In the game "Collapse Star Railroad", the steps to complete the "Double Six" achievement are as follows:
【Double Six】
2.1 At the end of the main mission, you will fight the boss [Stone Heart Ten] Strange Sand Gold. The best combat skills and finishing moves of the four characters in the team are group attacks. It is best to bring a shield and milk. This [Stone Heart Ten] Strange Sand Gold is not It's easy to fight. When rolling the dice, if your points are greater than sand gold, you won't be beaten, and your finishing skill will be fully restored after the end. If your points are less, you will be beaten.
In the first stage of the boss (2 dice will appear), every period of time, Weird Sand Gold will choose a character to roll the dice, first use the group attack finishing move and then the group attack combat skill (this will give you 2 chances to obtain achievements each time) , you can also use a combat skill and then quickly use a finishing move). As long as at least 2 dice can hit 6 points at the same time, you can obtain the achievement "Double Six"
The above is all about how to achieve the Double Six achievements in "Collapse Star Railroad". For more game guides, please click on the source code website.