Games like Sonic Origins
Games like Sonic Origins include Sonic Mania, Pizza Tower, SANABI, Katana ZERO, and Sonic Adventure 2. We matched them by the tags players give Sonic Origins on Steam (Action, 2D Platformer, Adventure, Retro, and Pixel Graphics): closest matches first, and among equally close ones the better-known games.

Sonic Mania
Shared: Retro · Great Soundtrack · Platformer

Pizza Tower
Shared: 2D Platformer · Great Soundtrack · Platformer

SANABI
Shared: Action · Pixel Graphics · 2D Platformer

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

Sonic Adventure 2
Shared: Action · Great Soundtrack · Adventure

Sonic Adventure DX
Shared: Adventure · Platformer · Action

Celeste
Shared: Pixel Graphics · 2D Platformer · Great Soundtrack

DuckTales: Remastered
Shared: Adventure · Action · Platformer

Shovel Knight: Treasure Trove
Shared: Retro · Pixel Graphics · Platformer

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

The Messenger
Shared: Retro · Platformer · Pixel Graphics

SONIC X SHADOW GENERATIONS
Shared: Action · 2D Platformer · Platformer

Freedom Planet
Shared: Action · Platformer · Great Soundtrack

VVVVVV
Shared: Pixel Graphics · 2D Platformer · Platformer

Sonic Superstars
Shared: Action · 2D Platformer · Adventure

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

Downwell
Shared: Pixel Graphics · 2D Platformer · Action

Hotline Miami 2: Wrong Number
Shared: Action · Pixel Graphics · Great Soundtrack

Sonic the Hedgehog 4 Episode 1
Shared: Action · Adventure · Platformer

Out There Somewhere
Shared: Pixel Graphics · Platformer · Adventure

UFO 50
Shared: Action · Retro · Pixel Graphics

Hotline Miami
Shared: Action · Great Soundtrack · Pixel Graphics

Gravity Circuit
Shared: Action · Platformer · Pixel Graphics

Webbed
Shared: 2D Platformer · Pixel Graphics · Platformer