Games like Sparky's Hunt
Games like Sparky's Hunt include Firework, Cookie Clicker, Five Nights at Freddy's, No, I'm not a Human, and Detention. We matched them by the tags players give Sparky's Hunt on Steam (Indie and Horror): closest matches first, and among equally close ones the better-known games.

Firework
Shared: Indie · Horror

Cookie Clicker
Shared: Horror · Indie

Five Nights at Freddy's
Shared: Horror · Indie

No, I'm not a Human
Shared: Horror · Indie

Detention
Shared: Indie · Horror

Sally Face - Episode One
Shared: Indie · Horror

Little Nightmares
Shared: Horror · Indie

Mouthwashing
Shared: Horror · Indie

Poppy Playtime
Shared: Horror · Indie

Buckshot Roulette
Shared: Horror · Indie

Lethal Company
Shared: Horror · Indie

KinitoPET
Shared: Horror · Indie

DISTRAINT: Deluxe Edition
Shared: Indie · Horror

OMORI
Shared: Indie · Horror

Tales of the Black Forest
Shared: Horror · Indie

INSIDE
Shared: Horror · Indie

FAITH: The Unholy Trinity
Shared: Horror · Indie

Slender: The Arrival
Shared: Horror · Indie

Iron Lung
Shared: Horror · Indie

Five Nights at Freddy's 2
Shared: Horror · Indie

DreadOut
Shared: Indie · Horror

Bendy and the Dark Revival
Shared: Horror · Indie

Blair Witch
Shared: Horror · Indie

Bendy and the Ink Machine
Shared: Horror · Indie