| Capitals of Canadian Provinces | 0 | - | 4.85 | 79,943 |
| South America Capitals Quiz | 0 | - | 5.00 | 433,498 |
| Africa Capitals Quiz | 0 | - | 4.99 | 649,021 |
| Asia Capitals Quiz | 0 | - | 4.98 | 606,545 |
| US State Capitals Quiz - No Hints | 0 | - | 4.96 | 80,963 |
| 10 Westernmost U.S. State Capitals | 0 | - | 4.88 | 44,887 |
| Most-Visited U.S. Cities | 0 | - | 4.87 | 75,225 |
| Every U.S. Metro Area on a Map | 0 | - | 4.97 | 64,583 |
| Europe Capital to Country | 0 | - | 4.99 | 223,370 |
| Asia Capital to Country | 0 | - | 4.96 | 107,226 |
| EU Capitals with No Hints | 0 | - | 4.96 | 127,004 |
| European Capitals by Map | 0 | - | 4.99 | 97,788 |
| African Capitals by Map | 0 | - | 4.99 | 113,791 |
| Asian Capitals by Map | 0 | - | 4.98 | 49,006 |
| 10 Westernmost Capital Cities in Europe | 0 | - | 4.89 | 80,435 |
| 10 Northernmost Capital Cities in Europe | 0 | - | 4.95 | 73,798 |
| European Coastal Capitals | 0 | - | 4.95 | 78,559 |
| 10 Easternmost Capital Cities in Asia | 0 | - | 4.90 | 47,458 |
| Capitals of Oceania Quiz | 0 | - | 4.99 | 234,015 |
| Europe by Capitals and Borders in 30 Seconds | 0 | - | 4.90 | 197,323 |
| Capitals of Mediterranean Countries | 0 | - | 4.96 | 76,745 |
| Most Guessed U.S. Cities | 0 | - | 4.90 | 93,084 |
| African Capitals - Map Quiz | 0 | - | 4.95 | 53,473 |
| Top 10 Most Remote European Capitals | 0 | - | 4.85 | 85,409 |
| European Capitals - Map Quiz | 0 | - | 4.97 | 107,165 |
| Middle East Capital Cities Quiz | 0 | - | 4.96 | 79,143 |
| European Capitals Furthest from the Sea | 0 | - | 4.92 | 67,684 |
| Asian Capitals - Map Quiz | 0 | - | 4.95 | 52,619 |
| European Capitals Ending in N | 0 | - | 4.92 | 74,831 |
| European Capital Superlatives - Top 2 | 0 | - | 4.93 | 62,348 |
| Capitals of the Most Populated Countries | 0 | - | 4.96 | 118,075 |
| United States Map Quiz | 0 | - | 4.98 | 3,933,400 |
| South American Capitals - Map Quiz | 0 | - | 4.98 | 117,722 |
| Most Guessed European Capitals | 0 | - | 4.89 | 97,089 |
| Nordic Countries and Capitals | 0 | - | 4.94 | 77,456 |
| Random European Capital to Country | 0 | - | 4.97 | 154,931 |
| Random European Country to Capital | 0 | - | 4.92 | 136,882 |
| Random Asian Country to Capital | 0 | - | 4.93 | 86,779 |
| Random Asian Capital to Country | 0 | - | 4.97 | 90,880 |
| World Capitals by First Two Letters in 90 Seconds | 0 | - | 4.37 | 235,866 |
| Speed Capital to U.S. State | 0 | - | 4.45 | 107,630 |
| 10 Southernmost U.S. State Capitals | 0 | - | 4.51 | 37,458 |
| Countries of North America Quiz | 0 | - | 5.00 | 897,034 |
| Canada Provinces Map Quiz | 0 | - | 4.99 | 591,080 |
| Top 10 Least Populous U.S. States | 0 | - | 4.93 | 174,923 |
| Top 10 Most Populous U.S. States | 0 | - | 4.97 | 151,881 |
| 15 Largest Cities in Africa With a Map | 0 | - | 4.95 | 95,808 |
| 1M Cities by Proximity - United States | 0 | - | 4.50 | 138,890 |
| Most-Visited Cities in Europe | 0 | - | 4.92 | 58,885 |
| Biggest Cities in a Strip of the United States Map | 0 | - | 4.72 | 37,033 |
