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Steam PC edition
Aliens: Dark Descent
Lead a squad of marines through dangerous facilities in Aliens: Dark Descent. Manage their stress, position the squad and choose when to fight or retreat. Decisions carry consequences through the tactical campaign, so preparation matters.
From the publisher
Updates & announcements
Reviewed October 17, 2026 · Publisher news for this Steam edition.
Your content route
r457 Mod Loader
Extract the loader’s ASF folder into the game directory. Configure compatible logic mods in ASF/Config/UserEngine.ini according to each author’s instructions.
r457 logic mod loader
Documented locations
ASF/Config/UserEngine.iniASF/Content/Paks/r457ModLoader.pakASF/Content/Paks/r457ModLoader.ucasASF/Content/Paks/r457ModLoader.utoc
Locations are relative to the verified installation or documents folder; do not create guessed folders.
Back up any existing UserEngine.ini and saves. To remove the loader, remove its three matching package files and restore the backed-up configuration rather than deleting unrelated user settings.
- This is a community loader, not official mod support; check each package against the installed build.
Know your edition
Game details
Edition scope
This guide’s update and mod instructions apply to the identified Steam PC edition. Other stores, console releases and test branches can differ.
windows
Community context
Steam displays 85% positive across 107 reviews in the last 30 days at this review.
Review aggregates describe the displayed sample and can change.
Sources & review
Reviewed October 17, 2026. Exact editions and mod requirements can differ across stores and branches.
This is an informational guide. Automatic mod-folder preparation and package installation are not enabled for this game in Heimdall Link.