Exhibit 21

SUBSIDIARIES OF THE REGISTRANT

	State/Jurisdiction of
Subsidiary	Incorporation/Organization
Arlington Park Racecourse, LLC	Illinois
Arlington OTB Corp.	Illinois
Quad City Downs, Inc.	Iowa
Calder Race Course, Inc., d/b/a Calder Casino and Race Course	Florida
Tropical Park, LLC	Florida
Churchill Downs Louisiana Horseracing Company, LLC d/b/a Fair Grounds Race Course & Slots	Louisiana
Churchill Downs Louisiana Video Poker Company, LLC	Louisiana
Video Services, LLC	Louisiana
Churchill Downs Technology Initiatives Company d/b/a Bloodstock Research Information Services and TwinSpires.com	Delaware
Churchill Downs Management Company, LLC	Kentucky
HCRH, LLC	Delaware
Magnolia Hill, LLC d/b/a Riverwalk Casino Hotel, LLC	Delaware
SW Gaming, LLC d/b/a Harlow's Casino Resort & Spa	Mississippi
United Tote Company	Montana
United Tote Canada, Inc.	Ontario
Churchill Downs Racetrack, LLC	Kentucky
Velocity Wagering HC, LLC	Delaware
Velocity Wagering Services Limited	Isle of Man
MVGR, LLC	Delaware
Miami Valley Gaming & Racing, LLC	Delaware
Bluff Holdings Georgia, Inc.	Georgia
Bluff Holding Company, LLC	Delaware
Churchill Downs Interactive Gaming, LLC	Delaware
BB Development, LLC d/b/a Oxford Casino	Maine
Big Fish Games, Inc.	Washington
BFG Holding LLC	Washington
3 Minute Games LLC	Washington
Big Fish Games Ireland Limited	Ireland
Big Fish Games Canada, Inc.	Canada
Big Fish Games do Brasil Participações Ltda.	Brazil
Big Fish Games Luxembourg S.à.r.l	Luxembourg
Self Aware Games, LLC	California
Slots, Slot Machines and Slots Tournaments LLC	Washington