ðə nˈɪntəndˌɑːɡz sˈɪɹiz ɪz wˈʌn ʌvðə mˈoʊst pˈɑːpjʊlɚ dˌiːˈɛs sˈɔftwɛɹ tˈaɪɾəlz, sˈɛlɪŋ twˈɛnti θɹˈiː.nˈaɪnti sˈɪks mˈɪliən jˈuːnɪts æz ʌv mˈeɪ tˈuː θˈaʊzənd nˈaɪn, fˈɑːloʊd baɪ bɹˈeɪn ˈeɪdʒ æt nˈaɪntiːn.zˈiəɹoʊ wˈʌn mˈɪliən jˈuːnɪts ænd bɹˈeɪn ˈeɪdʒ tˈuː: mˈoːɹ tɹˈeɪnɪŋ ɪn mˈɪnɪts ɐ dˈeɪ!
The Nintendogs series is one of the most popular DS software titles, selling 23.96 million units as of May 2009, followed by Brain Age at 19.01 million units and Brain Age 2: More Training in Minutes a Day!