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.
Put 50 enemies on spikes
Perform Finisher 100 times
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'
Freeze 75 enemies
Kill 150 enemies with environmental hazards
Complete 'Doomsday Device'
Obtain "Hungry, Hungry Heart" Gore Tool from Chef Oboru Guruma.
Kill 100 enemies with Gore weapons
Complete 'Egg Express'
Set 25 enemies on fire
Electrocute 50 enemies without Motoko's help
Complete 'Walking on Eggshells'
Fully upgrade a ranged weapon
Fully upgrade the katana
Fully upgrade one character skill branch
Obtain "Blade of Hattori" Gore Tool from Hattori.
Complete 'That Damn Dam'
Obtain "Swarm Launcher" Gore Tool from Slinky Jakku.
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
Perform Finisher 15 times
Obtain "Disco Grenade" Gore Tool from Laser Shogun.
Complete 'Way to Motoko'
Obtain your first upgrade
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.