Games like Necromance
Games like Necromance include Slay the Princess — The Pristine Cut, Suzerain, I Wani Hug that Gator!, LoveChoice, and Undertale. We matched them by the tags players give Necromance on Steam (Visual Novel, Choose Your Own Adventure, Dark Humor, Interactive Fiction, and Multiple Endings): closest matches first, and among equally close ones the better-known games.

Slay the Princess — The Pristine Cut
Shared: Visual Novel · Choose Your Own Adventure · Choices Matter

Suzerain
Shared: Visual Novel · Choose Your Own Adventure · Interactive Fiction

I Wani Hug that Gator!
Shared: Visual Novel · Choose Your Own Adventure · Choices Matter

LoveChoice
Shared: Visual Novel · Choices Matter · Multiple Endings

Undertale
Shared: Multiple Endings · Choices Matter · RPG

The Life and Suffering of Sir Brante
Shared: Choose Your Own Adventure · Visual Novel · Choices Matter

Otaku's Adventure
Shared: Visual Novel · Multiple Endings · RPG

The Henry Stickmin Collection
Shared: Choose Your Own Adventure · Multiple Endings · Choices Matter

Endless Monday: Dreams and Deadlines
Shared: Visual Novel · Choose Your Own Adventure · Interactive Fiction

Love Is All Around
Shared: Visual Novel · Multiple Endings · Interactive Fiction

Breakout 13
Shared: Choose Your Own Adventure · Interactive Fiction · Choices Matter

The Life and Suffering of Sir Brante — Chapter 1&2
Shared: Choose Your Own Adventure · Visual Novel · Interactive Fiction

Far Away
Shared: Visual Novel · Choices Matter · Choose Your Own Adventure

Class of '09: The Re-Up
Shared: Visual Novel · Dark Humor · Choose Your Own Adventure

BAD END THEATER
Shared: Visual Novel · Multiple Endings · Choose Your Own Adventure

DevilConnection
Shared: Choose Your Own Adventure · Multiple Endings · Interactive Fiction

7 Days to End with You
Shared: Visual Novel · Choose Your Own Adventure · Puzzle

Sovereign Tower
Shared: Visual Novel · Choose Your Own Adventure · Choices Matter

The Hungry Lamb: Traveling in the Late Ming Dynasty
Shared: Visual Novel · Interactive Fiction · Multiple Endings

Scarlet Hollow
Shared: Visual Novel · Choices Matter · Multiple Endings

风信楼
Shared: Visual Novel · Multiple Endings · Interactive Fiction

Aliya: Timelink
Shared: Visual Novel · Interactive Fiction · RPG

The Three Kingdoms: Rebirth
Shared: Visual Novel · Multiple Endings · Interactive Fiction

Our Life: Beginnings & Always
Shared: Visual Novel · Choose Your Own Adventure · Choices Matter