| North America Capitals Quiz | 0 | - | 4.99 | 218,813 |
| Capitals of Canadian Provinces | 0 | - | 4.85 | 88,848 |
| South America Capitals Quiz | 0 | - | 5.00 | 480,093 |
| Africa Capitals Quiz | 0 | - | 4.99 | 735,095 |
| Asia Capitals Quiz | 0 | - | 4.98 | 690,429 |
| US State Capitals Quiz - No Hints | 0 | - | 4.98 | 94,972 |
| 10 Westernmost U.S. State Capitals | 0 | - | 4.90 | 48,044 |
| Most-Visited U.S. Cities | 0 | - | 4.85 | 93,345 |
| Every U.S. Metro Area on a Map | 0 | - | 4.97 | 81,429 |
| Europe Capital to Country | 0 | - | 4.99 | 249,358 |
| Asia Capital to Country | 0 | - | 4.96 | 126,359 |
| EU Capitals with No Hints | 0 | - | 4.96 | 145,443 |
| European Capitals by Map | 0 | - | 4.99 | 138,325 |
| African Capitals by Map | 0 | - | 4.99 | 133,137 |
| Asian Capitals by Map | 0 | - | 4.98 | 61,945 |
| 10 Westernmost Capital Cities in Europe | 0 | - | 4.88 | 91,784 |
| 10 Northernmost Capital Cities in Europe | 0 | - | 4.96 | 84,150 |
| European Coastal Capitals | 0 | - | 4.95 | 90,295 |
| 10 Easternmost Capital Cities in Asia | 0 | - | 4.89 | 52,443 |
| Capitals of Oceania Quiz | 0 | - | 4.99 | 268,848 |
| Europe by Capitals and Borders in 30 Seconds | 0 | - | 4.88 | 223,323 |
| Capitals of Mediterranean Countries | 0 | - | 4.96 | 81,685 |
| Most Guessed U.S. Cities | 0 | - | 4.89 | 105,662 |
| African Capitals - Map Quiz | 0 | - | 4.94 | 62,170 |
| Top 10 Most Remote European Capitals | 0 | - | 4.86 | 93,835 |
| European Capitals - Map Quiz | 0 | - | 4.97 | 118,900 |
| Middle East Capital Cities Quiz | 0 | - | 4.96 | 87,630 |
| European Capitals Furthest from the Sea | 0 | - | 4.92 | 82,031 |
| Asian Capitals - Map Quiz | 0 | - | 4.95 | 60,994 |
| European Capitals Ending in N | 0 | - | 4.92 | 81,111 |
| Name a Valid European Capital | 0 | - | 4.95 | 151,927 |
| European Capital Superlatives - Top 2 | 0 | - | 4.95 | 81,004 |
| Capitals of the Most Populated Countries | 0 | - | 4.96 | 127,584 |
| United States Map Quiz | 0 | - | 4.98 | 4,151,423 |
| Southernmost Major Cities in the U.S. | 0 | - | 4.43 | 36,546 |
| North America Cities by Map | 0 | - | 4.41 | 47,742 |
| South American Capitals - Map Quiz | 0 | - | 4.98 | 130,120 |
| Most Guessed European Capitals | 0 | - | 4.87 | 101,417 |
| Nordic Countries and Capitals | 0 | - | 4.95 | 83,481 |
| Random European Capital to Country | 0 | - | 4.98 | 190,494 |
| Random European Country to Capital | 0 | - | 4.93 | 164,020 |
| Random Asian Country to Capital | 0 | - | 4.92 | 96,040 |
| Random Asian Capital to Country | 0 | - | 4.97 | 102,207 |
| Random African Capital to Country | 0 | - | 4.97 | 100,359 |
| Random African Country to Capital | 0 | - | 4.94 | 70,960 |
| World Capitals by First Two Letters in 90 Seconds | 0 | - | 4.35 | 246,286 |
| Speed Capital to U.S. State | 0 | - | 4.46 | 113,818 |
| 10 Southernmost U.S. State Capitals | 0 | - | 4.51 | 38,995 |
| 10 Northernmost U.S. State Capitals | 0 | - | 4.57 | 35,737 |
| 10 Easternmost U.S. State Capitals | 0 | - | 4.50 | 34,630 |
