Games like Goblin and Coins
Games like Goblin and Coins include Celeste, Spelunky 2, Super Meat Boy, Momodora: Reverie Under The Moonlight, and SANABI. We matched them by the tags players give Goblin and Coins on Steam (Side Scroller, 2D Platformer, Perma Death, Difficult, and Platformer): closest matches first, and among equally close ones the better-known games.

Celeste
Shared: Difficult · 2D Platformer · Platformer

Spelunky 2
Shared: 2D Platformer · Platformer · Difficult

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

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

SANABI
Shared: 2D Platformer · 2D · Action

Skul: The Hero Slayer
Shared: 2D · Platformer · Side Scroller

Pizza Tower
Shared: 2D Platformer · Platformer · Indie

Geometry Dash
Shared: Difficult · 2D · Platformer

Hollow Knight
Shared: Platformer · Difficult · 2D

Blasphemous 2
Shared: Difficult · 2D Platformer · Side Scroller

30XX
Shared: 2D Platformer · Side Scroller · Perma Death

Cuphead
Shared: Difficult · Platformer · 2D

Katana ZERO
Shared: 2D Platformer · Platformer · Action

Rain World
Shared: Difficult · Platformer · 2D

Webbed
Shared: 2D Platformer · Cute · Platformer

Shovel Knight: Treasure Trove
Shared: Platformer · 2D · Difficult

NINJA GAIDEN: Ragebound
Shared: 2D Platformer · Side Scroller · Platformer

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

Gravity Circuit
Shared: Platformer · 2D Platformer · 2D

Bread & Fred
Shared: 2D Platformer · Difficult · Cute

Noita
Shared: Difficult · Perma Death · 2D

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

Turbo Pug
Shared: Side Scroller · Difficult · 2D

Touhou Luna Nights
Shared: Side Scroller · Difficult · Platformer