| Countries of Europe by Population | 0 | - | 4.98 | 178,475 |
| Top 10 Most Populous European Countries | 0 | - | 4.97 | 231,248 |
| Top 10 Most Populous Asian Countries | 0 | - | 4.96 | 182,215 |
| Top 10 Most Populous African Countries | 0 | - | 4.99 | 192,052 |
| Top 10 Most Densely-Populated Countries in Asia | 0 | - | 4.92 | 103,107 |
| Top 10 Asian Countries by Population Increase | 0 | - | 4.93 | 107,891 |
| Top 10 Least Populous U.S. States | 0 | - | 4.94 | 190,592 |
| Top 10 Most Populous U.S. States | 0 | - | 4.97 | 172,953 |
| South America Capitals Quiz | 0 | - | 5.00 | 477,916 |
| U.S. States with the Lowest Population Density | 0 | - | 4.92 | 93,650 |
| Most-Visited U.S. Cities | 0 | - | 4.85 | 92,617 |
| Every U.S. Metro Area on a Map | 0 | - | 4.97 | 80,951 |
| Capitals of Canadian Provinces | 0 | - | 4.85 | 88,534 |
| Total United States Immigration by Country | 0 | - | 4.91 | 110,783 |
| "Do Not Travel" Countries for U.S. Citizens | 0 | - | 4.97 | 241,378 |
| Biggest Cities in the U.S. - Extreme | 0 | - | 4.96 | 158,451 |
| 15 Largest Cities in North America With a Map | 0 | - | 4.98 | 46,563 |
| Biggest Cities in Each U.S. State - Extreme | 0 | - | 4.93 | 78,834 |
| 10 Biggest Cities by U.S. State | 0 | - | 4.95 | 40,966 |
| 500 Biggest U.S. Urban Areas | 0 | - | 4.90 | 115,707 |
| 100 Biggest Cities in North America on a Map | 0 | - | 4.84 | 61,634 |
| South American Capitals - Map Quiz | 0 | - | 4.98 | 129,623 |
| Most-Visited Countries by Americans | 0 | - | 4.87 | 108,657 |
| Countries that Visit the United States the Most | 0 | - | 4.96 | 90,982 |
| U.S. State Capitals Quiz | 0 | - | 5.00 | 1,679,517 |
| Most Guessed U.S. Cities | 0 | - | 4.89 | 105,158 |
| U.S. Cities with the Biggest Economies | 0 | - | 4.84 | 72,192 |
| US State Capitals Quiz - No Hints | 0 | - | 4.98 | 94,652 |
| 10 Westernmost U.S. State Capitals | 0 | - | 4.90 | 47,927 |
| Countries Closest to United States by Continent | 0 | - | 4.99 | 145,572 |
| Countries that Beat the United States | 0 | - | 4.93 | 165,773 |
| U.S. State Capitals Map Quiz | 0 | - | 4.93 | 142,776 |
| Fastest Growing U.S. States Since 1960 | 0 | - | 4.48 | 75,838 |
| Saint Vincent and the Grenadines Country Quiz | 0 | - | 4.88 | 19,078 |
| US States Quiz | 0 | - | 5.00 | 16,729,203 |
| States of the U.S. in Alphabetical Order | 0 | - | 4.98 | 365,534 |
| Countries With More Than 100 Million People | 0 | - | 4.99 | 165,004 |
| Five Most Populated Countries by Hemisphere | 0 | - | 4.96 | 123,225 |
| Top 50 Countries by Population - In Order | 0 | - | 4.98 | 325,275 |
| Mexico States Map Quiz | 0 | - | 4.84 | 103,965 |
| Name the U.S. National Parks | 0 | - | 4.86 | 59,289 |
| States of Mexico | 0 | - | 4.95 | 173,811 |
| Biggest Cities in Latin America | 0 | - | 4.48 | 64,515 |
| U.S Cities by African-American Population | 0 | - | 4.42 | 95,053 |
| 1M Cities by Proximity - United States | 0 | - | 4.56 | 149,858 |
| Biggest Cities in a Strip of the United States Map | 0 | - | 4.73 | 40,652 |
| Cities on Route 66 on a Map | 0 | - | 4.53 | 32,859 |
| Nordic Countries and Capitals | 0 | - | 4.95 | 83,172 |
| Random European Capital to Country | 0 | - | 4.98 | 189,429 |
