Games like The Wire Man
Games like The Wire Man include Celeste, Jump King, Getting Over It with Bennett Foddy, SANABI, and Super Meat Boy. We matched them by the tags players give The Wire Man on Steam (Psychological Horror, Difficult, 2D Platformer, Pixel Graphics, and 2D): closest matches first, and among equally close ones the better-known games.

Celeste
Shared: Difficult · Pixel Graphics · 2D Platformer

Jump King
Shared: Psychological Horror · Difficult · Pixel Graphics

Getting Over It with Bennett Foddy
Shared: Psychological Horror · Difficult · Singleplayer

SANABI
Shared: Pixel Graphics · 2D Platformer · Singleplayer

Super Meat Boy
Shared: Difficult · 2D Platformer · Pixel Graphics

Geometry Dash
Shared: Difficult · 2D · Singleplayer

Pizza Tower
Shared: 2D Platformer · Pixel Graphics · Indie

Hollow Knight
Shared: Difficult · Platformer · 2D

Rain World
Shared: Difficult · Pixel Graphics · 2D

Changed
Shared: Difficult · Psychological Horror · Pixel Graphics

Hollow Knight: Silksong
Shared: Difficult · 2D · Singleplayer

Katana ZERO
Shared: Pixel Graphics · 2D Platformer · Platformer

Skul: The Hero Slayer
Shared: Pixel Graphics · 2D · Indie

Shovel Knight: Treasure Trove
Shared: Pixel Graphics · Platformer · 2D

SUPER CHICKEN JUMPER
Shared: Difficult · 2D · Pixel Graphics

VVVVVV
Shared: Pixel Graphics · 2D Platformer · Difficult

The Messenger
Shared: Pixel Graphics · Platformer · 2D

A Difficult Game About Climbing
Shared: Psychological Horror · Difficult · Singleplayer

I wanna be the Creator
Shared: Difficult · Platformer · Psychological Horror

Downwell
Shared: Pixel Graphics · 2D Platformer · Difficult

Webbed
Shared: 2D Platformer · Pixel Graphics · 2D

Exit the Gungeon
Shared: Pixel Graphics · Difficult · 2D

Blasphemous
Shared: Pixel Graphics · 2D · Difficult

Noita
Shared: Difficult · Pixel Graphics · 2D