Humble Indie Bundle 11 offers at least four indie titles including Guacamelee and Monaco.
The newest pack in the charity initiative is offering four games on a pay-what-you-want basis, with two extra titles included for above average donors.
The base titles include Guacamelee, Dust: An Elysian Tail, The Swapper and Giana Sisters: Broken Dreams.
Those who pay above the average, which at the time of writing is US$4.27, will also receive Monaco: What's Yours is Mine and Antichamber. All donations go to Child's Play Charity and the Electronic Frontier Foundation
The pack is available for the next fortnight, with over 150,000 packs already sold. All games are DRM-free and multiplatform except for Giana Sisters: Broken Dreams, which is not compatible with Macs.
The Humble Store recently introduced a new 'Humble Pricing' scheme for the UK and Europe, which changes prices on a daily basis according to exchange rates.