| Capitals of Canadian Provinces | 0 | - | 4.85 | 89,454 |
| North America Capitals Quiz | 0 | - | 4.99 | 221,475 |
| Most-Visited U.S. Cities | 0 | - | 4.85 | 94,612 |
| Every U.S. Metro Area on a Map | 0 | - | 4.97 | 82,324 |
| Canada Provinces Map Quiz | 0 | - | 4.99 | 643,092 |
| South America Capitals Quiz | 0 | - | 5.00 | 483,898 |
| Most Guessed U.S. Cities | 0 | - | 4.89 | 106,734 |
| US State Capitals Quiz - No Hints | 0 | - | 4.98 | 95,490 |
| 10 Westernmost U.S. State Capitals | 0 | - | 4.90 | 48,251 |
| Africa Capitals Quiz | 0 | - | 4.99 | 742,072 |
| Asia Capitals Quiz | 0 | - | 4.98 | 697,129 |
| United States Map Quiz | 0 | - | 4.98 | 4,167,567 |
| Southernmost Major Cities in the U.S. | 0 | - | 4.43 | 36,662 |
| North America Cities by Map | 0 | - | 4.41 | 47,899 |
| Most-Visited Countries by Canadians | 0 | - | 4.83 | 39,528 |
| Countries Closest to Canada | 0 | - | 4.91 | 198,870 |
| Countries of North America Quiz | 0 | - | 5.00 | 1,028,808 |
| Canada Provinces and Territories | 0 | - | 5.00 | 345,101 |
| Top 10 Least Populous U.S. States | 0 | - | 4.94 | 192,398 |
| Top 10 Most Populous U.S. States | 0 | - | 4.97 | 177,357 |
| U.S Cities by African-American Population | 0 | - | 4.42 | 95,514 |
| 15 Largest Cities in Africa With a Map | 0 | - | 4.96 | 111,252 |
| 1M Cities by Proximity - United States | 0 | - | 4.63 | 151,600 |
| Most-Visited Cities in Europe | 0 | - | 4.83 | 75,792 |
| Biggest Cities in a Strip of the United States Map | 0 | - | 4.74 | 41,135 |
| World Capitals Quiz | 0 | - | 5.00 | 5,095,922 |
| Europe Capital to Country | 0 | - | 4.99 | 251,585 |
| Asia Capital to Country | 0 | - | 4.96 | 127,203 |
| EU Capitals with No Hints | 0 | - | 4.96 | 146,655 |
| European Capitals by Map | 0 | - | 4.99 | 141,427 |
| African Capitals by Map | 0 | - | 4.99 | 141,463 |
| Asian Capitals by Map | 0 | - | 4.98 | 63,610 |
| 10 Westernmost Capital Cities in Europe | 0 | - | 4.88 | 92,644 |
| 10 Northernmost Capital Cities in Europe | 0 | - | 4.96 | 84,988 |
| European Coastal Capitals | 0 | - | 4.95 | 91,097 |
| 10 Easternmost Capital Cities in Asia | 0 | - | 4.89 | 53,074 |
| Capitals of Oceania Quiz | 0 | - | 4.99 | 271,760 |
| Europe by Capitals and Borders in 30 Seconds | 0 | - | 4.88 | 225,305 |
| Capitals of Mediterranean Countries | 0 | - | 4.95 | 82,056 |
| Official Cities in the UK | 0 | - | 4.89 | 285,476 |
| Northernmost Major Cities in the U.S. | 0 | - | 4.38 | 48,896 |
| U.S. Cities with the Most Homeless People | 0 | - | 4.31 | 33,607 |
| U.S. Cities with the Highest Murder Rate | 0 | - | 4.55 | 138,907 |
| African Capitals - Map Quiz | 0 | - | 4.94 | 62,984 |
| Top 10 Most Remote European Capitals | 0 | - | 4.87 | 94,407 |
| European Capitals - Map Quiz | 0 | - | 4.97 | 119,848 |
| Middle East Capital Cities Quiz | 0 | - | 4.96 | 88,250 |
| European Capitals Furthest from the Sea | 0 | - | 4.92 | 82,467 |
| Asian Capitals - Map Quiz | 0 | - | 4.95 | 61,778 |
| European Capitals Ending in N | 0 | - | 4.92 | 81,581 |
