Games like FATE: Undiscovered Realms
Games like FATE: Undiscovered Realms include Last Epoch, Wolcen: Lords of Mayhem, Path of Exile 2, Grim Dawn, and Diablo® IV. We matched them by the tags players give FATE: Undiscovered Realms on Steam (RPG, Action, Adventure, Dungeon Crawler, and Action RPG): closest matches first, and among equally close ones the better-known games.

Last Epoch
Shared: RPG · Action RPG · Hack and Slash

Wolcen: Lords of Mayhem
Shared: RPG · Action RPG · Hack and Slash

Path of Exile 2
Shared: RPG · Action RPG · Hack and Slash

Grim Dawn
Shared: Action RPG · RPG · Hack and Slash

Diablo® IV
Shared: RPG · Action RPG · Hack and Slash

Torchlight II
Shared: RPG · Action RPG · Dungeon Crawler

Torchlight III
Shared: RPG · Adventure · Action

Minecraft Dungeons
Shared: RPG · Dungeon Crawler · Adventure

Path of Exile
Shared: Action RPG · Hack and Slash · Loot

Hades II
Shared: Action · RPG · Hack and Slash

FATE
Shared: RPG · Action · Dungeon Crawler

Warhammer 40,000: Inquisitor - Martyr
Shared: RPG · Action · Action RPG

The Incredible Adventures of Van Helsing
Shared: RPG · Action · Adventure

Minecraft Dungeons II
Shared: Action · RPG · Adventure

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

Torchlight
Shared: RPG · Action RPG · Dungeon Crawler

Diablo II: Resurrected – Infernal Edition
Shared: RPG · Action · Action RPG

Victor Vran ARPG
Shared: RPG · Action RPG · Adventure

Hades
Shared: Action · Hack and Slash · RPG

God of War
Shared: Action · Adventure · RPG

Wayfinder
Shared: Action RPG · Dungeon Crawler · Action

Titan Quest II
Shared: RPG · Action RPG · Action

The Slormancer
Shared: Dungeon Crawler · RPG · Hack and Slash

God of War Ragnarök
Shared: Action · Adventure · RPG