Games like RadioWave
Games like RadioWave include Poppy Playtime, Outlast, Resident Evil Requiem, Five Nights at Freddy's: Security Breach, and Outlast 2. We matched them by the tags players give RadioWave on Steam (Survival Horror, Adventure, First-Person, Casual, and 3D): closest matches first, and among equally close ones the better-known games.

Poppy Playtime
Shared: Survival Horror · First-Person · Singleplayer

Outlast
Shared: Survival Horror · First-Person · Adventure

Resident Evil Requiem
Shared: Survival Horror · First-Person · Singleplayer

Five Nights at Freddy's: Security Breach
Shared: Survival Horror · First-Person · Singleplayer

Outlast 2
Shared: Survival Horror · First-Person · Singleplayer

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

Granny
Shared: Survival Horror · First-Person · Adventure

Resident Evil 7 Biohazard
Shared: Survival Horror · First-Person · Singleplayer

Resident Evil Village
Shared: Survival Horror · First-Person · Singleplayer

Visage
Shared: Survival Horror · First-Person · Adventure

Bendy and the Ink Machine
Shared: First-Person · Survival Horror · Singleplayer

The Forest
Shared: Adventure · Survival Horror · First-Person

The Beast Inside
Shared: Adventure · Survival Horror · First-Person

Choo-Choo Charles
Shared: Survival Horror · First-Person · Singleplayer

Backrooms: Escape Together
Shared: Survival Horror · First-Person · Realistic

Garten of Banban
Shared: First-Person · Singleplayer · Survival Horror

Amnesia: The Dark Descent
Shared: Survival Horror · First-Person · Adventure

Escape the Backrooms
Shared: Survival Horror · First-Person · Adventure

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

From The Darkness
Shared: First-Person · Survival Horror · Dark

Garten of Banban 2
Shared: First-Person · Singleplayer · Survival Horror

Slender: The Arrival
Shared: Survival Horror · First-Person · Adventure

Inside the Backrooms
Shared: Survival Horror · Adventure · First-Person

Buckshot Roulette
Shared: First-Person · Dark · Singleplayer