Edition - Infra: Complete

: Progress is gated by complex mechanical and electrical puzzles grounded in realistic engineering principles.

: You must document hazards—such as crumbling concrete, leaking pipes, and electrical faults—by taking photographs. Your thoroughness in reporting these issues directly influences the game's ending.

The represents the full realization of the game, which was originally released in three episodic acts between January 2016 and September 2017. Core Gameplay Mechanics

is a first-person, gun-free puzzle adventure game developed by the Finnish indie studio Loiste Interactive . It places you in the role of Markku "Mark" Siltanen, a structural analyst tasked with a seemingly mundane mission: surveying routine damage in the fictional, crumbling city of Stalburg.

: You must manage limited battery life for your flashlight and camera by searching the environment for spares.

Unlike traditional first-person games, your primary tools are your camera and your wits.