Here is the full list of all 50 Remember Me achievements. It takes around 20-25 hours to unlock all of the achievements on Windows.
Reach all memory bugs in all memory remixes
Beat Kid X-Mas in under 5 minutes without dying
Finish the game in Memory Hunter Mode
Find all Scaramechs
Find all SAT Patches
Beat a Mourner without beating its supporting sidekicks
Find all Mnesist memories
Use the Sensen RIP to make robots knock 20 human enemies out
Find all Focus Boosts
Defeat 5 Elite Enforcers without using Combos or Spammer attacks
Beat 15 enemies by making them fall off a platform
In the Forlan memory remix: have Forlan get the gun, argue with Alexia but not kill her
Beat Madame without hitting any of her clones
Finish 15 Enforcers off with the Spammer
Hit 5 enemies at once with a Logic Bomb while they are stunned by the Sensen DOS
Beat a Zorn in under 120 seconds
Survive the entire Leaking Brain assault (episode 3) without using Power or Regen Pressens
Perform 40 8-hit Combos
Make 50 Leapers fall off walls
Beat 400 enemies
Find and activate all interactions in all memory remixes
Dodge a Skinner's charge five times in a row
Finish the game in Script Kiddie Mode
Finish the game in Errorist Agent Mode
Destroy H3O
Reach x14 with the Sensen Fury
Remix Charles
In the final memory remix: have Jax short-circuit, but keep everybody safe
Finish episode 7
Trigger two Logic Bombs in less than 15 seconds
Beat 20 robot enemies
Finish episode 6
Beat 15 Stranglers without using the Sensen DOS
Destroy the Zorn that chased you in the prologue
Destroy 20 Heavy Enforcer shields
Finish episode 5
Remix Scylla
In the Scylla memory remix: have Scylla and Nilin avoid the accident and get on their way home
Get hit 5 times by a drone during a playthrough, on any given difficulty
Finish episode 4
Remix Forlan
Land 10 Combos that combine the four different Pressen types
Finish episode 3
Equip 17 Pressens at least once in your Combos
Finish episode 2
Perform your first memory steal on Bad Request
Finish episode 1
Remix Olga
In the Olga memory remix: have David awaken and talk to Olga
Finish episode 0