Games like Goblin Dungeoneer
Games like Goblin Dungeoneer include SANABI, Celeste, Rogue Legacy 2, Super Mombo Quest, and Downwell. We matched them by the tags players give Goblin Dungeoneer on Steam (Action, Adventure, Action-Adventure, Arcade, and Platformer): closest matches first, and among equally close ones the better-known games.

SANABI
Shared: Action · Adventure · 2D Platformer

Celeste
Shared: Platformer · Precision Platformer · 2D Platformer

Rogue Legacy 2
Shared: Action · Arcade · Platformer

Super Mombo Quest
Shared: Action · Adventure · Arcade

Downwell
Shared: Action · Platformer · Arcade

Exit the Gungeon
Shared: Action · Arcade · Adventure

Anomaly Agent
Shared: 2D Platformer · Platformer · Side Scroller

I wanna be the Creator
Shared: Action · Action-Adventure · Adventure

Sonic Superstars
Shared: Action · Adventure · Platformer

Prince of Persia The Lost Crown
Shared: Action · Adventure · 2D Platformer

Trine 5: A Clockwork Conspiracy
Shared: Action · Adventure · Action-Adventure

Ori and the Will of the Wisps
Shared: Action · Platformer · Adventure

Mina the Hollower
Shared: Action-Adventure · Platformer · 2D Platformer

SUPER CHICKEN JUMPER
Shared: Arcade · Action-Adventure · Action

Skul: The Hero Slayer
Shared: Action · Platformer · Indie

Broforce
Shared: Action · Platformer · 2D

Hollow Knight
Shared: Platformer · Adventure · Souls-like

Blasphemous 2
Shared: Adventure · 2D Platformer · Action

Sonic Origins
Shared: Action · Adventure · 2D Platformer

BlazBlue Entropy Effect
Shared: Action · Action-Adventure · Platformer

Pumpkin Jack
Shared: Action · Adventure · Collectathon

Shovel Knight: Treasure Trove
Shared: Platformer · Adventure · Action

Super Meat Boy
Shared: Platformer · 2D Platformer · Precision Platformer

Momodora: Reverie Under The Moonlight
Shared: 2D Platformer · Side Scroller · Action