| Capitals of Canadian Provinces | 0 | - | 4.85 | 89,467 |
| Most-Visited U.S. Cities | 0 | - | 4.85 | 94,635 |
| Every U.S. Metro Area on a Map | 0 | - | 4.97 | 82,340 |
| U.S. State Capitals Quiz | 0 | - | 5.00 | 1,696,420 |
| Most Guessed U.S. Cities | 0 | - | 4.89 | 106,755 |
| U.S. Cities with the Biggest Economies | 0 | - | 4.83 | 73,224 |
| South America Capitals Quiz | 0 | - | 5.00 | 483,987 |
| US State Capitals Quiz - No Hints | 0 | - | 4.98 | 95,501 |
| 10 Westernmost U.S. State Capitals | 0 | - | 4.90 | 48,253 |
| U.S. State Capitals Map Quiz | 0 | - | 4.93 | 149,780 |
| Africa Capitals Quiz | 0 | - | 4.99 | 742,230 |
| Asia Capitals Quiz | 0 | - | 4.98 | 697,360 |
| Name a City - European Countries | 0 | - | 4.90 | 65,965 |
| South American Capitals - Map Quiz | 0 | - | 4.98 | 131,202 |
| Melbourne Suburbs | 0 | - | 4.86 | 54,016 |
| Most-Visited Countries by Canadians | 0 | - | 4.83 | 39,542 |
| Countries Closest to Canada | 0 | - | 4.91 | 198,886 |
| U.S. Suburbs Quiz | 0 | - | 4.47 | 18,431 |
| Top 10 Least Populous U.S. States | 0 | - | 4.94 | 192,410 |
| Top 10 Most Populous U.S. States | 0 | - | 4.97 | 177,415 |
| U.S Cities by African-American Population | 0 | - | 4.42 | 95,519 |
| 15 Largest Cities in Africa With a Map | 0 | - | 4.96 | 111,264 |
| 1M Cities by Proximity - United States | 0 | - | 4.63 | 151,620 |
| Most-Visited Cities in Europe | 0 | - | 4.83 | 75,824 |
| Biggest Cities in a Strip of the United States Map | 0 | - | 4.74 | 41,140 |
| Cities on Route 66 on a Map | 0 | - | 4.53 | 33,251 |
| Europe Capital to Country | 0 | - | 4.99 | 251,638 |
| Asia Capital to Country | 0 | - | 4.96 | 127,224 |
| EU Capitals with No Hints | 0 | - | 4.96 | 146,679 |
| European Capitals by Map | 0 | - | 4.99 | 141,499 |
| African Capitals by Map | 0 | - | 4.99 | 141,560 |
| Asian Capitals by Map | 0 | - | 4.98 | 63,647 |
| 10 Westernmost Capital Cities in Europe | 0 | - | 4.88 | 92,666 |
| 10 Northernmost Capital Cities in Europe | 0 | - | 4.96 | 85,003 |
| European Coastal Capitals | 0 | - | 4.95 | 91,114 |
| 10 Easternmost Capital Cities in Asia | 0 | - | 4.89 | 53,089 |
| Capitals of Oceania Quiz | 0 | - | 4.99 | 271,881 |
| Europe by Capitals and Borders in 30 Seconds | 0 | - | 4.88 | 225,360 |
| Capitals of Mediterranean Countries | 0 | - | 4.95 | 82,065 |
| Countries that Beat Canada | 0 | - | 4.91 | 98,812 |
| World Capitals Quiz | 0 | - | 5.00 | 5,096,860 |
| U.S. States with the Lowest Population Density | 0 | - | 4.92 | 94,094 |
| Official Cities in the UK | 0 | - | 4.89 | 285,528 |
| U.S. Cities with the Highest Murder Rate | 0 | - | 4.55 | 138,920 |
| Random U.S. City to State | 0 | - | 4.45 | 76,765 |
| All 1M+ Cities in Africa on a Map | 0 | - | 4.93 | 26,875 |
| Richest Metro Areas in the U.S. | 0 | - | 4.42 | 44,022 |
| North America Capitals Quiz | 0 | - | 4.99 | 221,575 |
| African Capitals - Map Quiz | 0 | - | 4.94 | 63,021 |
| Top 10 Most Remote European Capitals | 0 | - | 4.87 | 94,429 |
| European Capitals - Map Quiz | 0 | - | 4.97 | 119,875 |
