Games like 9th Dawn II
Games like 9th Dawn II include Noita, Heroes of Hammerwatch II, Dragon's Dogma 2, Black Myth: Wukong, and Hero Siege. We matched them by the tags players give 9th Dawn II on Steam (RPG, Indie, Adventure, Action, and Dungeon Crawler): closest matches first, and among equally close ones the better-known games.

Noita
Shared: Indie · Dungeon Crawler · Roguelike

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

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

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

Hero Siege
Shared: RPG · Action RPG · Indie

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

CrossCode
Shared: RPG · Action RPG · Indie

FINAL FANTASY VII REBIRTH
Shared: RPG · Adventure · Action

Minecraft Dungeons
Shared: RPG · Adventure · Dungeon Crawler

UFO 50
Shared: Indie · Action · RPG

Last Epoch
Shared: RPG · Action RPG · Action

Assassin's Creed® Origins
Shared: RPG · Action · Open World

Minecraft Dungeons II
Shared: RPG · Adventure · Action

The Slormancer
Shared: RPG · Dungeon Crawler · Action RPG

UnderMine
Shared: RPG · Indie · Dungeon Crawler

Hammerwatch
Shared: Indie · RPG · Dungeon Crawler

God of War Ragnarök
Shared: Adventure · RPG · Action

Monster Hunter: World
Shared: RPG · Action · Adventure

The Witcher 3: Wild Hunt — Remastered
Shared: RPG · Adventure · Open World

Torchlight II
Shared: RPG · Action RPG · Dungeon Crawler

Hades II
Shared: Action · RPG · Dungeon Crawler

Exiled Kingdoms
Shared: RPG · Indie · Adventure

Terraria
Shared: Adventure · 2D · Indie

Skul: The Hero Slayer
Shared: Indie · Action · 2D