Games like Whisper
Games like Whisper include Poppy Playtime, Resident Evil Requiem, Totally Accurate Battle Simulator, The Forest, and Bendy and the Dark Revival. We matched them by the tags players give Whisper on Steam (Action, Adventure, Simulation, Strategy, and Action-Adventure): closest matches first, and among equally close ones the better-known games.

Poppy Playtime
Shared: First-Person · Horror · Adventure

Resident Evil Requiem
Shared: Action · First-Person · Action-Adventure

Totally Accurate Battle Simulator
Shared: Simulation · Strategy · Adventure

The Forest
Shared: Adventure · Action · Horror

Bendy and the Dark Revival
Shared: Action · Adventure · First-Person

[Chillas Art] Stigmatized Property
Shared: Adventure · Action · Simulation

Escape the Backrooms
Shared: Adventure · Psychological Horror · Horror

[Chillas Art] The Convenience Store
Shared: Adventure · Simulation · Action

Outlast
Shared: First-Person · Horror · Psychological Horror

Contraband Police
Shared: Simulation · Action · First-Person

Ready or Not
Shared: Realistic · Action · First-Person

Arma 3
Shared: Action · Simulation · First-Person

Atomic Heart
Shared: Adventure · Action · Action-Adventure

The Beast Inside
Shared: Adventure · Action · First-Person

Hello Neighbor 2
Shared: Adventure · Action-Adventure · First-Person

Buckshot Roulette
Shared: Strategy · First-Person · Horror

Mount & Blade II: Bannerlord
Shared: Strategy · Action · Simulation

SILENT HILL: Townfall
Shared: Adventure · Action · First-Person

Darkwood
Shared: Adventure · Action · Psychological Horror

Emily Wants To Play
Shared: Action · Strategy · Adventure

Five Nights at Freddy's: Security Breach
Shared: First-Person · Adventure · Action

Five Nights at Freddy's: Secret of the Mimic
Shared: Adventure · Action · First-Person

Pacify
Shared: Horror · Psychological Horror · First-Person

House Flipper
Shared: Simulation · Action · Adventure