Here is the full list of all 50 Jagged Alliance 3 achievements.
Found a cure for the Red Rabies.
Killed two enemies with a single shot.
Made Maman and Chimurenga get together.
Found Madam Lecoq's diamond necklace.
Hired Gus.
Hired a Legendary merc.
Ambushed a diamond shipment and got the case.
Killed 5 enemies in one turn with a single merc.
Have at least 12 hired mercs.
Obtained the Green Diamond.
Installed 7 mods on a single weapon.
Controlled at least 50 sectors.
Helped Larry overcome his addiction.
Conquered an Outpost without losing HP.
Made 10 overwatch shots in one turn.
Killed an enemy with a shot through an obstacle.
Defended a sector with the help of militia without autoresolve.
Chicken murderer.
Killed 25 enemies with a headshot.
Killed an enemy with 5 different weapon types.
Reduced all defense shields of an Outpost.
Created an I.M.P. merc.
Have a Level 10 merc.
Controlled all sectors with mines.
Controlled 5 sectors with an Outpost.
Killed 10 enemies in a single turn.
Finished the campaign before 1 MAY, 2001.
Finished the campaign without a single merc dying or getting downed.
Finished the game on the highest difficulty settings: “Mission Impossible”, “Dead is Dead”, “To The Bitter End”, “Lethal Weapons” and no “Forgiving Mode”.
Finished the campaign while having no more than one hired merc at the same time.
Finished the campaign while having no more than two hired mercs at the same time.
Finished the campaign without killing any civilian.
Earned at least 75 Loyalty in 5 towns.
Killed an enemy at extreme range.
Defeated all fighters in the Night Club.
Hurt your own merc with the bullet that killed an enemy.
Chose a Psycho dialogue option 5 times.
Did three morally bad things.
Hired the Major.
Found Lucky Veinard's secret treasures.
Solved the Diesel problem.
Gathered enough evidence to clear your name.
Caught the Teddy Bear killer.
Moved a merc 35 tiles away in a single turn.
Made 10 critical hits in one turn.
Dealt 1000 damage to enemies in one turn.
Killed 7 enemies in one sector without triggering combat.
Conquered an Outpost without using firearms.
Taken 300 damage in a single turn without any merc dying or getting downed.