| Top 10 Least Populous U.S. States | 0 | - | 4.94 | 191,947 |
| Top 10 Most Populous U.S. States | 0 | - | 4.97 | 176,319 |
| Most-Visited U.S. Cities | 0 | - | 4.85 | 94,160 |
| Every U.S. Metro Area on a Map | 0 | - | 4.97 | 81,977 |
| U.S. States with the Lowest Population Density | 0 | - | 4.92 | 93,960 |
| U.S. State Capitals Quiz | 0 | - | 5.00 | 1,692,423 |
| Most Guessed U.S. Cities | 0 | - | 4.89 | 106,262 |
| U.S. Cities with the Biggest Economies | 0 | - | 4.83 | 72,962 |
| US State Capitals Quiz - No Hints | 0 | - | 4.98 | 95,290 |
| 10 Westernmost U.S. State Capitals | 0 | - | 4.90 | 48,180 |
| Louisiana Purchase with a Map | 0 | - | 4.96 | 48,818 |
| U.S. State Capitals Map Quiz | 0 | - | 4.93 | 144,861 |
| US States Quiz | 0 | - | 5.00 | 16,911,792 |
| States of the U.S. in Alphabetical Order | 0 | - | 4.98 | 367,715 |
| U.S. Cities With The Most Top Census Appearances | 0 | - | 4.68 | 11,242 |
| Capitals of Canadian Provinces | 0 | - | 4.85 | 89,227 |
| Fastest Growing U.S. States Since 1960 | 0 | - | 4.48 | 76,196 |
| Biggest Cities in the U.S. - Extreme | 0 | - | 4.95 | 159,519 |
| 15 Largest Cities in North America With a Map | 0 | - | 4.98 | 47,513 |
| Biggest Cities in Each U.S. State - Extreme | 0 | - | 4.91 | 82,935 |
| 10 Biggest Cities by U.S. State | 0 | - | 4.95 | 42,013 |
| 500 Biggest U.S. Urban Areas | 0 | - | 4.90 | 117,420 |
| 100 Biggest Cities in North America on a Map | 0 | - | 4.84 | 62,465 |
| The 13 Colonies Quiz | 0 | - | 4.97 | 118,109 |
| U.S. States with the Letter Y | 0 | - | 4.85 | 111,673 |
| 10 Southernmost U.S. States | 0 | - | 4.89 | 113,637 |
| U.S. States with Short Names | 0 | - | 4.91 | 149,287 |
| U.S. States that Start with M | 0 | - | 4.93 | 187,603 |
| U.S. States By Population | 0 | - | 4.92 | 153,716 |
| U.S. States that Start with N | 0 | - | 4.95 | 171,676 |
| U.S. States with Longest Names | 0 | - | 4.84 | 44,577 |
| U.S. States with a Unique First Letter | 0 | - | 4.96 | 88,471 |
| 10 Westernmost U.S. States | 0 | - | 4.95 | 64,317 |
| The Only Remaining U.S. State . . . | 0 | - | 4.93 | 65,770 |
| Cities in U.S. History #1 | 0 | - | 4.31 | 45,455 |
| US States with an Empty Map | 0 | - | 5.00 | 625,832 |
| U.S. States or European Countries by Area | 0 | - | 4.95 | 96,338 |
| U.S. States or European Countries by Population | 0 | - | 4.97 | 133,458 |
| Countries of Europe by Population | 0 | - | 4.98 | 181,380 |
| Biggest Cities in Europe in 1700 | 0 | - | 4.93 | 71,140 |
| Biggest European Cities by Century | 0 | - | 4.99 | 145,741 |
| 50 Biggest Cities in 1920 on a World Map | 0 | - | 4.99 | 78,007 |
| U.S Cities by African-American Population | 0 | - | 4.42 | 95,408 |
| 1M Cities by Proximity - United States | 0 | - | 4.63 | 150,806 |
| Biggest Cities in a Strip of the United States Map | 0 | - | 4.74 | 41,012 |
| Cities on Route 66 on a Map | 0 | - | 4.53 | 33,148 |
| Top 10 Oldest U.S. State Capitals | 0 | - | 4.55 | 32,112 |
| U.S. States with the Highest Population Density | 0 | - | 4.47 | 68,407 |
| U.S. Cities with the Highest Murder Rate | 0 | - | 4.55 | 138,770 |
| Random U.S. City to State | 0 | - | 4.45 | 76,490 |
| Name a Valid U.S. City over 100,000 | 0 | - | 4.42 | 40,323 |
