Games like Killer is Dead - Nightmare Edition
Games like Killer is Dead - Nightmare Edition include Devil May Cry 5, METAL GEAR RISING: REVENGEANCE, DmC: Devil May Cry, Bayonetta, and God of War. We matched them by the tags players give Killer is Dead - Nightmare Edition on Steam (Action, Hack and Slash, Surreal, Singleplayer, and Stylized): closest matches first, and among equally close ones the better-known games.

Devil May Cry 5
Shared: Action · Hack and Slash · Character Action Game

METAL GEAR RISING: REVENGEANCE
Shared: Hack and Slash · Action · Singleplayer

DmC: Devil May Cry
Shared: Action · Hack and Slash · Singleplayer

Bayonetta
Shared: Action · Hack and Slash · Singleplayer

God of War
Shared: Action · Singleplayer · Hack and Slash

NINJA GAIDEN 4
Shared: Action · Hack and Slash · Gore

Hi-Fi RUSH
Shared: Action · Hack and Slash · Singleplayer

NieR:Automata™
Shared: Hack and Slash · Action · Spectacle fighter

Ryse: Son of Rome
Shared: Action · Hack and Slash · Singleplayer

Middle-earth: Shadow of War
Shared: Action · Singleplayer · Gore

Middle-earth™: Shadow of Mordor™
Shared: Action · Singleplayer · Third Person

NINJA GAIDEN Σ [NINJA GAIDEN: Master Collection]
Shared: Action · Hack and Slash · Gore

Shadow Warrior
Shared: Action · Hack and Slash · Gore

killer7
Shared: Surreal · Action · Gore

Castlevania: Lords of Shadow – Ultimate Edition
Shared: Action · Hack and Slash · Singleplayer

ROMEO IS A DEAD MAN
Shared: Action · Hack and Slash · Singleplayer

Warhammer 40,000: Space Marine - Anniversary Edition
Shared: Action · Singleplayer · Hack and Slash

Red Dead Redemption 2
Shared: Action · Singleplayer · Adventure

Prototype™
Shared: Action · Singleplayer · Gore

Tomb Raider Game of the Year
Shared: Action · Singleplayer · Adventure

Darksiders™
Shared: Action · Hack and Slash · Singleplayer

Bully: Scholarship Edition
Shared: Action · Singleplayer · Third Person

NieR Replicant™ ver.1.22474487139...
Shared: Action · Hack and Slash · Singleplayer

Onimusha: Way of the Sword
Shared: Action · Singleplayer · Hack and Slash