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Indie Royale has the Sigma Bundle on sale at their site.
Includes:
- Gravi for: Steam – Win Desura – Win, Mac, Linux DRM Free – Win, Mac, Linux
- Skyward Collapse for: Steam – Win, Mac DRM free – Win
- 3089 for: Desura – Win, Mac, Linux DRM Free – Win, Mac, Linux
- Survive for: Desura – Win. DRM Free – Win. Steam key will be made available at a later date.
- Freedom Fall for: Desura – Win, Mac. Desura – DRM Free – Win, Mac. Steam keys will be made available at Steam launch.
- Starpoint Gemini for: Steam – Win. Desura – Win
- Starvoid for: Steam – Win. Desura – Win
- Mystery Bonus
Current minimum price is $6.16.