| Richest Metro Areas in the U.S. | 0 | - | 4.42 | 43,851 |
| South America Capitals Quiz | 0 | - | 5.00 | 482,371 |
| Name a Valid U.S. State #1 | 0 | - | 4.93 | 209,394 |
| Top 10 Most Native American U.S. States | 0 | - | 4.87 | 92,299 |
| Top 10 Most Populous European Countries | 0 | - | 4.97 | 233,293 |
| Top 10 Most Populous Asian Countries | 0 | - | 4.97 | 184,189 |
| Top 10 Most Populous African Countries | 0 | - | 4.99 | 193,623 |
| Top 10 Most Densely-Populated Countries in Asia | 0 | - | 4.92 | 104,320 |
| Top 10 Asian Countries by Population Increase | 0 | - | 4.93 | 108,565 |
| Biggest US Cities by Decade | 0 | - | 4.95 | 168,506 |
| Speed Capital to U.S. State | 0 | - | 4.45 | 114,127 |
| 10 Southernmost U.S. State Capitals | 0 | - | 4.51 | 39,075 |
| 10 Northernmost U.S. State Capitals | 0 | - | 4.57 | 35,801 |
| 10 Easternmost U.S. State Capitals | 0 | - | 4.50 | 34,719 |
| Boroughs of New York City | 0 | - | 4.47 | 84,700 |
| Countries With More Than 100 Million People | 0 | - | 4.99 | 166,397 |
| Five Most Populated Countries by Hemisphere | 0 | - | 4.97 | 124,405 |
| Top 50 Countries by Population - In Order | 0 | - | 4.98 | 331,491 |
| World Capitals by First Two Letters in 90 Seconds | 0 | - | 4.35 | 246,547 |
| U.S. Suburbs Quiz | 0 | - | 4.47 | 18,413 |
| Total United States Immigration by Country | 0 | - | 4.91 | 111,839 |
| "Do Not Travel" Countries for U.S. Citizens | 0 | - | 4.97 | 244,735 |
| Mexico States Map Quiz | 0 | - | 4.84 | 104,953 |
| Name the U.S. National Parks | 0 | - | 4.86 | 60,090 |
| States of Mexico | 0 | - | 4.96 | 176,674 |
| Midwestern States of the U.S. | 0 | - | 4.88 | 13,901 |
| U.S. Cities Chain | 0 | - | 4.21 | 35,564 |
| ALL California Cities | 0 | - | 4.37 | 43,097 |
| U.S. Cities with the Least Precipitation | 0 | - | 4.42 | 12,465 |
| South American Capitals - Map Quiz | 0 | - | 4.98 | 130,734 |
| Most-Visited Countries by Americans | 0 | - | 4.86 | 109,911 |
| Countries that Visit the United States the Most | 0 | - | 4.96 | 91,965 |
| Most-Visited Countries by Canadians | 0 | - | 4.82 | 39,439 |
| Countries Closest to Canada | 0 | - | 4.91 | 198,553 |
| Mexico Cities Map Quiz | 0 | - | 4.83 | 38,641 |
| All 3,143 Counties of the United States on a Map | 0 | - | 4.97 | 332,970 |
| Pixelated United States Map | 0 | - | 4.88 | 94,431 |
| Biggest Countries by Population | 0 | - | 5.00 | 1,448,007 |
| Smallest Countries by Population and Area | 0 | - | 4.99 | 380,929 |
| Countries More Populous Than Their Neighbors | 0 | - | 4.99 | 173,853 |
| Countries with Megacities | 0 | - | 4.99 | 264,479 |
| Countries With More than 50 Million People | 0 | - | 4.99 | 199,712 |
| Countries with the Most Population Growth by Decade | 0 | - | 4.98 | 113,456 |
| Countries With More than 200 Million People | 0 | - | 4.95 | 137,975 |
| Countries Less Populous Than Their Neighbors | 0 | - | 4.96 | 81,519 |
| 5 Largest Cities for Every Letter on Map | 0 | - | 4.97 | 51,577 |
| Biggest Cities in the World | 0 | - | 4.91 | 800,712 |
| Biggest Cities once in the Spanish Empire | 0 | - | 4.87 | 56,284 |
| U.S. Cities With Population > 1 Million | 0 | - | 4.43 | 90,380 |
| U.S. States by Second Most Populous City | 0 | - | 4.42 | 44,047 |
