Bit.Trip Beat
It was later released for the Windows and Mac OS X through the download service Steam in 2010 , while Namco Bandai published it for iOS on iPod Touch , iPhone , and iPad in both "Bit . Trip Beat" and "Bit . Trip Beat HD" versions . 
<triplet> iOS <subj> iPod Touch <obj> platform <subj> iPad <obj> platform <triplet> iPod Touch <subj> iOS <obj> operating system <triplet> iPhone <subj> iOS <obj> operating system <triplet> Bit.Trip Beat <subj> Windows <obj> platform <subj> Mac OS X <obj> platform <subj> iOS <obj> platform