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