| Capitals of Canadian Provinces | 0 | - | 4.85 | 88,367 |
| Countries of Europe by Population | 0 | - | 4.98 | 177,934 |
| Top 10 Most Populous European Countries | 0 | - | 4.98 | 230,846 |
| Top 10 Most Populous Asian Countries | 0 | - | 4.96 | 181,926 |
| Top 10 Most Populous African Countries | 0 | - | 4.99 | 191,790 |
| Top 10 Most Densely-Populated Countries in Asia | 0 | - | 4.92 | 102,953 |
| Top 10 Asian Countries by Population Increase | 0 | - | 4.93 | 107,806 |
| Top 10 Least Populous U.S. States | 0 | - | 4.94 | 190,349 |
| Top 10 Most Populous U.S. States | 0 | - | 4.97 | 172,286 |
| Most-Visited U.S. Cities | 0 | - | 4.85 | 92,286 |
| Every U.S. Metro Area on a Map | 0 | - | 4.97 | 80,698 |
| Total United States Immigration by Country | 0 | - | 4.91 | 110,617 |
| "Do Not Travel" Countries for U.S. Citizens | 0 | - | 4.97 | 240,728 |
| U.S. States with the Lowest Population Density | 0 | - | 4.92 | 93,592 |
| Biggest Cities in the U.S. - Extreme | 0 | - | 4.96 | 158,220 |
| 15 Largest Cities in North America With a Map | 0 | - | 4.98 | 46,422 |
| Biggest Cities in Each U.S. State - Extreme | 0 | - | 4.93 | 78,687 |
| 10 Biggest Cities by U.S. State | 0 | - | 4.95 | 40,727 |
| 500 Biggest U.S. Urban Areas | 0 | - | 4.90 | 115,439 |
| 100 Biggest Cities in North America on a Map | 0 | - | 4.84 | 61,496 |
| Most-Visited Countries by Americans | 0 | - | 4.87 | 108,413 |
| Countries that Visit the United States the Most | 0 | - | 4.96 | 90,813 |
| U.S. State Capitals Quiz | 0 | - | 5.00 | 1,677,128 |
| Most Guessed U.S. Cities | 0 | - | 4.88 | 104,860 |
| U.S. Cities with the Biggest Economies | 0 | - | 4.83 | 72,038 |
| US State Capitals Quiz - No Hints | 0 | - | 4.98 | 94,502 |
| 10 Westernmost U.S. State Capitals | 0 | - | 4.90 | 47,871 |
| Countries Closest to United States by Continent | 0 | - | 4.99 | 145,365 |
| Countries that Beat the United States | 0 | - | 4.93 | 165,503 |
| South America Capitals Quiz | 0 | - | 5.00 | 477,071 |
| U.S. State Capitals Map Quiz | 0 | - | 4.93 | 142,306 |
| US States Quiz | 0 | - | 5.00 | 16,692,839 |
| Countries With More Than 100 Million People | 0 | - | 4.99 | 164,552 |
| Fastest Growing U.S. States Since 1960 | 0 | - | 4.48 | 75,779 |
| Five Most Populated Countries by Hemisphere | 0 | - | 4.96 | 122,906 |
| Top 50 Countries by Population - In Order | 0 | - | 4.98 | 323,481 |
| States of the U.S. in Alphabetical Order | 0 | - | 4.98 | 365,195 |
| Mexico States Map Quiz | 0 | - | 4.84 | 103,750 |
| Name the U.S. National Parks | 0 | - | 4.86 | 58,758 |
| States of Mexico | 0 | - | 4.95 | 173,264 |
| All 3,143 Counties of the United States on a Map | 0 | - | 4.97 | 327,814 |
| U.S. States with the Highest Population Density | 0 | - | 4.47 | 68,270 |
| Biggest Countries by Population | 0 | - | 5.00 | 1,434,491 |
| Smallest Countries by Population and Area | 0 | - | 4.99 | 377,478 |
| Countries More Populous Than Their Neighbors | 0 | - | 4.99 | 171,000 |
| Countries with Megacities | 0 | - | 4.99 | 246,523 |
| Countries With More than 50 Million People | 0 | - | 4.99 | 196,917 |
| Countries with the Most Population Growth by Decade | 0 | - | 4.98 | 111,799 |
| Countries With More than 200 Million People | 0 | - | 4.96 | 135,370 |