| World Capitals Quiz | 0 | - | 5.00 | 4,574,182 |
| World Capitals Closest to Bangkok | 0 | - | 4.91 | 38,467 |
| Random African Capitals on a Map | 0 | - | 4.95 | 49,078 |
| Random Asian Capitals on a Map | 0 | - | 4.83 | 45,788 |
| Official Cities in the UK | 0 | - | 4.87 | 236,672 |
| Southernmost Major Cities in the U.S. | 0 | - | 4.39 | 35,013 |
| Northernmost Major Cities in the U.S. | 0 | - | 4.37 | 40,303 |
| North America Cities by Map | 0 | - | 4.40 | 45,645 |
| U.S. Cities with the Most Homeless People | 0 | - | 4.28 | 32,135 |
| U.S. Cities with the Highest Murder Rate | 0 | - | 4.57 | 131,692 |
| Countries by Capitals and Borders in 90 Seconds | 0 | - | 4.85 | 209,720 |
| U.S. State Capitals Map Quiz | 0 | - | 4.92 | 127,791 |
| Central America and Caribbean Map Quiz | 0 | - | 4.89 | 859,182 |
| North American Capitals - Map Quiz | 0 | - | 4.89 | 48,318 |
| U.S. Cities with the Most International Tourists | 0 | - | 4.88 | 66,465 |
| Canada Provinces and Territories | 0 | - | 4.99 | 293,943 |
| All First-Level Subdivisions of North America on a Map | 0 | - | 4.98 | 49,469 |
| U.S. State Border Crossings | 0 | - | 4.96 | 82,987 |
| U.S. States with the Lowest Population Density | 0 | - | 4.92 | 89,356 |
| Europe Capitals Quiz | 0 | - | 5.00 | 1,407,791 |
| US State Capitals by Proximity in 30 Seconds | 0 | - | 4.18 | 122,027 |
| US State Capitals by First Two Letters in 45 seconds | 0 | - | 4.06 | 56,550 |
| 10 Northernmost U.S. State Capitals | 0 | - | 4.55 | 30,396 |
| U.S State Capitals on the Sea | 0 | - | 4.53 | 25,205 |
| 10 Easternmost U.S. State Capitals | 0 | - | 4.48 | 29,313 |
| Random State Capital to U.S. State | 0 | - | 4.85 | 76,320 |
| States of the U.S. in Alphabetical Order | 0 | - | 4.97 | 343,358 |
| U.S Cities by African-American Population | 0 | - | 4.40 | 83,390 |
| British Cities with the Most Tourists | 0 | - | 4.82 | 57,148 |
| Important Places in U.S. History | 0 | - | 4.23 | 36,556 |
| 100 Biggest Cities and Towns in the UK | 0 | - | 4.97 | 97,807 |
| U.S. Suburbs Quiz | 0 | - | 4.45 | 17,669 |
| Central American Countries | 0 | - | 4.98 | 141,321 |
| Caribbean Countries and Territories | 0 | - | 4.83 | 105,650 |
| Total United States Immigration by Country | 0 | - | 4.90 | 98,208 |
| "Do Not Travel" Countries for U.S. Citizens | 0 | - | 4.94 | 189,045 |
| Caribbean / Lesser Antilles Map Quiz | 0 | - | 4.99 | 118,126 |
| Asian Countries Americans Travel to the Most | 0 | - | 4.84 | 55,844 |
| States of Mexico | 0 | - | 4.94 | 145,115 |
| South American Cities on the Map | 0 | - | 4.55 | 33,473 |
| Global Cities on a World Map | 0 | - | 4.92 | 92,884 |
| Northernmost Capital Cities | 0 | - | 4.98 | 95,991 |
| Most Remote Capital Cities | 0 | - | 4.90 | 44,885 |
| Capital Cities: Ports and Saints | 0 | - | 4.94 | 35,597 |
| Capitals with the Shortest Names | 0 | - | 4.96 | 93,229 |
| Same Letter Country and Capital | 0 | - | 4.99 | 130,165 |
| Countries by Capital City | 0 | - | 4.99 | 51,436 |
| Capital Cities Based on First Two Letters | 0 | - | 4.85 | 67,164 |
