Verified notes / 01

What is confirmed

Mortal Shell II is a standalone action-RPG sequel developed by Cold Symmetry and published by Playstack. Steam lists its PC release date as August 20, 2026, with Windows support in the current app metadata. [Sources: home-steam, home-official]

The official site describes an interconnected open world, combat without a stamina restriction, warrior possession, sidearms, and upgrade choices. These are product descriptions, not claims that one route or loadout is optimal. [Source: home-official]

Player guidance / 02

Choose the guide that matches your problem

Suggested reading order: open the beginner guide for first-session orientation, use the progression and map pages when your next destination is unclear, then move to the combat, equipment, difficulty, or completion pages for a specific decision. This ordering is editorial guidance designed to keep route advice separate from build and checklist advice.

The Shell-location, Shell-ranking, and boss-roster topics are intentionally absent from the published directory until their source conflicts receive a live-build review. No disputed list or ranking has been filled in from inference.

Verified notes / 03

Freshness and platform boundary

Information on this site was checked on August 24, 2026. Steam currently flags Windows support and does not flag macOS or Linux support; platform metadata can change, so verify the store listing before buying or planning a PC setup. [Source: home-steam]

Evidence desk

Sources checked for this page

Official notes lead. Community reports are kept visibly separate and never promoted into confirmed facts.