| Capitals of Canadian Provinces | 0 | - | 4.85 | 89,325 |
| North America Capitals Quiz | 0 | - | 4.99 | 220,858 |
| Most-Visited U.S. Cities | 0 | - | 4.85 | 94,323 |
| Every U.S. Metro Area on a Map | 0 | - | 4.97 | 82,123 |
| Canada Provinces Map Quiz | 0 | - | 4.99 | 642,188 |
| Most Guessed U.S. Cities | 0 | - | 4.89 | 106,475 |
| South America Capitals Quiz | 0 | - | 5.00 | 483,076 |
| US State Capitals Quiz - No Hints | 0 | - | 4.98 | 95,356 |
| 10 Westernmost U.S. State Capitals | 0 | - | 4.90 | 48,210 |
| Africa Capitals Quiz | 0 | - | 4.99 | 740,606 |
| Asia Capitals Quiz | 0 | - | 4.98 | 695,462 |
| United States Map Quiz | 0 | - | 4.98 | 4,164,742 |
| Southernmost Major Cities in the U.S. | 0 | - | 4.43 | 36,636 |
| North America Cities by Map | 0 | - | 4.41 | 47,868 |
| Name a City - European Countries | 0 | - | 4.90 | 65,766 |
| Most-Visited Countries by Canadians | 0 | - | 4.83 | 39,483 |
| Countries Closest to Canada | 0 | - | 4.91 | 198,684 |
| Top 10 Least Populous U.S. States | 0 | - | 4.94 | 192,044 |
| Top 10 Most Populous U.S. States | 0 | - | 4.97 | 176,688 |
| U.S Cities by African-American Population | 0 | - | 4.42 | 95,453 |
| 15 Largest Cities in Africa With a Map | 0 | - | 4.96 | 111,068 |
| 1M Cities by Proximity - United States | 0 | - | 4.63 | 150,922 |
| Most-Visited Cities in Europe | 0 | - | 4.83 | 75,536 |
| Biggest Cities in a Strip of the United States Map | 0 | - | 4.74 | 41,060 |
| Europe Capital to Country | 0 | - | 4.99 | 251,124 |
| Asia Capital to Country | 0 | - | 4.96 | 126,961 |
| EU Capitals with No Hints | 0 | - | 4.96 | 146,361 |
| European Capitals by Map | 0 | - | 4.99 | 140,487 |
| African Capitals by Map | 0 | - | 4.99 | 137,751 |
| Asian Capitals by Map | 0 | - | 4.98 | 62,959 |
| 10 Westernmost Capital Cities in Europe | 0 | - | 4.88 | 92,394 |
| 10 Northernmost Capital Cities in Europe | 0 | - | 4.96 | 84,730 |
| European Coastal Capitals | 0 | - | 4.95 | 90,915 |
| 10 Easternmost Capital Cities in Asia | 0 | - | 4.89 | 52,710 |
| Capitals of Oceania Quiz | 0 | - | 4.99 | 271,160 |
| Europe by Capitals and Borders in 30 Seconds | 0 | - | 4.88 | 224,831 |
| Capitals of Mediterranean Countries | 0 | - | 4.95 | 81,966 |
| Countries of North America Quiz | 0 | - | 5.00 | 1,026,799 |
| Canada Provinces and Territories | 0 | - | 5.00 | 344,172 |
| World Capitals Quiz | 0 | - | 5.00 | 5,088,169 |
| Central America and Caribbean Map Quiz | 0 | - | 4.89 | 903,161 |
| U.S. States with the Lowest Population Density | 0 | - | 4.92 | 93,988 |
| Official Cities in the UK | 0 | - | 4.89 | 284,856 |
| Northernmost Major Cities in the U.S. | 0 | - | 4.38 | 48,843 |
| U.S. Cities with the Most Homeless People | 0 | - | 4.31 | 33,590 |
| U.S. Cities with the Highest Murder Rate | 0 | - | 4.55 | 138,827 |
| African Capitals - Map Quiz | 0 | - | 4.94 | 62,787 |
| Top 10 Most Remote European Capitals | 0 | - | 4.87 | 94,269 |
| European Capitals - Map Quiz | 0 | - | 4.97 | 119,625 |
