The company noted in its earnings report that Assassin's Creed Shadows has benefited from continuous post-launch updates and the DLC.
Among the new features part of the update are new parkour options, new difficulty modes with their own rewards, and more story content.
The story in the Valley of Memory update will revolve around Basim hearing rumours about his father surviving in the AlUla valley.
Citizen Sleeper 2, Orcs Must Die! Deathtrap, MechWarrior 5: Clans, and more are also coming to Game Pass Standard on August 6th.
Ubisoft seems to be suggesting that several more of its titles will be headed to Nintendo's upcoming next-gen console at some point.
The line-up allegedly includes Assassin's Creed Mirage, Assassin's Creed Shadows, Rainbow Six Siege, The Division 1 and 2, and more.
Launched last year, the action-adventure stealth title is available at 50 percent off on Steam and supports Achievements.
The 2023 stealth action-adventure title is the latest to arrive on the storefront after reportedly crossing five million players.
However, the sci-fi open world game's launch sales are 52 percent higher than Massive Entertainment's previous release, Avatar: Frontiers of Pandora.
Assassin's Creed Mirage reportedly sold less than 3,000 units on the platform, while Resident Evil 4 has sold under 7,000 units.
The open world action-adventure title's iOS port was originally set to arrive sometime in early 2024, but has been hit with a slight delay.
"We have ideas on how we could extend the story of Basim," says creative director Stephane Boudon.
Available for all platforms, the trial allows for up to two hours of playtime, with progress carrying over to the game.
Full Synchronization Challenge will delete the save upon failing but offers new completion rewards depending on the difficulty.
Upon its release, Ubisoft stated that Assassin's Creed Mirage was seeing comparable launch numbers to the likes of Assassin's Creed Origins and Odyssey.
The update also brings new rewards exclusive to New Game Plus, parkour improvements for side and back-ejects, and more.
Permadeath Mode, which was previously set to be added to the game along with New Game Plus, has been delayed.
In the wake of the release of its first Assassin's Creed game, Ubisoft Bordeaux has recruited a lead writer to continue working on the franchise.
An ad for Assassin's Creed Mirage reportedly appeared for a player who opened the map in Assassin's Creed Odyssey on Xbox.
The new modes will be added as part of a free update, though a specific release date hasn't yet been confirmed.