| Countries of North America Quiz | 0 | - | 5.00 | 1,019,501 |
| Canada Provinces Map Quiz | 0 | - | 4.99 | 638,693 |
| Canada Provinces and Territories | 0 | - | 5.00 | 340,802 |
| Top 10 Least Populous U.S. States | 0 | - | 4.94 | 191,230 |
| Top 10 Most Populous U.S. States | 0 | - | 4.97 | 174,509 |
| U.S Cities by African-American Population | 0 | - | 4.42 | 95,218 |
| 15 Largest Cities in Africa With a Map | 0 | - | 4.95 | 110,296 |
| 1M Cities by Proximity - United States | 0 | - | 4.56 | 150,310 |
| Most-Visited Cities in Europe | 0 | - | 4.83 | 74,728 |
| Biggest Cities in a Strip of the United States Map | 0 | - | 4.73 | 40,833 |
| World Capitals Quiz | 0 | - | 5.00 | 5,058,784 |
| World Capitals Closest to Bangkok | 0 | - | 4.91 | 40,939 |
| Random African Capitals on a Map | 0 | - | 4.96 | 54,589 |
| Random Asian Capitals on a Map | 0 | - | 4.83 | 50,866 |
| Random European Capitals on a Map | 0 | - | 4.97 | 134,399 |
| Official Cities in the UK | 0 | - | 4.89 | 282,755 |
| Northernmost Major Cities in the U.S. | 0 | - | 4.38 | 48,692 |
| U.S. Cities with the Most Homeless People | 0 | - | 4.31 | 33,524 |
| U.S. Cities with the Highest Murder Rate | 0 | - | 4.55 | 138,178 |
| Countries by Capitals and Borders in 90 Seconds | 0 | - | 4.84 | 226,068 |
| U.S. State Capitals Map Quiz | 0 | - | 4.93 | 143,377 |
| Central America and Caribbean Map Quiz | 0 | - | 4.89 | 901,297 |
| North American Capitals - Map Quiz | 0 | - | 4.87 | 57,637 |
| U.S. Cities with the Most International Tourists | 0 | - | 4.88 | 75,286 |
| All First-Level Subdivisions of North America on a Map | 0 | - | 4.97 | 63,729 |
| U.S. State Border Crossings | 0 | - | 4.97 | 96,321 |
| U.S. States with the Lowest Population Density | 0 | - | 4.92 | 93,786 |
| Europe Capitals Quiz | 0 | - | 5.00 | 1,581,148 |
| US State Capitals by Proximity in 30 Seconds | 0 | - | 4.17 | 129,180 |
| US State Capitals by First Two Letters in 45 seconds | 0 | - | 4.09 | 58,102 |
| U.S State Capitals on the Sea | 0 | - | 4.53 | 26,161 |
| Random State Capital to U.S. State | 0 | - | 4.84 | 88,766 |
| States of the U.S. in Alphabetical Order | 0 | - | 4.98 | 366,441 |
| British Cities with the Most Tourists | 0 | - | 4.83 | 69,858 |
| Cities in U.S. History #1 | 0 | - | 4.31 | 45,368 |
| 100 Biggest Cities and Towns in the UK | 0 | - | 4.98 | 146,723 |
| U.S. Suburbs Quiz | 0 | - | 4.47 | 18,378 |
| Central American Countries | 0 | - | 4.98 | 155,783 |
| Total United States Immigration by Country | 0 | - | 4.91 | 111,235 |
| "Do Not Travel" Countries for U.S. Citizens | 0 | - | 4.97 | 242,924 |
| Caribbean / Lesser Antilles Map Quiz | 0 | - | 4.99 | 147,541 |
| Mexico States Map Quiz | 0 | - | 4.85 | 104,375 |
| Name the U.S. National Parks | 0 | - | 4.86 | 59,720 |
| States of Mexico | 0 | - | 4.95 | 175,303 |
| South American Cities on the Map | 0 | - | 4.56 | 35,353 |
| Global Cities on a World Map | 0 | - | 4.93 | 135,732 |
| Northernmost Capital Cities | 0 | - | 4.98 | 109,830 |