| Random European Country to Capital | 0 | - | 4.92 | 147,624 |
| Random Asian Country to Capital | 0 | - | 4.92 | 95,490 |
| Random Asian Capital to Country | 0 | - | 4.97 | 101,567 |
| Random African Capital to Country | 0 | - | 4.97 | 99,809 |
| Random African Country to Capital | 0 | - | 4.94 | 70,319 |
| Countries with American Expatriates | 0 | - | 4.53 | 42,489 |
| Countries Closest to Canada | 0 | - | 4.90 | 197,494 |
| United States Country Quiz | 0 | - | 4.43 | 100,755 |
| All 3,143 Counties of the United States on a Map | 0 | - | 4.97 | 328,747 |
| Pixelated United States Map | 0 | - | 4.89 | 93,614 |
| The 13 Colonies Quiz | 0 | - | 4.97 | 116,900 |
| U.S. States with the Letter Y | 0 | - | 4.85 | 110,519 |
| 10 Southernmost U.S. States | 0 | - | 4.88 | 112,569 |
| U.S. States with Short Names | 0 | - | 4.91 | 147,865 |
| U.S. States that Start with M | 0 | - | 4.93 | 186,113 |
| U.S. States By Population | 0 | - | 4.92 | 152,510 |
| U.S. States that Start with N | 0 | - | 4.95 | 170,554 |
| U.S. States with Longest Names | 0 | - | 4.84 | 43,966 |
| U.S. States with a Unique First Letter | 0 | - | 4.96 | 87,698 |
| 10 Westernmost U.S. States | 0 | - | 4.95 | 63,823 |
| The Only Remaining U.S. State . . . | 0 | - | 4.92 | 64,992 |
| U.S. States with the Highest Population Density | 0 | - | 4.47 | 68,287 |
| Biggest Countries by Population | 0 | - | 5.00 | 1,436,920 |
| Smallest Countries by Population and Area | 0 | - | 4.99 | 378,094 |
| Countries More Populous Than Their Neighbors | 0 | - | 4.99 | 171,724 |
| Countries with Megacities | 0 | - | 4.99 | 247,803 |
| Countries With More than 50 Million People | 0 | - | 4.99 | 197,593 |
| Countries with the Most Population Growth by Decade | 0 | - | 4.98 | 112,246 |
| Countries With More than 200 Million People | 0 | - | 4.96 | 135,973 |
| Countries Less Populous Than Their Neighbors | 0 | - | 4.96 | 80,194 |
| Biggest Cities in the World | 0 | - | 4.91 | 791,843 |
| 15 Largest Cities in South America With a Map | 0 | - | 4.95 | 124,553 |
| U.S. Cities With Population > 1 Million | 0 | - | 4.47 | 84,372 |
| U.S. States by Second Most Populous City | 0 | - | 4.42 | 43,745 |
| Biggest "Saint" Cities - United States | 0 | - | 4.46 | 36,653 |
| Fastest Shrinking U.S. Cities | 0 | - | 4.44 | 40,197 |
| Most Populous U.S. Cities as a Percent of Their State | 0 | - | 4.78 | 54,917 |
| U.S. Cities with the Highest Murder Rate | 0 | - | 4.55 | 137,945 |
| Random U.S. City to State | 0 | - | 4.45 | 75,454 |
| Richest Metro Areas in the U.S. | 0 | - | 4.42 | 43,293 |
| Countries Closest to the U. S. | 0 | - | 4.41 | 208,086 |
| Countries that Beat Canada | 0 | - | 4.90 | 86,957 |
| Top 10 Most-Visited U.S. States | 0 | - | 4.90 | 101,187 |
| 10 Longest Rivers in the United States | 0 | - | 4.85 | 38,854 |
| U.S. States with the Most Immigrants | 0 | - | 4.85 | 82,019 |
| US States with an Empty Map | 0 | - | 5.00 | 619,711 |
| U.S. States or European Countries by Area | 0 | - | 4.95 | 94,934 |
| Louisiana Purchase with a Map | 0 | - | 4.96 | 47,738 |
| U.S. States or European Countries by Population | 0 | - | 4.97 | 132,135 |
| Capitals of the Most Populated Countries | 0 | - | 4.96 | 127,241 |
