Games like Mara
Games like Mara include Poppy Playtime, Garten of Banban, Buckshot Roulette, Layers of Fear (2016), and Outlast. We matched them by the tags players give Mara on Steam (Psychological Horror, Walking Simulator, Horror, Indie, and Dark): closest matches first, and among equally close ones the better-known games.

Poppy Playtime
Shared: Horror · Psychological Horror · First-Person

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

Buckshot Roulette
Shared: Horror · Dark · First-Person

Layers of Fear (2016)
Shared: Psychological Horror · Horror · Walking Simulator

Outlast
Shared: Horror · Psychological Horror · First-Person

Little Nightmares II
Shared: Horror · Psychological Horror · Dark

Garten of Banban 2
Shared: Horror · Psychological Horror · First-Person

SOMA
Shared: Psychological Horror · Horror · Dark

Slender: The Arrival
Shared: Horror · Indie · Psychological Horror

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

Among the Sleep - Enhanced Edition
Shared: Horror · Indie · Walking Simulator

Still Wakes the Deep
Shared: Psychological Horror · Horror · Walking Simulator

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

Amnesia: The Dark Descent
Shared: Psychological Horror · Horror · First-Person

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

Sally Face - Episode One
Shared: Psychological Horror · Horror · Indie

Little Nightmares
Shared: Horror · Dark · Indie

Blair Witch
Shared: Psychological Horror · Horror · Indie

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

Visage
Shared: Psychological Horror · Horror · Dark

MiSide
Shared: Psychological Horror · Horror · First-Person

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

From The Darkness
Shared: Psychological Horror · Horror · Indie

ROUTINE
Shared: Psychological Horror · Dark · Horror