Telemetry in Gaming: What Data Games Send Back
Telemetry means measurements collected on your machine and sent automatically to the people running the game. The word comes from engineering, where it describes readings transmitted from a remote point. In games the readings are frame rate, crashes, ping, where players die, which items are used and how far through a level people get.
Telemetry is not a single feature, and it is not the same as the personal data in your account. The examples below show three different uses: a platform survey, a level-design tool and a connection overlay.
Example 1: the Steam Hardware and Software Survey
Valve runs a monthly survey of the hardware and software Steam users have. Taking part is optional and the answers are anonymous. The page for October 2026 reports Windows 11 64-bit as the most common operating system at 72.51% (Windows overall 93.70%) and the GeForce RTX 3060 as the most common listed graphics card at 3.62%. Developers use numbers like these to decide which graphics settings and minimum specs to support.
Example 2: Halo 3 heatmaps
In November 2007 Bungie published heatmaps of Halo 3 multiplayer built from the kills and deaths of online matches. Overhead views of each map showed where fights happened, and the maps were available on players' career stats pages on the game's site. Developers also used them while building maps, to see where players moved and died. The same idea drives modern analytics: a death map shows spots that are too exposed, a path map shows which routes are never used, and a drop-off map shows where players quit.
Example 3: a telemetry panel inside the game
Counter-Strike 2 removed the old net_graph overlay. Its replacement is a Telemetry section in Settings, under Game, that shows ping, packet loss and frame time. Here the word means data shown to you rather than data sent away, and it is the first place to look when a match feels wrong. For connection terms see the online play glossary.
Security uses
Anti-cheat is also telemetry. Call of Duty's RICOCHET anti-cheat runs on both the client and the server, and Activision's Security and Enforcement Policy describes the penalties that follow from what it detects. That is why a game can react to software you are running, and why a publisher's policy page is the right place to learn what it collects for security. The shadowban page summarises it.
What you can do
- Read the privacy policy and the telemetry or analytics options in the settings menu; some games let you switch parts off.
- Treat the Steam survey as optional: you can decline when Steam asks.
- Do not install third-party "optimisers" that claim to block telemetry. They can trip anti-cheat.
Related terms
- Online play, lag and connection glossary: ping and packet loss.
- PC performance glossary: frame rate and frame time.
- Server region: where your connection goes.
FAQ
What is telemetry in games?
It is data that a game or platform collects automatically, such as performance numbers, crash reports and in-game events, and sends to its developers.
Is the Steam survey mandatory?
No. Valve describes it as optional and anonymous.
Is telemetry the same as spyware?
No. Telemetry is documented data collection, usually described in a privacy policy. Spyware hides what it takes.
Why do developers want it?
They use it to fix crashes, tune balance and design maps, as Bungie did with Halo 3 heatmaps.
