| Capitals of Canadian Provinces | 0 | - | 4.85 | 89,310 |
| Most-Visited U.S. Cities | 0 | - | 4.85 | 94,293 |
| Every U.S. Metro Area on a Map | 0 | - | 4.97 | 82,100 |
| U.S. State Capitals Quiz | 0 | - | 5.00 | 1,693,687 |
| Most Guessed U.S. Cities | 0 | - | 4.89 | 106,400 |
| U.S. Cities with the Biggest Economies | 0 | - | 4.83 | 73,025 |
| South America Capitals Quiz | 0 | - | 5.00 | 482,994 |
| US State Capitals Quiz - No Hints | 0 | - | 4.98 | 95,347 |
| 10 Westernmost U.S. State Capitals | 0 | - | 4.90 | 48,202 |
| U.S. State Capitals Map Quiz | 0 | - | 4.93 | 144,972 |
| Africa Capitals Quiz | 0 | - | 4.99 | 740,316 |
| Asia Capitals Quiz | 0 | - | 4.98 | 695,260 |
| Name a City - European Countries | 0 | - | 4.90 | 65,730 |
| South American Capitals - Map Quiz | 0 | - | 4.98 | 130,861 |
| Most-Visited Countries by Canadians | 0 | - | 4.83 | 39,467 |
| Countries Closest to Canada | 0 | - | 4.91 | 198,655 |
| Top 10 Least Populous U.S. States | 0 | - | 4.94 | 192,028 |
| Top 10 Most Populous U.S. States | 0 | - | 4.97 | 176,633 |
| U.S Cities by African-American Population | 0 | - | 4.42 | 95,449 |
| 15 Largest Cities in Africa With a Map | 0 | - | 4.96 | 111,041 |
| 1M Cities by Proximity - United States | 0 | - | 4.63 | 150,894 |
| Most-Visited Cities in Europe | 0 | - | 4.83 | 75,492 |
| Biggest Cities in a Strip of the United States Map | 0 | - | 4.74 | 41,052 |
| Cities on Route 66 on a Map | 0 | - | 4.53 | 33,190 |
| Europe Capital to Country | 0 | - | 4.99 | 251,062 |
| Asia Capital to Country | 0 | - | 4.96 | 126,927 |
| EU Capitals with No Hints | 0 | - | 4.96 | 146,306 |
| European Capitals by Map | 0 | - | 4.99 | 140,242 |
| African Capitals by Map | 0 | - | 4.99 | 135,496 |
| Asian Capitals by Map | 0 | - | 4.98 | 62,789 |
| 10 Westernmost Capital Cities in Europe | 0 | - | 4.88 | 92,361 |
| 10 Northernmost Capital Cities in Europe | 0 | - | 4.96 | 84,700 |
| European Coastal Capitals | 0 | - | 4.95 | 90,889 |
| 10 Easternmost Capital Cities in Asia | 0 | - | 4.89 | 52,700 |
| Capitals of Oceania Quiz | 0 | - | 4.99 | 271,091 |
| Europe by Capitals and Borders in 30 Seconds | 0 | - | 4.88 | 224,742 |
| Capitals of Mediterranean Countries | 0 | - | 4.95 | 81,947 |
| Countries that Beat Canada | 0 | - | 4.91 | 98,586 |
| World Capitals Quiz | 0 | - | 5.00 | 5,087,163 |
| U.S. States with the Lowest Population Density | 0 | - | 4.92 | 93,984 |
| Official Cities in the UK | 0 | - | 4.89 | 284,767 |
| U.S. Cities with the Highest Murder Rate | 0 | - | 4.55 | 138,815 |
| Random U.S. City to State | 0 | - | 4.45 | 76,613 |
| All 1M+ Cities in Africa on a Map | 0 | - | 4.93 | 26,733 |
| Richest Metro Areas in the U.S. | 0 | - | 4.42 | 43,896 |
| North America Capitals Quiz | 0 | - | 4.99 | 220,799 |
| African Capitals - Map Quiz | 0 | - | 4.94 | 62,773 |
| Top 10 Most Remote European Capitals | 0 | - | 4.87 | 94,252 |
| European Capitals - Map Quiz | 0 | - | 4.97 | 119,596 |
| Middle East Capital Cities Quiz | 0 | - | 4.96 | 88,075 |
