Games like Blood Sins
Games like Blood Sins include Lunacid, The Elder Scrolls IV: Oblivion Remastered, The Witcher 3: Wild Hunt — Remastered, Delver, and Black Myth: Wukong. We matched them by the tags players give Blood Sins on Steam (Dungeon Crawler, First-Person, RPG, Retro, and Atmospheric): closest matches first, and among equally close ones the better-known games.

Lunacid
Shared: Dungeon Crawler · First-Person · RPG

The Elder Scrolls IV: Oblivion Remastered
Shared: RPG · Fantasy · First-Person

The Witcher 3: Wild Hunt — Remastered
Shared: RPG · Atmospheric · Fantasy

Delver
Shared: Dungeon Crawler · First-Person · RPG

Black Myth: Wukong
Shared: RPG · Action RPG · Atmospheric

Fallout 4
Shared: RPG · First-Person · Atmospheric

The Elder Scrolls IV: Oblivion® Game of the Year Edition (2009)
Shared: RPG · First-Person · Fantasy

Moonlighter
Shared: Dungeon Crawler · RPG · Roguelike

Legend of Grimrock
Shared: Dungeon Crawler · RPG · Fantasy

Heroes of Hammerwatch II
Shared: RPG · Dungeon Crawler · Action RPG

Hades II
Shared: Roguelike · Dungeon Crawler · RPG

Hogwarts Legacy
Shared: RPG · Fantasy · Singleplayer

Darkest Dungeon®
Shared: Dungeon Crawler · RPG · Roguelike

BioShock Infinite
Shared: First-Person · RPG · Fantasy

Torchlight II
Shared: RPG · Dungeon Crawler · Action RPG

Legend of Grimrock 2
Shared: Dungeon Crawler · RPG · First-Person

UnderMine
Shared: Dungeon Crawler · RPG · Roguelite

Grim Dawn
Shared: Dungeon Crawler · RPG · Action RPG

Avowed
Shared: RPG · First-Person · Fantasy

Hades
Shared: Dungeon Crawler · Roguelike · Indie

Fatekeeper
Shared: First-Person · RPG · Action RPG

Fallout: New Vegas
Shared: RPG · First-Person · Singleplayer

The Elder Scrolls II: Daggerfall
Shared: RPG · Fantasy · First-Person

Wolcen: Lords of Mayhem
Shared: RPG · Action RPG · Singleplayer