| US States Quiz | 0 | - | 5.00 | 14,929,855 |
| States of the U.S. in Alphabetical Order | 0 | - | 4.97 | 342,519 |
| The 13 Colonies Quiz | 0 | - | 4.97 | 101,568 |
| U.S. States with the Letter Y | 0 | - | 4.86 | 97,422 |
| 10 Southernmost U.S. States | 0 | - | 4.85 | 100,456 |
| U.S. States that Start with M | 0 | - | 4.91 | 152,143 |
| U.S. States By Population | 0 | - | 4.90 | 131,174 |
| U.S. States that Start with N | 0 | - | 4.95 | 156,677 |
| U.S. States with Longest Names | 0 | - | 4.84 | 36,632 |
| U.S. States with a Unique First Letter | 0 | - | 4.95 | 78,669 |
| 10 Westernmost U.S. States | 0 | - | 4.95 | 58,826 |
| The Only Remaining U.S. State . . . | 0 | - | 4.94 | 56,807 |
| U.S. States with the Longest International Borders | 0 | - | 4.81 | 41,960 |
| U.S. States or European Countries by Area | 0 | - | 4.95 | 72,561 |
| Louisiana Purchase with a Map | 0 | - | 4.95 | 37,047 |
| U.S. States or European Countries by Population | 0 | - | 4.98 | 117,075 |
| US States with an Empty Map | 0 | - | 5.00 | 560,597 |
| Top 10 Least Populous U.S. States | 0 | - | 4.93 | 174,379 |
| Top 10 Most Populous U.S. States | 0 | - | 4.97 | 151,343 |
| Name a Valid U.S. State #1 | 0 | - | 4.95 | 186,860 |
| U.S. States with the Lowest Population Density | 0 | - | 4.92 | 89,206 |
| Top 10 Most Native American U.S. States | 0 | - | 4.84 | 72,194 |
| US State Capitals Quiz - No Hints | 0 | - | 4.97 | 80,582 |
| 10 Westernmost U.S. State Capitals | 0 | - | 4.88 | 44,756 |
| Top 10 Most-Visited U.S. States | 0 | - | 4.90 | 90,552 |
| U.S. States with the Most Immigrants | 0 | - | 4.85 | 74,065 |
| New England States | 0 | - | 4.52 | 52,539 |
| US States by Land Area | 0 | - | 4.54 | 48,829 |
| Top 10 U.S. States by Inland Water Area | 0 | - | 4.53 | 36,374 |
| Add a Letter - Make a U.S. State | 0 | - | 4.75 | 77,113 |
| Top 10 Widest U.S. States East to West | 0 | - | 4.70 | 51,509 |
| Top 10 Tallest U.S. States North to South | 0 | - | 4.78 | 37,582 |
| Save Americans by Guessing U.S. States | 0 | - | 4.57 | 153,382 |
| 10 Easternmost U.S. States | 0 | - | 4.54 | 53,263 |
| The Only U.S. State ... #1 | 0 | - | 4.55 | 83,068 |
| Most-Visited U.S. Cities | 0 | - | 4.87 | 74,388 |
| Every U.S. Metro Area on a Map | 0 | - | 4.97 | 64,036 |
| Total United States Immigration by Country | 0 | - | 4.89 | 97,744 |
| "Do Not Travel" Countries for U.S. Citizens | 0 | - | 4.94 | 187,909 |
| Asian Countries Americans Travel to the Most | 0 | - | 4.84 | 55,539 |
| Longest U.S. State Borders | 0 | - | 4.65 | 34,745 |
| U.S. States with the Fewest Immigrants | 0 | - | 4.69 | 60,446 |
| U.S. States with the Highest Percentage of Farmland | 0 | - | 4.75 | 54,285 |
| U.S. States with the Lowest Percentage of Farmland | 0 | - | 4.76 | 53,141 |
| U.S. License Plates Picture Quiz | 0 | - | 4.59 | 49,488 |
| Most-Visited Countries by Americans | 0 | - | 4.87 | 94,765 |
| Countries that Visit the United States the Most | 0 | - | 4.95 | 79,867 |
| Pixelated United States Map | 0 | - | 4.90 | 83,177 |
| U.S. State Superlatives #1 | 0 | - | 4.46 | 75,789 |
| U.S. State Superlatives #2 | 0 | - | 4.52 | 37,560 |
