Zennou Series Vol. 02 - Indo Shiki Keisan Drill DS (Japan) ROM download is available below and exclusive to CoolROM.com. Download Zennou Series Vol. 02 - Indo Shiki Keisan Drill DS (Japan) ROM to your computer and play it with a compatible emulator. You can also play this game on your mobile device. If you enjoy this free ROM on CoolROM.com, then you may also like other Nintendo DS titles listed below.