Dejo una lista de paginas con Bundles, tiren si hay alguna otra.

www.humblebundle.com
www.humblebundle.com/weekly
http://www.indieroyale.com/
http://www.indiegala.com/
http://www.buygamesnotsocks.com/
http://www.bundlestars.com/
http://bundle-in-a-box.com/
http://www.thefreebundle.com/
http://bundle.thumbarcade.com/
http://groupees.com/
http://www.getgamesgo.com/specialoffers
http://www.greenmangaming.com/hot-deals/
https://teksyndicate.com/gamedeals
http://indiepinata.com/

Bundle trackers:
http://www.indiegamebundles.com/category/active/
http://www.reddit.com/r/GameBundles
http://www.indiekings.com/p/bundle-tracker.html
http://epicbundle.com