| European Capitals Furthest from the Sea | 0 | - | 4.92 | 82,340 |
| Asian Capitals - Map Quiz | 0 | - | 4.95 | 61,598 |
| Countries by Capitals and Borders in 90 Seconds | 0 | - | 4.83 | 227,042 |
| European Capitals Ending in N | 0 | - | 4.92 | 81,455 |
| US States Quiz | 0 | - | 5.00 | 16,928,456 |
| Capitals of the Stans | 0 | - | 4.95 | 26,955 |
| Cities Founded by the French in North America | 0 | - | 4.50 | 40,445 |
| Europe Capitals Quiz | 0 | - | 5.00 | 1,592,189 |
| Speed Capital to U.S. State | 0 | - | 4.45 | 114,165 |
| 10 Southernmost U.S. State Capitals | 0 | - | 4.51 | 39,081 |
| 10 Northernmost U.S. State Capitals | 0 | - | 4.57 | 35,816 |
| 10 Easternmost U.S. State Capitals | 0 | - | 4.50 | 34,730 |
| Which City in Canada? | 0 | - | 4.83 | 57,172 |
| Boroughs of New York City | 0 | - | 4.47 | 84,752 |
| States of the U.S. in Alphabetical Order | 0 | - | 4.98 | 367,906 |
| British Cities with the Most Tourists | 0 | - | 4.83 | 70,475 |
| Cities in U.S. History #1 | 0 | - | 4.31 | 45,472 |
| 100 Biggest Cities and Towns in the UK | 0 | - | 4.98 | 149,615 |
| World Capitals by First Two Letters in 90 Seconds | 0 | - | 4.35 | 246,593 |
| Name a Valid European Capital | 0 | - | 4.95 | 152,907 |
| European Capital Superlatives - Top 2 | 0 | - | 4.95 | 81,328 |
| Top 10 Oldest U.S. State Capitals | 0 | - | 4.55 | 32,124 |
| U.S. Suburbs Quiz | 0 | - | 4.47 | 18,418 |
| Total United States Immigration by Country | 0 | - | 4.91 | 111,947 |
| "Do Not Travel" Countries for U.S. Citizens | 0 | - | 4.97 | 245,048 |
| Mexico States Map Quiz | 0 | - | 4.84 | 105,237 |
| Name the U.S. National Parks | 0 | - | 4.86 | 60,160 |
| States of Mexico | 0 | - | 4.96 | 176,943 |
| All 3,143 Counties of the United States on a Map | 0 | - | 4.97 | 333,473 |
| Biggest Cities in the U.S. - Extreme | 0 | - | 4.95 | 159,620 |
| 15 Largest Cities in North America With a Map | 0 | - | 4.98 | 47,615 |
| Biggest Cities in Each U.S. State - Extreme | 0 | - | 4.91 | 83,349 |
| 10 Biggest Cities by U.S. State | 0 | - | 4.95 | 42,104 |
| 500 Biggest U.S. Urban Areas | 0 | - | 4.90 | 117,568 |
| 100 Biggest Cities in North America on a Map | 0 | - | 4.84 | 62,565 |
| U.S. Cities Chain | 0 | - | 4.21 | 35,595 |
| South American Cities on the Map | 0 | - | 4.53 | 35,478 |
| Global Cities on a World Map | 0 | - | 4.93 | 136,662 |
| ALL California Cities | 0 | - | 4.37 | 43,127 |
| U.S. Cities with the Least Precipitation | 0 | - | 4.42 | 12,473 |
| Northernmost Capital Cities | 0 | - | 4.98 | 110,630 |
| Most Remote Capital Cities | 0 | - | 4.92 | 53,610 |
| Capital Cities: Ports and Saints | 0 | - | 4.96 | 45,746 |
| Capitals with the Shortest Names | 0 | - | 4.97 | 109,589 |
| Same Letter Country and Capital | 0 | - | 4.99 | 157,451 |
| Countries by Capital City | 0 | - | 5.00 | 68,739 |
| Capital Cities Based on First Two Letters | 0 | - | 4.85 | 77,430 |
| Capitals of the Largest Countries by Area | 0 | - | 4.97 | 114,873 |
| World Capitals by Proximity | 0 | - | 4.90 | 332,382 |
