Games like OtterQuest
Games like OtterQuest include The Slormancer, Black Myth: Wukong, Hero Siege, Last Epoch, and Minecraft Dungeons. We matched them by the tags players give OtterQuest on Steam (Adventure, RPG, Action RPG, Action-Adventure, and Dungeon Crawler): closest matches first, and among equally close ones the better-known games.

The Slormancer
Shared: Action RPG · Dungeon Crawler · RPG

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

Hero Siege
Shared: Action RPG · RPG · Pixel Graphics

Last Epoch
Shared: Action RPG · RPG · Adventure

Minecraft Dungeons
Shared: Adventure · RPG · Dungeon Crawler

Torchlight: Infinite
Shared: RPG · Action RPG · Adventure

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

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

Moonlighter
Shared: Dungeon Crawler · Pixel Graphics · RPG

Torchlight II
Shared: RPG · Action RPG · Dungeon Crawler

UnderMine
Shared: RPG · Dungeon Crawler · Adventure

Minecraft Dungeons II
Shared: Adventure · RPG · Action RPG

Chronicon
Shared: Action RPG · RPG · Dungeon Crawler

Hogwarts Legacy
Shared: Adventure · RPG · Fantasy

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

Grim Dawn
Shared: Action RPG · RPG · Dungeon Crawler

God of War Ragnarök
Shared: Adventure · RPG · Action-Adventure

CrossCode
Shared: Action RPG · RPG · Pixel Graphics

The Mageseeker: A League of Legends Story™
Shared: RPG · 2D · Pixel Graphics

Secrets of Grindea
Shared: Adventure · Action RPG · RPG

Torchlight
Shared: RPG · Action RPG · Dungeon Crawler

Regions Of Ruin
Shared: Adventure · RPG · 2D

The Elder Scrolls IV: Oblivion Remastered
Shared: RPG · Adventure · Action RPG

Eternium
Shared: RPG · Action-Adventure · Adventure