Games like Tuya
Games like Tuya include Firewatch, Five Nights at Freddy's: Security Breach, What Remains of Edith Finch, Escape the Backrooms, and Layers of Fear (2016). We matched them by the tags players give Tuya on Steam (Adventure, Indie, Horror, Walking Simulator, and First-Person): closest matches first, and among equally close ones the better-known games.

Firewatch
Shared: Adventure · Walking Simulator · First-Person

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

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

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

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

The Exit 8
Shared: Horror · Walking Simulator · Exploration

Scanner Sombre
Shared: Horror · Walking Simulator · Adventure

Five Nights at Freddy's: Secret of the Mimic
Shared: Adventure · Horror · First-Person

The Stanley Parable
Shared: Indie · Walking Simulator · First-Person

Kona
Shared: Adventure · First-Person · Singleplayer

Valley
Shared: Adventure · First-Person · Indie

The Beast Inside
Shared: Adventure · Horror · First-Person

PEAK
Shared: Adventure · First-Person · Exploration

The Forest
Shared: Horror · Adventure · First-Person

Among the Sleep - Enhanced Edition
Shared: Indie · Horror · Adventure

Amnesia: A Machine For Pigs
Shared: Horror · Walking Simulator · First-Person

Poppy Playtime
Shared: Horror · First-Person · Singleplayer

Blair Witch
Shared: Adventure · Horror · Indie

NaissanceE
Shared: Indie · Adventure · Exploration

Subnautica
Shared: Horror · Adventure · Exploration

VERGE:Lost chapter
Shared: Indie · Horror · Adventure

Slime Rancher
Shared: Adventure · Exploration · First-Person

Outlast
Shared: Horror · First-Person · Adventure

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