Games like Terminal 81R
Games like Terminal 81R include A Plague Tale: Requiem, Internet Cafe Simulator 2, Five Nights at Freddy's: Secret of the Mimic, Rise of the Tomb Raider™, and PEAK. We matched them by the tags players give Terminal 81R on Steam (Action, Adventure, Simulation, Action-Adventure, and Choose Your Own Adventure): closest matches first, and among equally close ones the better-known games.

A Plague Tale: Requiem
Shared: Action · Adventure · Action-Adventure

Internet Cafe Simulator 2
Shared: Simulation · Exploration · 3D

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

Rise of the Tomb Raider™
Shared: Action · Adventure · Action-Adventure

PEAK
Shared: Adventure · Exploration · First-Person

Crimson Desert Enhanced
Shared: Action · Adventure · Exploration

Kena: Bridge of Spirits
Shared: Action · Adventure · Action-Adventure

Tomb Raider Game of the Year
Shared: Action · Adventure · Action-Adventure

The Forest
Shared: Adventure · Action · Exploration

Tomb Raider I-III Remastered Starring Lara Croft
Shared: Action · Action-Adventure · Adventure

鬼谷八荒 Tale of Immortal
Shared: Simulation · Action · Choose Your Own Adventure

The Long Dark
Shared: Exploration · Adventure · Simulation

SILENT HILL: Townfall
Shared: Adventure · Action · Action-Adventure

Steep™
Shared: Action · Simulation · Exploration

Far Cry® 5
Shared: Action-Adventure · Exploration · Action

God of War Ragnarök
Shared: Action · Adventure · Action-Adventure

Far Cry® 6
Shared: Action · Action-Adventure · Adventure

S.T.A.L.K.E.R.: Shadow of Chornobyl - Enhanced Edition
Shared: Action · Adventure · Exploration

Deliver Us The Moon
Shared: Adventure · Action · Indie

Hand Simulator: Survival
Shared: Adventure · Simulation · Action

Slime Rancher
Shared: Adventure · Exploration · Simulation

Contraband Police
Shared: Simulation · Action · First-Person

Indiana Jones and the Great Circle
Shared: Action-Adventure · Adventure · First-Person

Ori and the Will of the Wisps
Shared: Action · Adventure · Exploration