| Last 10 U.S. States Alphabetically | 0 | - | 4.34 | 71,203 |
| Top 10 Least Populous U.S. State Capitals | 0 | - | 4.49 | 20,590 |
| Flyover States | 0 | - | 4.51 | 28,131 |
| U.S. States With Double Letters | 0 | - | 4.63 | 20,810 |
| U.S. States Bigger than Their Neighbors | 0 | - | 4.30 | 58,214 |
| U.S. States by Borders | 0 | - | 4.56 | 26,550 |
| Fastest Growing U.S. States Since 1960 | 0 | - | 4.46 | 65,306 |
| Most Guessed U.S. Cities | 0 | - | 4.90 | 92,532 |
| U.S. Cities with the Biggest Economies | 0 | - | 4.83 | 62,329 |
| Countries Closest to United States by Continent | 0 | - | 4.99 | 125,741 |
| Countries that Beat the United States | 0 | - | 4.92 | 147,427 |
| All 3,143 Counties of the United States on a Map | 0 | - | 4.96 | 279,737 |
| 10 Longest Rivers in the United States | 0 | - | 4.82 | 35,318 |
| Word Scramble - U.S. States | 0 | - | 4.96 | 462,855 |
| U.S. State Capitals Map Quiz | 0 | - | 4.91 | 127,333 |
| Hawaiian Islands Map Quiz | 0 | - | 4.88 | 21,200 |
| Great Plains States and Provinces on a Map | 0 | - | 4.94 | 38,893 |
| States, Provinces & Territories that Touch the Appalachian Mountains | 0 | - | 4.59 | 19,827 |
| U.S. States with the Lowest HDI | 0 | - | 4.46 | 27,612 |
| Which U.S. State - Multiple Choice | 0 | - | 4.45 | 19,090 |
| Top 10 Coldest U.S. States | 0 | - | 4.91 | 101,366 |
| Top 10 Hottest U.S. States | 0 | - | 4.86 | 101,879 |
| Top 10 U.S. States with the Least Precipitation | 0 | - | 4.82 | 57,373 |
| Capitals of Canadian Provinces | 0 | - | 4.86 | 74,285 |
| Mexico States Map Quiz | 0 | - | 4.84 | 91,659 |
| States of Mexico | 0 | - | 4.94 | 144,037 |
| 10 U.S. States With The Highest Murder Rates | 0 | - | 4.44 | 47,841 |
| 10 U.S. States With The Lowest Murder Rates | 0 | - | 4.52 | 34,326 |
| Name a Valid U.S. State #2 | 0 | - | 4.63 | 70,123 |
| Name a Valid U.S. State #3 | 0 | - | 4.78 | 44,542 |
| U.S. States with the Highest Population Density | 0 | - | 4.46 | 66,851 |
| Name a Valid U.S. State Capital | 0 | - | 4.82 | 49,974 |
| United States Map Quiz | 0 | - | 4.98 | 3,925,854 |
| Cartoon Versions of U.S. States | 0 | - | 4.82 | 52,882 |
| U.S. State Flags | 0 | - | 4.88 | 139,372 |
| U.S. States that Border Canada | 0 | - | 4.90 | 166,624 |
| U.S. States by Wikipedia Descriptions #1 | 0 | - | 4.57 | 37,599 |
| U.S. States by Wikipedia Descriptions #2 | 0 | - | 4.47 | 35,512 |
| 50 States, 50 Cities - Hard Version | 0 | - | 4.48 | 40,802 |
| Speed Capital to U.S. State | 0 | - | 4.44 | 107,262 |
| 10 Southernmost U.S. State Capitals | 0 | - | 4.53 | 37,394 |
| US States and State Capitals Quiz | 0 | - | 4.99 | 123,138 |
| Countries Closest to Canada | 0 | - | 4.90 | 185,662 |
| U.S. States with the Fewest Borders | 0 | - | 4.76 | 106,417 |
| U.S. States with the Most Borders | 0 | - | 4.56 | 61,194 |
| Walking Across U.S. State Borders with Hints | 0 | - | 4.76 | 33,589 |
| U.S. States or European Countries by GDP | 0 | - | 4.98 | 77,952 |
| Top 10 U.S. States with the Highest Elevation | 0 | - | 4.51 | 58,481 |
| U.S. States with the Lowest Average Elevation | 0 | - | 4.54 | 31,873 |
| Fifty US States in One Minute | 0 | - | 4.57 | 3,276,181 |
