Here is the full list of all 26 Mercenary Kings achievements.
Activate all 14 food skills.
Hunt over 250 animals.
Rescue all 6 Kickstarter backer hostages.
Complete a mission with all parts of the SWAT-12 shotgun equipped.
Clear all missions of the game.
Defeat the final boss.
Collect over 2000 materials.
Defeat Commander Byron Baron once.
Defeat over 1000 enemies.
Clear all missions of any rank consecutively using the same gun parts.
Defeat a boss before it can escape.
Complete a mission in single player without getting hit.
Complete No Negotiation without saving any hostages.
Defeat over 10000 enemies.
Defeat the Steel Soldier using only your knife.
Unlock all Proficiencies.
You pledged $60 or more on Mercenary Kings and made it happen. Thank you!
Revive a teammate 10 times with the Adrenaline Shot.
Earn over $1,000,000.
Craft over 100 knives and 300 gun parts.
Clear all Major rank missions without using Rations nor First-Aid kits.
Clear all 10 Primary missions of the game with the Bolt 45.
Beat the fastest time of all missions of the game.
Craft all Bionic Mods.
Craft 20 Ornaments and 20 Banners.
Reach the Five-Star General rank.