| Every U.S. Metro Area on a Map | 0 | - | 4.97 | 82,348 |
| North America Capitals Quiz | 0 | - | 4.99 | 221,602 |
| Most-Visited U.S. Cities | 0 | - | 4.85 | 94,657 |
| Capitals of Canadian Provinces | 0 | - | 4.85 | 89,479 |
| 15 Largest Cities in Africa With a Map | 0 | - | 4.96 | 111,278 |
| South America Capitals Quiz | 0 | - | 5.00 | 484,059 |
| Most Guessed U.S. Cities | 0 | - | 4.89 | 106,776 |
| US State Capitals Quiz - No Hints | 0 | - | 4.98 | 95,503 |
| 10 Westernmost U.S. State Capitals | 0 | - | 4.90 | 48,254 |
| All First-Level Subdivisions of North America on a Map | 0 | - | 4.97 | 64,716 |
| Biggest Cities in a Strip of the United States Map | 0 | - | 4.74 | 41,142 |
| Name a City - European Countries | 0 | - | 4.90 | 65,981 |
| Africa Capitals Quiz | 0 | - | 4.99 | 742,317 |
| Asia Capitals Quiz | 0 | - | 4.98 | 697,462 |
| World Capitals by Map | 0 | - | 5.00 | 288,726 |
| Capital Cities in a Ring of the World Map | 0 | - | 4.95 | 58,699 |
| United States Map Quiz | 0 | - | 4.98 | 4,168,051 |
| Southernmost Major Cities in the U.S. | 0 | - | 4.43 | 36,667 |
| Pixelated United States Map | 0 | - | 4.88 | 94,665 |
| Countries of North America Quiz | 0 | - | 5.00 | 1,029,091 |
| Canada Provinces Map Quiz | 0 | - | 4.99 | 643,253 |
| Canada Provinces and Territories | 0 | - | 5.00 | 345,243 |
| Top 10 Least Populous U.S. States | 0 | - | 4.94 | 192,420 |
| Top 10 Most Populous U.S. States | 0 | - | 4.97 | 177,441 |
| U.S Cities by African-American Population | 0 | - | 4.42 | 95,524 |
| South American Cities on the Map | 0 | - | 4.52 | 35,526 |
| 1M Cities by Proximity - United States | 0 | - | 4.63 | 151,630 |
| Most-Visited Cities in Europe | 0 | - | 4.83 | 75,831 |
| World Capitals Quiz | 0 | - | 5.00 | 5,097,464 |
| Europe Capital to Country | 0 | - | 4.99 | 251,661 |
| Asia Capital to Country | 0 | - | 4.96 | 127,230 |
| EU Capitals with No Hints | 0 | - | 4.96 | 146,703 |
| European Capitals by Map | 0 | - | 4.99 | 141,521 |
| African Capitals by Map | 0 | - | 4.99 | 141,606 |
| Asian Capitals by Map | 0 | - | 4.98 | 63,663 |
| 10 Westernmost Capital Cities in Europe | 0 | - | 4.88 | 92,674 |
| 10 Northernmost Capital Cities in Europe | 0 | - | 4.96 | 85,017 |
| European Coastal Capitals | 0 | - | 4.95 | 91,125 |
| 10 Easternmost Capital Cities in Asia | 0 | - | 4.89 | 53,090 |
| Capitals of Oceania Quiz | 0 | - | 4.99 | 271,936 |
| Europe by Capitals and Borders in 30 Seconds | 0 | - | 4.88 | 225,380 |
| Capitals of Mediterranean Countries | 0 | - | 4.95 | 82,076 |
| Official Cities in the UK | 0 | - | 4.89 | 285,585 |
| Northernmost Major Cities in the U.S. | 0 | - | 4.38 | 48,903 |
| European Cities by Map #2 | 0 | - | 4.49 | 47,429 |
| European Cities by Map #1 | 0 | - | 4.67 | 55,857 |
| Asian Cities by Map #1 | 0 | - | 4.50 | 40,937 |
| U.S. Cities with the Most Homeless People | 0 | - | 4.31 | 33,609 |
