| Capitals of Canadian Provinces | 0 | - | 4.87 | 85,848 |
| North America Capitals Quiz | 0 | - | 4.99 | 209,128 |
| Most-Visited U.S. Cities | 0 | - | 4.85 | 87,668 |
| Every U.S. Metro Area on a Map | 0 | - | 4.96 | 77,694 |
| Canada Provinces Map Quiz | 0 | - | 4.99 | 618,910 |
| South America Capitals Quiz | 0 | - | 5.00 | 465,661 |
| Most Guessed U.S. Cities | 0 | - | 4.88 | 101,557 |
| US State Capitals Quiz - No Hints | 0 | - | 4.98 | 92,603 |
| 10 Westernmost U.S. State Capitals | 0 | - | 4.89 | 47,012 |
| Name a City - European Countries | 0 | - | 4.93 | 61,613 |
| Africa Capitals Quiz | 0 | - | 4.99 | 708,109 |
| Asia Capitals Quiz | 0 | - | 4.97 | 664,821 |
| United States Map Quiz | 0 | - | 4.98 | 4,094,854 |
| Southernmost Major Cities in the U.S. | 0 | - | 4.42 | 36,055 |
| North America Cities by Map | 0 | - | 4.41 | 47,145 |
| Countries Closest to Canada | 0 | - | 4.90 | 194,456 |
| Countries of North America Quiz | 0 | - | 5.00 | 979,664 |
| Canada Provinces and Territories | 0 | - | 5.00 | 324,654 |
| Top 10 Least Populous U.S. States | 0 | - | 4.94 | 186,192 |
| Top 10 Most Populous U.S. States | 0 | - | 4.97 | 163,031 |
| U.S Cities by African-American Population | 0 | - | 4.42 | 93,678 |
| 15 Largest Cities in Africa With a Map | 0 | - | 4.96 | 105,754 |
| 1M Cities by Proximity - United States | 0 | - | 4.55 | 147,217 |
| Most-Visited Cities in Europe | 0 | - | 4.89 | 69,806 |
| Biggest Cities in a Strip of the United States Map | 0 | - | 4.74 | 39,650 |
| Cities on Route 66 on a Map | 0 | - | 4.52 | 32,032 |
| World Capitals Quiz | 0 | - | 5.00 | 4,904,075 |
| Europe Capital to Country | 0 | - | 4.99 | 241,129 |
| Asia Capital to Country | 0 | - | 4.96 | 123,253 |
| EU Capitals with No Hints | 0 | - | 4.96 | 139,898 |
| European Capitals by Map | 0 | - | 4.99 | 128,825 |
| African Capitals by Map | 0 | - | 4.99 | 127,252 |
| Asian Capitals by Map | 0 | - | 4.98 | 57,924 |
| 10 Westernmost Capital Cities in Europe | 0 | - | 4.87 | 88,386 |
| 10 Northernmost Capital Cities in Europe | 0 | - | 4.96 | 81,120 |
| European Coastal Capitals | 0 | - | 4.95 | 86,899 |
| 10 Easternmost Capital Cities in Asia | 0 | - | 4.89 | 51,037 |
| Capitals of Oceania Quiz | 0 | - | 4.99 | 257,350 |
| Europe by Capitals and Borders in 30 Seconds | 0 | - | 4.89 | 215,200 |
| Capitals of Mediterranean Countries | 0 | - | 4.95 | 80,214 |
| Official Cities in the UK | 0 | - | 4.89 | 271,554 |
| Northernmost Major Cities in the U.S. | 0 | - | 4.38 | 47,808 |
| U.S. Cities with the Most Homeless People | 0 | - | 4.29 | 33,128 |
| U.S. Cities with the Highest Murder Rate | 0 | - | 4.54 | 136,131 |
| African Capitals - Map Quiz | 0 | - | 4.94 | 59,324 |
| Top 10 Most Remote European Capitals | 0 | - | 4.85 | 91,394 |
| European Capitals - Map Quiz | 0 | - | 4.97 | 115,071 |
| Middle East Capital Cities Quiz | 0 | - | 4.96 | 84,845 |
| European Capitals Furthest from the Sea | 0 | - | 4.91 | 71,788 |
| Asian Capitals - Map Quiz | 0 | - | 4.94 | 58,487 |
| European Capitals Ending in N | 0 | - | 4.92 | 79,225 |