| Central America and Caribbean Map Quiz | 0 | - | 4.89 | 904,159 |
| North American Capitals - Map Quiz | 0 | - | 4.88 | 58,591 |
| U.S. Cities with the Most International Tourists | 0 | - | 4.88 | 75,798 |
| All First-Level Subdivisions of North America on a Map | 0 | - | 4.97 | 64,680 |
| U.S. State Border Crossings | 0 | - | 4.97 | 96,763 |
| U.S. States with the Lowest Population Density | 0 | - | 4.92 | 94,088 |
| Europe Capitals Quiz | 0 | - | 5.00 | 1,595,707 |
| Which City in Canada? | 0 | - | 4.83 | 57,269 |
| States of the U.S. in Alphabetical Order | 0 | - | 4.98 | 368,230 |
| British Cities with the Most Tourists | 0 | - | 4.83 | 70,707 |
| Cities in U.S. History #1 | 0 | - | 4.31 | 45,497 |
| 100 Biggest Cities and Towns in the UK | 0 | - | 4.98 | 150,412 |
| World Capitals by First Two Letters in 90 Seconds | 0 | - | 4.35 | 246,690 |
| Name a Valid European Capital | 0 | - | 4.95 | 153,272 |
| European Capital Superlatives - Top 2 | 0 | - | 4.95 | 81,446 |
| Speed Capital to U.S. State | 0 | - | 4.45 | 114,250 |
| 10 Southernmost U.S. State Capitals | 0 | - | 4.51 | 39,107 |
| 10 Northernmost U.S. State Capitals | 0 | - | 4.57 | 35,839 |
| 10 Easternmost U.S. State Capitals | 0 | - | 4.50 | 34,756 |
| U.S. Suburbs Quiz | 0 | - | 4.47 | 18,431 |
| Central American Countries | 0 | - | 4.98 | 157,106 |
| Caribbean Countries and Territories | 0 | - | 4.81 | 113,142 |
| Total United States Immigration by Country | 0 | - | 4.91 | 112,146 |
| "Do Not Travel" Countries for U.S. Citizens | 0 | - | 4.97 | 245,751 |
| Caribbean / Lesser Antilles Map Quiz | 0 | - | 4.99 | 149,794 |
| Mexico States Map Quiz | 0 | - | 4.84 | 105,439 |
| Name the U.S. National Parks | 0 | - | 4.86 | 60,329 |
| States of Mexico | 0 | - | 4.96 | 177,612 |
| South American Cities on the Map | 0 | - | 4.52 | 35,521 |
| Global Cities on a World Map | 0 | - | 4.93 | 136,994 |
| Northernmost Capital Cities | 0 | - | 4.98 | 110,908 |
| Most Remote Capital Cities | 0 | - | 4.92 | 53,804 |
| Capital Cities: Ports and Saints | 0 | - | 4.96 | 45,991 |
| Capitals with the Shortest Names | 0 | - | 4.97 | 109,926 |
| Same Letter Country and Capital | 0 | - | 4.99 | 157,806 |
| Countries by Capital City | 0 | - | 5.00 | 69,084 |
| Capital Cities Based on First Two Letters | 0 | - | 4.85 | 77,653 |
| Capitals of the Largest Countries by Area | 0 | - | 4.96 | 115,057 |
| World Capitals by Proximity | 0 | - | 4.91 | 333,110 |
| Divided Capital Name Puzzle #1 | 0 | - | 4.99 | 84,633 |
| Moved Capital Cities | 0 | - | 4.96 | 74,524 |
| Canada Country Quiz | 0 | - | 4.55 | 132,885 |
| Canada Cities Map Quiz | 0 | - | 4.64 | 124,498 |
| Westernmost Cities in the U.S. | 0 | - | 4.37 | 16,484 |
| U.S. State Capitals Quiz | 0 | - | 5.00 | 1,696,142 |
| South American Capitals - Map Quiz | 0 | - | 4.98 | 131,159 |
| Most Guessed European Capitals | 0 | - | 4.87 | 101,722 |
| Nordic Countries and Capitals | 0 | - | 4.95 | 83,951 |
| Random European Capital to Country | 0 | - | 4.98 | 191,840 |