| Middle East Capital Cities Quiz | 0 | - | 4.96 | 88,096 |
| European Capitals Furthest from the Sea | 0 | - | 4.92 | 82,360 |
| Asian Capitals - Map Quiz | 0 | - | 4.95 | 61,623 |
| European Capitals Ending in N | 0 | - | 4.92 | 81,465 |
| North American Capitals - Map Quiz | 0 | - | 4.88 | 58,303 |
| U.S. Cities with the Most International Tourists | 0 | - | 4.88 | 75,665 |
| All First-Level Subdivisions of North America on a Map | 0 | - | 4.97 | 64,484 |
| U.S. State Border Crossings | 0 | - | 4.97 | 96,652 |
| Europe Capitals Quiz | 0 | - | 5.00 | 1,592,619 |
| Speed Capital to U.S. State | 0 | - | 4.45 | 114,178 |
| 10 Southernmost U.S. State Capitals | 0 | - | 4.51 | 39,085 |
| 10 Northernmost U.S. State Capitals | 0 | - | 4.57 | 35,819 |
| 10 Easternmost U.S. State Capitals | 0 | - | 4.50 | 34,732 |
| Which City in Canada? | 0 | - | 4.83 | 57,184 |
| States of the U.S. in Alphabetical Order | 0 | - | 4.98 | 367,927 |
| British Cities with the Most Tourists | 0 | - | 4.83 | 70,507 |
| Cities in U.S. History #1 | 0 | - | 4.31 | 45,475 |
| 100 Biggest Cities and Towns in the UK | 0 | - | 4.98 | 149,713 |
| World Capitals by First Two Letters in 90 Seconds | 0 | - | 4.35 | 246,601 |
| Name a Valid European Capital | 0 | - | 4.95 | 152,946 |
| European Capital Superlatives - Top 2 | 0 | - | 4.95 | 81,345 |
| U.S. Suburbs Quiz | 0 | - | 4.47 | 18,418 |
| Central American Countries | 0 | - | 4.98 | 156,889 |
| Caribbean Countries and Territories | 0 | - | 4.81 | 113,025 |
| Total United States Immigration by Country | 0 | - | 4.91 | 111,965 |
| "Do Not Travel" Countries for U.S. Citizens | 0 | - | 4.97 | 245,126 |
| Caribbean / Lesser Antilles Map Quiz | 0 | - | 4.99 | 149,266 |
| Mexico States Map Quiz | 0 | - | 4.84 | 105,270 |
| Name the U.S. National Parks | 0 | - | 4.86 | 60,177 |
| States of Mexico | 0 | - | 4.96 | 177,082 |
| South American Cities on the Map | 0 | - | 4.53 | 35,480 |
| Global Cities on a World Map | 0 | - | 4.93 | 136,699 |
| Northernmost Capital Cities | 0 | - | 4.98 | 110,655 |
| Most Remote Capital Cities | 0 | - | 4.92 | 53,625 |
| Capital Cities: Ports and Saints | 0 | - | 4.96 | 45,767 |
| Capitals with the Shortest Names | 0 | - | 4.97 | 109,624 |
| Same Letter Country and Capital | 0 | - | 4.99 | 157,479 |
| Countries by Capital City | 0 | - | 5.00 | 68,767 |
| Capital Cities Based on First Two Letters | 0 | - | 4.85 | 77,450 |
| Capitals of the Largest Countries by Area | 0 | - | 4.97 | 114,890 |
| World Capitals by Proximity | 0 | - | 4.90 | 332,458 |
| South American Capitals - Map Quiz | 0 | - | 4.98 | 130,887 |
| Divided Capital Name Puzzle #1 | 0 | - | 4.99 | 84,481 |
| Most Guessed European Capitals | 0 | - | 4.87 | 101,651 |
| Moved Capital Cities | 0 | - | 4.96 | 74,403 |
| Nordic Countries and Capitals | 0 | - | 4.95 | 83,852 |
| Random European Capital to Country | 0 | - | 4.98 | 191,585 |
| Random European Country to Capital | 0 | - | 4.93 | 165,488 |
| Random Asian Country to Capital | 0 | - | 4.92 | 96,769 |
