Games like Falling Frog
Games like Falling Frog include Celeste, Jump King, Super Meat Boy, Geometry Dash, and SANABI. We matched them by the tags players give Falling Frog on Steam (Precision Platformer, Difficult, Action, Psychological Horror, and Indie): closest matches first, and among equally close ones the better-known games.

Celeste
Shared: Precision Platformer · Difficult · Indie

Jump King
Shared: Difficult · Precision Platformer · Psychological Horror

Super Meat Boy
Shared: Precision Platformer · Difficult · Platformer

Geometry Dash
Shared: Difficult · Precision Platformer · 2D

SANABI
Shared: Action · 2D Platformer · Adventure

Hollow Knight
Shared: Difficult · Platformer · Indie

VVVVVV
Shared: Precision Platformer · Indie · Platformer

Hollow Knight: Silksong
Shared: Difficult · Indie · Platformer

Pogostuck: Rage With Your Friends
Shared: Difficult · Precision Platformer · Psychological Horror

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

Downwell
Shared: Precision Platformer · Indie · Platformer

Blasphemous 2
Shared: Difficult · Adventure · 2D Platformer

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

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

Nine Sols
Shared: Difficult · Action · Platformer

Katana ZERO
Shared: Action · Platformer · Indie

I wanna be the Creator
Shared: Action · Platformer · Difficult

Blasphemous
Shared: Difficult · Indie · Action

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

Ambidextro
Shared: Precision Platformer · Action · 2D Platformer

A Difficult Game About Climbing
Shared: Difficult · Psychological Horror · Precision Platformer

Rain World
Shared: Difficult · Indie · Platformer

Titan Souls
Shared: Difficult · Indie · Action

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