| Capitals of the Largest Countries by Area | 0 | - | 4.96 | 106,169 |
| Divided Capital Name Puzzle #1 | 0 | - | 4.99 | 74,366 |
| Asian Coastal Capitals | 0 | - | 4.54 | 20,480 |
| European Capitals with the Least Sunshine | 0 | - | 4.48 | 48,043 |
| Word Scramble - European Capitals | 0 | - | 4.79 | 88,296 |
| Moved Capital Cities | 0 | - | 4.96 | 67,940 |
| 10 Westernmost Capital Cities in Asia | 0 | - | 4.63 | 14,094 |
| Westernmost Cities in the U.S. | 0 | - | 4.37 | 15,766 |
| U.S. State Capitals Quiz | 0 | - | 5.00 | 1,547,902 |
| Melbourne Suburbs | 0 | - | 4.81 | 38,986 |
| Canada or Africa by Area | 0 | - | 4.81 | 14,460 |
| Most-Visited Countries by Americans | 0 | - | 4.87 | 95,320 |
| Countries that Visit the United States the Most | 0 | - | 4.96 | 80,321 |
| Countries Closest to Canada | 0 | - | 4.90 | 186,130 |
| Pixelated United States Map | 0 | - | 4.90 | 83,754 |
| The 13 Colonies Quiz | 0 | - | 4.97 | 102,126 |
| U.S. States with the Letter Y | 0 | - | 4.86 | 97,814 |
| 10 Southernmost U.S. States | 0 | - | 4.86 | 100,796 |
| U.S. States with Short Names | 0 | - | 4.87 | 132,066 |
| U.S. States that Start with M | 0 | - | 4.91 | 152,657 |
| U.S. States By Population | 0 | - | 4.90 | 131,461 |
| U.S. States that Start with N | 0 | - | 4.95 | 157,424 |
| U.S. States with Longest Names | 0 | - | 4.84 | 36,827 |
| 10 Northernmost U.S. States | 0 | - | 4.89 | 74,742 |
| 10 Westernmost U.S. States | 0 | - | 4.95 | 59,004 |
| The Only Remaining U.S. State . . . | 0 | - | 4.94 | 57,094 |
| Top 10 Largest U.S. States by Area | 0 | - | 4.95 | 146,808 |
| Top 10 Smallest U.S. States by Area | 0 | - | 4.98 | 168,783 |
| Top 10 Poorest U.S. States by Median Income | 0 | - | 4.85 | 99,816 |
| Top 10 Least Obese U.S. States | 0 | - | 4.81 | 69,348 |
| Summer Olympic City Bids | 0 | - | 4.93 | 37,610 |
| U.S. Cities with the Biggest Economies | 0 | - | 4.83 | 62,700 |
| Cities with the Most Metro Rail Stations | 0 | - | 4.86 | 92,633 |
| Cities by Former Name | 0 | - | 4.84 | 83,755 |
| Capitals in their Native Languages | 0 | - | 4.94 | 128,137 |
| Nearest Capital City #1 | 0 | - | 4.82 | 52,933 |
| World Capitals by Proximity | 0 | - | 4.89 | 303,559 |
| Most Guessed Asian Capitals | 0 | - | 4.51 | 63,909 |
| World Capitals Deepest in a Country's Territory | 0 | - | 4.96 | 49,303 |
| World Capitals by Map | 0 | - | 5.00 | 247,460 |
| Capital Cities in a Ring of the World Map | 0 | - | 4.95 | 51,030 |
| Random Capital to Country | 0 | - | 4.99 | 2,395,352 |
| Random Country to Capital | 0 | - | 4.98 | 814,661 |
| World Capitals By Letter - H | 0 | - | 4.85 | 72,098 |
| World Capitals By Letter - K | 0 | - | 4.82 | 66,764 |
| World Capitals By Letter - M | 0 | - | 4.89 | 87,123 |
| World Capitals By Letter - P | 0 | - | 4.85 | 67,985 |
| World Capitals By Letter - R | 0 | - | 4.88 | 73,080 |
| World Capitals By Letter - S | 0 | - | 4.89 | 75,445 |
| World Capitals By Letter - T | 0 | - | 4.81 | 67,255 |
| World Capitals By Letter - W | 0 | - | 4.88 | 83,104 |
| World Capitals By Letter - A | 0 | - | 4.96 | 106,297 |
