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