🛠️ Patches

Action Game Patch Roundup — Week of September 20, 2026

By ParryStack Team · September 20, 2026

Checked October 13, 2026: every entry links to an announcement in that game's own Steam news feed.

These 6 games from our action catalog posted official patch notes on Steam in the 7 days before September 20, 2026. The bullet points are short excerpts from each announcement; use the "full notes" links for the complete changelog.

Batman: Arkham Knight

Action Adventure

Play Mayhem Collection DLC Now — Sep 18, 2026 full notes ↗

Game hub · Guide · Walkthrough

Marathon

Shooter

Marathon Update 1.1.9.1 — Sep 15, 2026 full notes ↗

GeneralFixed an issue in the Vault where holding the Sell button on selected items while Overflow was not open would sell all items in Overflow.

Marathon Development Update - Nightfall Refresh and Symbiosis — Sep 14, 2026 full notes ↗

Game hub · Guide · Walkthrough

Nioh 2

Souls-like

"Team NINJA Essential Collection" Is Now Updated — Sep 14, 2026 full notes ↗

Game hub · Guide · Walkthrough

S.T.A.L.K.E.R. 2: Heart of Chornobyl

Shooter / Survival

Stalkers! Patch 2.0.6 is ready to be downloaded. — Sep 18, 2026 full notes ↗

Fixed several other high-priority crashes

Game hub · Guide · Walkthrough

Valheim

Survival

Patch 1.0.15 — Sep 18, 2026 full notes ↗

Patch 1.0.14 — Sep 17, 2026 full notes ↗

Game hub · Guide · Walkthrough

Wo Long: Fallen Dynasty

Souls-like

"Team NINJA Essential Collection" Is Now Updated — Sep 14, 2026 full notes ↗

Game hub · Guide · Walkthrough

Each game hub lists its recent official patch notes, and earlier roundups are in the News archive.

Data source: official announcements in each game's Steam news feed (matched to the game's current Steam app id), collected by our daily tracker up to September 20, 2026. Excerpts are quoted, not rewritten. Found an error? Email contact@parrystack.com · Editorial standards