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