| World Capitals By Letter - B | 0 | - | 4.84 | 98,089 |
| World Capitals By Letter - D | 0 | - | 4.91 | 80,134 |
| Which City in Europe? | 0 | - | 4.85 | 98,752 |
| Countries that Beat the United States | 0 | - | 4.92 | 148,131 |
| Top 10 Most-Visited U.S. States | 0 | - | 4.90 | 91,011 |
| U.S. States with the Most Immigrants | 0 | - | 4.85 | 74,491 |
| Fastest Growing U.S. States Since 1960 | 0 | - | 4.46 | 65,462 |
| American TV Show Settings Quiz | 0 | - | 4.35 | 29,797 |
| Important Cities in European History | 0 | - | 4.55 | 110,815 |
| European Cities by Map #2 | 0 | - | 4.48 | 44,770 |
| European Cities by Map #1 | 0 | - | 4.66 | 52,231 |
| Asian Cities by Map #1 | 0 | - | 4.49 | 39,141 |
| Mediterranean Cities by Map | 0 | - | 4.49 | 49,515 |
| Cities in Squares on a Map - Europe | 0 | - | 4.75 | 46,946 |
| World Capitals Closest to Madrid | 0 | - | 4.49 | 41,560 |
| Countries of Europe by Population | 0 | - | 4.98 | 131,175 |
| Most Populous World Capitals | 0 | - | 4.94 | 162,153 |
| Biggest City by Body of Water | 0 | - | 4.52 | 39,063 |
| Global Cities Quiz | 0 | - | 4.64 | 157,803 |
| Southernmost Major Cities | 0 | - | 4.42 | 45,504 |
| U.S. City Prefixes and Suffixes | 0 | - | 4.46 | 69,082 |
| Cities with the Most Foreign Embassies | 0 | - | 4.66 | 45,560 |
| Most Appealing Cities for Working Abroad | 0 | - | 4.42 | 35,148 |
| U.S. Cities with the Most Skyscrapers | 0 | - | 4.91 | 90,564 |
| Summer Olympics Host Cities | 0 | - | 4.98 | 195,781 |
| Random European City to Country | 0 | - | 4.71 | 108,434 |
| Random Asian City to Country | 0 | - | 4.53 | 42,752 |
| Cities with the Biggest Economies | 0 | - | 4.91 | 119,725 |
| U.S. City Name Etymologies | 0 | - | 4.17 | 20,730 |
| Five Most Guessed Cities by Continent | 0 | - | 4.97 | 105,583 |
| Former Capitals Quiz | 0 | - | 4.81 | 58,655 |
| India State Capitals Quiz | 0 | - | 4.31 | 55,842 |
| Capital Cities Chain | 0 | - | 4.86 | 72,555 |
| Coldest World Capitals | 0 | - | 4.96 | 128,725 |
| Capital Cities with Spanish Names | 0 | - | 4.85 | 63,623 |
| Europe Capitals - One Minute Sprint | 0 | - | 4.36 | 178,400 |
| Name a Valid Capital #1 | 0 | - | 4.96 | 80,123 |
| Which City In the United Kingdom? | 0 | - | 4.96 | 75,958 |
| Which City in Canada? | 0 | - | 4.90 | 45,933 |
| Most Mentioned Enemies of the USA | 0 | - | 4.79 | 162,003 |
| South America Map Quiz | 0 | - | 5.00 | 1,436,576 |
| Latin American Countries Map Quiz | 0 | - | 4.97 | 109,076 |
| Territories of the United States | 0 | - | 4.76 | 48,997 |
| Canada Immigration by Country | 0 | - | 4.51 | 57,945 |
| Five Biggest Immigrant Groups by Decade in the US | 0 | - | 4.79 | 34,654 |
| U.S. States with the Highest Population Density | 0 | - | 4.46 | 66,933 |
| Top 10 Most Populous European Countries | 0 | - | 4.98 | 209,403 |
| Top 10 Most Populous Asian Countries | 0 | - | 4.96 | 164,021 |
| Top 10 Most Populous African Countries | 0 | - | 4.98 | 160,421 |
| Top 10 Most Densely-Populated Countries in Asia | 0 | - | 4.90 | 82,326 |
