Games like Perilous Skies
Games like Perilous Skies include Poppy Playtime, The Room, Firewatch, Outer Wilds, and The Room Two. We matched them by the tags players give Perilous Skies on Steam (Adventure, Casual, Puzzle, First-Person, and Atmospheric): closest matches first, and among equally close ones the better-known games.

Poppy Playtime
Shared: Puzzle · Horror · First-Person

The Room
Shared: Puzzle · Adventure · Atmospheric

Firewatch
Shared: Adventure · Atmospheric · First-Person

Outer Wilds
Shared: Adventure · Mystery · Puzzle

The Room Two
Shared: Puzzle · Adventure · Atmospheric

Little Nightmares II
Shared: Adventure · Puzzle · Horror

Little Nightmares
Shared: Adventure · Atmospheric · Horror

What Remains of Edith Finch
Shared: Atmospheric · Adventure · First-Person

Outlast
Shared: First-Person · Horror · Atmospheric

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

Amnesia: The Dark Descent
Shared: Horror · Puzzle · Atmospheric

Inside the Backrooms
Shared: Puzzle · Horror · Adventure

The Room Three
Shared: Adventure · Puzzle · Mystery

Sally Face - Episode One
Shared: Adventure · Puzzle · Horror

Stray
Shared: Adventure · Atmospheric · Puzzle

Fears to Fathom - Woodbury Getaway
Shared: Adventure · Casual · First-Person

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

The Death | Thần Trùng
Shared: Puzzle · Adventure · Horror

The Room 4: Old Sins
Shared: Puzzle · Adventure · Mystery

SOMA
Shared: Horror · Atmospheric · Psychological Horror

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

The Witness
Shared: Puzzle · First-Person · Atmospheric

INFRA
Shared: Puzzle · Adventure · First-Person

Firework
Shared: Puzzle · Horror · Atmospheric