Games like 3Tower
Games like 3Tower include Firewatch, A Plague Tale: Requiem, What Remains of Edith Finch, Five Nights at Freddy's: Secret of the Mimic, and PEAK. We matched them by the tags players give 3Tower on Steam (Adventure, Action-Adventure, Walking Simulator, Exploration, and Immersive Sim): closest matches first, and among equally close ones the better-known games.
Firewatch
Shared: Adventure · Walking Simulator · Atmospheric
A Plague Tale: Requiem
Shared: Adventure · Action-Adventure · Exploration
What Remains of Edith Finch
Shared: Walking Simulator · Adventure · Exploration
Five Nights at Freddy's: Secret of the Mimic
Shared: Adventure · First-Person · Exploration
PEAK
Shared: Adventure · Exploration · First-Person
The Exit 8
Shared: Exploration · Walking Simulator · Immersive Sim
Far Cry® 5
Shared: Action-Adventure · Exploration · First-Person
POOLS
Shared: Walking Simulator · Exploration · Realistic
The Cabin Factory
Shared: Walking Simulator · Adventure · Immersive Sim
Outlast
Shared: First-Person · Atmospheric · Adventure
Five Nights at Freddy's: Security Breach
Shared: First-Person · Exploration · Adventure
Still Wakes the Deep
Shared: Walking Simulator · First-Person · Adventure
Indiana Jones and the Great Circle
Shared: Action-Adventure · Adventure · First-Person
Amnesia: Rebirth
Shared: Action-Adventure · Adventure · First-Person
SOMA
Shared: Exploration · Atmospheric · Dark
The Forest
Shared: Adventure · Exploration · First-Person
Scanner Sombre
Shared: Walking Simulator · Exploration · Adventure
Project Silverfish
Shared: Exploration · Immersive Sim · 3D
Platform 8
Shared: Adventure · Walking Simulator · Exploration
Obey the Voice™
Shared: Adventure · Exploration · Walking Simulator
Amenti
Shared: Adventure · Exploration · Walking Simulator
Welcome to Kowloon
Shared: Adventure · Walking Simulator · Atmospheric
SILENT HILL: Townfall
Shared: Adventure · Action-Adventure · Exploration
Rise of the Tomb Raider™
Shared: Adventure · Action-Adventure · Exploration