Obtain all upgrades
Fully upgrade the katana
Put 50 enemies on spikes
Complete "Intestinal Inspector"
Perform Finisher 100 times
Obtain all Gore Tool types
Obtain "Double Trouble" Gore Tool from Gassy Obariyon
Complete "Midnight Snack"
Complete "The Fast and the Furry"
Kill 100 enemies with Gore weapons
Fully upgrade one character skill branch
Complete "Wayfarer's Forest"
Freeze 75 enemies
Kill 150 enemies with environmental hazards
Set 25 enemies on fire
Complete "Doomsday Device"
Obtain "Hungry, Hungry Heart" Gore Tool from Chef Oboru Guruma
Complete "Egg Express"
Complete "Walking on Eggshells"
Obtain "Blade of Hattori" Gore Tool from Hattori
Fully upgrade a ranged weapon
Explode 50 explodables
Complete "That Damn Dam"
Obtain "Swarm Launcher" Gore Tool from Slinky Jakku
Electrocute 50 enemies without Motoko's help
Kill 100 enemies with the katana
Obtain "Seeking Eye" from Seeking Shokera
Complete "Motoko's Thunderdome"
Obtain "Penetrator" Gore Tool from Mogura
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