Here is the full list of all 23 GINSHA achievements worth 1,000 gamerscore.
Defeat EN1GM4
Find the Power Core on Icar
Find the Power Core on Pax
Find the Power Core on Byron
Find the Power Core on Gaea Prime
Reactivate the Main Reactor on Terra
Unlock all Skills in any Skilltree
Find the Arena and meet EX4
Complete 10 or more Quests in a single Playthrough
Complete a NewGame+ after Completing the Game once
Complete 3+ VR Areas
Find the Grenade Pong Minigame and score 10+
Reach Clone Level 30
Unlock 5 Planet Teleporter
Die and Re-Clone 20 times
Defeat 20+ Guardians
Find and install Upgrades for every Slot
Scan 100 Objects
Discover 3 or more secret areas
Find and Print 8+ Survival Blueprints
Defeat the Byronaut
Find all Cerelabs and Upgrade your Healpod to 5
Find all hidden Cities