Here is the full list of all 64 2064: Read Only Memories achievements.
Completed Endless Christmas
Use the Headphones in the ITEMS menu to play every song on the soundtrack
Completed Ending One
Completed Ending Two
Have a positive relationship with Turing by the end
Make friends with Lexi
Convince the punks to help you in your final quest
Convince Jess to help you in your final quest
Become friends with TOMCAT
You tried to actually do your job
Beat the final boss of Mega Phobetor
Bring Wilty back to outstanding health
Order and drink every drink available at Stardust
Go on every drunken escapade
Try at least half of Stardust's drink menu
Provoke a tough guy in the wrong part of town
That would have made sense, huh?
Find and listen through all of Turing's lectures
Talk to Wilty enough to keep it alive
Kept a cool head and worked things out
Start a riot to clear the Genus protests
Strike out at the club on Hybrid Night
You got lost and annoyed the neighbors
Wilty is lucky Turing stepped in
Convince Lexi to help you with impressive speechcraft
Completed Ending Three
Play through the game in a single session and never use a load or continue
Shoot past the security ROMs without taking damage
Completed Ending Four
Have a negative relationship with Turing by the end
Turing died during Wintermute
You finally found a use for it....
Got killed by Dekker
Lexi resents you
Successfully navigate the drainage tunnels on the first try
Fail to escape the drainage tunnels before the water rises too high
The punks refuse to help you in your final quest
Complete Chapter 5
Jess refuses to help you in your final quest
Talk to at least 100 things!
Solve every puzzle without using the brick
TOMCAT resents you
Complete Flower Arc
Use Item on at least 100 things!
Complete Media Arc
You are very lucky!
Learn a lot of wrestling moves
Use at least 100 things!
That's one way to stock your fridge
Look at a minimum of 100 things!
You just can't leave plants well enough alone
Fail to talk to Wilty enough to save it
Complete Chapter 2
Called in for backup
Successfully trap a miscreant's taxi
Break up the Genus protests peacefully
Try 10 different kinds of Hassy
Complete Chapter 1
Fail to convince Lexi in Chapter One and find another solution
Use the headphones to listen to the soundtrack
Complete the Prologue
Puzzle your first puzzle!
Brought along an unhealthy snack
Checked your inbox and the paper before you slept