| Top 10 Least Populous U.S. States | 0 | - | 4.94 | 192,003 |
| Top 10 Most Populous U.S. States | 0 | - | 4.97 | 176,555 |
| Most-Visited U.S. Cities | 0 | - | 4.85 | 94,267 |
| Every U.S. Metro Area on a Map | 0 | - | 4.97 | 82,083 |
| U.S. States with the Lowest Population Density | 0 | - | 4.92 | 93,977 |
| U.S. State Capitals Quiz | 0 | - | 5.00 | 1,693,379 |
| Most Guessed U.S. Cities | 0 | - | 4.89 | 106,351 |
| U.S. Cities with the Biggest Economies | 0 | - | 4.83 | 73,007 |
| US State Capitals Quiz - No Hints | 0 | - | 4.98 | 95,338 |
| 10 Westernmost U.S. State Capitals | 0 | - | 4.90 | 48,193 |
| Louisiana Purchase with a Map | 0 | - | 4.96 | 48,872 |
| U.S. State Capitals Map Quiz | 0 | - | 4.93 | 144,953 |
| US States Quiz | 0 | - | 5.00 | 16,924,594 |
| States of the U.S. in Alphabetical Order | 0 | - | 4.98 | 367,868 |
| U.S. Cities With The Most Top Census Appearances | 0 | - | 4.68 | 11,261 |
| Capitals of Canadian Provinces | 0 | - | 4.85 | 89,289 |
| Fastest Growing U.S. States Since 1960 | 0 | - | 4.48 | 76,213 |
| Biggest Cities in the U.S. - Extreme | 0 | - | 4.95 | 159,592 |
| 15 Largest Cities in North America With a Map | 0 | - | 4.98 | 47,597 |
| Biggest Cities in Each U.S. State - Extreme | 0 | - | 4.91 | 83,273 |
| 10 Biggest Cities by U.S. State | 0 | - | 4.95 | 42,088 |
| 500 Biggest U.S. Urban Areas | 0 | - | 4.90 | 117,530 |
| 100 Biggest Cities in North America on a Map | 0 | - | 4.84 | 62,532 |
| The 13 Colonies Quiz | 0 | - | 4.97 | 118,151 |
| U.S. States with the Letter Y | 0 | - | 4.85 | 111,758 |
| 10 Southernmost U.S. States | 0 | - | 4.89 | 113,698 |
| U.S. States with Short Names | 0 | - | 4.91 | 149,380 |
| U.S. States that Start with M | 0 | - | 4.93 | 187,694 |
| U.S. States By Population | 0 | - | 4.92 | 153,770 |
| U.S. States that Start with N | 0 | - | 4.95 | 171,759 |
| U.S. States with Longest Names | 0 | - | 4.84 | 44,615 |
| U.S. States with a Unique First Letter | 0 | - | 4.96 | 88,545 |
| 10 Westernmost U.S. States | 0 | - | 4.95 | 64,340 |
| The Only Remaining U.S. State . . . | 0 | - | 4.93 | 65,814 |
| Cities in U.S. History #1 | 0 | - | 4.31 | 45,470 |
| US States with an Empty Map | 0 | - | 5.00 | 626,202 |
| U.S. States or European Countries by Area | 0 | - | 4.95 | 96,424 |
| U.S. States or European Countries by Population | 0 | - | 4.97 | 133,557 |
| Countries of Europe by Population | 0 | - | 4.98 | 181,606 |
| Biggest Cities in Europe in 1700 | 0 | - | 4.93 | 71,198 |
| Biggest European Cities by Century | 0 | - | 4.99 | 145,825 |
| 50 Biggest Cities in 1920 on a World Map | 0 | - | 4.99 | 78,096 |
| U.S Cities by African-American Population | 0 | - | 4.42 | 95,441 |
| 1M Cities by Proximity - United States | 0 | - | 4.63 | 150,860 |
| Biggest Cities in a Strip of the United States Map | 0 | - | 4.74 | 41,042 |
| Cities on Route 66 on a Map | 0 | - | 4.53 | 33,179 |
| Top 10 Oldest U.S. State Capitals | 0 | - | 4.55 | 32,121 |
| U.S. States with the Highest Population Density | 0 | - | 4.47 | 68,415 |
| U.S. Cities with the Highest Murder Rate | 0 | - | 4.55 | 138,809 |
| Random U.S. City to State | 0 | - | 4.45 | 76,581 |
| Name a Valid U.S. City over 100,000 | 0 | - | 4.42 | 40,342 |
