Looks like Humble are doing weekly sales.
https://www.humblebundle.com/weekly
Humble Weekly Sale: Bastion
One captivating game to rock your week. The Humble Weekly Sale features a new deal every Tuesday. Be sure to jump on this amazing offer before its gone! This week, pay what you want to get Bastion!
Pay what you want and get cool stuff. Name your price and get epic content! For any amount you can get Bastion, DRM-free. Pay $1 or more and also get a Steam key. Pay over the average and get awesome digital bonuses including the original soundtrack, ringtones, sheet music, and a never-before-released digital art pack! And if you pay $25 or more, get some awesome physical merchandise including a Bastion bandana, original soundtrack CD, and a postcard for Supergiants newly-announced game, Transistor!
https://www.humblebundle.com/weekly
Humble Weekly Sale: Bastion
One captivating game to rock your week. The Humble Weekly Sale features a new deal every Tuesday. Be sure to jump on this amazing offer before its gone! This week, pay what you want to get Bastion!
Pay what you want and get cool stuff. Name your price and get epic content! For any amount you can get Bastion, DRM-free. Pay $1 or more and also get a Steam key. Pay over the average and get awesome digital bonuses including the original soundtrack, ringtones, sheet music, and a never-before-released digital art pack! And if you pay $25 or more, get some awesome physical merchandise including a Bastion bandana, original soundtrack CD, and a postcard for Supergiants newly-announced game, Transistor!
$1 or more
Bastion Steam + DRM Free
- Unlock Bastion on Steam
- Works on Mac, Windows, and Linux
- Includes DRM-free downloads
Beat the average
$3.30 or more
Bonus Content
- Digital Soundtrack (MP3/FLAC)
- Bastion Digital Art Pack
- Bastion Sheet Music
- Bastion iPhone/Android Ringtones
$25 or more
Merchandise
- Bastion Bandana
- Bastion Original Soundtrack CD
- Bastion Postcard
- Transistor Postcard (Supergiant's Next Game!)
- Includes Worldwide Shipping
NOTE: must be redeemed by 4/23/13