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The Humble Store has some new deals up as of 1/28/14.
Delve Deeper $1.24 (Steam + DRM Free)
Retro/Grade $2.49 (Steam + DRM Free)
Retro City Rampage $5 (Steam + DRM Free)
Steam Marines $5 (Steam + DRM Free)
FOTONICA $ (DRM Free)
Crea $10 (DRM Free)