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

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

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

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

Torchlight II
Shared: RPG · Action RPG · Hack and Slash

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

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

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

Minecraft Dungeons
Shared: RPG · Hack and Slash · Dungeon Crawler

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

Torchlight
Shared: RPG · Action RPG · Hack and Slash

Titan Quest II
Shared: RPG · Action RPG · Hack and Slash

Chronicon
Shared: Action RPG · Hack and Slash · RPG

The Slormancer
Shared: Action RPG · Hack and Slash · RPG

Torchlight III
Shared: RPG · Hack and Slash · Action

The Incredible Adventures of Van Helsing
Shared: RPG · Action RPG · Hack and Slash

Dragon's Dogma 2
Shared: RPG · Action RPG · Action

FATE
Shared: RPG · Action · Action RPG

Minecraft Dungeons II
Shared: RPG · Action · Action RPG

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

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

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

Weird RPG
Shared: RPG · Action RPG · Action

Fatekeeper
Shared: RPG · Action · Action RPG

Hades II
Shared: Action · Hack and Slash · RPG