This is the fourth season for The Outlast Trials, released on July 15, 2025. It is available on PlayStation 5, PlayStation 4, PC (Microsoft Windows), Xbox Series X|S, and Xbox One. As an adventure and indie title, it continues the episodic structure of the parent game, focusing on narrative progression and introducing new elements to the established experience. This season is designed to build upon the existing storyline, offering players a fresh chapter within the game's universe.

What is Project Diarchy?

Project Diarchy represents the latest seasonal content update for The Outlast Trials. This installment is characterized by the introduction of a new Prime Asset, a formidable antagonist designed to challenge players. The narrative unfolds within a newly featured map, the Shopping Mall, providing a fresh environment for the trials to take place.

New Environments and Threats

The core of Project Diarchy's appeal lies in its new additions. The Shopping Mall map offers a distinct setting, likely featuring unique layouts and environmental hazards that will test players' survival instincts. The inclusion of a new Prime Asset signifies a significant narrative and gameplay development, presenting a novel threat that players must learn to evade and overcome. This season is positioned as a continuation of the ongoing narrative, not a standalone starting point.

Gameplay and Progression

As a season update, Project Diarchy builds upon the established core gameplay mechanics of The Outlast Trials. Players will engage in stealth, evasion, and resource management as they navigate the dangerous environments and confront the trials' challenges. The narrative progression is a key component, with this season expected to advance the overarching story and introduce new lore elements. The update also mentions "Reborn 2.0," suggesting potential refinements or additions to existing systems or mechanics, though specific details are not yet available.

Content and Availability

Project Diarchy is a seasonal update and does not include separate DLCs, expansions, or remakes. It is part of the ongoing content for The Outlast Trials, designed to extend the game's lifespan and provide new experiences for its player base. The release date of July 15, 2025, places it as a mid-chapter installment in the game's episodic content rollout.

What can players expect from this season?

Players can anticipate a fresh narrative arc driven by the new Prime Asset and the exploration of the Shopping Mall environment. The "Reborn 2.0" element hints at potential enhancements to the overall gameplay experience, building on the foundation of The Outlast Trials. This season is intended to offer a continuation of the established gameplay loop, emphasizing survival horror and narrative immersion.