl. Room matches).
Achieved your first victory online (excl. Room matches).
Won 10 ranked matches.
Won 30 ranked matches.
Achieved your first ranked-match winning streak.
Reached rank 16.
Fought a Party VS match via Room match.
Fought a Draft VS match via Room match.
Fought in a room you've created in Room match (any mode).
Increased your rank.
Landed 20 Shatter Strikes (excl. PvP matches/training mode).
Achieved 20 K.O.s with a Climax Super Special Move (excl. PvP matches/training mode).
Executed 20 Climax Cancels (excl. PvP matches/training mode).
Achieved 20 K.O.s with a Max Super Special Move (excl. PvP matches/training mode).
Executed 20 Advanced Cancels (excl. PvP matches/training mode).
Cleared all tutorial trials.
Unlocked 10 albums in the DJ Station.
Earned all trophies.