Games like Gos Castle Runner
Games like Gos Castle Runner include SANABI, Celeste, Super Meat Boy, Skul: The Hero Slayer, and Super Meat Boy Forever. We matched them by the tags players give Gos Castle Runner on Steam (Casual, Runner, Action, 2D Platformer, and Indie): closest matches first, and among equally close ones the better-known games.

SANABI
Shared: Action · 2D Platformer · Indie

Celeste
Shared: Difficult · Indie · 2D Platformer

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

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

Super Meat Boy Forever
Shared: Action · Indie · Runner

Hollow Knight
Shared: Difficult · Indie · Platformer

Hollow Knight: Silksong
Shared: Indie · Difficult · Singleplayer

Minimalism
Shared: Casual · Action · Indie

Turbo Pug
Shared: Casual · Indie · Runner

LIMBO
Shared: Indie · Dark · Singleplayer

Pizza Tower
Shared: 2D Platformer · Indie · Action

Katana ZERO
Shared: Action · 2D Platformer · Indie

Rogue Legacy 2
Shared: Action · Indie · Difficult

Kao the Kangaroo: Round 2 (2003 re-release)
Shared: Casual · Action · Racing

Planet of Lana
Shared: Action · 2D Platformer · Indie

Momoka (wo) Wasshoi
Shared: Casual · Action · Runner

Geometry Dash
Shared: Difficult · Indie · Singleplayer

Seen
Shared: Indie · Action · Dark

Oozi: Earth Adventure
Shared: 2D Platformer · Casual · Indie

Timberman
Shared: Casual · Action · Indie

Getting Over It with Bennett Foddy
Shared: Difficult · Casual · Indie

Super Fancy Pants Adventure
Shared: Action · Casual · Indie

Sonic Superstars
Shared: Action · Casual · 2D Platformer

Tribal Hunter
Shared: Action · 2D Platformer · Casual