| Mediterranean Cities by Map | 0 | - | 4.51 | 51,194 |
| U.S. Cities with the Highest Murder Rate | 0 | - | 4.55 | 138,924 |
| Cities in Squares on a Map - Europe | 0 | - | 4.69 | 54,353 |
| African Capitals - Map Quiz | 0 | - | 4.94 | 63,035 |
| Top 10 Most Remote European Capitals | 0 | - | 4.87 | 94,436 |
| European Capitals - Map Quiz | 0 | - | 4.97 | 119,898 |
| Middle East Capital Cities Quiz | 0 | - | 4.96 | 88,273 |
| European Capitals Furthest from the Sea | 0 | - | 4.92 | 82,480 |
| Asian Capitals - Map Quiz | 0 | - | 4.95 | 61,806 |
| European Capitals Ending in N | 0 | - | 4.92 | 81,605 |
| Central America and Caribbean Map Quiz | 0 | - | 4.89 | 904,241 |
| North American Capitals - Map Quiz | 0 | - | 4.88 | 58,648 |
| U.S. Cities with the Most International Tourists | 0 | - | 4.88 | 75,815 |
| U.S. State Border Crossings | 0 | - | 4.97 | 96,778 |
| U.S. States with the Lowest Population Density | 0 | - | 4.92 | 94,096 |
| Europe Capitals Quiz | 0 | - | 5.00 | 1,596,212 |
| States of the U.S. in Alphabetical Order | 0 | - | 4.98 | 368,290 |
| British Cities with the Most Tourists | 0 | - | 4.83 | 70,746 |
| Cities in U.S. History #1 | 0 | - | 4.31 | 45,500 |
| 100 Biggest Cities and Towns in the UK | 0 | - | 4.98 | 150,542 |
| World Capitals by First Two Letters in 90 Seconds | 0 | - | 4.35 | 246,706 |
| Name a Valid European Capital | 0 | - | 4.95 | 153,326 |
| Capital Cities in Squares of an Empty World Map | 0 | - | 4.99 | 89,735 |
| European Capital Superlatives - Top 2 | 0 | - | 4.95 | 81,460 |
| Speed Capital to U.S. State | 0 | - | 4.45 | 114,255 |
| 10 Southernmost U.S. State Capitals | 0 | - | 4.51 | 39,110 |
| 10 Northernmost U.S. State Capitals | 0 | - | 4.57 | 35,840 |
| 10 Easternmost U.S. State Capitals | 0 | - | 4.50 | 34,759 |
| U.S. Suburbs Quiz | 0 | - | 4.47 | 18,431 |
| Central American Countries | 0 | - | 4.98 | 157,137 |
| Caribbean Countries and Territories | 0 | - | 4.81 | 113,158 |
| Total United States Immigration by Country | 0 | - | 4.91 | 112,177 |
| "Do Not Travel" Countries for U.S. Citizens | 0 | - | 4.97 | 245,854 |
| Caribbean / Lesser Antilles Map Quiz | 0 | - | 4.99 | 149,883 |
| Mexico States Map Quiz | 0 | - | 4.84 | 105,447 |
| Name the U.S. National Parks | 0 | - | 4.86 | 60,346 |
| States of Mexico | 0 | - | 4.96 | 177,686 |
| All First-Level Subdivisions of South America on a Map | 0 | - | 4.92 | 54,569 |
| Countries of South America with an Empty Map | 0 | - | 4.94 | 105,326 |
| Global Cities on a World Map | 0 | - | 4.93 | 137,029 |
| Southeast Asian Cities by Map | 0 | - | 4.63 | 26,787 |
| Northernmost Capital Cities | 0 | - | 4.98 | 110,949 |
| Most Remote Capital Cities | 0 | - | 4.92 | 53,833 |
| Capital Cities: Ports and Saints | 0 | - | 4.96 | 46,017 |
| Capitals with the Shortest Names | 0 | - | 4.97 | 109,970 |
| Same Letter Country and Capital | 0 | - | 4.99 | 157,850 |
| Countries by Capital City | 0 | - | 5.00 | 69,134 |
