Games like Dungeonoid
Games like Dungeonoid include UFO 50, Shovel Knight: Treasure Trove, Broforce, Vampire Survivors, and Hotline Miami. We matched them by the tags players give Dungeonoid on Steam (Retro, Pixel Graphics, 2D, Arcade, and Action): closest matches first, and among equally close ones the better-known games.

UFO 50
Shared: Pixel Graphics · Retro · 2D

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

Broforce
Shared: Pixel Graphics · Action · 2D

Vampire Survivors
Shared: Pixel Graphics · 2D · Arcade

Hotline Miami
Shared: Pixel Graphics · Action · Retro

Kung Fury: Street Rage - Ultimate Edition
Shared: Arcade · Retro · Action

Hotline Miami 2: Wrong Number
Shared: Pixel Graphics · Action · Retro

Bloodstained: Curse of the Moon
Shared: Pixel Graphics · Retro · Action

Duck Game
Shared: Pixel Graphics · 2D · Action

Sonic Mania
Shared: 2D · Retro · Pixel Graphics

Huntdown
Shared: Pixel Graphics · Action · 2D

The Messenger
Shared: Retro · Pixel Graphics · 2D

Warhammer 40,000: Boltgun
Shared: Retro · Pixel Graphics · Action

SANABI
Shared: Pixel Graphics · Action · 2D

Blazing Chrome
Shared: Retro · Pixel Graphics · Action

LUFTRAUSERS
Shared: Arcade · Pixel Graphics · Action

METAL SLUG
Shared: 2D · Arcade · Action

Shower With Your Dad Simulator 2015: Do You Still Shower With Your Dad
Shared: 2D · Arcade · Pixel Graphics

Bud Spencer & Terence Hill - Slaps And Beans
Shared: Pixel Graphics · Retro · Action

Streets of Rage 4
Shared: 2D · Action · Arcade

Exit the Gungeon
Shared: Arcade · Action · Pixel Graphics

Wizorb
Shared: Pixel Graphics · Retro · Arcade

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

Timberman
Shared: Pixel Graphics · 2D · Action