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Since ARC Raiders launched in October, players have been picking apart how matchmaking works. Some reckoned they’d cracked the algorithm; others swore PvE lobbies were a thing. Embark Studios has now stepped in with the most detailed explanation yet, and a fair few myths got busted along the way.
Fairness first, then playstyle
According to Embark’s social media breakdown, matchmaking begins by prioritising equal-sized squads. From there, the system looks at player behaviour to match people with similar playstyles, something the team says “drives enjoyment and reduces friction.”
Crucially, it’s not a binary system. You’re not dropped into a “good” or “bad” lobby. Most players sit somewhere in the middle of the PvP-to-cooperation spectrum, and your chances of matching with like-minded players increase gradually over time based on how you play.

Arc Raiders matchmaking myths, debunked
Embark went through several widely-held beliefs and knocked them down one by one. Friendly versus aggressive lobbies – It’s a spectrum, not a switch. One kill ruining your algorithm – Nope, it’s a slow, cumulative shift. PvE lobbies – They flat-out don’t exist. End-of-round feedback affecting matchmaking – It helps Embark gather impressions, but it doesn’t change your placement.
Crossplay settings, squad level, and looting knocked-out raiders also have zero impact.
A couple of meaningful updates are coming. Defending yourself will no longer be treated the same as starting a fight, keeping your aggression rating low for reactive players. Low-activity raids will also carry less weight in your overall playstyle history.

Play your way, the system will adjust accordingly.
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