DeNA going to held the 2nd open beta test of the DUELS X MACHINA on December 9, 2016 in Japan. You can test the game again with the Android version until December 22, 2016 (14:59 – local Japan time) and you can move this time your collected cards to the final version which release after the OBT.

In the 2nd test you can try the Colosseum, Story and the Puzzle battle modes. You can move not just the collected cards but you will get 20 extra gems what you can use in the final version of the game.