Games like Metamancer
Games like Metamancer include Dome Keeper, Skul: The Hero Slayer, Elin, Sephiria, and Neon Abyss. We matched them by the tags players give Metamancer on Steam (Action, Roguelike, Turn-Based Tactics, Pixel Graphics, and Cyberpunk): closest matches first, and among equally close ones the better-known games.

Dome Keeper
Shared: Roguelike · Action · Combat

Skul: The Hero Slayer
Shared: Action · Roguelike · Pixel Graphics

Elin
Shared: Roguelike · Character Customization · Pixel Graphics

Sephiria
Shared: Roguelike · Action · Pixel Graphics

Neon Abyss
Shared: Roguelike · Pixel Graphics · Procedural Generation

SANABI
Shared: Action · Pixel Graphics · Cyberpunk

Stoneshard
Shared: Roguelike · Pixel Graphics · RPG

The Binding of Isaac: Rebirth
Shared: Roguelike · Pixel Graphics · Indie

Vampire Survivors
Shared: Pixel Graphics · Roguelike · Action

Katana ZERO
Shared: Action · Pixel Graphics · Cyberpunk

Rogue Legacy
Shared: Roguelike · Action · Pixel Graphics

Cyberpunk 2077
Shared: Cyberpunk · RPG · Action

Hades II
Shared: Action · Roguelike · RPG

Black Myth: Wukong
Shared: Action · Combat · RPG

Dungreed
Shared: Roguelike · Pixel Graphics · Action

MONSTER HUNTER RISE
Shared: Action · Character Customization · RPG

Streets of Rogue
Shared: Pixel Graphics · Roguelike · Action

Heroes of Hammerwatch II
Shared: Action · Roguelike · RPG

The Binding of Isaac
Shared: Roguelike · Action · Procedural Generation

Path of Achra
Shared: Roguelike · Character Customization · Pixel Graphics

Hades
Shared: Action · Roguelike · Indie

Pixel Gun 3D: PC Edition
Shared: Pixel Graphics · Action · Character Customization

Children of Morta
Shared: Roguelike · Pixel Graphics · Action

Death Road to Canada
Shared: Pixel Graphics · Roguelike · Action