The Outer Worlds 2: Side Effects Guaranteed Out on December 2nd, Adds “Hours of New Content”

The first of a two-part expansion retails for $14.99 and offers a new location, companion gear, Perks, Flaws, and much more.

Posted By | On 11th, Nov. 2026

Just when you thought the Xbox had silently cancelled it, Obsidian Entertainment’s DLC for The Outer Worlds 2 has a release date. As part one of a two-part expansion, Side Effects Guaranteed retails for $14.99 and involves investigating a derelict’s distress signal. Check it out below.

A virus has seemingly spread, causing “explosive cell death” among its victims. Rather than suffering excruciating deaths, the crew entered suspended animation. Finding a cure thus becomes your main objective, and the new Elysium Valley on Eden may offer clues. However, you’ll also need to deal with some Sub Rosa agents with their own intentions.

Along with raising the level cap to 36, the DLC adds new gear for each companion. You can also choose from more than 15 new perks and four new Flaws, including Excessive Shrinkage, which reduces the player’s size. If you’re keen on some new music, a new Sub Rosa radio station delivers 20 new tracks (and perhaps some updates on what the faction thinks of you). Overall, it should provide “hours of new content,” though how many remains to be seen.

The Outer Worlds 2: Side Effects Guaranteed launches on December 2nd for Xbox Series X/S, PS5, and PC. Check out our review of the original game here. Despite underperforming in sales, it received a 9 for its storytelling and branching choices.


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