| Random Asian Capital to Country | 0 | - | 4.97 | 103,077 |
| Random African Capital to Country | 0 | - | 4.97 | 100,988 |
| Random African Country to Capital | 0 | - | 4.94 | 71,465 |
| Melbourne Suburbs | 0 | - | 4.86 | 53,702 |
| Most-Visited Countries by Americans | 0 | - | 4.86 | 110,046 |
| Countries that Visit the United States the Most | 0 | - | 4.96 | 92,073 |
| Canada Country Quiz | 0 | - | 4.54 | 132,737 |
| Canada Cities Map Quiz | 0 | - | 4.64 | 124,406 |
| Pixelated United States Map | 0 | - | 4.88 | 94,518 |
| The 13 Colonies Quiz | 0 | - | 4.97 | 118,184 |
| U.S. States with the Letter Y | 0 | - | 4.85 | 111,796 |
| 10 Southernmost U.S. States | 0 | - | 4.89 | 113,731 |
| U.S. States with Short Names | 0 | - | 4.91 | 149,427 |
| U.S. States that Start with M | 0 | - | 4.93 | 187,746 |
| U.S. States By Population | 0 | - | 4.92 | 153,810 |
| U.S. States that Start with N | 0 | - | 4.95 | 171,802 |
| U.S. States with Longest Names | 0 | - | 4.84 | 44,635 |
| 10 Northernmost U.S. States | 0 | - | 4.90 | 82,743 |
| U.S. States with a Unique First Letter | 0 | - | 4.96 | 88,575 |
| 10 Westernmost U.S. States | 0 | - | 4.95 | 64,357 |
| The Only Remaining U.S. State . . . | 0 | - | 4.93 | 65,836 |
| Top 10 Largest U.S. States by Area | 0 | - | 4.95 | 160,337 |
| Top 10 Smallest U.S. States by Area | 0 | - | 4.98 | 177,982 |
| Top 10 Poorest U.S. States by Median Income | 0 | - | 4.86 | 125,449 |
| U.S. States with the Highest Percentage of Hispanics | 0 | - | 4.85 | 69,699 |
| Top 10 Newest U.S. States | 0 | - | 4.85 | 86,476 |
| Westernmost Cities in the U.S. | 0 | - | 4.36 | 16,476 |
| U.S. State Capitals Quiz | 0 | - | 5.00 | 1,693,987 |
| U.S. Cities with the Biggest Economies | 0 | - | 4.83 | 73,047 |
| World Capitals Closest to Bangkok | 0 | - | 4.91 | 41,062 |
| Random African Capitals on a Map | 0 | - | 4.96 | 55,001 |
| Random Asian Capitals on a Map | 0 | - | 4.82 | 51,150 |
| Random European Capitals on a Map | 0 | - | 4.97 | 135,041 |
| US State Capitals by Proximity in 30 Seconds | 0 | - | 4.17 | 129,525 |
| US State Capitals by First Two Letters in 45 seconds | 0 | - | 4.09 | 58,198 |
| U.S State Capitals on the Sea | 0 | - | 4.53 | 26,226 |
| Which City in Europe? | 0 | - | 4.83 | 107,651 |
| Countries that Beat the United States | 0 | - | 4.93 | 167,945 |
| Top 10 Most-Visited U.S. States | 0 | - | 4.90 | 102,004 |
| U.S. States with the Most Immigrants | 0 | - | 4.85 | 82,646 |
| Capitals of the Most Populated Countries | 0 | - | 4.96 | 128,130 |
| Fastest Growing U.S. States Since 1960 | 0 | - | 4.48 | 76,224 |
| North American Sports Cities | 0 | - | 4.83 | 172,731 |
| American TV Show Settings | 0 | - | 4.35 | 30,669 |
| Summer Olympic City Bids | 0 | - | 4.94 | 42,429 |
| Cities in European History #1 | 0 | - | 4.63 | 134,281 |
| European Cities by Map #2 | 0 | - | 4.49 | 47,394 |
| European Cities by Map #1 | 0 | - | 4.67 | 55,815 |
| Asian Cities by Map #1 | 0 | - | 4.50 | 40,912 |
| Mediterranean Cities by Map | 0 | - | 4.51 | 51,172 |
