| Capitals of Canadian Provinces | 0 | - | 4.86 | 72,945 |
| North America Capitals Quiz | 0 | - | 4.99 | 183,820 |
| Most-Visited U.S. Cities | 0 | - | 4.87 | 70,987 |
| Every U.S. Metro Area on a Map | 0 | - | 4.96 | 61,790 |
| Canada Provinces Map Quiz | 0 | - | 4.99 | 572,868 |
| Most Guessed U.S. Cities | 0 | - | 4.90 | 90,242 |
| South America Capitals Quiz | 0 | - | 5.00 | 414,892 |
| US State Capitals Quiz - No Hints | 0 | - | 4.98 | 79,065 |
| 10 Westernmost U.S. State Capitals | 0 | - | 4.85 | 38,743 |
| United States Map Quiz | 0 | - | 4.98 | 3,878,739 |
| Africa Capitals Quiz | 0 | - | 4.99 | 626,370 |
| Asia Capitals Quiz | 0 | - | 4.98 | 586,791 |
| Countries Closest to Canada | 0 | - | 4.90 | 183,121 |
| Top 10 Least Populous U.S. States | 0 | - | 4.94 | 171,078 |
| Top 10 Most Populous U.S. States | 0 | - | 4.97 | 148,312 |
| Countries of North America Quiz | 0 | - | 5.00 | 867,994 |
| 15 Largest Cities in Africa With a Map | 0 | - | 4.94 | 78,436 |
| 1M Cities by Proximity - United States | 0 | - | 4.49 | 135,730 |
| Most-Visited Cities in Europe | 0 | - | 4.92 | 55,464 |
| Biggest Cities in a Strip of the United States Map | 0 | - | 4.72 | 36,218 |
| Europe Capital to Country | 0 | - | 4.99 | 217,911 |
| Asia Capital to Country | 0 | - | 4.96 | 104,915 |
| EU Capitals with No Hints | 0 | - | 4.95 | 122,906 |
| European Capitals by Map | 0 | - | 4.99 | 90,466 |
| African Capitals by Map | 0 | - | 4.99 | 108,723 |
| Asian Capitals by Map | 0 | - | 4.98 | 45,838 |
| 10 Westernmost Capital Cities in Europe | 0 | - | 4.87 | 77,922 |
| 10 Northernmost Capital Cities in Europe | 0 | - | 4.95 | 71,124 |
| European Coastal Capitals | 0 | - | 4.95 | 76,389 |
| 10 Easternmost Capital Cities in Asia | 0 | - | 4.89 | 46,175 |
| Capitals of Oceania Quiz | 0 | - | 4.98 | 224,734 |
| Europe by Capitals and Borders in 30 Seconds | 0 | - | 4.90 | 191,532 |
| Capitals of Mediterranean Countries | 0 | - | 4.97 | 75,677 |
| U.S. Cities with the Highest Murder Rate | 0 | - | 4.58 | 129,849 |
| World Capitals Quiz | 0 | - | 5.00 | 4,452,965 |
| Central America and Caribbean Map Quiz | 0 | - | 4.89 | 846,797 |
| U.S. States with the Lowest Population Density | 0 | - | 4.92 | 80,063 |
| Official Cities in the UK | 0 | - | 4.87 | 229,749 |
| Southernmost Major Cities in the U.S. | 0 | - | 4.38 | 34,701 |
| Northernmost Major Cities in the U.S. | 0 | - | 4.34 | 35,848 |
| North America Cities by Map | 0 | - | 4.39 | 45,079 |
| U.S. Cities with the Most Homeless People | 0 | - | 4.26 | 31,785 |
| African Capitals - Map Quiz | 0 | - | 4.95 | 51,475 |
| Top 10 Most Remote European Capitals | 0 | - | 4.84 | 83,550 |
| European Capitals - Map Quiz | 0 | - | 4.98 | 104,114 |
| Middle East Capital Cities Quiz | 0 | - | 4.96 | 77,304 |
| European Capitals Furthest from the Sea | 0 | - | 4.92 | 66,460 |
| Asian Capitals - Map Quiz | 0 | - | 4.95 | 50,347 |
| European Capitals Ending in N | 0 | - | 4.91 | 73,407 |
| Speed Capital to U.S. State | 0 | - | 4.43 | 105,375 |
| 10 Southernmost U.S. State Capitals | 0 | - | 4.53 | 36,967 |