| U.S. State Symbols | 0 | - | 4.38 | 23,694 |
| U.S. States along the Atlantic and Gulf Coast | 0 | - | 4.40 | 28,418 |
| U.S. States Without Individual Income Tax | 0 | - | 4.33 | 27,606 |
| 10 Northernmost U.S. States | 0 | - | 4.89 | 74,552 |
| Top 10 U.S. States Taller than Wide | 0 | - | 4.05 | 12,765 |
| Top 10 U.S. States Wider than Tall | 0 | - | 4.30 | 13,857 |
| Category Elimination - U.S. States #1 | 0 | - | 4.90 | 196,913 |
| U.S. Panhandles | 0 | - | 4.25 | 25,707 |
| Top 10 Happiest U.S. States | 0 | - | 4.37 | 19,099 |
| U.S. States with a Unique Last Letter | 0 | - | 4.14 | 19,748 |
| Hated U.S. States | 0 | - | 4.10 | 13,237 |
| Top 10 Largest U.S. States by Area | 0 | - | 4.95 | 146,493 |
| Top 10 Smallest U.S. States by Area | 0 | - | 4.98 | 168,562 |
| Top 10 Poorest U.S. States by Median Income | 0 | - | 4.85 | 99,624 |
| Top 10 Least Obese U.S. States | 0 | - | 4.81 | 69,089 |
| U.S. State Capitals Quiz | 0 | - | 5.00 | 1,542,373 |
| Countries that Beat Canada | 0 | - | 4.91 | 78,929 |
| Random U.S. States on a Map | 0 | - | 4.95 | 505,476 |
| Regions of US States | 0 | - | 4.19 | 31,571 |
| 10 U.S. States with the Most Valuable Crops | 0 | - | 4.39 | 28,535 |
| Top Producing U.S. States | 0 | - | 4.23 | 29,022 |
| Landmarks of U.S. States #2 | 0 | - | 4.19 | 17,823 |
| Landmarks of U.S. States #1 | 0 | - | 4.29 | 22,114 |
| U.S. States with the Highest HDI | 0 | - | 4.08 | 24,154 |
| States of Origin - American Popular Music | 0 | - | 4.19 | 9,956 |
| 1M Cities by Proximity - United States | 0 | - | 4.50 | 138,413 |
| Biggest Cities in a Strip of the United States Map | 0 | - | 4.72 | 36,890 |
| Countries with American Expatriates | 0 | - | 4.58 | 41,101 |
| United States Country Quiz | 0 | - | 4.44 | 90,395 |
| United States Landmarks Map Quiz | 0 | - | 4.55 | 38,542 |
| Busiest Air Routes from the U.S. | 0 | - | 4.47 | 72,984 |
| U.S. National Parks Quiz | 0 | - | 4.78 | 47,451 |
| Mississippi River States Empty Map Quiz | 0 | - | 4.84 | 51,436 |
| States and Provinces that touch the Rocky Mountains | 0 | - | 4.42 | 31,512 |
| Confederate States of the U.S. Civil War | 0 | - | 4.91 | 123,087 |
| Events by U.S. State #1 | 0 | - | 4.42 | 21,879 |
| 50 States, 50 Cities - Easy Version | 0 | - | 4.38 | 121,418 |
| U.S. Cities with the Highest Murder Rate | 0 | - | 4.57 | 131,221 |
| Random U.S. City to State | 0 | - | 4.44 | 66,469 |
| South America Capitals Quiz | 0 | - | 5.00 | 431,552 |
| Countries Closest to the U. S. | 0 | - | 4.41 | 199,554 |
| US States by Borders in 30 Seconds | 0 | - | 4.75 | 2,424,050 |
| 10 Closest Megacities to New York City | 0 | - | 4.51 | 64,553 |
| U.S. States by First Two Letters in 30 Seconds | 0 | - | 4.64 | 1,257,809 |
| US State Capitals by Proximity in 30 Seconds | 0 | - | 4.18 | 121,651 |
| US State Capitals by First Two Letters in 45 seconds | 0 | - | 4.06 | 56,456 |
| 10 Northernmost U.S. State Capitals | 0 | - | 4.55 | 30,360 |
| U.S State Capitals on the Sea | 0 | - | 4.52 | 25,158 |
| 10 Easternmost U.S. State Capitals | 0 | - | 4.49 | 29,277 |
| Boroughs of New York City | 0 | - | 4.45 | 77,761 |
