Here is an overview of the game, via its official website:

About

Ad Infinitum is a first-person survival horror game with a focus on atmosphere and story. Experience the great war from the perspective of a German soldier. In this surreal war-torn nightmare, you must overcome pain, despair and corruption while fighting for your life and sanity. Can you escape the horrors of war?

Key Features

• World War I-themed horror game.
• State-of-the-art visuals and audio presentation.
• Challenging puzzles embedded into the historical setting.
• Historically accurate equipment and environments.
• Stealth interaction with several horrific creatures.
• Thrilling storyline about the tragedy of a family.
• Dynamically changing game world based on player decisions.

Watch a new gameplay trailer below.

Gameplay Trailer