| Middle East Capital Cities Quiz | 0 | - | 4.96 | 88,269 |
| European Capitals Furthest from the Sea | 0 | - | 4.92 | 82,474 |
| Asian Capitals - Map Quiz | 0 | - | 4.95 | 61,799 |
| European Capitals Ending in N | 0 | - | 4.92 | 81,593 |
| US States Quiz | 0 | - | 5.00 | 16,963,164 |
| Capitals of the Stans | 0 | - | 4.95 | 27,067 |
| Cities Founded by the French in North America | 0 | - | 4.50 | 40,472 |
| Europe Capitals Quiz | 0 | - | 5.00 | 1,596,011 |
| Speed Capital to U.S. State | 0 | - | 4.45 | 114,253 |
| 10 Southernmost U.S. State Capitals | 0 | - | 4.51 | 39,109 |
| 10 Northernmost U.S. State Capitals | 0 | - | 4.57 | 35,840 |
| 10 Easternmost U.S. State Capitals | 0 | - | 4.50 | 34,758 |
| Which City in Canada? | 0 | - | 4.83 | 57,274 |
| Boroughs of New York City | 0 | - | 4.47 | 84,866 |
| States of the U.S. in Alphabetical Order | 0 | - | 4.98 | 368,274 |
| British Cities with the Most Tourists | 0 | - | 4.83 | 70,735 |
| Cities in U.S. History #1 | 0 | - | 4.31 | 45,497 |
| 100 Biggest Cities and Towns in the UK | 0 | - | 4.98 | 150,490 |
| World Capitals by First Two Letters in 90 Seconds | 0 | - | 4.35 | 246,702 |
| Name a Valid European Capital | 0 | - | 4.95 | 153,302 |
| European Capital Superlatives - Top 2 | 0 | - | 4.95 | 81,458 |
| Top 10 Oldest U.S. State Capitals | 0 | - | 4.55 | 32,185 |
| Total United States Immigration by Country | 0 | - | 4.91 | 112,167 |
| "Do Not Travel" Countries for U.S. Citizens | 0 | - | 4.97 | 245,819 |
| Mexico States Map Quiz | 0 | - | 4.84 | 105,444 |
| Name the U.S. National Parks | 0 | - | 4.86 | 60,340 |
| States of Mexico | 0 | - | 4.96 | 177,660 |
| All 3,143 Counties of the United States on a Map | 0 | - | 4.97 | 334,578 |
| Biggest Cities in the U.S. - Extreme | 0 | - | 4.95 | 159,864 |
| 15 Largest Cities in North America With a Map | 0 | - | 4.98 | 47,829 |
| Biggest Cities in Each U.S. State - Extreme | 0 | - | 4.91 | 84,060 |
| 10 Biggest Cities by U.S. State | 0 | - | 4.95 | 42,289 |
| 500 Biggest U.S. Urban Areas | 0 | - | 4.90 | 117,871 |
| 100 Biggest Cities in North America on a Map | 0 | - | 4.84 | 62,759 |
| U.S. Cities Chain | 0 | - | 4.21 | 35,666 |
| South American Cities on the Map | 0 | - | 4.52 | 35,526 |
| Global Cities on a World Map | 0 | - | 4.93 | 137,014 |
| ALL California Cities | 0 | - | 4.37 | 43,190 |
| U.S. Cities with the Least Precipitation | 0 | - | 4.42 | 12,487 |
| Northernmost Capital Cities | 0 | - | 4.98 | 110,936 |
| Most Remote Capital Cities | 0 | - | 4.92 | 53,823 |
| Capital Cities: Ports and Saints | 0 | - | 4.96 | 46,006 |
| Capitals with the Shortest Names | 0 | - | 4.97 | 109,946 |
| Same Letter Country and Capital | 0 | - | 4.99 | 157,832 |
| Countries by Capital City | 0 | - | 5.00 | 69,111 |
| Capital Cities Based on First Two Letters | 0 | - | 4.85 | 77,678 |
| Capitals of the Largest Countries by Area | 0 | - | 4.96 | 115,072 |
| World Capitals by Proximity | 0 | - | 4.91 | 333,185 |
| Divided Capital Name Puzzle #1 | 0 | - | 4.99 | 84,646 |
