Games like 银魂:Silver Soul
Games like 银魂:Silver Soul include Poppy Playtime, Firewatch, Outer Wilds, MiSide, and Sally Face - Episode One. We matched them by the tags players give 银魂:Silver Soul on Steam (Casual, Adventure, Horror, Mystery, and Strategy): closest matches first, and among equally close ones the better-known games.

Poppy Playtime
Shared: Horror · First-Person · Puzzle

Firewatch
Shared: Adventure · Mystery · First-Person

Outer Wilds
Shared: Mystery · Adventure · Story Rich

MiSide
Shared: Horror · Psychological Horror · First-Person

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

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

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

The Room
Shared: Mystery · Adventure · Puzzle

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

Little Nightmares II
Shared: Adventure · Horror · Puzzle

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

Inside the Backrooms
Shared: Horror · Adventure · Puzzle

The Room Two
Shared: Mystery · Horror · Adventure

The Exit 8
Shared: Horror · Puzzle · First-Person

Firework
Shared: Horror · Mystery · Puzzle

Little Nightmares
Shared: Horror · Adventure · Puzzle

Escape the Backrooms
Shared: Horror · Adventure · Psychological Horror

Fears to Fathom - Woodbury Getaway
Shared: Adventure · Horror · Casual

Amanda the Adventurer
Shared: Horror · First-Person · Mystery

Blue Prince
Shared: Mystery · Puzzle · Adventure

Superliminal
Shared: First-Person · Puzzle · Thriller

Layers of Fear (2016)
Shared: Horror · Adventure · Psychological Horror

The Room Three
Shared: Adventure · Mystery · Puzzle

Fears to Fathom® - Scratch Creek
Shared: Horror · Adventure · Casual