| Five Most Densely Populated Countries by Continent | 0 | - | 4.95 | 86,086 |
| Five Most Populated Countries by Continent | 0 | - | 4.99 | 266,348 |
| Most Populous Countries with Exceptions | 0 | - | 4.98 | 121,075 |
| Top 10 Most Densely-Populated Countries in Europe | 0 | - | 4.98 | 111,583 |
| Five Least Densely Populated Countries by Continent | 0 | - | 4.92 | 92,865 |
| Countries by Population Range - Tile Select | 0 | - | 4.87 | 58,449 |
| Biggest City by Time Zone | 0 | - | 4.88 | 66,881 |
| Biggest City in Every Country | 0 | - | 4.98 | 98,995 |
| Five Most Populated Cities by Continent | 0 | - | 4.93 | 222,496 |
| Biggest Cities in the World - Extreme | 0 | - | 4.98 | 109,113 |
| Biggest Cities That Aren't World Capitals | 0 | - | 4.96 | 130,805 |
| Biggest Cities with Exceptions | 0 | - | 4.90 | 78,753 |
| Biggest Cities in the Southern Hemisphere | 0 | - | 4.87 | 83,681 |
| 100 Biggest Cities on a World Map | 0 | - | 4.99 | 414,288 |
| Ten Biggest Cities by Hemisphere | 0 | - | 4.96 | 78,785 |
| Biggest Cities in Deserts | 0 | - | 4.97 | 53,211 |
| Most Populous Cities as a Percent of Their Continent | 0 | - | 4.91 | 69,299 |
| Ten Southernmost Megacities | 0 | - | 4.85 | 56,850 |
| 100 Biggest Cities in the World with Exceptions | 0 | - | 4.98 | 66,862 |
| Biggest Cities in 4 Random Countries on a Map | 0 | - | 4.99 | 128,750 |
| Biggest Cities in the United States | 0 | - | 4.93 | 968,478 |
| Biggest Metro Areas in the USA | 0 | - | 4.98 | 364,213 |
| Five Biggest Cities by Country - Extreme | 0 | - | 4.96 | 40,898 |
| Name a City - European Countries | 0 | - | 4.92 | 64,604 |
| Africa Capitals Quiz | 0 | - | 4.99 | 731,602 |
| Asia Capitals Quiz | 0 | - | 4.98 | 687,139 |
| Name a Valid U.S. State #1 | 0 | - | 4.93 | 207,030 |
| Top 10 Coldest U.S. States | 0 | - | 4.94 | 124,014 |
| Top 10 Hottest U.S. States | 0 | - | 4.86 | 124,826 |
| Top 10 Most Native American U.S. States | 0 | - | 4.87 | 91,230 |
| Top 10 U.S. States with the Least Precipitation | 0 | - | 4.82 | 61,607 |
| All 1M Cities by Proximity | 0 | - | 5.00 | 574,059 |
| Colour in the Flag Map by Guessing Cities | 0 | - | 4.92 | 64,093 |
| Cities Founded by the French in North America | 0 | - | 4.50 | 40,297 |
| Cities in U.S. History #1 | 0 | - | 4.31 | 45,055 |
| World Capitals by First Two Letters in 90 Seconds | 0 | - | 4.35 | 245,984 |
| Speed Capital to U.S. State | 0 | - | 4.46 | 113,570 |
| 10 Southernmost U.S. State Capitals | 0 | - | 4.51 | 38,934 |
| 10 Northernmost U.S. State Capitals | 0 | - | 4.57 | 35,672 |
| 10 Easternmost U.S. State Capitals | 0 | - | 4.50 | 34,550 |
| Top 10 Oldest U.S. State Capitals | 0 | - | 4.55 | 31,950 |
| U.S. Suburbs Quiz | 0 | - | 4.47 | 18,346 |
| Boroughs of New York City | 0 | - | 4.47 | 84,193 |
| Biggest Trading Partners - United States | 0 | - | 4.63 | 106,403 |
| Cuba Country Quiz | 0 | - | 4.69 | 51,238 |
| Haiti Country Quiz | 0 | - | 4.79 | 32,404 |
| Jamaica Country Quiz | 0 | - | 4.58 | 34,900 |
| Belize Country Quiz | 0 | - | 4.85 | 20,835 |
| Flags of North and South America | 0 | - | 4.99 | 368,402 |
| Most Populous Countries by Year | 0 | - | 4.83 | 109,464 |
| Most Populated Countries Bordering the Pacific Ocean | 0 | - | 4.96 | 95,225 |
