Games like Hello Neighbor 2
Games like Hello Neighbor 2 include Poppy Playtime, Little Nightmares II, Outlast, Little Nightmares, and Amnesia: Rebirth. We matched them by the tags players give Hello Neighbor 2 on Steam (Adventure, Puzzle, Horror, First-Person, and Action-Adventure): closest matches first, and among equally close ones the better-known games.

Poppy Playtime
Shared: Horror · Puzzle · Singleplayer

Little Nightmares II
Shared: Adventure · Horror · Puzzle

Outlast
Shared: Horror · First-Person · Atmospheric

Little Nightmares
Shared: Adventure · Horror · Puzzle

Amnesia: Rebirth
Shared: Puzzle · First-Person · Action-Adventure

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

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

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

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

Amnesia: The Dark Descent
Shared: Horror · Puzzle · First-Person

SOMA
Shared: Horror · Atmospheric · Psychological Horror

Penumbra Overture
Shared: Adventure · Horror · First-Person

Outlast 2
Shared: Horror · First-Person · Singleplayer

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

Penumbra: Black Plague Gold Edition
Shared: Adventure · Horror · First-Person

Rise of the Tomb Raider™
Shared: Adventure · Singleplayer · Action-Adventure

Garten of Banban
Shared: Horror · First-Person · Puzzle

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

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

Thief
Shared: Adventure · First-Person · Singleplayer

Portal 2
Shared: Puzzle · Singleplayer · First-Person

MiSide
Shared: Horror · First-Person · Singleplayer

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

Atomic Heart
Shared: Adventure · Singleplayer · Horror