Full list of all 70 We Happy Few achievements worth 1,540 gamerscore. It takes around 40-50 hours to unlock all of the achievements in the base game.
The base game contains 40 achievements worth 1,000 Gamerscore, and there are 3 DLC packs containing 30 achievements worth 540 Gamerscore.
Completed the entire game without directly murdering anyone
Finished Ollie's playthrough
Spread the Message
Found all notes related to Prudence
Found all collectibles
Completed "The Jack-o-Bean Club" encounter.
Injected yourself with glucose 10 times
Used 25 lightning rods, playing as Ollie
Completed "No Place Like Home" encounter
Killed 100 NPCs across all playthroughs
Knocked out 50 NPCs with the Atomizer
Completed Ollie's intro
Finished Sally's playthrough
Completed speaking with Verloc at the Joy Factory
Caught 40 butterflies with Sally's butterfly net
Completed the Crones encounter
Contracted and cured the plague
Collected all Uncle Jack Shows
Set foot on every island
Completed Sally intro
Finished Arthur's playthrough
Unlocked all of Arthur's shelters
Delivered the cod liver oil
Killed a guy named Ryan Andrews
Finished all of the butcher's apprentice quests
Talked to Johnny Bolton from the Secret Radio Room
In Thomasina House - Collected all fake cats
Gained £1000 from looting/bartering across playthroughs
Finished Mystery House without being spotted once
Retrieved the credentials from the club
Survived 50 days
Died while overdosing on Joy
Crossed into the Village for the first time
Completed "Band of Brothers" encounter
Listened to all the phone calls in the phoneboxes
You successfully took Phlash as Arthur
Completed Arthur's intro
Correctly sabotaged Clive Birtwhistle's redactor work
Read all newspaper articles as Arthur, and redacted only the uncomfortable ones
Took the Joy at the very beginning of the game
Picked Up All Lore Items
Completed the DLC
Completed Act 3
Got 100 Headshots
Completed Act 2
Pushed 7 Robots Into the Smelter
Destroyed 50 Explosive Barrels
Saved all the Villagers
Completed Act 1
Killed 8 Robots in the Intro
Lifetime Achievement Award
Vibed All Nick Statues
Survived Day 2
Hit 3 NPCs with the Same Gold Record
Blew Minds of 15 People After a Charged Facemelt
Pole Danced Naked
Survived Day 1
Parried 30 attacks with the Vibe
Serenaded 30 people
Did Your Duty
Finished DLC With No Upgrades
Zapped 20 Different TVs with Dart Gun
Collected All Lore Notes
Unlocked All Upgrades
Shut Off Joy Supply to Waterworks
Found Loot in Alleyway
Found Loot in Canal
Restored Order at Haworth Labs
Knocked Down 40 NPCs With Whip Shove Combo