| Most Populous Countries Bordering Each Other | 0 | - | 4.97 | 129,549 |
| Countries with the Most People Bordering Them | 0 | - | 4.98 | 107,116 |
| Populous Countries Bordering Smaller Countries | 0 | - | 4.97 | 112,533 |
| Densest Countries Bordering Each Other | 0 | - | 4.93 | 89,736 |
| Countries with a Population Under 1 Million by Clue | 0 | - | 4.99 | 92,370 |
| Biggest Spanish-Speaking Cities | 0 | - | 4.91 | 126,901 |
| Biggest Cities by Language | 0 | - | 4.96 | 241,901 |
| Largest City by Island | 0 | - | 4.87 | 71,171 |
| Biggest Cities in Europe in 1700 | 0 | - | 4.92 | 70,478 |
| Most Populous World Capitals | 0 | - | 4.94 | 174,710 |
| Biggest European Cities by Century | 0 | - | 4.99 | 144,530 |
| U.S. Cities by Hispanic Population | 0 | - | 4.31 | 38,057 |
| Megacities on a World Map | 0 | - | 4.98 | 251,467 |
| 2,000 Biggest World Cities Furthest from a Larger City | 0 | - | 4.98 | 66,901 |
| All 3M Cities on the World Map | 0 | - | 4.95 | 74,010 |
| 100 Biggest Cities in Europe with a Map | 0 | - | 4.97 | 342,627 |
| Every 1,000,000+ City on a Map | 0 | - | 4.99 | 113,068 |
| Biggest City in Each U.S. State | 0 | - | 4.84 | 167,350 |
| Most Populous Countries in 2050 | 0 | - | 4.91 | 221,664 |
| First Countries to Reach 5 Million People | 0 | - | 4.92 | 134,458 |
| Most Populous Modern-Day Countries in 1000 AD | 0 | - | 4.87 | 75,388 |
| Most Populous Modern-Day Countries in 1 AD | 0 | - | 4.97 | 83,739 |
| Most Populous Modern-Day Countries in 1800 AD | 0 | - | 4.92 | 66,654 |
| Most Populous Modern-Day Countries in 1500 AD | 0 | - | 4.93 | 72,917 |
| Most Populous Modern-Day Countries by Century | 0 | - | 4.98 | 96,359 |
| U.S. Cities Chain | 0 | - | 4.21 | 35,205 |
| 15 Largest Cities in Africa With a Map | 0 | - | 4.95 | 109,512 |
| Most-Visited Cities in Europe | 0 | - | 4.82 | 74,087 |
| ALL California Cities | 0 | - | 4.37 | 42,867 |
| U.S. Cities with the Least Precipitation | 0 | - | 4.42 | 12,397 |
| Europe Capital to Country | 0 | - | 4.99 | 248,279 |
| Asia Capital to Country | 0 | - | 4.96 | 125,897 |
| EU Capitals with No Hints | 0 | - | 4.96 | 144,735 |
| European Capitals by Map | 0 | - | 4.99 | 136,880 |
| African Capitals by Map | 0 | - | 4.99 | 132,404 |
| Asian Capitals by Map | 0 | - | 4.98 | 61,415 |
| 10 Westernmost Capital Cities in Europe | 0 | - | 4.88 | 91,384 |
| 10 Northernmost Capital Cities in Europe | 0 | - | 4.96 | 83,764 |
| European Coastal Capitals | 0 | - | 4.95 | 89,913 |
| 10 Easternmost Capital Cities in Asia | 0 | - | 4.89 | 52,249 |
| Capitals of Oceania Quiz | 0 | - | 4.99 | 267,472 |
| Europe by Capitals and Borders in 30 Seconds | 0 | - | 4.88 | 222,203 |
| Capitals of Mediterranean Countries | 0 | - | 4.95 | 81,476 |
| U.S. State Capital Etymology | 0 | - | 4.50 | 36,810 |
| Name a Valid U.S. State Capital #1 | 0 | - | 4.75 | 54,381 |
| U.S. State Capitals Closest to Canada | 0 | - | 4.63 | 33,877 |
| Countries with the Highest Population Density | 0 | - | 4.95 | 164,282 |
| Countries with the Lowest Population Density | 0 | - | 4.98 | 169,302 |
| Most Populous Country by First Two Letters | 0 | - | 4.70 | 70,689 |
| Most Populous Islands of Europe | 0 | - | 4.56 | 25,739 |