| American Countries with the Shortest Names | 0 | - | 4.96 | 101,786 |
| The Only American Country ... | 0 | - | 4.94 | 111,017 |
| Belize Country Quiz | 0 | - | 4.88 | 18,985 |
| Saint Vincent and the Grenadines Country Quiz | 0 | - | 4.88 | 17,288 |
| Flags of North and South America Quiz | 0 | - | 4.99 | 314,256 |
| U.S. Cities with the Most International Tourists | 0 | - | 4.88 | 66,151 |
| U.S. State Border Crossings | 0 | - | 4.96 | 82,778 |
| Five Biggest Immigrant Groups by Decade in the US | 0 | - | 4.84 | 34,390 |
| U.S. States With the Highest Average Elevation | 0 | - | 4.60 | 31,251 |
| Win the U.S. Presidential Election | 0 | - | 4.79 | 519,177 |
| Movies by State Quiz | 0 | - | 4.23 | 39,491 |
| U.S Cities by African-American Population | 0 | - | 4.40 | 83,233 |
| Important Places in U.S. History | 0 | - | 4.23 | 36,520 |
| Cities on Route 66 on a Map | 0 | - | 4.52 | 29,385 |
| World Capitals by First Two Letters in 90 Seconds | 0 | - | 4.36 | 235,531 |
| U.S. Suburbs Quiz | 0 | - | 4.45 | 17,644 |
| Top 10 Biggest Economies in the Americas | 0 | - | 4.94 | 82,511 |
| Brazil States Map Quiz | 0 | - | 4.84 | 40,439 |
| Europe Map Quiz | 0 | - | 5.00 | 4,336,988 |
| Random Sequential U.S. States on a Map | 0 | - | 4.99 | 220,244 |
| Largest United States Airlines | 0 | - | 4.38 | 52,305 |
| States of Brazil | 0 | - | 4.97 | 70,338 |
| All First-Level Subdivisions of South America on a Map | 0 | - | 4.91 | 41,393 |
| American Geography Quiz for Dummies | 0 | - | 4.33 | 53,386 |
| Biggest Cities in the U.S. - Extreme | 0 | - | 4.95 | 143,388 |
| Biggest Cities in Each U.S. State - Extreme | 0 | - | 4.91 | 70,540 |
| 500 Biggest US Cities | 0 | - | 4.88 | 100,192 |
| 100 Biggest Cities in North America on a Map | 0 | - | 4.82 | 53,440 |
| ALL California Cities | 0 | - | 4.36 | 39,537 |
| Name a Valid U.S. City over 100,000 | 0 | - | 4.39 | 37,447 |
| South American Capitals - Map Quiz | 0 | - | 4.98 | 117,302 |
| Top 10 American Countries by Coastline | 0 | - | 4.95 | 83,809 |
| Top 10 Richest Countries in the Americas | 0 | - | 4.88 | 69,247 |
| Biggest Trading Partners - US | 0 | - | 4.63 | 102,205 |
| Colombia Country Quiz | 0 | - | 4.89 | 35,622 |
| Canada Country Quiz | 0 | - | 4.54 | 122,432 |
| Canada Cities Map Quiz | 0 | - | 4.55 | 110,132 |
| U.S. State Quarters Picture Quiz #1 | 0 | - | 4.44 | 51,179 |
| U.S. State Quarters Picture Quiz #2 | 0 | - | 4.75 | 36,967 |
| U.S. Cities by Picture #1 | 0 | - | 4.37 | 31,994 |
| Cities by Picture #2 | 0 | - | 4.22 | 32,642 |
| U.S. States by Clue #1 | 0 | - | 4.48 | 33,184 |
| U.S. States with More Cows than People | 0 | - | 4.58 | 39,362 |
| U.S. States by Coldest Recorded Temperature | 0 | - | 4.52 | 62,552 |
| Events by U.S. State #2 | 0 | - | 4.27 | 17,887 |
| U.S. States with Spanish Names | 0 | - | 4.48 | 68,256 |
| U.S. States with Exactly One Major Pro Sports Team | 0 | - | 3.89 | 17,234 |
| Top 10 U.S. States With the Most Tornadoes | 0 | - | 4.54 | 60,986 |
| Top 10 U.S. States by Public Transit | 0 | - | 4.79 | 58,990 |
| Top 10 U.S. States with the Most Precipitation | 0 | - | 4.46 | 39,579 |