| Countries Less Populous Than Their Neighbors | 0 | - | 4.96 | 79,756 |
| Biggest Cities in the World | 0 | - | 4.92 | 789,975 |
| U.S Cities by African-American Population | 0 | - | 4.42 | 94,702 |
| 1M Cities by Proximity - United States | 0 | - | 4.55 | 149,667 |
| Biggest Cities in a Strip of the United States Map | 0 | - | 4.73 | 40,582 |
| Cities on Route 66 on a Map | 0 | - | 4.53 | 32,789 |
| South American Capitals - Map Quiz | 0 | - | 4.98 | 129,402 |
| Nordic Countries and Capitals | 0 | - | 4.95 | 82,992 |
| Random European Capital to Country | 0 | - | 4.98 | 189,146 |
| Random European Country to Capital | 0 | - | 4.92 | 147,396 |
| Random Asian Country to Capital | 0 | - | 4.92 | 95,340 |
| Random Asian Capital to Country | 0 | - | 4.97 | 101,369 |
| Random African Capital to Country | 0 | - | 4.97 | 99,710 |
| Random African Country to Capital | 0 | - | 4.94 | 70,196 |
| Countries with American Expatriates | 0 | - | 4.53 | 42,468 |
| Countries Closest to Canada | 0 | - | 4.90 | 197,316 |
| United States Country Quiz | 0 | - | 4.43 | 100,540 |
| Pixelated United States Map | 0 | - | 4.89 | 93,437 |
| The 13 Colonies Quiz | 0 | - | 4.97 | 116,680 |
| U.S. States with the Letter Y | 0 | - | 4.85 | 110,319 |
| 10 Southernmost U.S. States | 0 | - | 4.88 | 112,366 |
| U.S. States with Short Names | 0 | - | 4.91 | 147,603 |
| U.S. States that Start with M | 0 | - | 4.93 | 185,864 |
| U.S. States By Population | 0 | - | 4.92 | 152,324 |
| U.S. States that Start with N | 0 | - | 4.95 | 170,355 |
| U.S. States with Longest Names | 0 | - | 4.84 | 43,833 |
| U.S. States with a Unique First Letter | 0 | - | 4.96 | 87,513 |
| 10 Westernmost U.S. States | 0 | - | 4.95 | 63,743 |
| The Only Remaining U.S. State . . . | 0 | - | 4.92 | 64,855 |
| U.S. Cities With Population > 1 Million | 0 | - | 4.47 | 84,207 |
| U.S. States by Second Most Populous City | 0 | - | 4.42 | 43,684 |
| Biggest "Saint" Cities - United States | 0 | - | 4.46 | 36,600 |
| Fastest Shrinking U.S. Cities | 0 | - | 4.43 | 40,160 |
| Most Populous U.S. Cities as a Percent of Their State | 0 | - | 4.78 | 54,858 |
| U.S. Cities with the Highest Murder Rate | 0 | - | 4.55 | 137,648 |
| Random U.S. City to State | 0 | - | 4.45 | 75,287 |
| Richest Metro Areas in the U.S. | 0 | - | 4.42 | 43,174 |
| U.S. State Capitals Closest to Canada | 0 | - | 4.63 | 33,839 |
| Countries Closest to the U. S. | 0 | - | 4.41 | 207,792 |
| Countries that Beat Canada | 0 | - | 4.90 | 86,830 |
| Top 10 Most-Visited U.S. States | 0 | - | 4.90 | 101,059 |
| 10 Longest Rivers in the United States | 0 | - | 4.85 | 38,792 |
| U.S. States with the Most Immigrants | 0 | - | 4.85 | 81,917 |
| US States with an Empty Map | 0 | - | 5.00 | 618,555 |
| U.S. States or European Countries by Area | 0 | - | 4.94 | 94,658 |
| Louisiana Purchase with a Map | 0 | - | 4.96 | 47,537 |
| U.S. States or European Countries by Population | 0 | - | 4.97 | 131,878 |
| Capitals of the Most Populated Countries | 0 | - | 4.96 | 127,078 |
| Five Most Densely Populated Countries by Continent | 0 | - | 4.95 | 85,779 |
| Five Most Populated Countries by Continent | 0 | - | 4.99 | 265,828 |
| Most Populous Countries with Exceptions | 0 | - | 4.98 | 120,826 |