| Which City in Canada? | 0 | - | 4.89 | 44,871 |
| North American Capitals - Map Quiz | 0 | - | 4.91 | 46,322 |
| U.S. Cities with the Most International Tourists | 0 | - | 4.88 | 64,551 |
| Canada Provinces and Territories | 0 | - | 4.99 | 286,439 |
| All First-Level Subdivisions of North America on a Map | 0 | - | 4.97 | 45,731 |
| U.S. State Border Crossings | 0 | - | 4.96 | 81,370 |
| Five Biggest Immigrant Groups by Decade in the US | 0 | - | 4.82 | 32,355 |
| States of the U.S. in Alphabetical Order | 0 | - | 4.98 | 337,938 |
| U.S Cities by African-American Population | 0 | - | 4.40 | 82,482 |
| Important Places in U.S. History | 0 | - | 4.23 | 36,361 |
| 100 Biggest Cities and Towns in the UK | 0 | - | 4.96 | 90,688 |
| Europe Capitals Quiz | 0 | - | 5.00 | 1,366,996 |
| World Capitals by First Two Letters in 90 Seconds | 0 | - | 4.35 | 230,128 |
| European Capital Superlatives - Top 2 | 0 | - | 4.93 | 61,276 |
| U.S. Suburbs Quiz | 0 | - | 4.45 | 17,553 |
| Central American Countries | 0 | - | 4.98 | 137,709 |
| Caribbean Countries and Territories | 0 | - | 4.83 | 103,420 |
| Total United States Immigration by Country | 0 | - | 4.89 | 95,785 |
| "Do Not Travel" Countries for U.S. Citizens | 0 | - | 4.95 | 181,688 |
| Caribbean / Lesser Antilles Map Quiz | 0 | - | 4.99 | 115,277 |
| Mexico States Map Quiz | 0 | - | 4.84 | 89,326 |
| Asian Countries Americans Travel to the Most | 0 | - | 4.83 | 53,978 |
| States of Mexico | 0 | - | 4.94 | 138,065 |
| South American Cities on the Map | 0 | - | 4.55 | 32,918 |
| South American Capitals - Map Quiz | 0 | - | 4.98 | 114,538 |
| World Capitals Closest to Bangkok | 0 | - | 4.91 | 37,911 |
| Most Guessed European Capitals | 0 | - | 4.89 | 95,994 |
| Nordic Countries and Capitals | 0 | - | 4.94 | 76,162 |
| Random European Capital to Country | 0 | - | 4.97 | 151,324 |
| Random European Country to Capital | 0 | - | 4.92 | 133,901 |
| Random Asian Country to Capital | 0 | - | 4.94 | 84,966 |
| Random Asian Capital to Country | 0 | - | 4.97 | 88,279 |
| Most-Visited Countries by Americans | 0 | - | 4.86 | 91,833 |
| Countries that Visit the United States the Most | 0 | - | 4.95 | 77,444 |
| Canada Country Quiz | 0 | - | 4.49 | 120,327 |
| Canada Cities Map Quiz | 0 | - | 4.65 | 108,706 |
| Pixelated United States Map | 0 | - | 4.91 | 81,175 |
| The 13 Colonies Quiz | 0 | - | 4.97 | 99,279 |
| U.S. States with the Letter Y | 0 | - | 4.86 | 94,940 |
| 10 Southernmost U.S. States | 0 | - | 4.84 | 97,966 |
| U.S. States with Short Names | 0 | - | 4.87 | 128,141 |
| U.S. States that Start with M | 0 | - | 4.91 | 148,998 |
| U.S. States By Population | 0 | - | 4.90 | 129,112 |
| U.S. States that Start with N | 0 | - | 4.95 | 154,139 |
| U.S. States with Longest Names | 0 | - | 4.84 | 35,409 |
| 10 Northernmost U.S. States | 0 | - | 4.86 | 59,592 |
| 10 Westernmost U.S. States | 0 | - | 4.95 | 57,799 |
| The Only Remaining U.S. State . . . | 0 | - | 4.94 | 54,150 |
| Top 10 Largest U.S. States by Area | 0 | - | 4.95 | 144,218 |
