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
Obtain all upgrades
Fully upgrade the katana
Set 25 enemies on fire
Perform Finisher 100 times
Freeze 75 enemies
Complete 'Intestinal Inspector'
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'
Kill 150 enemies with environmental hazards
Fully upgrade one character skill branch
Complete 'Doomsday Device'
Obtain "Penetrator" Gore Tool from Mogura.
Obtain "Hungry, Hungry Heart" Gore Tool from Chef Oboru Guruma.
Kill 100 enemies with Gore weapons
Fully upgrade a ranged weapon
Complete 'Egg Express'
Complete 'Walking on Eggshells'
Electrocute 50 enemies without Motoko's help
Explode 50 explodables
Obtain "Blade of Hattori" Gore Tool from Hattori.
Perform Finisher 15 times
Complete 'That Damn Dam'
Obtain "Swarm Launcher" Gore Tool from Slinky Jakku.
Obtain "Seeking Eye" from Seeking Shokera.
Complete 'Motoko's Thunderdome'
Obtain "Disco Grenade" Gore Tool from Laser Shogun.
Complete 'Way to Motoko'
Obtain your first upgrade
Kill 200 enemies
Kill 100 enemies with the katana
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.