Groupees Brainbuster Bundle 2 just launched, collecting Void, Puzzle Cube and Dwarflings for $1, plus 7 more puzzle games in the full bundle ($3.49)
TIER 1: Paying $1 or more will get you the first 3 games:
TIER 2: Paying $3.49 or more will get you 7 more games:
7 out of 10 titles featured in this PC indie game bundle come with Steam Trading Cards. All 10 titles in this indie game collection activate on Steam via separate Steam keys. All games are playable on Windows, 4 of them are also playable on Mac or Linux.