Games like AHH!!! MazeZing
Games like AHH!!! MazeZing include Buckshot Roulette, Outlast, Poppy Playtime, Garten of Banban, and MiSide. We matched them by the tags players give AHH!!! MazeZing on Steam (Casual, 3D, First-Person, Horror, and Atmospheric): closest matches first, and among equally close ones the better-known games.

Buckshot Roulette
Shared: Horror · First-Person · Dark

Outlast
Shared: First-Person · Horror · Atmospheric

Poppy Playtime
Shared: Horror · First-Person · Singleplayer

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

MiSide
Shared: Horror · First-Person · 3D

No, I'm not a Human
Shared: Horror · Indie · Atmospheric

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

Choo-Choo Charles
Shared: Horror · First-Person · 3D

Outlast 2
Shared: Horror · First-Person · Dark

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

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

Little Nightmares
Shared: Horror · Atmospheric · Dark

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

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

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

SOMA
Shared: Horror · Atmospheric · Dark

The Room
Shared: Atmospheric · Singleplayer · Horror

Five Nights at Freddy's 2
Shared: Horror · First-Person · Singleplayer

FIVE NIGHTS AT FREDDY'S: HELP WANTED
Shared: Horror · First-Person · Singleplayer

Slender: The Arrival
Shared: Horror · First-Person · Indie

Liars Bar
Shared: Casual · 3D · Indie

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

Ultimate Custom Night
Shared: Horror · First-Person · Singleplayer

Zoochosis
Shared: 3D · Horror · Dark