There's a bug where x2 and x5 together doesn't give x10 (iirc 20 w/ x2 and x5 gave 140 rather than 200)
Also a mistranslation on Korean
Odd/Even Card should be "홀수/짝수 코인을 포함해야 합니다." (current translation "홀수/짝수 코인만 포함해야 합니다" translates to "Only odd/even coins must be included")