Games like Smaller
Games like Smaller include Heartbound, Seen, Touhou Big Big Battle, Feed and Grow: Fish, and Running Through Russia. We matched them by the tags players give Smaller on Steam (Indie, Adventure, and Early Access): closest matches first, and among equally close ones the better-known games.

Heartbound
Shared: Adventure · Indie · Early Access

Seen
Shared: Indie · Adventure · Early Access

Touhou Big Big Battle
Shared: Indie · Early Access · Adventure

Feed and Grow: Fish
Shared: Early Access · Indie · Adventure

Running Through Russia
Shared: Indie · Adventure · Early Access

Don't Starve
Shared: Adventure · Indie

G2 Fighter / 基因特工
Shared: Adventure · Indie · Early Access

New kind of adventure
Shared: Indie · Early Access · Adventure

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

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

Chants of Sennaar
Shared: Adventure · Indie

Terra Incognita Chapter One: The Descendant
Shared: Indie · Early Access · Adventure

To the Moon
Shared: Indie · Adventure

Wobbly Life
Shared: Adventure · Indie · Early Access

Notes of Soul
Shared: Adventure · Indie · Early Access

Journey
Shared: Adventure · Indie

Florence
Shared: Indie · Adventure

GRIS
Shared: Indie · Adventure

Hollow Knight: Silksong
Shared: Indie · Adventure

Beasts of Bermuda
Shared: Adventure · Indie · Early Access

Pikuniku
Shared: Indie · Adventure

Dungeon Munchies
Shared: Indie · Adventure · Early Access

Legioncraft
Shared: Indie · Adventure · Early Access

Obenseuer
Shared: Indie · Early Access · Adventure