Games like REVEIL
Games like REVEIL include Layers of Fear (2016), What Remains of Edith Finch, Firewatch, Poppy Playtime, and Little Nightmares II. We matched them by the tags players give REVEIL on Steam (Adventure, Indie, Horror, Walking Simulator, and First-Person): closest matches first, and among equally close ones the better-known games.

Layers of Fear (2016)
Shared: Horror · Walking Simulator · Psychological Horror

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

Firewatch
Shared: Adventure · Walking Simulator · First-Person

Poppy Playtime
Shared: Horror · Singleplayer · First-Person

Little Nightmares II
Shared: Adventure · Horror · Singleplayer

SOMA
Shared: Horror · Psychological Horror · First-Person

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

Little Nightmares
Shared: Adventure · Horror · Indie

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

Outer Wilds
Shared: Adventure · Exploration · Indie

Outlast
Shared: Horror · First-Person · Psychological Horror

Visage
Shared: Horror · Psychological Horror · Adventure

Mouthwashing
Shared: Horror · Psychological Horror · Indie

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

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

Inside the Backrooms
Shared: Horror · Adventure · Psychological Horror

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

Still Wakes the Deep
Shared: Horror · Psychological Horror · First-Person

Blair Witch
Shared: Adventure · Horror · Indie

INFRA
Shared: Adventure · Walking Simulator · First-Person

Fran Bow
Shared: Adventure · Psychological Horror · Horror

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

ROUTINE
Shared: Adventure · Psychological Horror · Singleplayer

Layers of Fear 2 (2019)
Shared: Indie · Horror · Psychological Horror