| Biggest "Saint" Cities - United States | 0 | - | 4.46 | 36,887 |
| Fastest Shrinking U.S. Cities | 0 | - | 4.44 | 40,443 |
| Most Populous U.S. Cities as a Percent of Their State | 0 | - | 4.78 | 55,237 |
| US State Capitals by Proximity in 30 Seconds | 0 | - | 4.17 | 129,469 |
| US State Capitals by First Two Letters in 45 seconds | 0 | - | 4.09 | 58,176 |
| U.S State Capitals on the Sea | 0 | - | 4.53 | 26,215 |
| U.S. State Capital Etymology | 0 | - | 4.53 | 36,981 |
| Name a Valid U.S. State Capital #1 | 0 | - | 4.75 | 54,586 |
| U.S. State Capitals Closest to Canada | 0 | - | 4.64 | 33,993 |
| Countries Closest to United States by Continent | 0 | - | 4.99 | 146,652 |
| Countries that Beat the United States | 0 | - | 4.93 | 167,782 |
| Countries that Beat Canada | 0 | - | 4.91 | 98,434 |
| Top 10 Most-Visited U.S. States | 0 | - | 4.90 | 101,919 |
| 10 Longest Rivers in the United States | 0 | - | 4.85 | 39,224 |
| U.S. States with the Most Immigrants | 0 | - | 4.85 | 82,590 |
| New England States | 0 | - | 4.51 | 59,829 |
| U.S. States by Land Area | 0 | - | 4.61 | 52,878 |
| Top 10 U.S. States by Inland Water Area | 0 | - | 4.53 | 38,031 |
| Add a Letter - Make a U.S. State | 0 | - | 4.70 | 82,900 |
| Top 10 Widest U.S. States East to West | 0 | - | 4.70 | 56,103 |
| Top 10 Tallest U.S. States North to South | 0 | - | 4.74 | 40,996 |
| U.S. States by Borders | 0 | - | 4.61 | 35,368 |
| Save Americans by Guessing U.S. States | 0 | - | 4.63 | 186,368 |
| 10 Easternmost U.S. States | 0 | - | 4.53 | 56,536 |
| The Only U.S. State ... #1 | 0 | - | 4.52 | 102,137 |
| Capitals of the Most Populated Countries | 0 | - | 4.96 | 128,042 |
| Five Most Densely Populated Countries by Continent | 0 | - | 4.96 | 86,916 |
| Five Most Populated Countries by Continent | 0 | - | 4.99 | 268,164 |
| Most Populous Countries with Exceptions | 0 | - | 4.98 | 122,126 |
| Top 10 Most Densely-Populated Countries in Europe | 0 | - | 4.98 | 112,545 |
| Five Least Densely Populated Countries by Continent | 0 | - | 4.92 | 93,723 |
| Shrinking U.S. States | 0 | - | 4.38 | 40,374 |
| Countries by Population Range - Tile Select | 0 | - | 4.87 | 59,208 |
| Biggest City by Time Zone | 0 | - | 4.88 | 68,251 |
| Biggest City in Every Country | 0 | - | 4.98 | 100,989 |
| Five Most Populated Cities by Continent | 0 | - | 4.92 | 225,791 |
| Biggest Cities in the World - Extreme | 0 | - | 4.98 | 110,688 |
| Biggest Cities That Aren't World Capitals | 0 | - | 4.95 | 134,713 |
| Biggest Cities with Exceptions | 0 | - | 4.90 | 80,099 |
| Biggest Cities in the Southern Hemisphere | 0 | - | 4.87 | 84,744 |
| 100 Biggest Cities on a World Map | 0 | - | 4.99 | 418,639 |
| Ten Biggest Cities by Hemisphere | 0 | - | 4.96 | 80,221 |
| Biggest Cities in Deserts | 0 | - | 4.97 | 60,138 |
| Most Populous Cities as a Percent of Their Continent | 0 | - | 4.91 | 70,257 |
| Ten Southernmost Megacities | 0 | - | 4.87 | 64,795 |
| 100 Biggest Cities in the World with Exceptions | 0 | - | 4.98 | 67,869 |
| Biggest Cities in 4 Random Countries on a Map | 0 | - | 4.99 | 131,030 |
| 5 Most Populous Cities in Each Country With a Map | 0 | - | 4.96 | 39,683 |
| Biggest Cities in the United States | 0 | - | 4.94 | 980,755 |
