Games like Flippy the Spider
Games like Flippy the Spider include Celeste, Super Meat Boy, Geometry Dash, Downwell, and Hollow Knight. We matched them by the tags players give Flippy the Spider on Steam (Precision Platformer, Difficult, Racing, Action, and Physics): closest matches first, and among equally close ones the better-known games.

Celeste
Shared: Precision Platformer · Difficult · Indie

Super Meat Boy
Shared: Precision Platformer · Difficult · Indie

Geometry Dash
Shared: Difficult · Precision Platformer · Singleplayer

Downwell
Shared: Precision Platformer · Indie · Difficult

Hollow Knight
Shared: Difficult · Platformer · Indie

VVVVVV
Shared: Precision Platformer · Difficult · Indie

Super Meat Boy Forever
Shared: Difficult · Precision Platformer · Action

Jump King
Shared: Difficult · Precision Platformer · Indie

Pizza Tower
Shared: 2D Platformer · Indie · Action

Getting Over It with Bennett Foddy
Shared: Difficult · Physics · Singleplayer

Hollow Knight: Silksong
Shared: Difficult · Indie · Singleplayer

Rogue Legacy 2
Shared: Action · Indie · Difficult

SANABI
Shared: Action · 2D Platformer · Singleplayer

The End Is Nigh
Shared: Precision Platformer · Difficult · Indie

Golfing Over It with Alva Majo
Shared: Difficult · Precision Platformer · Physics

Katana ZERO
Shared: Action · 2D Platformer · Indie

A Dance of Fire and Ice
Shared: Difficult · Indie · Singleplayer

Cuphead
Shared: Difficult · Platformer · Indie

N++ (NPLUSPLUS)
Shared: Precision Platformer · Difficult · 2D Platformer

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

A Difficult Game About Climbing
Shared: Difficult · Precision Platformer · Action

Noita
Shared: Difficult · Physics · Indie

Webbed
Shared: 2D Platformer · Physics · Platformer

Rain World
Shared: Difficult · Indie · Platformer