Games like Vega
Games like Vega include Celeste, Hollow Knight, Rain World, SANABI, and Momodora: Reverie Under The Moonlight. We matched them by the tags players give Vega on Steam (Side Scroller, Exploration, 2D Platformer, Platformer, and 2D): closest matches first, and among equally close ones the better-known games.

Celeste
Shared: Platformer · 2D Platformer · Pixel Graphics

Hollow Knight
Shared: Platformer · 2D · Exploration

Rain World
Shared: Exploration · Platformer · 2D

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

Momodora: Reverie Under The Moonlight
Shared: Side Scroller · 2D Platformer · Exploration

Webbed
Shared: 2D Platformer · Exploration · Cute

OneShot
Shared: Story Rich · Cute · Pixel Graphics

Ori and the Will of the Wisps
Shared: Platformer · Exploration · Story Rich

Hollow Knight: Silksong
Shared: 2D · Exploration · Platformer

Owlboy
Shared: Platformer · 2D · Pixel Graphics

Haiku, the Robot
Shared: Exploration · Platformer · Side Scroller

Blasphemous 2
Shared: Side Scroller · 2D Platformer · Fantasy

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

ANIMAL WELL
Shared: Exploration · Platformer · 2D

Thomas Was Alone
Shared: Side Scroller · Platformer · 2D Platformer

FEZ
Shared: Platformer · Exploration · Pixel Graphics

Timespinner
Shared: Side Scroller · 2D Platformer · Exploration

Clair Obscur: Expedition 33
Shared: Story Rich · Turn-Based Combat · Exploration

Islets
Shared: Platformer · Story Rich · Cute

UNREAL LIFE
Shared: Side Scroller · Story Rich · Exploration

Shovel Knight: Treasure Trove
Shared: Platformer · 2D · Pixel Graphics

Öoo
Shared: 2D Platformer · Exploration · 2D

INMOST
Shared: Exploration · Pixel Graphics · Story Rich

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