| Top 10 Smallest U.S. States by Area | 0 | - | 4.98 | 166,750 |
| Top 10 Poorest U.S. States by Median Income | 0 | - | 4.85 | 98,460 |
| Westernmost Cities in the U.S. | 0 | - | 4.35 | 15,596 |
| Global Cities on a World Map | 0 | - | 4.93 | 90,563 |
| U.S. State Capitals Quiz | 0 | - | 5.00 | 1,513,996 |
| U.S. Cities with the Biggest Economies | 0 | - | 4.82 | 60,470 |
| Northernmost Capital Cities | 0 | - | 4.98 | 92,893 |
| Most Remote Capital Cities | 0 | - | 4.90 | 42,986 |
| Capital Cities: Ports and Saints | 0 | - | 4.94 | 33,609 |
| Capitals with the Shortest Names | 0 | - | 4.96 | 89,542 |
| Same Letter Country and Capital | 0 | - | 4.99 | 125,748 |
| Countries by Capital City | 0 | - | 4.99 | 48,059 |
| Capital Cities Based on First Two Letters | 0 | - | 4.84 | 65,192 |
| Capitals of the Largest Countries by Area | 0 | - | 4.97 | 92,940 |
| Divided Capital Name Puzzle #1 | 0 | - | 4.99 | 72,079 |
| Moved Capital Cities | 0 | - | 4.94 | 51,841 |
| Random African Capitals on a Map | 0 | - | 4.95 | 47,646 |
| US State Capitals by Proximity in 30 Seconds | 0 | - | 4.18 | 119,591 |
| US State Capitals by First Two Letters in 45 seconds | 0 | - | 4.06 | 55,833 |
| 10 Northernmost U.S. State Capitals | 0 | - | 4.55 | 30,136 |
| U.S State Capitals on the Sea | 0 | - | 4.52 | 24,958 |
| 10 Easternmost U.S. State Capitals | 0 | - | 4.49 | 28,994 |
| Which City in Europe? | 0 | - | 4.85 | 96,700 |
| Most-Visited Countries by Canadians | 0 | - | 4.79 | 37,810 |
| Countries that Beat the United States | 0 | - | 4.92 | 143,436 |
| Ontario Cities Map Quiz | 0 | - | 4.63 | 17,743 |
| Top 10 Most-Visited U.S. States | 0 | - | 4.89 | 88,277 |
| U.S. States with the Most Immigrants | 0 | - | 4.86 | 72,570 |
| Capitals of the Most Populated Countries | 0 | - | 4.96 | 116,195 |
| American TV Show Settings Quiz | 0 | - | 4.35 | 29,597 |
| Summer Olympic City Bids | 0 | - | 4.93 | 36,746 |
| Cities with the Most Metro Rail Stations | 0 | - | 4.87 | 90,463 |
| Cities by Former Name | 0 | - | 4.85 | 70,109 |
| Capitals in their Native Languages | 0 | - | 4.95 | 127,070 |
| Nearest Capital City #1 | 0 | - | 4.81 | 52,161 |
| World Capitals by Proximity | 0 | - | 4.87 | 284,289 |
| World Capitals Deepest in a Country's Territory | 0 | - | 4.96 | 48,528 |
| World Capitals by Map | 0 | - | 5.00 | 237,613 |
| Capital Cities in a Ring of the World Map | 0 | - | 4.95 | 49,856 |
| Random Capital to Country | 0 | - | 4.99 | 2,340,179 |
| Random Country to Capital | 0 | - | 4.98 | 793,536 |
| World Capitals By Letter - H | 0 | - | 4.84 | 70,701 |
| World Capitals By Letter - K | 0 | - | 4.82 | 65,385 |
| World Capitals By Letter - M | 0 | - | 4.90 | 85,280 |
| World Capitals By Letter - P | 0 | - | 4.85 | 66,517 |
| World Capitals By Letter - R | 0 | - | 4.87 | 71,793 |
| World Capitals By Letter - S | 0 | - | 4.89 | 73,907 |
| World Capitals By Letter - W | 0 | - | 4.88 | 81,659 |
| World Capitals By Letter - A | 0 | - | 4.96 | 103,670 |
| World Capitals By Letter - B | 0 | - | 4.84 | 96,049 |