| Most Guessed European Capitals | 0 | - | 4.87 | 101,730 |
| Moved Capital Cities | 0 | - | 4.96 | 74,544 |
| Nordic Countries and Capitals | 0 | - | 4.95 | 83,959 |
| World Capitals with a Unique First Letter | 0 | - | 4.82 | 75,752 |
| Random European Capital to Country | 0 | - | 4.98 | 191,861 |
| Random European Country to Capital | 0 | - | 4.93 | 165,680 |
| Random Asian Country to Capital | 0 | - | 4.92 | 96,887 |
| Random Asian Capital to Country | 0 | - | 4.97 | 103,279 |
| Random African Capital to Country | 0 | - | 4.97 | 101,159 |
| Random African Country to Capital | 0 | - | 4.94 | 71,629 |
| Most-Visited Countries by Americans | 0 | - | 4.86 | 110,280 |
| Countries that Visit the United States the Most | 0 | - | 4.96 | 92,250 |
| Canada Country Quiz | 0 | - | 4.55 | 132,899 |
| Canada Cities Map Quiz | 0 | - | 4.64 | 124,499 |
| Mexico Cities Map Quiz | 0 | - | 4.83 | 38,768 |
| Pixelated United States Map | 0 | - | 4.88 | 94,657 |
| The 13 Colonies Quiz | 0 | - | 4.97 | 118,808 |
| U.S. States with the Letter Y | 0 | - | 4.85 | 112,032 |
| 10 Southernmost U.S. States | 0 | - | 4.89 | 114,047 |
| U.S. States with Short Names | 0 | - | 4.91 | 149,696 |
| U.S. States that Start with M | 0 | - | 4.93 | 188,055 |
| U.S. States By Population | 0 | - | 4.92 | 153,972 |
| U.S. States that Start with N | 0 | - | 4.95 | 172,002 |
| U.S. States with Longest Names | 0 | - | 4.84 | 44,764 |
| U.S. States with a Unique First Letter | 0 | - | 4.96 | 88,728 |
| 10 Westernmost U.S. States | 0 | - | 4.95 | 64,451 |
| The Only Remaining U.S. State . . . | 0 | - | 4.93 | 65,962 |
| World Capitals Closest to Bangkok | 0 | - | 4.91 | 41,116 |
| Random African Capitals on a Map | 0 | - | 4.96 | 55,157 |
| Random Asian Capitals on a Map | 0 | - | 4.83 | 51,287 |
| Random European Capitals on a Map | 0 | - | 4.97 | 135,243 |
| US State Capitals by Proximity in 30 Seconds | 0 | - | 4.17 | 129,650 |
| US State Capitals by First Two Letters in 45 seconds | 0 | - | 4.09 | 58,214 |
| U.S State Capitals on the Sea | 0 | - | 4.53 | 26,239 |
| U.S. State Capital Etymology | 0 | - | 4.53 | 37,060 |
| Name a Valid U.S. State Capital #1 | 0 | - | 4.75 | 54,662 |
| U.S. State Capitals Closest to Canada | 0 | - | 4.64 | 34,036 |
| Which City in Europe? | 0 | - | 4.83 | 107,771 |
| Countries Closest to United States by Continent | 0 | - | 4.99 | 146,981 |
| Countries that Beat the United States | 0 | - | 4.93 | 168,336 |
| Top 10 Most-Visited U.S. States | 0 | - | 4.90 | 102,291 |
| 10 Longest Rivers in the United States | 0 | - | 4.85 | 39,330 |
| U.S. States with the Most Immigrants | 0 | - | 4.85 | 82,928 |
| US States with an Empty Map | 0 | - | 5.00 | 627,520 |
| U.S. States or European Countries by Area | 0 | - | 4.95 | 96,795 |
| Louisiana Purchase with a Map | 0 | - | 4.96 | 49,122 |
| U.S. States or European Countries by Population | 0 | - | 4.97 | 133,908 |
| Capitals of the Most Populated Countries | 0 | - | 4.96 | 128,295 |
