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'
Kill 100 enemies with Gore weapons
Electrocute 50 enemies without Motoko's help
Obtain all Gore Tool types
Obtain "Double Trouble" Gore Tool from Gassy Obariyon.
Complete 'Wayfarer's Forest'
Perform Finisher 100 times
Complete 'Doomsday Device'
Obtain "Hungry, Hungry Heart" Gore Tool from Chef Oboru Guruma.
Fully upgrade one character skill branch
Put 50 enemies on spikes
Complete 'Egg Express'
Set 25 enemies on fire
Complete 'Walking on Eggshells'
Fully upgrade a ranged weapon
Obtain "Blade of Hattori" Gore Tool from Hattori.
Freeze 75 enemies
Complete 'That Damn Dam'
Obtain "Swarm Launcher" Gore Tool from Slinky Jakku.
Kill 150 enemies with environmental hazards
Fully upgrade the katana
Explode 50 explodables
Obtain "Seeking Eye" from Seeking Shokera.
Complete 'Motoko's Thunderdome'
Obtain "Penetrator" Gore Tool from Mogura.
Kill 100 enemies with the katana
Obtain "Disco Grenade" Gore Tool from Laser Shogun.
Complete 'Way to Motoko'
Kill 200 enemies
Perform Finisher 15 times
Obtain "Equalizer" Gore Tool from Oni Hanma.
Obtain "Brain Tonic" Gore Tool from Shogai.
Obtain your first upgrade
Complete 'The Dragon's Back'
Obtain "Brain Freeze" Gore Tool from Kugutsu.