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The Humble Weekly Bundle is the Roguelikes 2 bundle.
Pay what you want ($1 minimum for Steam keys) for:
Vertical Drop Heroes HD (Steam, DRM Free)
A Wizard’s Lizard (Steam, DRM Free)
The Nightmare Cooperative (Steam)
Beat the average (currently $4.49) for above plus:
Road Not Taken (Steam)
Delver (Steam, DRM Free)
Pay $8 minimum for above plus:
Heavy Bullets (Steam, DRM Free)