IndieGameStand has 'Pid' for Steam and gog with a variety of options for the frugal.
Indie platformer powerhouse 'Pid' is part of the current IndieGameStand deal. Normally, $9.99, the game can be had for "pay what you want," as low as less than dollar. Purchasers have their choice of the either or a Steam key, gog.com key, or a straight up download for either the PC or Mac platforms.
Paying more than the minimum grants the buyer one of several tiers of rewards. Paying more than the current $1.33 average nets 'Pid,' bonus concept art, PDF manual, and thank you letter, and the 'Pid' developer Might and Delight's other game, 'The Trouble With Robots.' 'The Trouble with Robots' is currently a candidate for Steam Geenlight .
Paying $10 or more and the buyer will have access to both 'Pid,' 'The Trouble with Robots,' and the developers new mystery title, as well as bonus content for each title.