Here is the full list of all 37 Neofeud achievements.
Blast, talk, sneak, shoulder, or otherwise find a way into The Arcade
Answer "No" on the majority of the Silica's CPS investigation
Locate the humanoid sentient robots, Todd and Suzette Silica
Trigger the Energenius Box's defenses and get yourself killed
Finish your Mount Everest of triplicate paperwork.
Neutralize the AWOL security guard at Sentient Services
Investigate The Creator's lab for clues relating to unfortunate events
Utilize your Royal Benefactress against the Neofeudal aristocracy in the Stratoplex
Attempt to alter the space-time-consciousness continuum by warning a pivotal figure of his own end
Shake all the right hands, do your princess wave, maybe give a speech about world peace
Unlock the Garden of Forking Paths
Overthrow a Tyrant and have the Iconoclast Queen ascend to the Throne
Stop the homicidal security guard without being killed
Repair Karl's cybernetic arm in under two minutes
Answer "Yes" on the majority of the Silica's CPS investigation
Give the right answers to Chopper and The Arcade's Bouncer the first time
A dystopian typo...
Piss Talos off till he redecorates the bar with Karl's internal organs
Get through The Arcade shootout without being killed once, or using saves beyond the start
Activate the Garden of Forking Paths prototype in Goertzel's lab
Drill down into the Neofuedal machinations with Sybil
Try to shoot down the Coch-Jobbs Overthrower and get yourself killed
Hide when the Coch-Jobbs warcopter blasts Shuffler's office
Tail Jezebel without being caught once
Get all the facts right when explaining Dr. Goertzel's plot on the first try
Get the Superpositor destroyed by The Fulcrum Airforce
Evade The Fulcrum Airforce after the Superpositor has been detected
Complete a conspiratorial plot to overthrow another conspiracy without being killed
Refuse to cut a deal with King Warren
Give yourself up to King Warren and let your family live 'The Neofeudal Dream'
Jailbreak out of the eugenics facility with help from a Ghost in the Machine
Don't make a single mistake in the final Throneroom showdown scene
Get yourself killed in every way possible in Neofeud
Don't die a single time in Neofeud
Start conversations with 60 different characters
Examine 300 different things, items, or characters
Complete the game, having gotten every other possible achievement in Neofeud