Single-player games like House of Necrosis
Below are 13 single-player Steam games similar to House of Necrosis, ranked by player overlap. Every pick carries Steam's Single-player category, so multiplayer-only titles or always-online games don't sneak in. imho.run pulls the category data from Steam directly — Single-player here matches what the store labels.
Want the full alternatives list (paid + free + Steam Deck + cheaper picks)? See the parent games like House of Necrosis page.
Ranked picks
- 1

Ad Iterum
Single-player alternative to House of Necrosis — playable solo, no multiplayer required. Shares RPG with House of Necrosis.
Ad Iterum is a turn-based top-down 2D roguelike set in a decaying, ever-shifting world. Flesh is fragile, but you can hack it. Enhance your body, embrace mutations, or form ancient blood pacts. Descend into the depths, scavenge what’s left of humanity, and crawl back...if you can. Kill. Die. Repeat.
- 2

Immortal Wayfarer
Single-player alternative to House of Necrosis — playable solo, no multiplayer required. Shares RPG with House of Necrosis.
Immortal Wayfarer is an endlessly replayable yet forgiving dungeon crawler RPG. Enemies only move when you do, you can rewind each step, and easily recover lost gear. Restore peace on your terms!
- 3

ホロダンジョン 博衣こよりとホロウライブ in ホンシャタワー
Single-player alternative to House of Necrosis — playable solo, no multiplayer required. Shares RPG with House of Necrosis.
Wonderful maze “HoloDungeon” changes form with each challenge—within it lurks Hollow, beings not unlike Holomen. To rescue her snatched friends and make special Live a success, Hakui Koyori tries an unknown adventure! Roguelike RPG where you play using wisdom and brains remain even after down.
- 4

Absorber: Absorb Adapt Survive
Single-player alternative to House of Necrosis — playable solo, no multiplayer required. Shares RPG with House of Necrosis.
Consume enemies. Steal their powers. Survive the grid. A hardcore tactical roguelike on a 7×7 corrupted mainframe with 60+ synergistic programs. Permadeath. Every run matters.
- 5

Undergeon's Pilgrims
Single-player alternative to House of Necrosis — playable solo, no multiplayer required. Shares RPG with House of Necrosis.
Undergeon's Pilgrims is a fantasy roguelite game with rpg elements. Create group of adventurers, the Pilgrims. Accumulate treasure, face off perils and go down the Undergeon for glory !
- 6

ByteRogue
Single-player alternative to House of Necrosis — playable solo, no multiplayer required.
ByteRogue is a minimalist turn-based puzzle-tactics roguelike where you play as a wizard-thief. Use spells to outsmart security robots, manipulate the environment, and steal as much treasure as you can in each daring heist.
- 7

Dungeon Drafters
Single-player alternative to House of Necrosis — playable solo, no multiplayer required. Shares RPG with House of Necrosis.
Dungeon Drafters is a mystery dungeon adventure set in a world where magic is cards, and cards are magic. Explore ancient ruins, loot rare cards and employ clever combos to defeat your foes and build the legendary spell deck that could save the world.
- 8

Eye of Khaos
Single-player alternative to House of Necrosis — playable solo, no multiplayer required. Shares RPG with House of Necrosis.
Slay your enemies in this sword and sorcery roguelike! Ancient dungeons, fallen ruins and cyclopean towers and their primordial denizens present a tactical and deadly challenge that can only be overcome by the most resourceful heroes.
- 9

Resident Evil
Single-player alternative to House of Necrosis — playable solo, no multiplayer required.
The game that defined the survival-horror genre is back! Check out the remastered HD version of Resident Evil.
- 10

Parasite
Single-player alternative to House of Necrosis — playable solo, no multiplayer required. Shares RPG with House of Necrosis.
This is a roguelike open-world sandbox survival horror set in a modern city. Play as an --redacted-- parasite, possess human hosts, exploit and evolve them to help you survive in a hostile world, all to find out your one true purpose.
- 11

The Wanderer
Single-player alternative to House of Necrosis — playable solo, no multiplayer required.
Enter a dark wasteland and fight mutants to survive.
- 12

Withering Rooms
Single-player alternative to House of Necrosis — playable solo, no multiplayer required. Shares RPG with House of Necrosis.
Withering Rooms is a challenging 2.5D horror RPG set in a procedurally generated Victorian mansion that changes each night. Explore Mostyn House to collect the perfect items for your build and face a huge cast of overgrown undead, invisible ghosts, devious witches, and more.
- 13

HackHub - Ultimate Hacker Simulator
Single-player alternative to House of Necrosis — playable solo, no multiplayer required.
Unravel cyber secrets and foil mass surveillance as a skilled hacker in Hackhub. Challenge authority, rewrite the rules, and emerge as the ultimate digital rebel.