Here is the full list of all 38 Shadow Warrior 3 achievements. It takes around 6-8 hours to unlock all of the achievements on Windows.
Complete 'Intestinal Inspector'
Obtain all upgrades
Complete 'Midnight Snack'
Complete 'The Fast and the Furry'
Obtain all Gore Tool types
Obtain "Double Trouble" Gore Tool from Gassy Obariyon.
Complete 'Wayfarer's Forest'
Complete 'Doomsday Device'
Obtain "Hungry, Hungry Heart" Gore Tool from Chef Oboru Guruma.
Complete 'Egg Express'
Fully upgrade a ranged weapon
Perform Finisher 100 times
Complete 'Walking on Eggshells'
Fully upgrade one character skill branch
Fully upgrade the katana
Obtain "Blade of Hattori" Gore Tool from Hattori.
Complete 'That Damn Dam'
Kill 100 enemies with Gore weapons
Obtain "Swarm Launcher" Gore Tool from Slinky Jakku.
Obtain "Seeking Eye" from Seeking Shokera.
Complete 'Motoko's Thunderdome'
Obtain "Penetrator" Gore Tool from Mogura.
Set 25 enemies on fire
Obtain "Disco Grenade" Gore Tool from Laser Shogun.
Complete 'Way to Motoko'
Electrocute 50 enemies without Motoko's help
Kill 150 enemies with environmental hazards
Freeze 75 enemies
Explode 50 explodables
Perform Finisher 15 times
Obtain "Equalizer" Gore Tool from Oni Hanma.
Kill 200 enemies
Kill 100 enemies with the katana
Obtain your first upgrade
Complete 'The Dragon's Back'
Obtain "Brain Tonic" Gore Tool from Shogai.
Obtain "Brain Freeze" Gore Tool from Kugutsu.
Put 50 enemies on spikes