| Top 10 Most Densely-Populated Countries in Europe | 0 | - | 4.98 | 111,442 |
| Five Least Densely Populated Countries by Continent | 0 | - | 4.92 | 92,542 |
| Countries by Population Range - Tile Select | 0 | - | 4.87 | 58,207 |
| Biggest City by Time Zone | 0 | - | 4.87 | 66,600 |
| Biggest City in Every Country | 0 | - | 4.98 | 98,589 |
| Five Most Populated Cities by Continent | 0 | - | 4.93 | 221,777 |
| Biggest Cities in the World - Extreme | 0 | - | 4.98 | 108,799 |
| Biggest Cities That Aren't World Capitals | 0 | - | 4.96 | 129,908 |
| Biggest Cities with Exceptions | 0 | - | 4.90 | 78,442 |
| Biggest Cities in the Southern Hemisphere | 0 | - | 4.87 | 83,483 |
| 100 Biggest Cities on a World Map | 0 | - | 4.99 | 413,482 |
| Ten Biggest Cities by Hemisphere | 0 | - | 4.96 | 78,527 |
| Biggest Cities in Deserts | 0 | - | 4.97 | 53,022 |
| Most Populous Cities as a Percent of Their Continent | 0 | - | 4.91 | 69,129 |
| Ten Southernmost Megacities | 0 | - | 4.85 | 56,710 |
| 100 Biggest Cities in the World with Exceptions | 0 | - | 4.97 | 66,638 |
| Biggest Cities in 4 Random Countries on a Map | 0 | - | 4.99 | 128,476 |
| Biggest Cities in the United States | 0 | - | 4.93 | 966,127 |
| Biggest Metro Areas in the USA | 0 | - | 4.98 | 363,686 |
| Five Biggest Cities by Country - Extreme | 0 | - | 4.96 | 40,727 |
| Cities Founded by the French in North America | 0 | - | 4.50 | 40,275 |
| Name a City - European Countries | 0 | - | 4.92 | 64,340 |
| Africa Capitals Quiz | 0 | - | 4.99 | 729,924 |
| Asia Capitals Quiz | 0 | - | 4.98 | 685,539 |
| Speed Capital to U.S. State | 0 | - | 4.46 | 113,505 |
| 10 Southernmost U.S. State Capitals | 0 | - | 4.51 | 38,901 |
| 10 Northernmost U.S. State Capitals | 0 | - | 4.57 | 35,651 |
| 10 Easternmost U.S. State Capitals | 0 | - | 4.50 | 34,517 |
| Boroughs of New York City | 0 | - | 4.47 | 84,077 |
| Name a Valid U.S. State #1 | 0 | - | 4.93 | 206,600 |
| Top 10 Coldest U.S. States | 0 | - | 4.94 | 123,833 |
| Top 10 Hottest U.S. States | 0 | - | 4.86 | 124,622 |
| Top 10 Most Native American U.S. States | 0 | - | 4.87 | 91,009 |
| Top 10 U.S. States with the Least Precipitation | 0 | - | 4.82 | 61,530 |
| Most Populous Countries by Year | 0 | - | 4.83 | 109,150 |
| Most Populated Countries Bordering the Pacific Ocean | 0 | - | 4.96 | 95,114 |
| Most Populous Countries Bordering Each Other | 0 | - | 4.97 | 129,262 |
| Countries with the Most People Bordering Them | 0 | - | 4.98 | 106,858 |
| Populous Countries Bordering Smaller Countries | 0 | - | 4.97 | 112,359 |
| Densest Countries Bordering Each Other | 0 | - | 4.93 | 89,538 |
| Countries with a Population Under 1 Million by Clue | 0 | - | 4.99 | 92,256 |
| Biggest Spanish-Speaking Cities | 0 | - | 4.91 | 126,363 |
| Biggest Cities by Language | 0 | - | 4.96 | 230,801 |
| Largest City by Island | 0 | - | 4.87 | 71,007 |
| Biggest Cities in Europe in 1700 | 0 | - | 4.92 | 70,355 |
| Most Populous World Capitals | 0 | - | 4.94 | 174,498 |
| Biggest European Cities by Century | 0 | - | 4.98 | 142,354 |
| Megacities on a World Map | 0 | - | 4.98 | 250,824 |
| All 1M Cities by Proximity | 0 | - | 5.00 | 573,029 |
