Games like Hello Neighbor 2 Alpha 1.5
Games like Hello Neighbor 2 Alpha 1.5 include Outlast, Dead by Daylight, Inside the Backrooms, Little Nightmares, and Little Nightmares II. We matched them by the tags players give Hello Neighbor 2 Alpha 1.5 on Steam (Adventure, Puzzle, Stealth, Multiplayer, and Survival): closest matches first, and among equally close ones the better-known games.

Outlast
Shared: Survival Horror · Horror · Survival

Dead by Daylight
Shared: Multiplayer · Survival Horror · Horror

Inside the Backrooms
Shared: Puzzle · Multiplayer · Adventure

Little Nightmares
Shared: Adventure · Puzzle · Horror

Little Nightmares II
Shared: Adventure · Puzzle · Horror

Sons Of The Forest
Shared: Survival · Multiplayer · Survival Horror

Poppy Playtime
Shared: Puzzle · Horror · Survival Horror

Subnautica 2
Shared: Multiplayer · Survival · Adventure

Granny
Shared: Multiplayer · Puzzle · Survival Horror

The Outlast Trials
Shared: Multiplayer · Horror · Survival Horror

Escape the Backrooms
Shared: Multiplayer · Horror · Adventure

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

Hello Neighbor
Shared: Stealth · Horror · Survival Horror

Don't Starve Together
Shared: Survival · Multiplayer · Adventure

The Forest
Shared: Survival · Adventure · Horror

Secret Neighbor: Hello Neighbor Multiplayer
Shared: Multiplayer · Horror · Adventure

Dying Light
Shared: Survival Horror · Horror · Survival

Five Nights at Freddy's: Security Breach
Shared: Stealth · Survival Horror · Horror

R.E.P.O.
Shared: Multiplayer · Horror · Stealth

Bendy and the Ink Machine
Shared: Puzzle · Horror · Survival Horror

The Beast Inside
Shared: Adventure · Multiplayer · Horror

Backrooms: Escape Together
Shared: Multiplayer · Horror · Survival Horror

Hello Neighbor 2
Shared: Adventure · Puzzle · Horror

DEVOUR
Shared: Multiplayer · Horror · Survival Horror