| Divided Capital Name Puzzle #1 | 0 | - | 4.99 | 84,460 |
| Most Guessed European Capitals | 0 | - | 4.87 | 101,632 |
| Moved Capital Cities | 0 | - | 4.96 | 74,393 |
| Nordic Countries and Capitals | 0 | - | 4.95 | 83,833 |
| World Capitals with a Unique First Letter | 0 | - | 4.82 | 75,668 |
| Random European Capital to Country | 0 | - | 4.98 | 191,559 |
| Random European Country to Capital | 0 | - | 4.93 | 165,472 |
| Random Asian Country to Capital | 0 | - | 4.92 | 96,760 |
| Random Asian Capital to Country | 0 | - | 4.97 | 103,067 |
| Random African Capital to Country | 0 | - | 4.97 | 100,972 |
| Random African Country to Capital | 0 | - | 4.94 | 71,446 |
| Melbourne Suburbs | 0 | - | 4.86 | 53,684 |
| Most-Visited Countries by Americans | 0 | - | 4.86 | 110,018 |
| Countries that Visit the United States the Most | 0 | - | 4.96 | 92,049 |
| Canada Country Quiz | 0 | - | 4.54 | 132,722 |
| Canada Cities Map Quiz | 0 | - | 4.64 | 124,398 |
| Mexico Cities Map Quiz | 0 | - | 4.83 | 38,709 |
| Pixelated United States Map | 0 | - | 4.88 | 94,506 |
| The 13 Colonies Quiz | 0 | - | 4.97 | 118,175 |
| U.S. States with the Letter Y | 0 | - | 4.85 | 111,778 |
| 10 Southernmost U.S. States | 0 | - | 4.89 | 113,717 |
| U.S. States with Short Names | 0 | - | 4.91 | 149,404 |
| U.S. States that Start with M | 0 | - | 4.93 | 187,724 |
| U.S. States By Population | 0 | - | 4.92 | 153,792 |
| U.S. States that Start with N | 0 | - | 4.95 | 171,782 |
| U.S. States with Longest Names | 0 | - | 4.84 | 44,621 |
| U.S. States with a Unique First Letter | 0 | - | 4.96 | 88,561 |
| 10 Westernmost U.S. States | 0 | - | 4.95 | 64,351 |
| The Only Remaining U.S. State . . . | 0 | - | 4.93 | 65,825 |
| World Capitals Closest to Bangkok | 0 | - | 4.91 | 41,057 |
| Random African Capitals on a Map | 0 | - | 4.96 | 54,951 |
| Random Asian Capitals on a Map | 0 | - | 4.82 | 51,133 |
| Random European Capitals on a Map | 0 | - | 4.97 | 135,017 |
| US State Capitals by Proximity in 30 Seconds | 0 | - | 4.17 | 129,520 |
| US State Capitals by First Two Letters in 45 seconds | 0 | - | 4.09 | 58,191 |
| U.S State Capitals on the Sea | 0 | - | 4.53 | 26,226 |
| U.S. State Capital Etymology | 0 | - | 4.53 | 37,002 |
| Name a Valid U.S. State Capital #1 | 0 | - | 4.75 | 54,596 |
| U.S. State Capitals Closest to Canada | 0 | - | 4.64 | 34,005 |
| Which City in Europe? | 0 | - | 4.83 | 107,629 |
| Countries Closest to United States by Continent | 0 | - | 4.99 | 146,754 |
| Countries Bordering Brazil | 0 | - | 4.96 | 131,965 |
| Countries that Beat the United States | 0 | - | 4.93 | 167,912 |
| Top 10 Most-Visited U.S. States | 0 | - | 4.90 | 101,989 |
| 10 Longest Rivers in the United States | 0 | - | 4.85 | 39,258 |
| U.S. States with the Most Immigrants | 0 | - | 4.85 | 82,634 |
| US States with an Empty Map | 0 | - | 5.00 | 626,327 |
| U.S. States or European Countries by Area | 0 | - | 4.95 | 96,463 |
| Louisiana Purchase with a Map | 0 | - | 4.96 | 48,897 |
| U.S. States or European Countries by Population | 0 | - | 4.97 | 133,592 |
