Games like Scarlet's Haunted Hotel
Games like Scarlet's Haunted Hotel include Sally Face - Episode One, Kingdom Rush - Tower Defense, The Room, Kingdom Rush Origins - Tower Defense, and That's not my Neighbor. We matched them by the tags players give Scarlet's Haunted Hotel on Steam (Adventure, Casual, Strategy, Action-Adventure, and Point & Click): closest matches first, and among equally close ones the better-known games.

Sally Face - Episode One
Shared: Adventure · Story Rich · Point & Click

Kingdom Rush - Tower Defense
Shared: Strategy · Casual · 2D

The Room
Shared: Adventure · Point & Click · Mystery

Kingdom Rush Origins - Tower Defense
Shared: Strategy · Casual · 2D

That's not my Neighbor
Shared: Adventure · Casual · Point & Click

12 Labours of Hercules
Shared: Casual · Strategy · Adventure

Little Nightmares II
Shared: Adventure · Horror · Dark

Storyteller
Shared: Adventure · Point & Click · 2D

The Room 4: Old Sins
Shared: Adventure · Point & Click · Mystery

12 Labours of Hercules II: The Cretan Bull
Shared: Casual · Strategy · Adventure

Bloons TD 6
Shared: Strategy · Casual · Cartoony

Fran Bow
Shared: Point & Click · Adventure · Story Rich

The Room Two
Shared: Point & Click · Adventure · Mystery

There Is No Game: Wrong Dimension
Shared: Adventure · Point & Click · Casual

The Room Three
Shared: Adventure · Point & Click · Mystery

Rusty Lake Paradise
Shared: Adventure · Point & Click · 2D

Bendy and the Ink Machine
Shared: Cartoony · Horror · Strategy

Servant of the Lake
Shared: Adventure · Point & Click · Mystery

Plants vs. Zombies GOTY Edition
Shared: Strategy · Casual · 2D

Bendy and the Dark Revival
Shared: Adventure · Horror · Cartoony

The Rewinder
Shared: Adventure · Mystery · 2D

DISTRAINT: Deluxe Edition
Shared: Adventure · 2D · Horror

Cube Escape Collection
Shared: Point & Click · Mystery · Adventure

Enigmatis: The Ghosts of Maple Creek
Shared: Adventure · Casual · Point & Click