| 1 | Zan Sayonara Zetsubou Sensei | 2009/07/05 | 616 | 52.40 | 37.99 | 1.31 /Good | 30 | 15,748 | |
| 2 | Zan Sayonara Zetubou sensei bangaichi | 2009/11/17 | 1,501 | 48.23 | 8.01 | 2.67 /Best | 3 | 2,668 | |
| 3 | ZEGAPAIN | 2006/04/06 | 252 | 60.01 | 92.66 | 1.13 /Good | 118 | 78,642 | |
| 4 | ZEGUY Unkai no meikyu | 1993 | 2,515 | 47.25 | 1 | 1.00 /Good | 1 | 8,043 | |
| 5 | Zendaman | 1979/02/03 | 1,070 | 49.47 | 16.92 | 0.94 /Good | 20 | 17,547 | |
| 6 | Zenki, the Demon Prince | 1995/01/29 | 1,345 | 48.63 | 10.88 | 0.32 /Normal | 40 | 42,295 | |
| 7 | Zenmai Zamurai | 2006/04/03 | 966 | 49.89 | 19.98 | 1.11 /Good | 20 | 36,211 | |
| 8 | Zenryoku Usagi | 2008/01/05 | 835 | 50.59 | 24.96 | 1.92 /Very good | 14 | 11,877 | |
| 9 | Zentrix (Jikuu Boukenki Zentrix) | 2003/04 | 757 | 51.14 | 28.95 | 1.93 /Very good | 19 | 20,568 | |
| 10 | Zero no Tsukaima | 2006/07/02 | 362 | 56.51 | 67.5 | 0.54 /Good | 148 | 91,736 | |
| 11 | Zero no Tsukaima F | 2012/01/07 | |||||||
| 12 | Zero no Tsukaima: Princesses no Rondo | 2008/07/07 | 3,541 | 39.73 | -53.04 | -1.04 /Bad | 56 | 27,200 | |
| 13 | Zero Tester | 1973/10/01 | 1,269 | 48.78 | 12 | 1.20 /Good | 10 | 17,233 | |
| 14 | Zetsuai 1989 | 1992/07/29 | 2,598 | 47.25 | 0.99 | 0.11 /Normal | 11 | 13,768 | |
| 15 | Zettai karen children | 2008/04/06 | 3,113 | 46.53 | -4.18 | -0.11 /Normal | 47 | 56,773 | |
| 16 | Zettai Muteki Raijin-Oh | 1991/04/03 | 200 | 63.28 | 116.16 | 2.42 /Very good | 60 | 41,302 | |
| 17 | Zettai Muteki Raijin-oh Original video animation | 1992/06 | 1,725 | 47.95 | 6 | 3.00 /Best | 2 | 2,058 | |
| 18 | Zettai shogeki. Platonic Heart | 2008/10/29 | 3,313 | 45.44 | -12 | -1.20 /Bad | 10 | 7,458 | |
| 19 | Zettai Shonen (Absolute Boy) | 2005/05/21 | 759 | 51.13 | 28.89 | 1.07 /Good | 44 | 34,815 | |
| 20 | ZIPANG | 2004/10/07 | 587 | 52.70 | 40.12 | 1.18 /Good | 50 | 36,048 | |
| 21 | Z.O.E Dolores,i (ZONE OF THE ENDERS) | 2001/04/06 | 470 | 54.34 | 51.91 | 1.79 /Very good | 37 | 20,836 | |
| 22 | ZOIDS: Chaotic Century / Zoids: Guardian Force (Classic Zoids) | 1999/09/04 | 213 | 62.73 | 112.23 | 1.29 /Good | 147 | 121,244 | |
| 23 | ZOIDS FUZORS | 2004/10/03 | 3,205 | 46.14 | -7.02 | -0.39 /Normal | 51 | 28,499 | |
| 24 | ZOIDS GENESIS | 2005/04/10 | 1,536 | 48.22 | 7.98 | 0.21 /Normal | 96 | 73,421 | |
| 25 | ZOIDS New Century ZERO | 2001/01/06 | 864 | 50.44 | 23.94 | 0.63 /Good | 44 | 30,506 | |
| 26 | Zoku Natsume Yujin Chou | 2009/01/06 | 229 | 61.56 | 103.8 | 1.73 /Very good | 63 | 37,938 | |
| 27 | Zoku sayonara zetsubou sensei | 2008/01/06 | 755 | 51.15 | 28.98 | 2.07 /Very good | 14 | 6,052 | |
| 28 | ZOMBIE LOAN | 2007/07/03 | 3,338 | 45.16 | -14 | -1.40 /Bad | 12 | 16,601 | |
| 29 | Zoobles! | 2011/06/13 | 2,019 | 47.53 | 3 | 3.00 /Best | 1 | 969 | |
| 30 | Zoo Lost Erephant | 1982/03/20 | 2,116 | 47.53 | 3 | 1.50 /Very good | 2 | 4,432 | |
| 31 | Zyuousei | 2006/04/14 | 1,861 | 47.68 | 4.05 | 0.27 /Normal | 27 | 19,853 |
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