USA – Missouri Home Poker Law

In the state of Missouri, home poker games are illegal by omission. State law provides parameters for all legal forms of gambling, leaving all other forms as criminal activity. Unlawful forms of gambling are considered a class C misdemeanor in Missouri, unless the player qualifies, under law, as a “professional gambler”, in which case it is moved to a class D misdemeanor.

[Reference: http://www.moga.mo.gov/statutes/chapters/chap572.htm]