| Fastest Growing U.S. States Since 1960 | 0 | - | 4.48 | 76,287 |
| North American Sports Cities | 0 | - | 4.83 | 172,961 |
| American TV Show Settings | 0 | - | 4.37 | 30,690 |
| Summer Olympic City Bids | 0 | - | 4.94 | 42,501 |
| Cities in European History #1 | 0 | - | 4.63 | 134,456 |
| European Cities by Map #2 | 0 | - | 4.49 | 47,426 |
| European Cities by Map #1 | 0 | - | 4.67 | 55,857 |
| Asian Cities by Map #1 | 0 | - | 4.50 | 40,936 |
| Mediterranean Cities by Map | 0 | - | 4.51 | 51,192 |
| Cities with the Most Metro Rail Stations | 0 | - | 4.89 | 102,806 |
| Cities in Squares on a Map - Europe | 0 | - | 4.69 | 54,347 |
| Category Elimination - U.S. Metro Areas | 0 | - | 4.41 | 26,843 |
| Name a Valid World City | 0 | - | 4.84 | 71,771 |
| Cities by Former Name | 0 | - | 4.83 | 91,915 |
| Capitals in their Native Languages | 0 | - | 4.95 | 133,610 |
| Nearest Capital City #1 | 0 | - | 4.83 | 57,892 |
| Capitals Furthest from the Border | 0 | - | 4.96 | 69,649 |
| World Capitals by Map | 0 | - | 5.00 | 288,683 |
| Capital Cities in a Ring of the World Map | 0 | - | 4.95 | 58,691 |
| Random Capital to Country | 0 | - | 4.99 | 2,598,557 |
| Random Country to Capital | 0 | - | 4.98 | 925,691 |
| Capitals Starting With H | 0 | - | 4.91 | 92,997 |
| Capitals Starting With K | 0 | - | 4.88 | 84,048 |
| Capitals Starting With L | 0 | - | 4.81 | 90,975 |
| Capitals Starting With M | 0 | - | 4.93 | 108,552 |
| Capitals Starting With P | 0 | - | 4.88 | 78,639 |
| Capitals Starting With R | 0 | - | 4.88 | 82,201 |
| Capitals Starting With S | 0 | - | 4.90 | 86,223 |
| Capitals Starting With T | 0 | - | 4.85 | 76,530 |
| Capitals Starting With W | 0 | - | 4.87 | 91,538 |
| Capitals Starting With A | 0 | - | 4.97 | 128,664 |
| Capitals Starting With B | 0 | - | 4.89 | 119,074 |
| Capitals Starting With D | 0 | - | 4.93 | 96,880 |
| U.S. State Capitals with the Highest Elevation | 0 | - | 4.56 | 22,657 |
| Top 10 Most Remote U.S. State Capitals | 0 | - | 4.40 | 32,283 |
| U.S. State Capitals Furthest from the Sea | 0 | - | 4.49 | 26,091 |
| Name a Valid U.S. State #1 | 0 | - | 4.93 | 210,196 |
| Top 10 Coldest U.S. States | 0 | - | 4.94 | 125,691 |
| Top 10 Hottest U.S. States | 0 | - | 4.86 | 126,313 |
| Top 10 Most Native American U.S. States | 0 | - | 4.87 | 92,659 |
| Top 10 U.S. States with the Least Precipitation | 0 | - | 4.83 | 62,144 |
| O Canada Lyrics | 0 | - | 4.47 | 51,034 |
| Single Vowel Capitals | 0 | - | 4.82 | 14,660 |
| Countries of Europe by Population | 0 | - | 4.98 | 182,390 |
| U.S. Cities with the Most Skyscrapers | 0 | - | 4.89 | 95,712 |
| Most Guessed Cities by Country #3 | 0 | - | 4.89 | 46,731 |
| Summer Olympics Host Cities | 0 | - | 4.98 | 216,090 |
| California Cities starting with SAN or SANTA | 0 | - | 4.33 | 18,570 |
| Word Scramble - U.S. Cities | 0 | - | 4.13 | 19,919 |
| Cities with the Biggest Economies | 0 | - | 4.91 | 131,506 |
| U.S. City Name Etymologies | 0 | - | 4.15 | 21,571 |
| Five Most Guessed Cities by Continent | 0 | - | 4.96 | 113,438 |