| World Capitals By Letter - D | 0 | - | 4.91 | 78,333 |
| U.S. State Capitals Map Quiz | 0 | - | 4.91 | 123,105 |
| Fastest Growing U.S. States Since 1960 | 0 | - | 4.45 | 64,499 |
| Important Cities in European History | 0 | - | 4.56 | 109,216 |
| European Cities by Map #2 | 0 | - | 4.47 | 44,269 |
| European Cities by Map #1 | 0 | - | 4.59 | 51,571 |
| Asian Cities by Map #1 | 0 | - | 4.49 | 38,816 |
| Mediterranean Cities by Map | 0 | - | 4.47 | 48,990 |
| Cities in Squares on a Map - Europe | 0 | - | 4.76 | 45,179 |
| U.S. City Name Etymologies | 0 | - | 4.17 | 20,515 |
| Random State Capital to U.S. State | 0 | - | 4.85 | 73,392 |
| Which City In the United Kingdom? | 0 | - | 4.96 | 73,976 |
| Canada or Africa by Area | 0 | - | 4.79 | 13,097 |
| South America Map Quiz | 0 | - | 5.00 | 1,409,076 |
| U.S. States with the Highest Population Density | 0 | - | 4.46 | 66,307 |
| Countries of Europe by Population | 0 | - | 4.98 | 124,285 |
| U.S. Cities with the Most Skyscrapers | 0 | - | 4.91 | 89,127 |
| Summer Olympics Host Cities | 0 | - | 4.98 | 192,063 |
| Random European City to Country | 0 | - | 4.72 | 105,276 |
| Random Asian City to Country | 0 | - | 4.52 | 33,441 |
| Cities with the Biggest Economies | 0 | - | 4.92 | 117,371 |
| Five Most Guessed Cities by Continent | 0 | - | 4.97 | 103,913 |
| Capital Cities Chain | 0 | - | 4.87 | 70,745 |
| Coldest World Capitals | 0 | - | 4.96 | 127,670 |
| Name a Valid Capital #1 | 0 | - | 4.96 | 77,795 |
| Most Mentioned Enemies of the USA | 0 | - | 4.79 | 158,374 |
| Latin American Countries Map Quiz | 0 | - | 4.97 | 104,754 |
| Territories of the United States | 0 | - | 4.76 | 48,177 |
| Canada Immigration by Country | 0 | - | 4.52 | 56,702 |
| Top 10 Most Populous European Countries | 0 | - | 4.97 | 203,178 |
| Top 10 Most Populous Asian Countries | 0 | - | 4.96 | 159,247 |
| Top 10 Most Populous African Countries | 0 | - | 4.98 | 155,853 |
| Top 10 Most Densely-Populated Countries in Asia | 0 | - | 4.90 | 79,857 |
| Top 10 Asian Countries by Population Increase | 0 | - | 4.89 | 83,770 |
| Biggest City by Body of Water | 0 | - | 4.52 | 38,788 |
| Global Cities Quiz | 0 | - | 4.64 | 156,267 |
| Southernmost Major Cities | 0 | - | 4.41 | 45,120 |
| U.S. City Prefixes and Suffixes | 0 | - | 4.45 | 67,968 |
| Cities with the Most Foreign Embassies | 0 | - | 4.66 | 45,142 |
| Most Appealing Cities for Working Abroad | 0 | - | 4.41 | 34,914 |
| UK Cities and Towns by Map | 0 | - | 4.56 | 43,582 |
| Southeast Asian Cities by Map | 0 | - | 4.63 | 24,775 |
| British Cities with the Most Tourists | 0 | - | 4.79 | 55,210 |
| Most Guessed Cities by Country #3 | 0 | - | 4.90 | 18,597 |
| European Cities with the Biggest Economies | 0 | - | 4.58 | 35,054 |
| Divided World City Name Puzzle #1 | 0 | - | 4.90 | 39,199 |
| Cities in the United Kingdom by Proximity | 0 | - | 4.57 | 36,471 |
| Capitals A-Z | 0 | - | 4.83 | 41,513 |
| World Capitals Closest to Jerusalem | 0 | - | 4.45 | 42,655 |
| Capital Cities by Body of Water | 0 | - | 4.87 | 52,962 |