| Most Remote Capital Cities | 0 | - | 4.92 | 53,184 |
| Capital Cities: Ports and Saints | 0 | - | 4.96 | 45,205 |
| Capitals with the Shortest Names | 0 | - | 4.97 | 108,835 |
| Same Letter Country and Capital | 0 | - | 4.99 | 156,442 |
| Countries by Capital City | 0 | - | 5.00 | 67,772 |
| Capital Cities Based on First Two Letters | 0 | - | 4.85 | 76,891 |
| Capitals of the Largest Countries by Area | 0 | - | 4.97 | 114,385 |
| World Capitals by Proximity | 0 | - | 4.91 | 330,342 |
| Divided Capital Name Puzzle #1 | 0 | - | 4.99 | 83,884 |
| Asian Coastal Capitals | 0 | - | 4.52 | 22,131 |
| European Capitals with the Least Sunshine | 0 | - | 4.46 | 50,282 |
| Word Scramble - European Capitals | 0 | - | 4.70 | 94,042 |
| Moved Capital Cities | 0 | - | 4.96 | 73,990 |
| 10 Westernmost Capital Cities in Asia | 0 | - | 4.62 | 15,913 |
| Name a Valid Asian Capital | 0 | - | 4.53 | 61,522 |
| Westernmost Cities in the U.S. | 0 | - | 4.36 | 16,436 |
| U.S. State Capitals Quiz | 0 | - | 5.00 | 1,685,355 |
| Random U.S. State Capitals on a Map | 0 | - | 4.92 | 103,775 |
| Melbourne Suburbs | 0 | - | 4.84 | 52,665 |
| Most-Visited Countries by Americans | 0 | - | 4.87 | 109,244 |
| Countries that Visit the United States the Most | 0 | - | 4.96 | 91,442 |
| Most-Visited Countries by Canadians | 0 | - | 4.82 | 39,234 |
| Countries Closest to Canada | 0 | - | 4.91 | 197,929 |
| Pixelated United States Map | 0 | - | 4.87 | 93,995 |
| The 13 Colonies Quiz | 0 | - | 4.97 | 117,572 |
| U.S. States with the Letter Y | 0 | - | 4.85 | 111,081 |
| 10 Southernmost U.S. States | 0 | - | 4.88 | 113,101 |
| U.S. States with Short Names | 0 | - | 4.91 | 148,609 |
| U.S. States that Start with M | 0 | - | 4.93 | 186,854 |
| U.S. States By Population | 0 | - | 4.92 | 152,941 |
| U.S. States that Start with N | 0 | - | 4.95 | 171,100 |
| U.S. States with Longest Names | 0 | - | 4.84 | 44,279 |
| 10 Northernmost U.S. States | 0 | - | 4.90 | 82,320 |
| 10 Westernmost U.S. States | 0 | - | 4.95 | 64,069 |
| The Only Remaining U.S. State . . . | 0 | - | 4.93 | 65,402 |
| Top 10 Largest U.S. States by Area | 0 | - | 4.95 | 159,706 |
| Top 10 Smallest U.S. States by Area | 0 | - | 4.98 | 177,465 |
| Top 10 Poorest U.S. States by Median Income | 0 | - | 4.86 | 124,984 |
| U.S. States with the Highest Percentage of Hispanics | 0 | - | 4.85 | 69,404 |
| Top 10 Newest U.S. States | 0 | - | 4.85 | 86,068 |
| North American Sports Cities | 0 | - | 4.83 | 171,642 |
| Summer Olympic City Bids | 0 | - | 4.93 | 42,140 |
| U.S. Cities with the Biggest Economies | 0 | - | 4.83 | 72,561 |
| Cities with the Most Metro Rail Stations | 0 | - | 4.89 | 102,183 |
| Cities by Former Name | 0 | - | 4.83 | 91,369 |
| Capitals in their Native Languages | 0 | - | 4.95 | 133,286 |
| Nearest Capital City #1 | 0 | - | 4.83 | 57,527 |
| Most Guessed Asian Capitals | 0 | - | 4.51 | 65,876 |
| Capitals Furthest from the Border | 0 | - | 4.96 | 68,778 |
| World Capitals by Map | 0 | - | 5.00 | 285,309 |