| Random European Country to Capital | 0 | - | 4.93 | 165,667 |
| Random Asian Country to Capital | 0 | - | 4.92 | 96,879 |
| Random Asian Capital to Country | 0 | - | 4.97 | 103,271 |
| Random African Capital to Country | 0 | - | 4.97 | 101,146 |
| Random African Country to Capital | 0 | - | 4.94 | 71,617 |
| Melbourne Suburbs | 0 | - | 4.86 | 53,988 |
| Most-Visited Countries by Americans | 0 | - | 4.86 | 110,257 |
| Countries that Visit the United States the Most | 0 | - | 4.96 | 92,236 |
| Pixelated United States Map | 0 | - | 4.88 | 94,648 |
| The 13 Colonies Quiz | 0 | - | 4.97 | 118,784 |
| U.S. States with the Letter Y | 0 | - | 4.85 | 112,001 |
| 10 Southernmost U.S. States | 0 | - | 4.89 | 114,015 |
| U.S. States with Short Names | 0 | - | 4.91 | 149,659 |
| U.S. States that Start with M | 0 | - | 4.93 | 188,017 |
| U.S. States By Population | 0 | - | 4.92 | 153,960 |
| U.S. States that Start with N | 0 | - | 4.95 | 171,986 |
| U.S. States with Longest Names | 0 | - | 4.84 | 44,756 |
| 10 Northernmost U.S. States | 0 | - | 4.90 | 82,940 |
| 10 Westernmost U.S. States | 0 | - | 4.95 | 64,441 |
| The Only Remaining U.S. State . . . | 0 | - | 4.93 | 65,952 |
| Top 10 Largest U.S. States by Area | 0 | - | 4.95 | 160,505 |
| Top 10 Smallest U.S. States by Area | 0 | - | 4.98 | 178,070 |
| Top 10 Poorest U.S. States by Median Income | 0 | - | 4.86 | 125,563 |
| U.S. States with the Highest Percentage of Hispanics | 0 | - | 4.85 | 69,756 |
| Top 10 Newest U.S. States | 0 | - | 4.85 | 86,552 |
| Capitals of the Most Populated Countries | 0 | - | 4.96 | 128,282 |
| North American Sports Cities | 0 | - | 4.83 | 172,945 |
| Summer Olympic City Bids | 0 | - | 4.94 | 42,497 |
| U.S. Cities with the Biggest Economies | 0 | - | 4.83 | 73,192 |
| Cities with the Most Metro Rail Stations | 0 | - | 4.89 | 102,792 |
| Cities by Former Name | 0 | - | 4.83 | 91,905 |
| Capitals in their Native Languages | 0 | - | 4.95 | 133,599 |
| Nearest Capital City #1 | 0 | - | 4.83 | 57,880 |
| World Capitals Closest to Bangkok | 0 | - | 4.91 | 41,110 |
| Capitals Furthest from the Border | 0 | - | 4.96 | 69,628 |
| World Capitals by Map | 0 | - | 5.00 | 288,597 |
| Capital Cities in a Ring of the World Map | 0 | - | 4.95 | 58,675 |
| Random Capital to Country | 0 | - | 4.99 | 2,598,346 |
| Random African Capitals on a Map | 0 | - | 4.96 | 55,152 |
| Random Asian Capitals on a Map | 0 | - | 4.83 | 51,278 |
| Random European Capitals on a Map | 0 | - | 4.97 | 135,222 |
| Random Country to Capital | 0 | - | 4.98 | 925,529 |
| Capitals Starting With H | 0 | - | 4.91 | 92,918 |
| Capitals Starting With K | 0 | - | 4.88 | 83,972 |
| Capitals Starting With L | 0 | - | 4.81 | 88,430 |
| Capitals Starting With M | 0 | - | 4.93 | 108,403 |
| Capitals Starting With P | 0 | - | 4.88 | 78,544 |
| Capitals Starting With R | 0 | - | 4.87 | 82,141 |
| Capitals Starting With S | 0 | - | 4.90 | 86,135 |
| Capitals Starting With T | 0 | - | 4.85 | 76,469 |
