When was System Siege released?

System Siege was released on June 12, 2018.

What platforms is System Siege available on?

System Siege is available on PC (Microsoft Windows).

System Siege

About

It's all out war and it's either us or them. Humans or Androids. Battle as different commanders in System Siege, a tactical turn-based strategy to defeat the androids and win not only the planet back, but the entire solar system.

Where to buy

Steam

View store

Prices for US · Updated 9/1/2026

News

CS2 vs Rainbow Six Siege X: Does Valve or Ubisoft do tactical shooters better? - escapistmagazine.com

escapistmagazine.com · 2/23/2026

Rainbow Six Siege Unveils Its Plans For Year Nine - Bleeding Cool News

Bleeding Cool News · 2/25/2024

Videos

Why Siege X is a Complete Disaster *JYNXZI REACTS*

Jynxzi Live

Copper to Champion in 1 Video… (Rainbow Six Siege)

Jynxzi

Rainbow Six Siege: Ranked 3.0 Overhaul Explainer

Rainbow 6

THE BEST CLUTCHES & SETTINGS ON Operation System Override Ranked 3.0 Rainbow Six Siege PS5/XBOX/PC

Booelol

4 Movement Secrets Pros Don't Tell You in Rainbow Six Siege

ohbee

Rainbow Six Siege - Operation System Override Launch Trailer | PS5 & PS4 Games

PlayStation

Rainbow Six Siege Multiplayer PC - First Hour First Games

Alzu Gaming

R6 Siege rengoku gameplay system override 2026-08-12

SevanUP

Screenshots

Discussion

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