Games like SOONA
Games like SOONA include SANABI, LIMBO, The Fall, Mark of the Ninja, and Deadlight. We matched them by the tags players give SOONA on Steam (Action, Indie, Adventure, Side Scroller, and 2D Platformer): closest matches first, and among equally close ones the better-known games.

SANABI
Shared: Action · Adventure · 2D Platformer

LIMBO
Shared: Indie · Adventure · Atmospheric

The Fall
Shared: Adventure · Indie · Action

Mark of the Ninja
Shared: Indie · Action · Platformer

Deadlight
Shared: Action · Indie · Adventure

Seen
Shared: Indie · Adventure · Dark

ICEY
Shared: Action · Side Scroller · Adventure

Hollow Knight
Shared: Indie · Platformer · Adventure

Ghost Song
Shared: Action · Indie · Sci-fi

MO:Astray
Shared: Action · Indie · Adventure

Katana ZERO
Shared: Action · Indie · 2D Platformer

Skul: The Hero Slayer
Shared: Action · Indie · 2D

Zombotron
Shared: Action · Adventure · Indie

Planet of Lana
Shared: Action · 2D Platformer · Atmospheric

Ori and the Will of the Wisps
Shared: Action · Adventure · Platformer

Axiom Verge
Shared: Indie · Action · Adventure

Nine Sols
Shared: Action · Indie · Platformer

INSIDE
Shared: Atmospheric · Indie · Dark

Deliver Us The Moon
Shared: Indie · Action · Adventure

Celeste
Shared: Indie · 2D Platformer · Platformer

Mark of the Ninja: Remastered
Shared: Action · Indie · Side Scroller

Anomaly Agent
Shared: Side Scroller · 2D Platformer · Platformer

Dust: An Elysian Tail
Shared: Action · Indie · Adventure

Owlboy
Shared: Indie · Adventure · Action