| Central America and Caribbean Map Quiz | 0 | - | 4.88 | 890,670 |
| North American Capitals - Map Quiz | 0 | - | 4.87 | 54,310 |
| U.S. Cities with the Most International Tourists | 0 | - | 4.88 | 72,536 |
| All First-Level Subdivisions of North America on a Map | 0 | - | 4.97 | 58,469 |
| U.S. State Border Crossings | 0 | - | 4.96 | 87,998 |
| U.S. States with the Lowest Population Density | 0 | - | 4.92 | 92,333 |
| Europe Capitals Quiz | 0 | - | 5.00 | 1,524,196 |
| Which City in Canada? | 0 | - | 4.81 | 55,759 |
| States of the U.S. in Alphabetical Order | 0 | - | 4.98 | 360,024 |
| British Cities with the Most Tourists | 0 | - | 4.82 | 65,998 |
| Cities in U.S. History #1 | 0 | - | 4.25 | 37,230 |
| 100 Biggest Cities and Towns in the UK | 0 | - | 4.98 | 137,072 |
| World Capitals by First Two Letters in 90 Seconds | 0 | - | 4.36 | 244,042 |
| Name a Valid European Capital | 0 | - | 4.95 | 146,650 |
| European Capital Superlatives - Top 2 | 0 | - | 4.95 | 79,296 |
| Speed Capital to U.S. State | 0 | - | 4.45 | 112,381 |
| 10 Southernmost U.S. State Capitals | 0 | - | 4.51 | 38,463 |
| 10 Northernmost U.S. State Capitals | 0 | - | 4.57 | 35,278 |
| U.S. Suburbs Quiz | 0 | - | 4.47 | 18,112 |
| Central American Countries | 0 | - | 4.98 | 150,773 |
| Total United States Immigration by Country | 0 | - | 4.90 | 107,110 |
| "Do Not Travel" Countries for U.S. Citizens | 0 | - | 4.97 | 230,725 |
| Caribbean / Lesser Antilles Map Quiz | 0 | - | 4.99 | 125,718 |
| Mexico States Map Quiz | 0 | - | 4.83 | 100,269 |
| U.S. National Parks Quiz | 0 | - | 4.83 | 52,589 |
| States of Mexico | 0 | - | 4.94 | 164,008 |
| South American Cities on the Map | 0 | - | 4.57 | 34,784 |
| Global Cities on a World Map | 0 | - | 4.94 | 129,334 |
| Northernmost Capital Cities | 0 | - | 4.98 | 104,970 |
| Most Remote Capital Cities | 0 | - | 4.91 | 50,376 |
| Capital Cities: Ports and Saints | 0 | - | 4.95 | 41,848 |
| Capitals with the Shortest Names | 0 | - | 4.96 | 103,293 |
| Same Letter Country and Capital | 0 | - | 4.99 | 141,963 |
| Countries by Capital City | 0 | - | 5.00 | 62,175 |
| Capital Cities Based on First Two Letters | 0 | - | 4.85 | 73,705 |
| Capitals of the Largest Countries by Area | 0 | - | 4.95 | 111,706 |
| World Capitals by Proximity | 0 | - | 4.90 | 318,510 |
| Divided Capital Name Puzzle #1 | 0 | - | 4.99 | 80,999 |
| Moved Capital Cities | 0 | - | 4.95 | 71,860 |
| Canada Country Quiz | 0 | - | 4.53 | 129,242 |
| Canada Cities Map Quiz | 0 | - | 4.63 | 121,930 |
| Westernmost Cities in the U.S. | 0 | - | 4.36 | 16,242 |
| U.S. State Capitals Quiz | 0 | - | 5.00 | 1,643,508 |
| South American Capitals - Map Quiz | 0 | - | 4.98 | 126,157 |
| Most Guessed European Capitals | 0 | - | 4.89 | 100,192 |
| Nordic Countries and Capitals | 0 | - | 4.94 | 81,671 |
| Random European Capital to Country | 0 | - | 4.97 | 184,881 |
| Random European Country to Capital | 0 | - | 4.93 | 144,389 |
| Random Asian Country to Capital | 0 | - | 4.91 | 92,735 |
