Games like Solacinity
Games like Solacinity include Celeste, SANABI, Super Meat Boy, Katana ZERO, and Finding Paradise. We matched them by the tags players give Solacinity on Steam (2D Platformer, Platformer, Pixel Graphics, Adventure, and Precision Platformer): closest matches first, and among equally close ones the better-known games.

Celeste
Shared: Pixel Graphics · Precision Platformer · Platformer

SANABI
Shared: Pixel Graphics · 2D Platformer · Story Rich

Super Meat Boy
Shared: Platformer · 2D Platformer · Precision Platformer

Katana ZERO
Shared: Pixel Graphics · Platformer · 2D Platformer

Finding Paradise
Shared: Pixel Graphics · Adventure · Story Rich

Hollow Knight
Shared: Platformer · Adventure · Singleplayer

Brothers - A Tale of Two Sons
Shared: Adventure · Story Rich · Atmospheric

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

To the Moon
Shared: Story Rich · Pixel Graphics · Adventure

VVVVVV
Shared: Pixel Graphics · Platformer · 2D Platformer

Owlboy
Shared: Pixel Graphics · Platformer · Adventure

Impostor Factory
Shared: Pixel Graphics · Story Rich · Adventure

Neva
Shared: Platformer · Adventure · Atmospheric

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

OneShot
Shared: Pixel Graphics · Story Rich · Atmospheric

Rain World
Shared: Pixel Graphics · Platformer · Atmospheric

Jump King
Shared: Pixel Graphics · Precision Platformer · Platformer

GRIS
Shared: Atmospheric · Adventure · Platformer

Hollow Knight: Silksong
Shared: Platformer · Adventure · Singleplayer

Downwell
Shared: Pixel Graphics · Precision Platformer · Platformer

Eastward
Shared: Pixel Graphics · Adventure · Story Rich

Pizza Tower
Shared: 2D Platformer · Platformer · Pixel Graphics

Rusted Moss
Shared: Platformer · Pixel Graphics · 2D Platformer

INMOST
Shared: Pixel Graphics · Adventure · Story Rich