| Capital Cities in a Ring of the World Map | 0 | - | 4.95 | 58,093 |
| Random Capital to Country | 0 | - | 4.99 | 2,586,680 |
| Random Country to Capital | 0 | - | 4.98 | 917,038 |
| Capitals Starting With H | 0 | - | 4.90 | 91,877 |
| Capitals Starting With K | 0 | - | 4.85 | 76,054 |
| Capitals Starting With L | 0 | - | 4.81 | 87,283 |
| Capitals Starting With M | 0 | - | 4.93 | 106,801 |
| Capitals Starting With P | 0 | - | 4.88 | 77,563 |
| Capitals Starting With R | 0 | - | 4.87 | 81,326 |
| Capitals Starting With S | 0 | - | 4.89 | 85,197 |
| Capitals Starting With T | 0 | - | 4.84 | 75,668 |
| Capitals Starting With W | 0 | - | 4.87 | 90,946 |
| Capitals Starting With A | 0 | - | 4.97 | 127,122 |
| Capitals Starting With B | 0 | - | 4.89 | 117,778 |
| Capitals Starting With D | 0 | - | 4.93 | 95,841 |
| Which City in Europe? | 0 | - | 4.83 | 107,110 |
| Countries that Beat the United States | 0 | - | 4.93 | 166,421 |
| Top 10 Most-Visited U.S. States | 0 | - | 4.90 | 101,534 |
| U.S. States with the Most Immigrants | 0 | - | 4.85 | 82,304 |
| Fastest Growing U.S. States Since 1960 | 0 | - | 4.48 | 76,046 |
| American TV Show Settings | 0 | - | 4.35 | 30,627 |
| Cities in European History #1 | 0 | - | 4.63 | 133,711 |
| European Cities by Map #2 | 0 | - | 4.49 | 47,289 |
| European Cities by Map #1 | 0 | - | 4.67 | 55,683 |
| Asian Cities by Map #1 | 0 | - | 4.50 | 40,855 |
| Mediterranean Cities by Map | 0 | - | 4.51 | 51,092 |
| Cities in Squares on a Map - Europe | 0 | - | 4.74 | 53,603 |
| World Capitals Closest to Madrid | 0 | - | 4.50 | 42,400 |
| Countries of Europe by Population | 0 | - | 4.98 | 179,847 |
| Most Populous World Capitals | 0 | - | 4.94 | 175,533 |
| Biggest City by Body of Water | 0 | - | 4.51 | 40,217 |
| Southernmost Major Cities | 0 | - | 4.48 | 57,232 |
| U.S. City Prefixes and Suffixes | 0 | - | 4.48 | 72,778 |
| Cities with the Most Foreign Embassies | 0 | - | 4.68 | 47,101 |
| U.S. Cities with the Most Skyscrapers | 0 | - | 4.89 | 95,478 |
| Most Guessed Cities by Country #3 | 0 | - | 4.89 | 45,702 |
| Summer Olympics Host Cities | 0 | - | 4.98 | 214,322 |
| Random European City to Country | 0 | - | 4.69 | 117,388 |
| Random Asian City to Country | 0 | - | 4.56 | 44,455 |
| Cities with the Biggest Economies | 0 | - | 4.90 | 130,560 |
| U.S. City Name Etymologies | 0 | - | 4.15 | 21,510 |
| Five Most Guessed Cities by Continent | 0 | - | 4.96 | 112,630 |
| U.S. Cities With Spanish Names | 0 | - | 4.94 | 22,886 |
| Former Capitals | 0 | - | 4.88 | 71,346 |
| India State Capitals Quiz | 0 | - | 4.28 | 59,553 |
| Capital Cities Chain | 0 | - | 4.83 | 82,401 |
| Coldest World Capitals | 0 | - | 4.95 | 133,411 |
| Capital Cities with Spanish Names | 0 | - | 4.90 | 77,313 |
| Europe Capitals - One Minute Sprint | 0 | - | 4.40 | 200,728 |
| Name a Valid Capital #1 | 0 | - | 4.96 | 90,575 |
| Top 10 Oldest U.S. State Capitals | 0 | - | 4.55 | 32,020 |
| Which City In the United Kingdom? | 0 | - | 4.97 | 94,026 |
| Which City in Canada? | 0 | - | 4.82 | 56,927 |