| Cities with the Most Metro Rail Stations | 0 | - | 4.89 | 102,652 |
| Cities in Squares on a Map - Europe | 0 | - | 4.70 | 54,165 |
| Cities by Former Name | 0 | - | 4.83 | 91,788 |
| Capitals in their Native Languages | 0 | - | 4.95 | 133,522 |
| Nearest Capital City #1 | 0 | - | 4.83 | 57,798 |
| Capitals Furthest from the Border | 0 | - | 4.96 | 69,481 |
| World Capitals by Map | 0 | - | 5.00 | 287,818 |
| Capital Cities in a Ring of the World Map | 0 | - | 4.95 | 58,545 |
| Random Capital to Country | 0 | - | 4.99 | 2,595,928 |
| Random Country to Capital | 0 | - | 4.98 | 923,726 |
| Capitals Starting With H | 0 | - | 4.91 | 92,796 |
| Capitals Starting With K | 0 | - | 4.88 | 83,852 |
| Capitals Starting With L | 0 | - | 4.81 | 88,315 |
| Capitals Starting With M | 0 | - | 4.93 | 108,186 |
| Capitals Starting With P | 0 | - | 4.88 | 78,427 |
| Capitals Starting With R | 0 | - | 4.87 | 82,044 |
| Capitals Starting With S | 0 | - | 4.90 | 86,029 |
| Capitals Starting With T | 0 | - | 4.85 | 76,374 |
| Capitals Starting With W | 0 | - | 4.87 | 91,432 |
| Capitals Starting With A | 0 | - | 4.97 | 128,384 |
| Capitals Starting With B | 0 | - | 4.89 | 118,801 |
| Capitals Starting With D | 0 | - | 4.93 | 96,702 |
| U.S. State Capitals Map Quiz | 0 | - | 4.93 | 144,995 |
| Single Vowel Capitals | 0 | - | 4.81 | 14,585 |
| Countries of Europe by Population | 0 | - | 4.98 | 181,782 |
| U.S. Cities with the Most Skyscrapers | 0 | - | 4.89 | 95,648 |
| Most Guessed Cities by Country #3 | 0 | - | 4.89 | 46,462 |
| Summer Olympics Host Cities | 0 | - | 4.98 | 215,693 |
| Cities with the Biggest Economies | 0 | - | 4.91 | 131,340 |
| U.S. City Name Etymologies | 0 | - | 4.15 | 21,553 |
| Five Most Guessed Cities by Continent | 0 | - | 4.96 | 113,221 |
| Former Capitals | 0 | - | 4.88 | 71,550 |
| Capital Cities Chain | 0 | - | 4.84 | 83,037 |
| Coldest World Capitals | 0 | - | 4.95 | 133,691 |
| Capital Cities with Spanish Names | 0 | - | 4.90 | 77,828 |
| Name a Valid Capital #1 | 0 | - | 4.96 | 91,181 |
| Random State Capital to U.S. State | 0 | - | 4.85 | 89,333 |
| Which City In the United Kingdom? | 0 | - | 4.97 | 94,509 |
| Canada or Africa by Area | 0 | - | 4.78 | 18,443 |
| Belize Country Quiz | 0 | - | 4.85 | 21,025 |
| South America Map Quiz | 0 | - | 5.00 | 1,552,384 |
| Latin American Countries Map Quiz | 0 | - | 4.97 | 130,207 |
| Flags of North and South America | 0 | - | 4.99 | 374,797 |
| Biggest City by Body of Water | 0 | - | 4.51 | 40,269 |
| Southernmost Major Cities | 0 | - | 4.48 | 57,539 |
| U.S. City Prefixes and Suffixes | 0 | - | 4.48 | 72,965 |
| Cities with the Most Foreign Embassies | 0 | - | 4.69 | 47,182 |
| Random European City to Country | 0 | - | 4.69 | 118,134 |
| Random Asian City to Country | 0 | - | 4.56 | 44,566 |
| U.S. Cities With Spanish Names | 0 | - | 4.94 | 23,485 |
| US States and State Capitals | 0 | - | 4.99 | 163,781 |
| Most Mentioned Enemies of the USA | 0 | - | 4.77 | 175,767 |
