Full list of all 50 Crysis 2 achievements worth 1,000 gamerscore. It takes around 50-60 hours to unlock all of the achievements on Xbox 360.
Multiplayer: Reach Rank 50
Multiplayer: Unlock all the weapons
Multiplayer: Fully level the Nanosuit
Multiplayer: Win a match of every game mode
Get 1 of each Skill Kill
Be in a squad of at least 3 people and play a full game
Unlock 150 Dog Tag displays
Multiplayer: Fully level a Suit Module
Multiplayer: Play a full game on every map
Multiplayer: Get 30 Spot Assists
Create your first custom class
Complete 3 Xbox LIVE matches
Multiplayer: Finish top of the Scoreboard
Collect 20 Dog Tags
Play online 6 months after your first time
Complete the single player campaign on Veteran difficulty
Complete the single player campaign on Supersoldier
Complete 12 levels on Supersoldier difficulty
Complete 12 levels on Veteran difficulty
Complete 6 levels on Supersoldier difficulty
Complete 6 levels on Veteran difficulty
Finish the single player campaign on any difficulty
Find all New York Souvenirs
Reach Central Park
Break the speed limit in front of 10 speed cameras
Locate Jacob Hargreave
Re-route the power in Eye of the Storm without being detected
Complete the evacuation at Times Square
Defend Central Station
Assist the evacuation at Bryant Park
Scan all of Richard Morgan's books in the NY public library
Reach the Hargreave-Rasch building
Assist the Marines in Madison Square
Keep all marines alive during the rescue in Semper Fi or Die
Infiltrate the alien hive
Throw an alien down the sinkhole in Dark Heart
Single Player: Kill 20 enemies with the Microwave cannon
Kill 10 enemies by throwing an object at them
Infiltrate the CELL facility at Wall Street
Find Nathan Gould
Single Player: Stealth kill 25 enemies
Assimilate alien tissue at the crash site
Kill 10 enemies with grab and throw
Single Player: Kill 5 enemies while sliding
Single Player: Kill 4 enemies in a row with headshots
Single Player: Kill at least 3 enemies with a single grenade
Kill a CELL operator with a giant donut in Lower Manhattan
Escape the Battery Park evacuation center
Single Player: Kill two enemies with a single bullet
Complete In at the Deep End