Games like Squishy the Suicidal Pig
Games like Squishy the Suicidal Pig include LIMBO, Celeste, FEZ, Portal 2, and Out There Somewhere. We matched them by the tags players give Squishy the Suicidal Pig on Steam (Indie, Platformer, Puzzle, Puzzle Platformer, and Adventure): closest matches first, and among equally close ones the better-known games.

LIMBO
Shared: Indie · Puzzle Platformer · Puzzle

Celeste
Shared: Indie · Platformer · Pixel Graphics

FEZ
Shared: Platformer · Indie · Puzzle

Portal 2
Shared: Platformer · Puzzle · Puzzle Platformer

Out There Somewhere
Shared: Platformer · Indie · Puzzle

Jump King
Shared: Indie · Platformer · Difficult

There Is No Game: Wrong Dimension
Shared: Indie · Puzzle · Adventure

Hollow Knight
Shared: Platformer · Indie · Difficult

Defy Gravity Extended
Shared: Platformer · Indie · Puzzle Platformer

Hollow Knight: Silksong
Shared: Indie · Difficult · Platformer

Shovel Knight: Treasure Trove
Shared: Platformer · Indie · Pixel Graphics

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

Super Meat Boy
Shared: Platformer · Indie · Difficult

Braid
Shared: Puzzle · Indie · Puzzle Platformer

ANIMAL WELL
Shared: Puzzle · Platformer · Puzzle Platformer

Nihilumbra
Shared: Indie · Platformer · Puzzle

Kindergarten 2
Shared: Indie · Adventure · Pixel Graphics

MO:Astray
Shared: Indie · Adventure · Platformer

Oddworld: New 'n' Tasty
Shared: Platformer · Puzzle Platformer · Puzzle

Blasphemous
Shared: Pixel Graphics · Indie · 2D

Little Nightmares
Shared: Adventure · Puzzle Platformer · Indie

Skul: The Hero Slayer
Shared: Indie · Pixel Graphics · Platformer

Pikuniku
Shared: Indie · Puzzle · Adventure

Geometry Dash
Shared: Difficult · Platformer · 2D