when did rainbow six siege come out

Tom Clancy’s Rainbow Six Siege was released worldwide on December 1, 2015, for PC, PlayStation 4, and Xbox One.

Quick Scoop: Release Details

• Main release date: December 1, 2015.

• Platforms at launch: PC (Steam, Epic Games), PlayStation 4, Xbox One.

• Next‑gen update: A newer version for PlayStation 5 and Xbox Series X|S launched on December 1, 2020.

Context in 2026

The game has been continuously updated since launch and is now over 10 years old, with major overhauls like the Siege X update celebrating its anniversary. It remains an active live-service tactical shooter with ongoing balance changes, new operators, and seasonal content.

If you’re seeing people talk about “Siege X” or 10th‑anniversary content in forums and trending discussions, they’re referring to these big 2025+ updates layered on top of the original 2015 release.

TL;DR: If you’re wondering “when did Rainbow Six Siege come out” — the original game dropped on December 1, 2015, with next‑gen versions following on December 1, 2020.

Information gathered from public forums or data available on the internet and portrayed here.