Here's a list of all the decks currently featured at Countdown! They are currently organized by group, alphabetically. We have a total of 60 decks and 900 cards available for trading!
| Subject | Set | Cards | ||
| A.B.C-Z | Vanilla | 15 | ||
 Hashimoto Ryosuke |
Hasshi | 15 | ||
| Kawai Fumito |
Monomane | 15 | ||
| Subject | Set | Cards | ||
| Arashi | Rainbow | 15 | ||
| Aiba Masaki |
Friendship | 15 | ||
| Matsumoto Jun |
Do S Bancho | 15 | ||
| Ninomiya Kazunari |
Himitsu | 15 | ||
| Ohno Satoshi |
Freestyle | 15 | ||
| Sakurai Sho |
Arigatou | 15 | ||
| Subject | Set | Cards | ||
| Hey! Say! JUMP | Heisei | 15 | ||
Chinen Yuri  |
Kawaii | 15 | ||
| Nakajima Yuto |
Uruwashi | 15 | ||
| Okamoto Keito |
Eigo | 15 | ||
| Yabu Kota |
Yabucchi | 15 | ||
| Yamada Ryosuke |
Moonlight | 15 | ||
| Yaotome Hikaru |
Warai | 15 | ||
| Subject | Set | Cards | ||
| Kanjani8 | 8 da yo! | 15 | ||
| Nishikido Ryo |
Mouten | 15 | ||
| Shibutani Subaru |
Words | 15 | ||
| Ohkura Tadayoshi |
Percussion | 15 | ||
| Yokoyama Yu |
Knock | 15 | ||
| Subject | Set | Cards | ||
| KAT-TUN | Six Senses | 15 | ||
| Akanishi Jin |
Care | 15 | ||
| Kamenashi Kazuya |
Kizuna | 15 | ||
| Nakamaru Yuichi |
Beatbox | 15 | ||
| Taguchi Junnosuke |
Happy! | 15 | ||
| Tanaka Koki |
Joker | 15 | ||
| Ueda Tatsuya |
Kakigoori | 15 | ||
| Subject | Set | Cards | ||
| KinKi Kids | Yakusoku | 15 | ||
| Domoto Koichi |
Mirror | 15 | ||
| Domoto Tsuyoshi |
Sora | 15 | ||
| Subject | Set | Cards | ||
| Kis-My-Ft2 | Fire Beat | 15 | ||
| Fujigaya Taisuke |
Taipi | 15 | ||
| Kitayama Hiromitsu |
Chikara | 15 | ||
| Subject | Set | Cards | ||
| NEWS | Good News! | 15 | ||
| Kato Shigeaki |
Happy Music | 15 | ||
| Koyama Keiichiro |
Koya-ing | 15 | ||
| Masuda Takahisa |
Akatsuki | 15 | ||
| Nishikido Ryo |
Mouten | 15 | ||
| Tegoshi Yuya |
Ai Nante | 15 | ||
| Yamashita Tomohisa |
Mola | 15 | ||
| Tegomass | Uta | 15 | ||
| Subject | Set | Cards | ||
| Katori Shingo |
Dynamite | 15 | ||
| Kimura Takuya |
Mr. Brain | 15 | ||
| Subject | Set | Cards | ||
| Tackey & Tsubasa | You & I | 15 | ||
| Imai Tsubasa |
Wing | 15 | ||
| Takizawa Hideaki |
Kakumei | 15 | ||
| Subject | Set | Cards | ||
| TOKIO | Glider | 15 | ||
| Joshima Shigeru |
Leader | 15 | ||
| Nagase Tomoya |
Southend | 15 | ||
| Subject | Set | Cards | ||
| V6 | Voyager | 15 | ||
| Miyake Ken |
Yuugure | 15 | ||
| Nagano Hiroshi |
Gurume | 15 | ||
| Okada Junichi |
Odeko | 15 | ||
| Sakamoto Masayuki |
Marsa | 15 | ||
| Coming Century | Kamisen | 15 | ||
| 20th Century | Tonisen | 15 | ||
| Subject | Set | Cards | ||
| Nakayama Yuma |
Battery | 15 | ||
| Subject | Set | Cards | ||
| Ikuta Toma | Tomagoto | 15 | ||
| Subject | Set | Cards | ||
| Gokusen | Plumeria | 15 | ||
| Tokyo Tower |
Sleepless Nights | 15 | ||
| Subject | Set | Cards | ||
| Amatsukaze |
Amatsukaze | 15 | ||
| Furaipan to Kenju | Furaipan | 15 | ||
| Kagotsurube | Kagotsurube | 15 | ||
| Romeo | Romeo | 15 | ||
| Strangers on a Train | Strangers | 15 | ||
| Takizawa Enbujo 08 | Enbujo 08 | 15 | ||
| Subject | Set | Cards | ||
| Birthday | Birthday | 2 | ||
| Prejoin | Prejoin | 42 | ||