| Biggest Metro Areas in the USA | 0 | - | 4.98 | 366,696 |
| American TV Show Settings | 0 | - | 4.35 | 30,660 |
| Category Elimination - U.S. Metro Areas | 0 | - | 4.41 | 26,793 |
| Name a City - European Countries | 0 | - | 4.90 | 65,582 |
| All 3,142 County Seats of the United States on a Map | 0 | - | 4.30 | 12,172 |
| Africa Capitals Quiz | 0 | - | 4.99 | 739,502 |
| Asia Capitals Quiz | 0 | - | 4.98 | 694,482 |
| U.S. State Capitals with the Highest Elevation | 0 | - | 4.56 | 22,640 |
| Top 10 Most Remote U.S. State Capitals | 0 | - | 4.40 | 32,249 |
| U.S. State Capitals Furthest from the Sea | 0 | - | 4.49 | 26,076 |
| Events by U.S. State #1 | 0 | - | 4.43 | 22,922 |
| Top 10 Coldest U.S. States | 0 | - | 4.94 | 125,254 |
| Top 10 Hottest U.S. States | 0 | - | 4.86 | 125,889 |
| Top 10 U.S. States with the Least Precipitation | 0 | - | 4.82 | 61,984 |
| Biggest Cities in History | 0 | - | 4.52 | 90,284 |
| Top 10 World Cities Through History | 0 | - | 4.43 | 78,038 |
| All 1M Cities by Proximity | 0 | - | 5.00 | 579,273 |
| Biggest World Cities in 1850 | 0 | - | 4.61 | 68,530 |
| Cities Founded by the French in North America | 0 | - | 4.50 | 40,433 |
| California Cities starting with SAN or SANTA | 0 | - | 4.33 | 18,545 |
| Word Scramble - U.S. Cities | 0 | - | 4.13 | 19,830 |
| U.S. City Name Etymologies | 0 | - | 4.15 | 21,543 |
| All Cities in Canada on a Map | 0 | - | 4.41 | 18,491 |
| Random State Capital to U.S. State | 0 | - | 4.84 | 89,204 |
| Belize Country Quiz | 0 | - | 4.85 | 21,010 |
| Saint Vincent and the Grenadines Country Quiz | 0 | - | 4.88 | 19,243 |
| Flags of North and South America | 0 | - | 4.99 | 374,129 |
| U.S. States with the Longest International Borders | 0 | - | 4.78 | 45,839 |
| Longest U.S. State Borders | 0 | - | 4.67 | 39,909 |
| U.S. States with the Fewest Immigrants | 0 | - | 4.63 | 65,874 |
| U.S. States with the Highest Percentage of Farmland | 0 | - | 4.80 | 65,529 |
| U.S. States with the Lowest Percentage of Farmland | 0 | - | 4.74 | 55,235 |
| States and Provinces that touch the Rocky Mountains | 0 | - | 4.43 | 32,513 |
| U.S. License Plates Picture Quiz | 0 | - | 4.61 | 52,981 |
| 10 U.S. States With The Highest Murder Rates | 0 | - | 4.47 | 54,510 |
| 10 U.S. States With The Lowest Murder Rates | 0 | - | 4.48 | 51,947 |
| Name a Valid U.S. State #2 | 0 | - | 4.63 | 77,136 |
| Name a Valid U.S. State #3 | 0 | - | 4.78 | 49,090 |
| U.S. State Superlatives #1 | 0 | - | 4.47 | 87,571 |
| U.S. State Superlatives #2 | 0 | - | 4.53 | 40,666 |
| Most Populous Countries by Year | 0 | - | 4.83 | 110,849 |
| Most Populated Countries Bordering the Pacific Ocean | 0 | - | 4.97 | 95,694 |
| Most Populous Countries Bordering Each Other | 0 | - | 4.97 | 130,704 |
| Countries with the Most People Bordering Them | 0 | - | 4.98 | 108,128 |
| Populous Countries Bordering Smaller Countries | 0 | - | 4.97 | 113,315 |
| Densest Countries Bordering Each Other | 0 | - | 4.93 | 90,472 |
| Countries with a Population Under 1 Million by Clue | 0 | - | 4.99 | 92,971 |
| Biggest Spanish-Speaking Cities | 0 | - | 4.91 | 129,026 |
| Biggest Cities by Language | 0 | - | 4.96 | 246,925 |
| Biggest English Cities by Century | 0 | - | 4.91 | 106,456 |
