Games like Shiny The Firefly
Games like Shiny The Firefly include Pikuniku, Super Fancy Pants Adventure, Minimalism, Dust: An Elysian Tail, and BEEP. We matched them by the tags players give Shiny The Firefly on Steam (Indie, Action, Adventure, Casual, and Platformer): closest matches first, and among equally close ones the better-known games.

Pikuniku
Shared: Indie · Adventure · Casual

Super Fancy Pants Adventure
Shared: Action · Indie · Adventure

Minimalism
Shared: Indie · Action · Casual

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

BEEP
Shared: Indie · Adventure · Platformer

Chained Together
Shared: Adventure · Casual · Platformer

No Time To Explain Remastered
Shared: Indie · Action · Adventure

Hollow Knight
Shared: Platformer · Indie · Adventure

Skul: The Hero Slayer
Shared: Indie · Action · Platformer

Deadlight
Shared: Action · Indie · Platformer

Kao the Kangaroo: Round 2 (2003 re-release)
Shared: Adventure · Action · Casual

Rogue Legacy 2
Shared: Action · Indie · Platformer

SteamWorld Dig 2
Shared: Indie · Adventure · Action

Pumpkin Jack
Shared: Action · Adventure · Indie

Nihilumbra
Shared: Indie · Adventure · Platformer

Broforce
Shared: Action · Indie · Platformer

MO:Astray
Shared: Indie · Action · Adventure

Caster
Shared: Indie · Action · Adventure

Woodle Tree Adventures
Shared: Indie · Adventure · Platformer

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

Shovel Knight: Treasure Trove
Shared: Indie · Platformer · Adventure

Bladed fury
Shared: Indie · Action · Adventure

Mark of the Ninja
Shared: Indie · Platformer · Action

Cyberhunt
Shared: Indie · Action · Adventure