| Richest Metro Areas in the U.S. | 0 | - | 4.42 | 43,884 |
| South America Capitals Quiz | 0 | - | 5.00 | 482,828 |
| Name a Valid U.S. State #1 | 0 | - | 4.93 | 209,539 |
| Top 10 Most Native American U.S. States | 0 | - | 4.87 | 92,371 |
| Top 10 Most Populous European Countries | 0 | - | 4.97 | 233,420 |
| Top 10 Most Populous Asian Countries | 0 | - | 4.97 | 184,299 |
| Top 10 Most Populous African Countries | 0 | - | 4.99 | 193,726 |
| Top 10 Most Densely-Populated Countries in Asia | 0 | - | 4.92 | 104,392 |
| Top 10 Asian Countries by Population Increase | 0 | - | 4.93 | 108,599 |
| Biggest US Cities by Decade | 0 | - | 4.95 | 168,598 |
| Speed Capital to U.S. State | 0 | - | 4.45 | 114,156 |
| 10 Southernmost U.S. State Capitals | 0 | - | 4.51 | 39,078 |
| 10 Northernmost U.S. State Capitals | 0 | - | 4.57 | 35,813 |
| 10 Easternmost U.S. State Capitals | 0 | - | 4.50 | 34,726 |
| Boroughs of New York City | 0 | - | 4.47 | 84,726 |
| Countries With More Than 100 Million People | 0 | - | 4.99 | 166,474 |
| Five Most Populated Countries by Hemisphere | 0 | - | 4.96 | 124,486 |
| Top 50 Countries by Population - In Order | 0 | - | 4.98 | 331,936 |
| World Capitals by First Two Letters in 90 Seconds | 0 | - | 4.35 | 246,583 |
| U.S. Suburbs Quiz | 0 | - | 4.47 | 18,418 |
| Total United States Immigration by Country | 0 | - | 4.91 | 111,906 |
| "Do Not Travel" Countries for U.S. Citizens | 0 | - | 4.97 | 244,974 |
| Mexico States Map Quiz | 0 | - | 4.84 | 105,197 |
| Name the U.S. National Parks | 0 | - | 4.86 | 60,138 |
| States of Mexico | 0 | - | 4.96 | 176,881 |
| Midwestern States of the U.S. | 0 | - | 4.88 | 13,929 |
| U.S. Cities Chain | 0 | - | 4.21 | 35,590 |
| ALL California Cities | 0 | - | 4.37 | 43,118 |
| U.S. Cities with the Least Precipitation | 0 | - | 4.42 | 12,470 |
| South American Capitals - Map Quiz | 0 | - | 4.98 | 130,820 |
| Most-Visited Countries by Americans | 0 | - | 4.86 | 109,982 |
| Countries that Visit the United States the Most | 0 | - | 4.96 | 92,029 |
| Most-Visited Countries by Canadians | 0 | - | 4.83 | 39,462 |
| Countries Closest to Canada | 0 | - | 4.91 | 198,631 |
| Mexico Cities Map Quiz | 0 | - | 4.83 | 38,694 |
| All 3,143 Counties of the United States on a Map | 0 | - | 4.97 | 333,334 |
| Pixelated United States Map | 0 | - | 4.88 | 94,494 |
| Biggest Countries by Population | 0 | - | 5.00 | 1,448,906 |
| Smallest Countries by Population and Area | 0 | - | 4.99 | 381,146 |
| Countries More Populous Than Their Neighbors | 0 | - | 4.99 | 174,017 |
| Countries with Megacities | 0 | - | 4.99 | 264,864 |
| Countries With More than 50 Million People | 0 | - | 4.99 | 199,852 |
| Countries with the Most Population Growth by Decade | 0 | - | 4.98 | 113,538 |
| Countries With More than 200 Million People | 0 | - | 4.95 | 138,111 |
| Countries Less Populous Than Their Neighbors | 0 | - | 4.96 | 81,615 |
| 5 Largest Cities for Every Letter on Map | 0 | - | 4.97 | 51,631 |
| Biggest Cities in the World | 0 | - | 4.91 | 801,449 |
| Biggest Cities once in the Spanish Empire | 0 | - | 4.87 | 56,322 |
| U.S. Cities With Population > 1 Million | 0 | - | 4.43 | 90,744 |
| U.S. States by Second Most Populous City | 0 | - | 4.42 | 44,065 |
