Games like Jennifer's Fragments
Games like Jennifer's Fragments include What Remains of Edith Finch, SOMA, Rise of the Tomb Raider™, Poppy Playtime, and Little Nightmares II. We matched them by the tags players give Jennifer's Fragments on Steam (Puzzle, Female Protagonist, Exploration, Singleplayer, and Psychological Horror): closest matches first, and among equally close ones the better-known games.

What Remains of Edith Finch
Shared: Exploration · Atmospheric · Story Rich

SOMA
Shared: Psychological Horror · Atmospheric · Exploration

Rise of the Tomb Raider™
Shared: Female Protagonist · Singleplayer · Exploration

Poppy Playtime
Shared: Puzzle · Singleplayer · Dark

Little Nightmares II
Shared: Puzzle · Singleplayer · Dark

Tomb Raider Game of the Year
Shared: Female Protagonist · Singleplayer · Exploration

Layers of Fear (2016)
Shared: Psychological Horror · Singleplayer · Atmospheric

Fran Bow
Shared: Puzzle · Psychological Horror · Story Rich

Portal 2
Shared: Puzzle · Singleplayer · Female Protagonist

Outlast
Shared: Psychological Horror · Singleplayer · Atmospheric

Resident Evil 7 Biohazard
Shared: Singleplayer · First-Person · Atmospheric

Little Nightmares
Shared: Singleplayer · Puzzle · Atmospheric

Amnesia: The Dark Descent
Shared: Puzzle · Psychological Horror · Atmospheric

Hellblade: Senua's Sacrifice
Shared: Female Protagonist · Atmospheric · Singleplayer

Firewatch
Shared: Atmospheric · Singleplayer · Exploration

Outlast 2
Shared: Psychological Horror · Singleplayer · Dark

Still Wakes the Deep
Shared: Psychological Horror · Dark · First-Person

Amnesia: Rebirth
Shared: Puzzle · Singleplayer · Exploration

Outer Wilds
Shared: Exploration · Puzzle · Story Rich

Sally Face - Episode One
Shared: Psychological Horror · Puzzle · Story Rich

Metro Exodus
Shared: Singleplayer · Atmospheric · Story Rich

ROUTINE
Shared: Singleplayer · Psychological Horror · Puzzle

A Plague Tale: Innocence
Shared: Female Protagonist · Story Rich · Singleplayer

In Sound Mind
Shared: Puzzle · Psychological Horror · Singleplayer