Here is the full list of all 43 Prototype 2 achievements. It takes around 20-25 hours to unlock all of the achievements on Windows.
Find all BlackBoxes.
Defeat all Field Ops teams.
Destroy a Strike Team in 15 seconds or less.
5 consumes in 10 seconds or less.
Acquire 5 Mutations.
10 or more kills with a single Black Hole attack.
Deflect 5 missiles at enemies using Shield Block.
Stealth hijack 5 tanks or APCs.
Destroy 10 Blackwatch tanks, APCs or helicopters using a single hijacked tank or APC.
Consume 10 //BLACKNET targets.
Acquire a Mutation in each of the 5 categories.
20 or more kills with a single Hammerfist dive attack.
10 or more kills using a single Bio-Bomb.
Destroy 5 helicopters using Pack Leader.
Weaponize 10 vehicles.
Counter enemy attacks 20 times using Shield.
Karate kick a helicopter.
Mount a helicopter using Whipfist.
Destroy 5 vehicles using a Finisher.
Destroy all Lairs.
Complete all //BLACKNET dossiers.
Trigger 50 alerts.
Fully upgrade Heller.
Complete the game on HARD difficulty.
Complete the game.
Complete LABOR OF LOVE.
Spend at least 25 consecutive seconds in the air (helicopters don't count).
Reach the highest point in the world.
Complete FALL FROM GRACE.
Simultaneously kill 2 Brawlers using a single Devastator.
Stealth Consume 50 Blackwatch troopers.
Travel a half mile using only Wall Run, Glide, Jump and Air Dash.
Acquire all 46 upgrades through Consumes.
Acquire 30 upgrades through Consumes.
Destroy a single Lair.
Acquire 10 upgrades through Consumes.
Complete NATURAL SELECTION.
Dismember a Brawler.
Complete a //BLACKNET operation.
Acquire a Prototype Power.
Meet Father Guerra.
Complete RESURRECTION.
Complete MEET YOUR MAKER.