| Random Asian Capital to Country | 0 | - | 4.97 | 97,969 |
| Random African Capital to Country | 0 | - | 4.97 | 88,188 |
| Random African Country to Capital | 0 | - | 4.94 | 68,033 |
| Most-Visited Countries by Americans | 0 | - | 4.86 | 104,697 |
| Countries that Visit the United States the Most | 0 | - | 4.96 | 88,006 |
| Pixelated United States Map | 0 | - | 4.90 | 90,511 |
| The 13 Colonies Quiz | 0 | - | 4.97 | 113,454 |
| U.S. States with the Letter Y | 0 | - | 4.85 | 107,284 |
| 10 Southernmost U.S. States | 0 | - | 4.88 | 109,426 |
| U.S. States with Short Names | 0 | - | 4.90 | 143,926 |
| U.S. States that Start with M | 0 | - | 4.93 | 181,699 |
| U.S. States By Population | 0 | - | 4.90 | 138,994 |
| U.S. States that Start with N | 0 | - | 4.95 | 166,884 |
| U.S. States with Longest Names | 0 | - | 4.87 | 42,082 |
| 10 Northernmost U.S. States | 0 | - | 4.89 | 80,325 |
| U.S. States with a Unique First Letter | 0 | - | 4.95 | 85,289 |
| 10 Westernmost U.S. States | 0 | - | 4.95 | 62,363 |
| The Only Remaining U.S. State . . . | 0 | - | 4.92 | 62,980 |
| Top 10 Largest U.S. States by Area | 0 | - | 4.94 | 156,227 |
| Top 10 Smallest U.S. States by Area | 0 | - | 4.98 | 175,168 |
| Top 10 Poorest U.S. States by Median Income | 0 | - | 4.85 | 121,965 |
| U.S. States with the Highest Percentage of Hispanics | 0 | - | 4.84 | 67,894 |
| Top 10 Newest U.S. States | 0 | - | 4.85 | 84,234 |
| Top 10 U.S. States Where the Rent is Too Dang High | 0 | - | 4.83 | 64,913 |
| Capitals of the Most Populated Countries | 0 | - | 4.96 | 124,648 |
| Summer Olympic City Bids | 0 | - | 4.92 | 40,520 |
| U.S. Cities with the Biggest Economies | 0 | - | 4.83 | 69,868 |
| Cities with the Most Metro Rail Stations | 0 | - | 4.88 | 99,263 |
| Cities by Former Name | 0 | - | 4.84 | 89,205 |
| Capitals in their Native Languages | 0 | - | 4.94 | 131,480 |
| Nearest Capital City #1 | 0 | - | 4.83 | 55,814 |
| World Capitals Closest to Bangkok | 0 | - | 4.91 | 40,200 |
| World Capitals Deepest in a Country's Territory | 0 | - | 4.96 | 52,394 |
| World Capitals by Map | 0 | - | 5.00 | 273,424 |
| Capital Cities in a Ring of the World Map | 0 | - | 4.95 | 55,748 |
| Random Capital to Country | 0 | - | 4.99 | 2,534,807 |
| Random African Capitals on a Map | 0 | - | 4.96 | 53,062 |
| Random Asian Capitals on a Map | 0 | - | 4.83 | 49,484 |
| Random European Capitals on a Map | 0 | - | 4.97 | 131,087 |
| Random Country to Capital | 0 | - | 4.98 | 884,439 |
| World Capitals By Letter - H | 0 | - | 4.86 | 77,376 |
| World Capitals By Letter - K | 0 | - | 4.83 | 71,899 |
| World Capitals By Letter - M | 0 | - | 4.93 | 99,850 |
| World Capitals By Letter - P | 0 | - | 4.86 | 73,316 |
| World Capitals By Letter - R | 0 | - | 4.85 | 77,680 |
| World Capitals By Letter - S | 0 | - | 4.90 | 80,733 |
| World Capitals By Letter - T | 0 | - | 4.83 | 71,864 |
| World Capitals By Letter - W | 0 | - | 4.88 | 87,558 |
| World Capitals By Letter - A | 0 | - | 4.97 | 121,064 |
| World Capitals By Letter - B | 0 | - | 4.85 | 106,033 |
