Games like Throne Requiem
Games like Throne Requiem include Darkest Dungeon® II, Aethermancer, Darkest Dungeon®, TROUBLESHOOTER: Abandoned Children, and The Dungeon Of Naheulbeuk: The Amulet Of Chaos. We matched them by the tags players give Throne Requiem on Steam (CRPG, Choose Your Own Adventure, Turn-Based Tactics, Dungeon Crawler, and Creature Collector): closest matches first, and among equally close ones the better-known games.

Darkest Dungeon® II
Shared: Turn-Based Tactics · Dungeon Crawler · Perma Death

Aethermancer
Shared: Creature Collector · Turn-Based · Dungeon Crawler

Darkest Dungeon®
Shared: Dungeon Crawler · Turn-Based · Difficult

TROUBLESHOOTER: Abandoned Children
Shared: CRPG · Turn-Based Tactics · Turn-Based

The Dungeon Of Naheulbeuk: The Amulet Of Chaos
Shared: Turn-Based Tactics · Turn-Based · Dungeon Crawler

Dragon Age™: The Veilguard
Shared: CRPG · Turn-Based Tactics · Action RPG

Low Magic Age
Shared: Turn-Based Tactics · Dungeon Crawler · Turn-Based

Monster Sanctuary
Shared: Creature Collector · Turn-Based Tactics · JRPG

Wasteland 3
Shared: CRPG · Turn-Based Tactics · Character Customization

Divinity: Original Sin - Enhanced Edition
Shared: Turn-Based · CRPG · Party-Based RPG

Stellar Tactics
Shared: CRPG · Turn-Based Tactics · Dungeon Crawler

ADOM (Ancient Domains Of Mystery)
Shared: CRPG · Dungeon Crawler · Perma Death

Pathfinder: Kingmaker - Enhanced Plus Edition
Shared: CRPG · Party-Based RPG · RPG

Those Who Rule
Shared: Turn-Based Tactics · CRPG · Perma Death

60 Seconds!
Shared: Choose Your Own Adventure · Turn-Based Tactics · Difficult

Noita
Shared: Dungeon Crawler · Difficult · Perma Death

Baldur's Gate 3
Shared: CRPG · RPG · Character Customization

Warhammer 40,000: Rogue Trader
Shared: CRPG · RPG · Character Customization

Warhammer 40,000: Mechanicus
Shared: Turn-Based Tactics · Turn-Based · Strategy

XCOM 2
Shared: Turn-Based Tactics · Strategy · Character Customization

Crown Trick
Shared: Dungeon Crawler · Perma Death · Turn-Based

Battle Brothers
Shared: Turn-Based Tactics · CRPG · Strategy

Wolcen: Lords of Mayhem
Shared: Action RPG · Dungeon Crawler · RPG

Wizardry: The Five Ordeals
Shared: Dungeon Crawler · CRPG · Turn-Based