BlackJack Math Cross Numbers Achievements Here is the full list of all 8 BlackJack Math Cross Numbers achievements.Filter Achievement View View Image viewList view Sort by TrueSteamAchievement desc TrueSteamAchievement asc Achievement name desc Achievement name asc TSA Ratio desc TSA Ratio asc Gamers desc Gamers asc Steam order Date won desc Date won asc What are achievement flags? Click to find outApply 5 LevelsComplete level 5 10 LevelsComplete level 10 15 LevelsComplete level 15 20 LevelsComplete level 20 25 LevelsComplete level 25 30 LevelsComplete level 30 35 LevelsComplete the game Good IdeaGot 51 as a result