Here is the full list of all 50 Zone of the Enders HD Collection achievements worth 1,000 gamerscore.
Collected all ZoE 2 achievements
Earned a Ranking of SS at Aumaan Crevasse
Beat the game with a ranking of A
Cleared Zoradius
Unlocked all the frames
Found all 20 Ex-Missions
Beat the game with a ranking of S
Defeated the train in less than 5 minutes
Earned a Ranking of SS at Vascilia Battle
Found Taper in less than 4 guesses
Defeated Aumaan Anubis
Defeated Anubis
Acquired Jehuty Ver. 2
Defeated Zakat
Defeated the 5 BAHRAM Battleships in less than 6 minutes
Defeated Inhert
Defeated an enemy by using the shafts at Fort City
Revealed Ken's alternate outfit
Defeated the Viola AI for the final time
After the initial Vic Viper battle, defeated all of the Naritas in under 90 seconds
Defeated Vic Viper (Leo)
Won your first encounter against the Viola AI
Completed all of the in-game tutorials
Defeated Ardjet
Acquired Jehuty
Collected all ZoE achievements
Achieved an Overall Evaluation grade of B
Achieved an Overall Evaluation grade of A
Survived the battle with Anubis
Defeat Zombie Neith
Disarmed all the bombs in HUB 1 correctly
Won your second encounter against Neith
Defeated Nebula
Found all 10 sub-weapon drivers
Found all 14 passcodes
Defeated Tyrant
Destroyed 40 Porters
Earned an A Rank in all 5 rescue missions
Got ADA back online using the Vaccine
Defeated 10 enemies when under the influence of the Virus
Destroyed the Power Facilites in EPS1 & EPS2
Defeated 10 enemies while controlling the Raptor
Found 7 passcodes
Found 5 sub-weapon drivers
Took out the EPS relay block before eliminating any enemies
Achieved an A Rank in a Rescue Mission
Defeated Tempest
Won your first encounter against Neith