Games like Tiny and Big: Grandpas Leftovers
Games like Tiny and Big: Grandpas Leftovers include Portal 2, Portal, Ori and the Will of the Wisps, Human Fall Flat, and GRIS. We matched them by the tags players give Tiny and Big: Grandpas Leftovers on Steam (Indie, Physics, Platformer, Puzzle, and 3D Platformer): closest matches first, and among equally close ones the better-known games.

Portal 2
Shared: Platformer · Puzzle · Singleplayer

Portal
Shared: Puzzle · 3D Platformer · Physics

Ori and the Will of the Wisps
Shared: Platformer · Great Soundtrack · Adventure

Human Fall Flat
Shared: Puzzle · Physics · Adventure

GRIS
Shared: Indie · Great Soundtrack · Platformer

A Hat in Time
Shared: 3D Platformer · Great Soundtrack · Indie

Psychonauts
Shared: Platformer · Adventure · Comedy

LIMBO
Shared: Indie · Platformer · Puzzle

Hollow Knight
Shared: Platformer · Indie · Great Soundtrack

Hollow Knight: Silksong
Shared: Indie · Great Soundtrack · Platformer

BEEP
Shared: Indie · Platformer · Physics

Donut County
Shared: Indie · Physics · Puzzle

Pumpkin Jack
Shared: Indie · Adventure · 3D Platformer

Brothers - A Tale of Two Sons
Shared: Indie · Adventure · Puzzle

Octodad: Dadliest Catch
Shared: Physics · Indie · Comedy

Seen
Shared: Indie · Puzzle · Adventure

Sonic Adventure 2
Shared: Great Soundtrack · Platformer · 3D Platformer

Pizza Tower
Shared: Indie · Great Soundtrack · Platformer

BONEWORKS
Shared: Physics · Great Soundtrack · Puzzle

FEZ
Shared: Indie · Platformer · Puzzle

Contrast
Shared: Indie · Puzzle · Platformer

Sonic Adventure DX
Shared: Platformer · Great Soundtrack · 3D Platformer

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

Little Nightmares
Shared: Indie · Adventure · Puzzle