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