| Biggest "Saint" Cities - United States | 0 | - | 4.46 | 36,901 |
| Fastest Shrinking U.S. Cities | 0 | - | 4.44 | 40,451 |
| Most Populous U.S. Cities as a Percent of Their State | 0 | - | 4.78 | 55,267 |
| US State Capitals by Proximity in 30 Seconds | 0 | - | 4.17 | 129,511 |
| US State Capitals by First Two Letters in 45 seconds | 0 | - | 4.09 | 58,188 |
| U.S State Capitals on the Sea | 0 | - | 4.53 | 26,226 |
| U.S. State Capital Etymology | 0 | - | 4.53 | 36,996 |
| Name a Valid U.S. State Capital #1 | 0 | - | 4.75 | 54,594 |
| U.S. State Capitals Closest to Canada | 0 | - | 4.64 | 34,001 |
| Countries Closest to United States by Continent | 0 | - | 4.99 | 146,736 |
| Countries that Beat the United States | 0 | - | 4.93 | 167,875 |
| Countries that Beat Canada | 0 | - | 4.91 | 98,549 |
| Top 10 Most-Visited U.S. States | 0 | - | 4.90 | 101,967 |
| 10 Longest Rivers in the United States | 0 | - | 4.85 | 39,250 |
| U.S. States with the Most Immigrants | 0 | - | 4.85 | 82,624 |
| New England States | 0 | - | 4.51 | 59,839 |
| U.S. States by Land Area | 0 | - | 4.63 | 52,910 |
| Top 10 U.S. States by Inland Water Area | 0 | - | 4.53 | 38,043 |
| Add a Letter - Make a U.S. State | 0 | - | 4.70 | 82,932 |
| Top 10 Widest U.S. States East to West | 0 | - | 4.70 | 56,132 |
| Top 10 Tallest U.S. States North to South | 0 | - | 4.74 | 41,016 |
| U.S. States by Borders | 0 | - | 4.61 | 35,383 |
| Save Americans by Guessing U.S. States | 0 | - | 4.63 | 186,584 |
| 10 Easternmost U.S. States | 0 | - | 4.53 | 56,551 |
| The Only U.S. State ... #1 | 0 | - | 4.52 | 102,156 |
| Capitals of the Most Populated Countries | 0 | - | 4.96 | 128,103 |
| Five Most Densely Populated Countries by Continent | 0 | - | 4.96 | 86,985 |
| Five Most Populated Countries by Continent | 0 | - | 4.99 | 268,299 |
| Most Populous Countries with Exceptions | 0 | - | 4.98 | 122,222 |
| Top 10 Most Densely-Populated Countries in Europe | 0 | - | 4.98 | 112,604 |
| Five Least Densely Populated Countries by Continent | 0 | - | 4.92 | 93,781 |
| Shrinking U.S. States | 0 | - | 4.38 | 40,384 |
| Countries by Population Range - Tile Select | 0 | - | 4.87 | 59,258 |
| Biggest City by Time Zone | 0 | - | 4.88 | 68,372 |
| Biggest City in Every Country | 0 | - | 4.98 | 101,185 |
| Five Most Populated Cities by Continent | 0 | - | 4.92 | 226,092 |
| Biggest Cities in the World - Extreme | 0 | - | 4.98 | 110,844 |
| Biggest Cities That Aren't World Capitals | 0 | - | 4.95 | 144,179 |
| Biggest Cities with Exceptions | 0 | - | 4.90 | 80,251 |
| Biggest Cities in the Southern Hemisphere | 0 | - | 4.87 | 84,844 |
| 100 Biggest Cities on a World Map | 0 | - | 4.99 | 418,965 |
| Ten Biggest Cities by Hemisphere | 0 | - | 4.96 | 80,411 |
| Biggest Cities in Deserts | 0 | - | 4.97 | 60,230 |
| Most Populous Cities as a Percent of Their Continent | 0 | - | 4.91 | 70,344 |
| Ten Southernmost Megacities | 0 | - | 4.87 | 64,877 |
| 100 Biggest Cities in the World with Exceptions | 0 | - | 4.98 | 67,965 |
| Biggest Cities in 4 Random Countries on a Map | 0 | - | 4.99 | 131,247 |
| 5 Most Populous Cities in Each Country With a Map | 0 | - | 4.96 | 39,726 |
| Biggest Cities in the United States | 0 | - | 4.94 | 981,629 |
