Full list of all 30 Hot Brass achievements.
The base game contains 24 achievements, and there is 1 DLC pack containing 6 achievements.
Complete all challenges.
Complete all missions without casualties.
Unlock the Less Lethal OC-Ball.
Complete all missions.
Recover all collectibles.
Unlock all equipment.
Unlock all modifiers.
Unlock the Ballistic Shield.
Unlock the Smoke Grenade.
Unlock the Gas Mask.
Unlock the Music modifier.
Unlock the Lure.
Unlock the Heavy Armor.
Unlock the Thermal Vision Goggles.
Unlock the Grenade.
Unlock the Door Ram.
Unlock the TRR8.
Unlock the Night Vision Goggles.
Cut the power.
Unlock the Difficulty modifier.
Unlock the Ammunition Bag.
Unlock the Medium Armor.
Complete a non-tutorial mission without casualties.
Unlock the SPAS-12.
Unlock the Less Lethal Bean Bag Shotgun.
Unlock the Stinger.
Unlock the Model 700.
Unlock the M4.
Unlock the Less Lethal X26.
Unlock the G17 SD.