The Outer Worlds 2 gets its first expansion on Dec. 2
Side Effects Guaranteed costs $14.99, raises the level cap to 36 and adds a new region. A second part follows in spring 2027.
The Outer Worlds 2 will get its first story expansion on Dec. 2. It is called Side Effects Guaranteed, and Obsidian Entertainment and Xbox set the date on Tuesday in Xbox's official announcement, along with a trailer.
It costs $14.99. Anyone who bought the game's Premium Edition or Premium Edition Upgrade already owns it.
The story begins when the player's crew comes across a drifting ship with its passengers frozen in suspended animation. The captain left a recorded message saying they were contaminated during a heist and will suffer "liquefaction" unless someone finds a cure. The trail leads to Gordon Hazen, an agent of the criminal group Sub Rosa, and then to Elysium Valley, a region of the planet Eden that players have not visited.
The level cap rises from 30 to 36. The expansion adds 15 perks and four flaws, such as Lethally Tolerant and Must Have Been the Wind, plus new weapons, armor and outfits for companions. Sub Rosa gets its own radio station with 20 new songs, and the New Game menu offers an alternate starting point that begins right at the start of the expansion.
The new enemies are ferocious canids and primal sprats, oversize versions of the sprats.
The announcement gives no platforms or release time. The base game came out a little over a year ago, on Oct. 29, 2025, on PS5, PC and Xbox Series X|S.
The second part of the expansion arrives in spring 2027.
