Games like Gunk
Games like Gunk include Brawlhalla, Pizza Tower, Super Meat Boy, Celeste, and Spelunky 2. We matched them by the tags players give Gunk on Steam (Indie, Free to Play, 2D Platformer, and Platformer): closest matches first, and among equally close ones the better-known games.

Brawlhalla
Shared: Free to Play · 2D Platformer · Platformer

Pizza Tower
Shared: 2D Platformer · Indie · Platformer

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

Celeste
Shared: Indie · Platformer · 2D Platformer

Spelunky 2
Shared: 2D Platformer · Platformer · Indie

Neon Beats
Shared: Free to Play · Indie · Platformer

Katana ZERO
Shared: Platformer · Indie · 2D Platformer

The Darkest Tales — Into the Nightmare
Shared: Free to Play · Platformer · 2D Platformer

Braid
Shared: Indie · 2D Platformer · Platformer

VVVVVV
Shared: Indie · Platformer · 2D Platformer

Hollow Knight
Shared: Platformer · Indie

Rain World
Shared: Indie · Platformer · 2D Platformer

Neva
Shared: Indie · Platformer · 2D Platformer

20XX
Shared: Platformer · 2D Platformer · Indie

Gravity Circuit
Shared: Indie · Platformer · 2D Platformer

Hollow Knight: Silksong
Shared: Indie · Platformer

Webbed
Shared: 2D Platformer · Platformer · Indie

Trine 2: Complete Story
Shared: 2D Platformer · Platformer · Indie

SANABI
Shared: 2D Platformer · Indie · Platformer

Downwell
Shared: Indie · Platformer · 2D Platformer

Awesomenauts
Shared: Indie · Platformer · Free to Play

Songs for a Hero - Definitive Edition
Shared: 2D Platformer · Indie · Platformer

Anomaly Agent
Shared: 2D Platformer · Platformer · Indie

The Messenger
Shared: Platformer · Indie · 2D Platformer