| Capitals Starting With W | 0 | - | 4.87 | 91,491 |
| Capitals Starting With A | 0 | - | 4.97 | 128,559 |
| Capitals Starting With B | 0 | - | 4.89 | 118,955 |
| Capitals Starting With D | 0 | - | 4.93 | 96,821 |
| US State Capitals by Proximity in 30 Seconds | 0 | - | 4.17 | 129,643 |
| US State Capitals by First Two Letters in 45 seconds | 0 | - | 4.09 | 58,212 |
| U.S State Capitals on the Sea | 0 | - | 4.53 | 26,237 |
| Which City in Europe? | 0 | - | 4.83 | 107,760 |
| Countries that Beat the United States | 0 | - | 4.93 | 168,312 |
| Top 10 Most-Visited U.S. States | 0 | - | 4.90 | 102,275 |
| U.S. States with the Most Immigrants | 0 | - | 4.85 | 82,912 |
| Single Vowel Capitals | 0 | - | 4.82 | 14,651 |
| Fastest Growing U.S. States Since 1960 | 0 | - | 4.48 | 76,283 |
| American TV Show Settings | 0 | - | 4.37 | 30,688 |
| Cities in European History #1 | 0 | - | 4.63 | 134,436 |
| European Cities by Map #2 | 0 | - | 4.49 | 47,424 |
| European Cities by Map #1 | 0 | - | 4.67 | 55,852 |
| Asian Cities by Map #1 | 0 | - | 4.50 | 40,934 |
| Mediterranean Cities by Map | 0 | - | 4.51 | 51,188 |
| Cities in Squares on a Map - Europe | 0 | - | 4.69 | 54,335 |
| U.S. State Capitals Map Quiz | 0 | - | 4.93 | 149,248 |
| Countries of Europe by Population | 0 | - | 4.98 | 182,341 |
| Biggest City by Body of Water | 0 | - | 4.51 | 40,296 |
| Southernmost Major Cities | 0 | - | 4.48 | 57,624 |
| U.S. City Prefixes and Suffixes | 0 | - | 4.48 | 73,032 |
| Cities with the Most Foreign Embassies | 0 | - | 4.69 | 47,210 |
| U.S. Cities with the Most Skyscrapers | 0 | - | 4.89 | 95,701 |
| Most Guessed Cities by Country #3 | 0 | - | 4.89 | 46,715 |
| Summer Olympics Host Cities | 0 | - | 4.98 | 216,048 |
| Random European City to Country | 0 | - | 4.69 | 118,260 |
| Random Asian City to Country | 0 | - | 4.56 | 44,586 |
| Cities with the Biggest Economies | 0 | - | 4.91 | 131,490 |
| U.S. City Name Etymologies | 0 | - | 4.15 | 21,571 |
| Five Most Guessed Cities by Continent | 0 | - | 4.96 | 113,420 |
| U.S. Cities With Spanish Names | 0 | - | 4.94 | 23,632 |
| Former Capitals | 0 | - | 4.88 | 71,611 |
| Capital Cities Chain | 0 | - | 4.84 | 83,186 |
| Coldest World Capitals | 0 | - | 4.95 | 134,065 |
| Capital Cities with Spanish Names | 0 | - | 4.90 | 77,964 |
| Name a Valid Capital #1 | 0 | - | 4.96 | 91,367 |
| Random State Capital to U.S. State | 0 | - | 4.85 | 89,595 |
| Which City In the United Kingdom? | 0 | - | 4.97 | 94,635 |
| Most Mentioned Enemies of the USA | 0 | - | 4.77 | 175,937 |
| Canada or Africa by Area | 0 | - | 4.78 | 18,501 |
| Belize Country Quiz | 0 | - | 4.85 | 21,058 |
| South America Map Quiz | 0 | - | 5.00 | 1,554,018 |
| Latin American Countries Map Quiz | 0 | - | 4.97 | 130,386 |
| Flags of North and South America | 0 | - | 4.99 | 375,814 |
| Territories of the United States | 0 | - | 4.80 | 52,553 |
| Canada Immigration by Country | 0 | - | 4.51 | 62,807 |
| Five Biggest Immigrant Groups by Decade in the US | 0 | - | 4.79 | 39,821 |