| World Capitals By Letter - D | 0 | - | 4.92 | 85,858 |
| US State Capitals by Proximity in 30 Seconds | 0 | - | 4.16 | 126,946 |
| US State Capitals by First Two Letters in 45 seconds | 0 | - | 4.06 | 57,739 |
| U.S State Capitals on the Sea | 0 | - | 4.53 | 25,880 |
| 10 Easternmost U.S. State Capitals | 0 | - | 4.48 | 29,940 |
| Which City in Europe? | 0 | - | 4.83 | 104,973 |
| Most-Visited Countries by Canadians | 0 | - | 4.77 | 38,856 |
| Countries that Beat the United States | 0 | - | 4.93 | 161,019 |
| Top 10 Most-Visited U.S. States | 0 | - | 4.90 | 98,366 |
| U.S. States with the Most Immigrants | 0 | - | 4.85 | 79,879 |
| Fastest Growing U.S. States Since 1960 | 0 | - | 4.48 | 67,655 |
| American TV Show Settings Quiz | 0 | - | 4.35 | 30,379 |
| Cities in European History #1 | 0 | - | 4.55 | 118,828 |
| European Cities by Map #2 | 0 | - | 4.48 | 46,786 |
| European Cities by Map #1 | 0 | - | 4.68 | 55,001 |
| Asian Cities by Map #1 | 0 | - | 4.50 | 40,490 |
| Mediterranean Cities by Map | 0 | - | 4.50 | 50,686 |
| Cities in Squares on a Map - Europe | 0 | - | 4.74 | 51,506 |
| U.S. State Capitals Map Quiz | 0 | - | 4.92 | 138,369 |
| Countries of Europe by Population | 0 | - | 4.98 | 170,735 |
| Biggest City by Body of Water | 0 | - | 4.50 | 39,829 |
| Southernmost Major Cities | 0 | - | 4.42 | 46,485 |
| U.S. City Prefixes and Suffixes | 0 | - | 4.47 | 71,708 |
| Cities with the Most Foreign Embassies | 0 | - | 4.68 | 46,650 |
| U.S. Cities with the Most Skyscrapers | 0 | - | 4.91 | 93,880 |
| 10 Westernmost Major Cities in Europe | 0 | - | 4.41 | 23,137 |
| Most Guessed Cities by Country #3 | 0 | - | 4.88 | 42,702 |
| Summer Olympics Host Cities | 0 | - | 4.98 | 206,173 |
| Random European City to Country | 0 | - | 4.69 | 114,260 |
| Random Asian City to Country | 0 | - | 4.55 | 44,059 |
| Cities with the Biggest Economies | 0 | - | 4.91 | 127,021 |
| U.S. City Name Etymologies | 0 | - | 4.14 | 21,296 |
| Five Most Guessed Cities by Continent | 0 | - | 4.96 | 110,811 |
| Former Capitals Quiz | 0 | - | 4.87 | 70,010 |
| Capital Cities Chain | 0 | - | 4.87 | 79,305 |
| Coldest World Capitals | 0 | - | 4.95 | 131,979 |
| Capital Cities with Spanish Names | 0 | - | 4.89 | 74,106 |
| Name a Valid Capital #1 | 0 | - | 4.96 | 87,302 |
| Random State Capital to U.S. State | 0 | - | 4.81 | 84,944 |
| Which City In the United Kingdom? | 0 | - | 4.97 | 91,833 |
| Most Mentioned Enemies of the USA | 0 | - | 4.77 | 171,040 |
| Canada or Africa by Area | 0 | - | 4.65 | 17,166 |
| Belize Country Quiz | 0 | - | 4.87 | 20,341 |
| South America Map Quiz | 0 | - | 5.00 | 1,515,155 |
| Latin American Countries Map Quiz | 0 | - | 4.97 | 123,229 |
| Flags of North and South America | 0 | - | 4.99 | 343,796 |
| Territories of the United States | 0 | - | 4.78 | 51,366 |
| Canada Immigration by Country | 0 | - | 4.51 | 61,012 |
| Five Biggest Immigrant Groups by Decade in the US | 0 | - | 4.78 | 38,245 |
| U.S. States with the Highest Population Density | 0 | - | 4.47 | 67,924 |
