Games like Volar
Games like Volar include Rogue Legacy 2, Webbed, Twin Shot Deluxe, SANABI, and pureya. We matched them by the tags players give Volar on Steam (Side Scroller, 2D Platformer, Platformer, Arcade, and 2D): closest matches first, and among equally close ones the better-known games.

Rogue Legacy 2
Shared: Arcade · Platformer · Action

Webbed
Shared: 2D Platformer · Cute · Platformer

Twin Shot Deluxe
Shared: 2D Platformer · Arcade · Action

SANABI
Shared: 2D Platformer · Action · 2D

pureya
Shared: Arcade · 2D · Side Scroller

Pizza Tower
Shared: 2D Platformer · Platformer · Cartoony

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

Celeste
Shared: Platformer · 2D Platformer · 2D

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

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

Oozi: Earth Adventure
Shared: 2D Platformer · Platformer · Side Scroller

Hollow Knight
Shared: Platformer · 2D · Indie

Sonic Origins
Shared: 2D Platformer · Action · Platformer

Sonic Mania
Shared: Platformer · 2D · Side Scroller

Broforce
Shared: Action · 2D · Platformer

Sonic Superstars
Shared: 2D Platformer · Platformer · Action

Mark of the Ninja
Shared: Platformer · Side Scroller · 2D

Geometry Dash
Shared: 2D · Platformer · Side Scroller

LIMBO
Shared: Platformer · 2D · Side Scroller

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

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

Deadlight
Shared: Platformer · Side Scroller · Action

Sonic the Hedgehog 4 Episode 1
Shared: Platformer · 2D · Action

Tribal Hunter
Shared: 2D Platformer · Platformer · Action