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