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