Games like デスハネムーン Deadly Honeymoon
Games like デスハネムーン Deadly Honeymoon include Firewatch, Five Nights at Freddy's: Security Breach, Scary Game 2: The Mad Shepherd, Garten of Banban, and The Death | Thần Trùng. We matched them by the tags players give デスハネムーン Deadly Honeymoon on Steam (Casual, Walking Simulator, 3D Platformer, 3D, and First-Person): closest matches first, and among equally close ones the better-known games.

Firewatch
Shared: Walking Simulator · First-Person · Mystery

Five Nights at Freddy's: Security Breach
Shared: Horror · First-Person · 3D

Scary Game 2: The Mad Shepherd
Shared: Walking Simulator · Dark Comedy · 3D

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

The Death | Thần Trùng
Shared: Casual · Horror · Walking Simulator

Poppy Playtime
Shared: Horror · First-Person · Singleplayer

MiSide
Shared: First-Person · 3D · Horror

What Remains of Edith Finch
Shared: Walking Simulator · First-Person · Mystery

Garten of Banban 2
Shared: First-Person · Horror · 3D

The Exit 8
Shared: Walking Simulator · Horror · First-Person

September 7th
Shared: Walking Simulator · 3D Platformer · Horror

Summer of '58
Shared: Walking Simulator · Thriller · Horror

RATSHAKER™
Shared: First-Person · Horror · Dark Humor

Psalm 5:9-13
Shared: Walking Simulator · Horror · Indie

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

Gorilla Tag
Shared: First-Person · 3D · 3D Platformer

Fears to Fathom® - Scratch Creek
Shared: Casual · Horror · Walking Simulator

CARIMARA: Beneath the forlorn limbs
Shared: 3D · Walking Simulator · Mystery

Phasmophobia
Shared: Horror · First-Person · Thriller

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

Father's Day
Shared: Walking Simulator · 3D Platformer · Thriller

The Stanley Parable
Shared: Walking Simulator · First-Person · Indie

Fears to Fathom - Woodbury Getaway
Shared: Casual · First-Person · Walking Simulator

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