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.
Obtain all upgrades
Set 25 enemies on fire
Electrocute 50 enemies without Motoko's help
Perform Finisher 100 times
Complete 'Intestinal Inspector'
Fully upgrade one character skill branch
Kill 100 enemies with Gore weapons
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'
Fully upgrade a ranged weapon
Complete 'Doomsday Device'
Obtain "Hungry, Hungry Heart" Gore Tool from Chef Oboru Guruma.
Put 50 enemies on spikes
Kill 150 enemies with environmental hazards
Fully upgrade the katana
Complete 'Egg Express'
Freeze 75 enemies
Complete 'Walking on Eggshells'
Obtain "Blade of Hattori" Gore Tool from Hattori.
Explode 50 explodables
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.
Kill 100 enemies with the katana
Obtain "Disco Grenade" Gore Tool from Laser Shogun.
Complete 'Way to Motoko'
Perform Finisher 15 times
Kill 200 enemies
Obtain "Equalizer" Gore Tool from Oni Hanma.
Obtain your first upgrade
Complete 'The Dragon's Back'
Obtain "Brain Tonic" Gore Tool from Shogai.
Obtain "Brain Freeze" Gore Tool from Kugutsu.