Games like Haunted Heye Apartment
Games like Haunted Heye Apartment include The Hungry Lamb: Traveling in the Late Ming Dynasty, Lay a Beauty to Rest: The Darkness Peach Blossom Spring, Raging Loop, The NOexistenceN of you AND me, and Danganronpa 2: Goodbye Despair. We matched them by the tags players give Haunted Heye Apartment on Steam (Interactive Fiction, Mystery, Psychological Horror, Story Rich, and Visual Novel): closest matches first, and among equally close ones the better-known games.

The Hungry Lamb: Traveling in the Late Ming Dynasty
Shared: Interactive Fiction · Visual Novel · Story Rich

Lay a Beauty to Rest: The Darkness Peach Blossom Spring
Shared: Mystery · Interactive Fiction · Visual Novel

Raging Loop
Shared: Mystery · Visual Novel · Psychological Horror

The NOexistenceN of you AND me
Shared: Psychological Horror · Visual Novel · Interactive Fiction

Danganronpa 2: Goodbye Despair
Shared: Mystery · Visual Novel · Story Rich

The Weeping Swan: Ten Days of the City's Fall
Shared: Interactive Fiction · Multiple Endings · Visual Novel

Danganronpa: Trigger Happy Havoc
Shared: Mystery · Visual Novel · Story Rich

Scarlet Hollow
Shared: Psychological Horror · Visual Novel · Story Rich

Until Then
Shared: Interactive Fiction · Visual Novel · Story Rich

Return to Shironagasu Island
Shared: Mystery · Visual Novel · Psychological Horror

Doki Doki Literature Club Plus!
Shared: Psychological Horror · Visual Novel · Story Rich

The Wolf Among Us
Shared: Story Rich · Adventure · Multiple Endings

Danganronpa V3: Killing Harmony
Shared: Visual Novel · Mystery · Story Rich

Zero Escape: The Nonary Games
Shared: Mystery · Story Rich · Visual Novel

AI: The Somnium Files
Shared: Mystery · Visual Novel · Story Rich

Impostor Factory
Shared: Story Rich · Adventure · Emotional

Mirror 2: Project X
Shared: Interactive Fiction · Visual Novel · Multiple Endings

Billionaire Lovers
Shared: Psychological Horror · Visual Novel · Interactive Fiction

The Test
Shared: Story Rich · Psychological Horror · Multiple Endings

OMORI
Shared: Psychological Horror · Story Rich · Multiple Endings

STEINS;GATE
Shared: Story Rich · Visual Novel · Multiple Endings

Heavy Rain
Shared: Story Rich · Multiple Endings · Interactive Fiction

Love Is All Around
Shared: Visual Novel · Interactive Fiction · Multiple Endings

Phoenix Wright: Ace Attorney Trilogy
Shared: Mystery · Story Rich · Visual Novel