| Capitals of the Most Populated Countries | 0 | - | 4.96 | 128,117 |
| Fastest Growing U.S. States Since 1960 | 0 | - | 4.48 | 76,220 |
| North American Sports Cities | 0 | - | 4.83 | 172,710 |
| American TV Show Settings | 0 | - | 4.35 | 30,667 |
| Summer Olympic City Bids | 0 | - | 4.94 | 42,424 |
| Cities in European History #1 | 0 | - | 4.63 | 134,267 |
| European Cities by Map #2 | 0 | - | 4.49 | 47,389 |
| European Cities by Map #1 | 0 | - | 4.67 | 55,810 |
| Asian Cities by Map #1 | 0 | - | 4.50 | 40,911 |
| Mediterranean Cities by Map | 0 | - | 4.51 | 51,169 |
| Cities with the Most Metro Rail Stations | 0 | - | 4.89 | 102,631 |
| Cities in Squares on a Map - Europe | 0 | - | 4.70 | 54,129 |
| Category Elimination - U.S. Metro Areas | 0 | - | 4.41 | 26,812 |
| Name a Valid World City | 0 | - | 4.83 | 71,538 |
| Cities by Former Name | 0 | - | 4.83 | 91,773 |
| Capitals in their Native Languages | 0 | - | 4.95 | 133,516 |
| Nearest Capital City #1 | 0 | - | 4.83 | 57,787 |
| Capitals Furthest from the Border | 0 | - | 4.96 | 69,460 |
| World Capitals by Map | 0 | - | 5.00 | 287,701 |
| Capital Cities in a Ring of the World Map | 0 | - | 4.95 | 58,529 |
| Random Capital to Country | 0 | - | 4.99 | 2,595,586 |
| Random Country to Capital | 0 | - | 4.98 | 923,504 |
| Capitals Starting With H | 0 | - | 4.91 | 92,778 |
| Capitals Starting With K | 0 | - | 4.88 | 83,831 |
| Capitals Starting With L | 0 | - | 4.81 | 88,294 |
| Capitals Starting With M | 0 | - | 4.93 | 108,149 |
| Capitals Starting With P | 0 | - | 4.88 | 78,405 |
| Capitals Starting With R | 0 | - | 4.87 | 82,025 |
| Capitals Starting With S | 0 | - | 4.90 | 86,011 |
| Capitals Starting With T | 0 | - | 4.85 | 76,358 |
| Capitals Starting With W | 0 | - | 4.87 | 91,424 |
| Capitals Starting With A | 0 | - | 4.97 | 128,362 |
| Capitals Starting With B | 0 | - | 4.89 | 118,778 |
| Capitals Starting With D | 0 | - | 4.93 | 96,683 |
| U.S. State Capitals with the Highest Elevation | 0 | - | 4.56 | 22,645 |
| Top 10 Most Remote U.S. State Capitals | 0 | - | 4.40 | 32,260 |
| U.S. State Capitals Furthest from the Sea | 0 | - | 4.49 | 26,080 |
| U.S. States with the Longest International Borders | 0 | - | 4.78 | 45,860 |
| Longest U.S. State Borders | 0 | - | 4.67 | 39,965 |
| U.S. States with the Fewest Borders | 0 | - | 4.78 | 114,011 |
| U.S. States with the Most Borders | 0 | - | 4.53 | 62,331 |
| Walking Across U.S. State Borders with Hints | 0 | - | 4.74 | 35,086 |
| Name a Valid U.S. State #1 | 0 | - | 4.93 | 209,577 |
| Top 10 Coldest U.S. States | 0 | - | 4.94 | 125,373 |
| Top 10 Hottest U.S. States | 0 | - | 4.86 | 126,020 |
| Top 10 Most Native American U.S. States | 0 | - | 4.87 | 92,393 |
| Top 10 U.S. States with the Least Precipitation | 0 | - | 4.82 | 62,038 |
| O Canada Lyrics | 0 | - | 4.47 | 50,991 |
| Single Vowel Capitals | 0 | - | 4.81 | 14,575 |
| Countries of Europe by Population | 0 | - | 4.98 | 181,702 |
| U.S. Cities with the Most Skyscrapers | 0 | - | 4.89 | 95,643 |
