Games like Wizard with a Gun
Games like Wizard with a Gun include Minecraft Dungeons, Minecraft Dungeons II, Hades II, Hades, and Escape From Duckov. We matched them by the tags players give Wizard with a Gun on Steam (Action, Adventure, Sandbox, Action-Adventure, and Dungeon Crawler): closest matches first, and among equally close ones the better-known games.

Minecraft Dungeons
Shared: Adventure · Action · Dungeon Crawler

Minecraft Dungeons II
Shared: Action · Adventure · Dungeon Crawler

Hades II
Shared: Action · Roguelike · Hack and Slash

Hades
Shared: Action · Hack and Slash · Roguelite

Escape From Duckov
Shared: Action · Adventure · Exploration

Noita
Shared: Sandbox · Roguelike · Dungeon Crawler

Cinderia
Shared: Action · Hack and Slash · Dungeon Crawler

Rise of the Tomb Raider™
Shared: Action · Adventure · Action-Adventure

Deaths Door
Shared: Action · Adventure · Action-Adventure

Terraria
Shared: Sandbox · Adventure · Exploration

Tomb Raider Game of the Year
Shared: Action · Adventure · Action-Adventure

Slime Rancher
Shared: Adventure · Exploration · Sandbox

Moonlighter
Shared: Dungeon Crawler · Hack and Slash · Roguelike

Dead Cells
Shared: Adventure · Roguelike · Roguelite

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

Skul: The Hero Slayer
Shared: Action · Roguelike · Roguelite

A Plague Tale: Requiem
Shared: Action · Adventure · Action-Adventure

Wizard of Legend
Shared: Action · Dungeon Crawler · Roguelike

Crimson Desert Enhanced
Shared: Action · Adventure · Exploration

Solar Ash
Shared: Action · Adventure · Action-Adventure

Portal Knights
Shared: Adventure · Sandbox · Action

Kena: Bridge of Spirits
Shared: Action · Adventure · Action-Adventure

Made in Abyss: Binary Star Falling into Darkness
Shared: Action · Adventure · Action-Adventure

Just Cause 2
Shared: Action · Sandbox · Adventure