| Biggest Metro Areas in the USA | 0 | - | 4.98 | 366,900 |
| American TV Show Settings | 0 | - | 4.35 | 30,666 |
| Category Elimination - U.S. Metro Areas | 0 | - | 4.41 | 26,810 |
| Name a City - European Countries | 0 | - | 4.90 | 65,673 |
| All 3,142 County Seats of the United States on a Map | 0 | - | 4.30 | 12,200 |
| Africa Capitals Quiz | 0 | - | 4.99 | 740,099 |
| Asia Capitals Quiz | 0 | - | 4.98 | 695,079 |
| U.S. State Capitals with the Highest Elevation | 0 | - | 4.56 | 22,645 |
| Top 10 Most Remote U.S. State Capitals | 0 | - | 4.40 | 32,255 |
| U.S. State Capitals Furthest from the Sea | 0 | - | 4.49 | 26,080 |
| Events by U.S. State #1 | 0 | - | 4.43 | 22,931 |
| Top 10 Coldest U.S. States | 0 | - | 4.94 | 125,354 |
| Top 10 Hottest U.S. States | 0 | - | 4.86 | 125,995 |
| Top 10 U.S. States with the Least Precipitation | 0 | - | 4.82 | 62,027 |
| Biggest Cities in History | 0 | - | 4.52 | 90,330 |
| Top 10 World Cities Through History | 0 | - | 4.43 | 78,278 |
| All 1M Cities by Proximity | 0 | - | 5.00 | 579,684 |
| Biggest World Cities in 1850 | 0 | - | 4.61 | 68,554 |
| Cities Founded by the French in North America | 0 | - | 4.50 | 40,442 |
| California Cities starting with SAN or SANTA | 0 | - | 4.33 | 18,553 |
| Word Scramble - U.S. Cities | 0 | - | 4.13 | 19,835 |
| U.S. City Name Etymologies | 0 | - | 4.15 | 21,550 |
| All Cities in Canada on a Map | 0 | - | 4.41 | 18,542 |
| Random State Capital to U.S. State | 0 | - | 4.85 | 89,268 |
| Belize Country Quiz | 0 | - | 4.85 | 21,020 |
| Saint Vincent and the Grenadines Country Quiz | 0 | - | 4.88 | 19,246 |
| Flags of North and South America | 0 | - | 4.99 | 374,545 |
| U.S. States with the Longest International Borders | 0 | - | 4.78 | 45,856 |
| Longest U.S. State Borders | 0 | - | 4.67 | 39,949 |
| U.S. States with the Fewest Immigrants | 0 | - | 4.63 | 65,909 |
| U.S. States with the Highest Percentage of Farmland | 0 | - | 4.80 | 65,542 |
| U.S. States with the Lowest Percentage of Farmland | 0 | - | 4.74 | 55,253 |
| States and Provinces that touch the Rocky Mountains | 0 | - | 4.43 | 32,518 |
| U.S. License Plates Picture Quiz | 0 | - | 4.61 | 52,998 |
| 10 U.S. States With The Highest Murder Rates | 0 | - | 4.47 | 54,560 |
| 10 U.S. States With The Lowest Murder Rates | 0 | - | 4.48 | 52,219 |
| Name a Valid U.S. State #2 | 0 | - | 4.63 | 77,171 |
| Name a Valid U.S. State #3 | 0 | - | 4.78 | 49,120 |
| U.S. State Superlatives #1 | 0 | - | 4.47 | 87,587 |
| U.S. State Superlatives #2 | 0 | - | 4.53 | 40,678 |
| Most Populous Countries by Year | 0 | - | 4.83 | 110,915 |
| Most Populated Countries Bordering the Pacific Ocean | 0 | - | 4.97 | 95,722 |
| Most Populous Countries Bordering Each Other | 0 | - | 4.97 | 130,780 |
| Countries with the Most People Bordering Them | 0 | - | 4.98 | 108,200 |
| Populous Countries Bordering Smaller Countries | 0 | - | 4.97 | 113,363 |
| Densest Countries Bordering Each Other | 0 | - | 4.93 | 90,526 |
| Countries with a Population Under 1 Million by Clue | 0 | - | 4.99 | 93,007 |
| Biggest Spanish-Speaking Cities | 0 | - | 4.91 | 129,119 |
| Biggest Cities by Language | 0 | - | 4.96 | 247,061 |
| Biggest English Cities by Century | 0 | - | 4.90 | 106,503 |
