Best on DS
(24/08/2008) Taiko no Tatsujin : 7tsu no Shima no Daibouken - 693,194
(26/04/2007) Taiko no Tatsujin : Touch de Dokodon - 641,229
Best on 3DS
(12/07/2012) Taiko no Tatsujin : Chibi Dragon to Fushigina Orb - 548,998
maybe next title will be sell better, but the first entry to the platform (Chibi Dragon) did worst compared to DS one (Touch de Dokodon)
another point : the brand is going down as it happened back in the day on PS2, both home and handheld versions had their spike on DS and Wii and now the sales are decreasing
Famitsu
2007 CY {2007.01.01 - 2007.12.30} 061. [NDS] Taiko no Tatsujin DS: Dokodon in Touch! # <ACT> (Bandai Namco Games) {2007.07.26} (¥5.040) - 278.998 / 278.998
2008 CY {2007.12.31 - 2008.12.28} 043. [NDS] Taiko no Tatsujin DS: Dokodon in Touch! # <ACT> (Bandai Namco Games) {2007.07.26} (¥5.040) - 245.829 / 524.827
2009 CY {2008.12.29 - 2009.12.27} 129. [NDS] Taiko no Tatsujin DS: Dokodon in Touch! # <ACT> (Bandai Namco Games) {2007.07.26} (¥5.040) - 90.603 / 615.430
2010 CY {2009.12.28 - 2010.12.26} 353. [NDS] Taiko no Tatsujin DS: Dokodon in Touch! # <ACT> (Bandai Namco Games) {2007.07.26} (¥5.040) - 25.050 / 640.480
2008 CY {2007.12.31 - 2008.12.28} 021. [NDS] Meccha! Taiko no Tatsujin DS: The 7 Island Adventure <ACT> (Bandai Namco Games) {2008.04.24} (¥5.040) - 444.133 / 444.133
2009 CY {2008.12.29 - 2009.12.27} 057. [NDS] Meccha! Taiko no Tatsujin DS: The 7 Island Adventure <ACT> (Bandai Namco Games) {2008.04.24} (¥5.040) - 206.780 / 650.913
2010 CY {2009.12.28 - 2010.12.26} 250. [NDS] Meccha! Taiko no Tatsujin DS: The 7 Island Adventure <ACT> (Bandai Namco Games) {2008.04.24} (¥5.040) - 40.597 / 691.510
2010 CY {2009.12.28 - 2010.12.26} 038. [NDS] Taiko no Tatsujin DS: Dororon! Yokai Daikessen!! <ACT> (Bandai Namco Games) {2010.07.01} (¥5.040) - 279.568 / 279.568
2011 CY {2010.12.27 - 2011.12.25} 139. [NDS] Taiko no Tatsujin DS: Dororon! Yokai Daikessen!! <ACT> (Bandai Namco Games) {2010.07.01} (¥5.040) - 94.215 / 373.783
2012 CY {2011.12.26 - 2012.12.30} 389. [NDS] Taiko no Tatsujin DS: Dororon! Yokai Daikessen!! <ACT> (Bandai Namco Games) {2010.07.01} (¥5.040) - 19.496 / 393.279
2012 CY {2011.12.26 - 2012.12.30} 019. [3DS] Taiko no Tatsujin: Chibi Dragon to Fushigi na Orb <ACT> (Bandai Namco Games) {2012.07.12} (¥5.040) - 352.023 / 352.023
2013 CY {2012.12.31 - 2013.12.29} 045. [3DS] Taiko no Tatsujin: Chibi Dragon to Fushigi na Orb <ACT> (Bandai Namco Games) {2012.07.12} (¥5.040) - 196.975 / 548.998
Media Create
2007 CY {2007.01.01 - 2007.12.30} 043. [NDS] Taiko no Tatsujin DS: Dokodon in Touch! # <ACT> (Bandai Namco Games) {2007.07.26} (¥5.040) - 370.130 / 370.130
2008 CY {2007.12.31 - 2008.12.28} 054. [NDS] Taiko no Tatsujin DS: Dokodon in Touch! # <ACT> (Bandai Namco Games) {2007.07.26} (¥5.040) - 231.880 / 602.010
2009 CY {2008.12.29 - 2010.01.03} 217. [NDS] Taiko no Tatsujin DS: Dokodon in Touch! # <ACT> (Bandai Namco Games) {2007.07.26} (¥5.040) - 53.186 / 655.196
2010 CY {2010.01.04 - 2011.01.02} 413. [NDS] Taiko no Tatsujin DS: Dokodon in Touch! # <ACT> (Bandai Namco Games) {2007.07.26} (¥5.040) - 19.441 / 674.637
2008 CY {2007.12.31 - 2008.12.28} 022. [NDS] Meccha! Taiko no Tatsujin DS: The 7 Island Adventure <ACT> (Bandai Namco Games) {2008.04.24} (¥5.040) - 453.913 / 453.913
2009 CY {2008.12.29 - 2010.01.03} 054. [NDS] Meccha! Taiko no Tatsujin DS: The 7 Island Adventure <ACT> (Bandai Namco Games) {2008.04.24} (¥5.040) - 206.899 / 660.813
2010 CY {2010.01.04 - 2011.01.02} 287. [NDS] Meccha! Taiko no Tatsujin DS: The 7 Island Adventure <ACT> (Bandai Namco Games) {2008.04.24} (¥5.040) - 33.512 / 694.324
2010 CY {2010.01.04 - 2011.01.02} 035. [NDS] Taiko no Tatsujin DS: Dororon! Yokai Daikessen!! <ACT> (Bandai Namco Games) {2010.07.01} (¥5.040) - 324.122 / 324.122
2011 CY {2011.01.03 - 2012.01.01} 118. [NDS] Taiko no Tatsujin DS: Dororon! Yokai Daikessen!! <ACT> (Bandai Namco Games) {2010.07.01} (¥5.040) - 113.405 / 437.527
2012 CY {2012.01.02 - 2012.12.30} 306. [NDS] Taiko no Tatsujin DS: Dororon! Yokai Daikessen!! <ACT> (Bandai Namco Games) {2010.07.01} (¥5.040) - 28.478 / 466.005
2012 CY {2012.01.02 - 2012.12.30} 024. [3DS] Taiko no Tatsujin: Chibi Dragon to Fushigi na Orb <ACT> (Bandai Namco Games) {2012.07.12} (¥5.040) - 340.533 / 340.533