Operation Guest is an action-adventure game set in Russia in the late 1990s. Explore an open world, complete tasks from local residents, battle enemies, find secrets and uncover…

Blurb by the publisher, via Steam — shortened.

Genre

Action

Type

offline

Developer

4TK

Publisher

4TK

Released

Dec 5, 2025

Platforms

Windows

Anti-cheat

-

DRM

None detected

Status

active