Games like Sparky Marky: Episode 1
Games like Sparky Marky: Episode 1 include Poppy Playtime, Garten of Banban, Bendy and the Ink Machine, Outlast, and Resident Evil 7 Biohazard. We matched them by the tags players give Sparky Marky: Episode 1 on Steam (Horror, Survival Horror, Cartoony, Episodic, and Puzzle): closest matches first, and among equally close ones the better-known games.

Poppy Playtime
Shared: Horror · Survival Horror · Puzzle

Garten of Banban
Shared: Horror · First-Person · Cartoony

Bendy and the Ink Machine
Shared: Horror · Cartoony · First-Person

Outlast
Shared: Horror · Survival Horror · First-Person

Resident Evil 7 Biohazard
Shared: Horror · Survival Horror · First-Person

Bendy and the Dark Revival
Shared: Horror · Survival Horror · First-Person

Five Nights at Freddy's: Security Breach
Shared: Horror · Survival Horror · Singleplayer

Garten of Banban 2
Shared: Horror · Puzzle · Cartoony

Lethal Company
Shared: Horror · Survival Horror · First-Person

Escape the Backrooms
Shared: Horror · Survival Horror · First-Person

Inside the Backrooms
Shared: Horror · Survival Horror · Puzzle

SOMA
Shared: Horror · Survival Horror · Psychological Horror

Amnesia: The Dark Descent
Shared: Horror · Survival Horror · Puzzle

Layers of Fear (2016)
Shared: Horror · First-Person · Psychological Horror

Garten of Banban 3
Shared: Horror · Cartoony · First-Person

Outlast 2
Shared: Horror · Survival Horror · First-Person

Five Nights at Freddy's
Shared: Horror · Survival Horror · Singleplayer

Granny
Shared: Horror · Survival Horror · Puzzle

Visage
Shared: Horror · Survival Horror · Psychological Horror

The Forest
Shared: Horror · Survival Horror · First-Person

The Beast Inside
Shared: Horror · Survival Horror · First-Person

Resident Evil Village
Shared: Horror · Survival Horror · First-Person

Slender: The Arrival
Shared: Horror · Survival Horror · First-Person

Garten of Banban 4
Shared: Horror · Cartoony · First-Person