How Arc Raiders Tracks Every Bullet in Real Time

Embark Studios, the developer behind Arc Raiders and The Finals, has detailed the real-time telemetry pipeline that captures every in-game action—down to each bullet fired—within two seconds. Speaking at a Nexon developer conference, data engineer Mattias Andersson explained that the system ingests over 1,000 different event types, peaking at more than 100 billion events per day (roughly 30 TB of data) during Arc Raiders’ highest concurrent player counts. This granular data flow feeds into BigQuery with sub-two-second latency, enabling near-instant queries on anything from hit detection to player positioning.

The Scale of Real-Time Tracking

The telemetry pipeline logged its heaviest load between November 2025 and February 2026, when Arc Raiders attracted over 400,000 concurrent Steam players. While current player numbers are lower, the game remains near Steam’s top 50 most-played titles. “We track every bullet in these games,” Andersson said. “We track where the players are. We track whenever a bullet hits something.” The system’s efficiency allows developers to run queries almost instantly—”two seconds later, I can run a query in BigQuery and find out if you hit or not.”

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