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