| Hint | Answer | % Correct |
|---|---|---|
| Mississippi, Louisiana, Tennessee, Kentucky, Illinois, Iowa, Wisconsin, Minnesota, Missouri, Arkansas | Mississippi River | 100%
|
| Nebraska, Iowa, South Dakota, Kansas, Missouri | Missouri River | 95%
|
| Indiana, Kentucky, Ohio, West Virginia, Illinois | Ohio River | 95%
|
| Texas, New Mexico, Chihuahua (MX), Coahuila (MX), Nuevo Leon (MX), Tamaulipas (MX) | Rio Grande | 95%
|
| Arizona, California, Nevada, Baja California (MX) | Colorado River | 91%
|
| Maryland, Virginia, West Virginia | Potomac River | 87%
|
| Oklahoma, Texas, Arkansas | Red River | 82%
|
| Minnesota, North Dakota | Red River | 82%
|
| New York, New Jersey | Hudson River | 78%
|
| New Jersey, Pennsylvania, New York, Delaware | Delaware River | 75%
|
| Oregon, Idaho, Washington | Snake River | 75%
|
| Washington, Oregon | Columbia River | 74%
|
| New York, Quebec (CA) | St. Lawrence River | 71%
|
| Tennessee, Mississippi, Alabama | Tennessee River | 57%
|
| New Hampshire, Vermont, Connecticut, Massachusetts | Connecticut River | 53%
|
| Alabama, Georgia, Florida | Chattahoochee River | 33%
|
| Indiana, Illinois | Wabash River | 30%
|
| South Carolina, Georgia | Savannah River | 29%
|
| Minnesota, South Dakota | Minnesota River | 20%
|
| Michigan, Ontario (CA) | Detroit River | 18%
|
| Maine, New Brunswick (CA) | St. John River | 18%
|
| Michigan, Ontario (CA) | St. Clair River | 15%
|
| Texas, Louisiana | Sabine River | 13%
|
| New York, Ontario (CA) | Niagara River | 12%
|
| Georgia, Florida | St. Marys River | 12%
|
| Michigan, Ontario (CA) | St. Marys River | 12%
|
| Mississippi, Louisiana | Pearl River | 10%
|
| Minnesota, Wisconsin | St. Croix River | 10%
|
| Maine, New Brunswick (CA) | St. Croix River | 10%
|
| Minnesota, Ontario (CA) | Rainy River | 8%
|
| Iowa, Missouri | Des Moines River | 7%
|
| Kentucky, West Virginia | Tug River | 7%
|
| Georgia, South Carolina, North Carolina | Chattooga River | 6%
|
| Michigan, Wisconsin | Menominee River | 6%
|
| West Virginia, Kentucky | Big Sandy River | 5%
|
| Iowa, South Dakota | Big Sioux River | 5%
|
| South Carolina, North Carolina | Catawba River | 5%
|
| Florida, Alabama | Perdido River | 5%
|
| Minnesota, Wisconsin | St. Louis River | 5%
|
| North Dakota, Minnesota, South Dakota | Bois de Sioux River | 4%
|
| Minnesota, Ontario (CA) | Pigeon River | 4%
|
| Minnesota, Ontario (CA) | Granite River | 3%
|
| Michigan, Wisconsin | Montreal River | 3%
|
| Connecticut, Rhode Island | Pawcatuck River | 3%
|
| Maine, New Hampshire | Piscataqua River | 3%
|
| Maine, New Brunswick (CA) | St. Francis River | 3%
|
| Arkansas, Missouri | St. Francis River | 3%
|
| Michigan, Wisconsin | Brule River | 2%
|
| New York, Connecticut | Byram River | 2%
|
| New Hampshire, Quebec (CA) | Halls River | 2%
|
| Minnesota, Ontario (CA) | Pine River | 2%
|
| Vermont, New York | Poultney River | 2%
|
| Maine, New Hampshire | Salmon Falls River | 2%
|
| Georgia, South Carolina | Tugaloo River | 2%
|
| Minnesota, Ontario (CA) | Arrow River | 1%
|
| Minnesota, Ontario (CA) | Basswood River | 1%
|
| Rhode Island, Massachusetts | Runnins River | 1%
|