Math fluxx is all about the numbers players use positive integers whole numbers in their quest to achieve a very mathematical goal mdash but it39s not just putting 4 and 2 together to achieve the 42 goal for example as math fluxx also features the plan b meta rule plan b puts special victory rules into play which give you a second way to win and require even more arithmetical acumen eg quotplus victoryquot lets you win if your keepers add up to the current goal with math flu