Here is the full list of all 47 Tom Clancy's Splinter Cell Blacklist achievements worth 1,000 gamerscore.
Completed every single player mission on Realistic difficulty
Completed every single player mission on Perfectionist difficulty
Hacked 23 Blacklist Laptops
Completed all of Charlie Cole's 4th Echelon Missions
Collected 24 Dead Drop flash drives
Mastered Assault playstyle
Mastered Panther playstyle
Mastered Mark & Execute
Completed the single player campaign without killing anyone as Sam Fisher
Captured 20 High-Value Targets
Completed all of Andriy Kobin's 4th Echelon Missions
Completed a Spies vs Mercs Weekly Challenge
Stopped the Blacklist
Mastered Ghost playstyle
Completed LNG Terminal
Won a match in every Spies vs Mercs game mode
Captured a control point in a Spies vs Mercs Uplink Control match
Carried home the intel in a Spies vs Mercs Extraction match
Completed all of Anna Grímsdóttir's 4th Echelon Missions
Survived the attack on Paladin
Completed Detention Facility
Achieved Rank 10 in Spies vs Mercs
Assisted teammates in 10 Spies vs Mercs objectives
Completed all of Isaac Briggs 's 4th Echelon Missions
Won the COOP interrogation in VORON Station
Completed Transit Yards
Saved the hostages in the Transit Yards
Unlocked a Merc's Light Machine Gun
Snuck up & stole the shield from a Shielded Infantryman
Used the Tri-Rotor to disable a security device
Completed Special Missions HQ
Completed Abandoned Mill
Completed Private Estate
Completed American Consumption
Completed a single player mission undetected
Unlocked a custom loadout slot for Spy or Merc
Paladin fully upgraded
Hacked a terminal in a Spies vs Mercs SvM Blacklist or SvM Classic match
Fully upgraded one gun
Completed Insurgent Stronghold
Completed a Daily Challenge
Completed a COOP mission with a teammate
Dual Executed a helmeted enemy
Completed Safehouse
Hid 5 bodies in containers
Stealthily took down an enemy who'd been lured by sound
Logged into ShadowNet for the first time