| 2,000 Biggest World Cities Furthest from a Larger City | 0 | - | 4.98 | 66,768 |
| All 3M Cities on the World Map | 0 | - | 4.95 | 73,829 |
| Every 1,000,000+ City on a Map | 0 | - | 4.99 | 112,642 |
| Biggest City in Each U.S. State | 0 | - | 4.84 | 167,108 |
| Most Populous Countries in 2050 | 0 | - | 4.91 | 221,403 |
| First Countries to Reach 5 Million People | 0 | - | 4.92 | 134,239 |
| Most Populous Modern-Day Countries in 1000 AD | 0 | - | 4.87 | 75,220 |
| Most Populous Modern-Day Countries in 1 AD | 0 | - | 4.97 | 83,564 |
| Most Populous Modern-Day Countries in 1800 AD | 0 | - | 4.93 | 66,530 |
| Most Populous Modern-Day Countries in 1500 AD | 0 | - | 4.93 | 72,766 |
| Most Populous Modern-Day Countries by Century | 0 | - | 4.98 | 96,162 |
| 15 Largest Cities in Africa With a Map | 0 | - | 4.95 | 109,314 |
| Most-Visited Cities in Europe | 0 | - | 4.82 | 73,750 |
| Cities in U.S. History #1 | 0 | - | 4.25 | 42,528 |
| Europe Capital to Country | 0 | - | 4.99 | 247,446 |
| Asia Capital to Country | 0 | - | 4.96 | 125,705 |
| EU Capitals with No Hints | 0 | - | 4.96 | 144,396 |
| European Capitals by Map | 0 | - | 4.99 | 136,144 |
| African Capitals by Map | 0 | - | 4.99 | 132,110 |
| World Capitals by First Two Letters in 90 Seconds | 0 | - | 4.35 | 245,792 |
| Asian Capitals by Map | 0 | - | 4.98 | 61,065 |
| 10 Westernmost Capital Cities in Europe | 0 | - | 4.88 | 91,142 |
| 10 Northernmost Capital Cities in Europe | 0 | - | 4.96 | 83,575 |
| European Coastal Capitals | 0 | - | 4.95 | 89,711 |
| 10 Easternmost Capital Cities in Asia | 0 | - | 4.89 | 52,169 |
| Capitals of Oceania Quiz | 0 | - | 4.99 | 266,633 |
| Europe by Capitals and Borders in 30 Seconds | 0 | - | 4.88 | 221,684 |
| Capitals of Mediterranean Countries | 0 | - | 4.95 | 81,406 |
| U.S. Suburbs Quiz | 0 | - | 4.47 | 18,337 |
| Canada or Africa by Area | 0 | - | 4.77 | 18,055 |
| Countries with the Highest Population Density | 0 | - | 4.94 | 164,071 |
| Countries with the Lowest Population Density | 0 | - | 4.98 | 169,039 |
| Belize Country Quiz | 0 | - | 4.85 | 20,792 |
| Flags of North and South America | 0 | - | 4.99 | 366,720 |
| Most Populous Country by First Two Letters | 0 | - | 4.70 | 70,649 |
| Demographics Multiple Choice | 0 | - | 4.69 | 42,082 |
| U.S. Cities by Hispanic Population | 0 | - | 4.31 | 37,979 |
| 100 Biggest Cities in Europe with a Map | 0 | - | 4.97 | 341,877 |
| U.S. Cities Chain | 0 | - | 4.21 | 35,128 |
| ALL California Cities | 0 | - | 4.36 | 42,809 |
| U.S. Cities with the Least Precipitation | 0 | - | 4.42 | 12,386 |
| Top 10 Oldest U.S. State Capitals | 0 | - | 4.55 | 31,916 |
| U.S. State Capital Etymology | 0 | - | 4.50 | 36,783 |
| Name a Valid U.S. State Capital #1 | 0 | - | 4.75 | 54,324 |
| Biggest Trading Partners - United States | 0 | - | 4.63 | 106,334 |
| Most Populous Islands of Europe | 0 | - | 4.56 | 25,717 |
| Flags of Countries With More Than 100 Million People | 0 | - | 4.97 | 158,341 |
| Five Most Populated Countries on a Multicolored World Map | 0 | - | 4.98 | 73,115 |
| Least Dense Countries Bordering Each Other | 0 | - | 4.85 | 22,911 |
| Biggest US Cities by Decade | 0 | - | 4.95 | 166,967 |
| Biggest Cities in Latin America | 0 | - | 4.48 | 64,466 |
