'Overwatch' newcomer Sigma has abilities that defy gravity - Engadget
- 'Overwatch' newcomer Sigma has abilities that defy gravity Engadget
- Developer Update | Introducing Sigma | Overwatch PlayOverwatch
- Sigma goes live on Overwatch test servers today — here’s the new tank’s kit Polygon
- Overwatch July 23 PTR Patch Notes: Sigma, Role Queue, More Dot Esports
- New Overwatch hero Sigma is a gravity-wielding tank PC Gamer
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