Here is the full list of all 50 BlazBlue: Continuum Shift Extend achievements.
Finished [Arcade] mode.
Defeated an opponent while using the Stylish Layout.
Dished out significantly more damage than the opponent's remaining HP.
Finished the [Tutorial] mode.
Defeated the secret boss in [Arcade] mode.
Finished [Score Attack] mode.
Attempted [Unlimited Mars] mode over 10 times.
Have been blown up by the chibi-kakas in [Unlimited Mars] mode.
Trained for more than 30 minutes, non-stop.
Cleared over 50 missions in [Challenge] mode.
Cleared over 100 missions in [Challenge] mode.
Defeated the boss at level 100 of the [Abyss].
Defeated the boss at level 500 of the [Abyss].
Defeated the boss at level 999 of the [Abyss].
Acquired all the items from the shop in [Abyss] mode.
Increased all character stats to 50 in [Abyss] mode.
Finished the Calamity Trigger scenario in [Story] mode.
Finished Makoto's, Valkenhayn's, Platinum and Relius's scenarios in [Story] mode.
Witnessed the true ending in [Story] mode.
Accumulated over 100,000P$.
Unlocked 50% of the items in the [Gallery].
Unlocked everything there is to see in the [Gallery].
Played back replay data over 10 times in [Replay Theater].
Won a team elimination match without even fighting.
Raised any character's PSR to over 200 in a [Ranked Match]
Reached level 20.
Won three [Ranked Matches].
Fought 100 matches in [Ranked Match].
Fought ten team [Player Matches].
Won your first team [Player Match].
Performed a 90+ hit combo using Ragna.
Used all three of Jin's special attacks that freeze opponents in a single combo.
Finished off an opponent with Noel's Nemesis Stabilizer.
Using Rachel, shocked your opponent more than 15 times during a single combo.
Successfully executed jumping D, jumping ↑+D and jumping ↓+D in the middle of a combo.
Turned the tide and won a battle using Genesic Emerald Tager Buster.
Hit the opponent with all of Litchi's Great Wheel attacks.
Summoned and used all of Arakune's bugs during a single combo.
Using Bang, had Fu-Rin-Ka-Zan activated for more than 30 seconds of the battle.
Landed Carl's Vivace, Cantabile, and Allegreto during a combo.
Dealt over 10,000 damage to an opponent in a single combo.
With Lambda, summoned every type of sword during a single round.
Using Tsubaki, executed all of the "D" versions of her special attacks in a single combo.
Used Hazama's Rising, Falling and Devouring Fangs during a battle.
During the course of one combo, placed all four of Mu's Stein's Gunners.
Executed Makoto's super, Particle Flare, with only Level 3 punches.
Performed a 30+ hit combo using Valkenhayn.
Equipped all of Luna's weapons during one round.
Using Relius, fight a battle without depleting the Ignus gauge.
Used up the Ignis gauge while fighting as Relius.