The Groupees Bundle of the Damned starts soon according to their page. It’s pay what you want with a $1 minimum.
Three of the games activate on Steam.
Pay a minimum of $1 and you’ll get:
Rijn the Specpyre in… Manor of the Damned! – Desura and DRM-free
Cryostasis – Steam
Pay a minimum of $4 and you’ll get the above games plus:
Anna – Steam
Blindside – Desura and DRM-Free
Post Mortem – Steam