Full list of all 66 The Ascent achievements. It takes around 15-20 hours to unlock all of the achievements in the base game on Windows.
The base game contains 46 achievements, and there is 1 DLC pack containing 20 achievements.
Revive a DBNO friend
Start your first co-op session
Complete all side missions
Hack an ATM
Hack at least one of each hackable category
Try Snooze
Reset your proficiencies once
Discover all locations
Die more than 100 times
Complete Project MenShen#2
Complete all Main Missions
Unlock all enemy Codex entries
Complete Project MenShen#1
Complete Board Meeting
Deliver 4000 amount of stasis damage on one target
Fully upgrade a weapon
Collect 200'000 uCreds
Kill another enemy by overcharging an enemy while it's in stasis
Deploy black ICE against hacker enemy
Get the goods by both hacking and destroying vending machines
Equip augmentations and upgrade attributes resulting in the fullchrome appearance
Complete Recompile
Complete Syntax Error
Complete Trace Protocol
Use the sink after flushing a toilet
Fill the Codex
Complete Foreign Code
Get praise from Kira
Complete Data Miner
Upgrade your IMP
Complete Empowerment
Equip two augmentations and a module
Kill a robot with energy damage type
Complete Trading Places
Get killed by a katana
Claim a bounty
Read 10 datapads
Sell Something
Ride the Interlink Express
Complete Mutual Dependencies
Make an enemy drop an exploding grenade
Finish a side mission
Allocate 3 proficiency points
Complete Arcology Blues
Kill 10 enemies using exploding barrels
First enemy kill
Kill a level 35 bounty
Find a secret route
Complete Critical Resource
Complete all Cyber Heist Main Missions
Complete all Cyber Heist Missions
Take down Zell
Kill 50 level 35 or higher enemies
Complete Unshackled
Completed all Cyber Heist Side Missions
Completed Making Concessions
Completed Love Kills
Take down a member of Zells' guard
Take the train
Find and then lose something valuable
Complete Find & Replace
Kill an enemy using melee's special move
Perform your first Hammer kill
Obtain your first melee weapon
Destroy a Karlan controlled Siege Mech
Discover the Dark Playground