| Capital Cities Based on First Two Letters | 0 | - | 4.85 | 77,693 |
| Capitals of the Largest Countries by Area | 0 | - | 4.96 | 115,077 |
| World Capitals by Proximity | 0 | - | 4.91 | 333,220 |
| Divided Capital Name Puzzle #1 | 0 | - | 4.99 | 84,654 |
| Moved Capital Cities | 0 | - | 4.96 | 74,549 |
| Countries by Borders in 90 Seconds | 0 | - | 4.99 | 3,843,377 |
| Countries by First Two Letters in 90 Seconds | 0 | - | 4.98 | 5,645,378 |
| Westernmost Cities in the U.S. | 0 | - | 4.37 | 16,488 |
| U.S. State Capitals Quiz | 0 | - | 5.00 | 1,696,532 |
| South American Capitals - Map Quiz | 0 | - | 4.98 | 131,207 |
| Most Guessed European Capitals | 0 | - | 4.87 | 101,738 |
| Nordic Countries and Capitals | 0 | - | 4.95 | 83,965 |
| Random European Capital to Country | 0 | - | 4.98 | 191,869 |
| Random European Country to Capital | 0 | - | 4.93 | 165,686 |
| Random Asian Country to Capital | 0 | - | 4.92 | 96,891 |
| Random Asian Capital to Country | 0 | - | 4.97 | 103,285 |
| Random African Capital to Country | 0 | - | 4.97 | 101,171 |
| Random African Country to Capital | 0 | - | 4.94 | 71,636 |
| Melbourne Suburbs | 0 | - | 4.86 | 54,020 |
| Most-Visited Countries by Americans | 0 | - | 4.86 | 110,306 |
| Countries that Visit the United States the Most | 0 | - | 4.96 | 92,263 |
| Most-Visited Countries by Canadians | 0 | - | 4.83 | 39,548 |
| Countries Closest to Canada | 0 | - | 4.91 | 198,895 |
| The 13 Colonies Quiz | 0 | - | 4.97 | 118,825 |
| U.S. States with the Letter Y | 0 | - | 4.85 | 112,045 |
| 10 Southernmost U.S. States | 0 | - | 4.89 | 114,060 |
| U.S. States with Short Names | 0 | - | 4.91 | 149,709 |
| U.S. States that Start with M | 0 | - | 4.93 | 188,067 |
| U.S. States By Population | 0 | - | 4.92 | 153,981 |
| U.S. States that Start with N | 0 | - | 4.95 | 172,018 |
| U.S. States with Longest Names | 0 | - | 4.84 | 44,769 |
| 10 Northernmost U.S. States | 0 | - | 4.90 | 82,957 |
| U.S. States with a Unique First Letter | 0 | - | 4.96 | 88,737 |
| 10 Westernmost U.S. States | 0 | - | 4.95 | 64,452 |
| The Only Remaining U.S. State . . . | 0 | - | 4.93 | 65,970 |
| Top 10 Largest U.S. States by Area | 0 | - | 4.95 | 160,519 |
| Top 10 Smallest U.S. States by Area | 0 | - | 4.98 | 178,089 |
| Top 10 Poorest U.S. States by Median Income | 0 | - | 4.86 | 125,575 |
| U.S. States with the Highest Percentage of Hispanics | 0 | - | 4.85 | 69,765 |
| Top 10 Newest U.S. States | 0 | - | 4.85 | 86,567 |
| Top 10 U.S. States Where the Rent is Too Dang High | 0 | - | 4.85 | 67,904 |
| Capitals of the Most Populated Countries | 0 | - | 4.96 | 128,303 |
| 100 Biggest Cities on a World Map | 0 | - | 4.99 | 419,927 |
| North American Sports Cities | 0 | - | 4.83 | 172,966 |
| Summer Olympic City Bids | 0 | - | 4.94 | 42,503 |
| U.S. Cities with the Biggest Economies | 0 | - | 4.83 | 73,248 |
| Cities with the Most Metro Rail Stations | 0 | - | 4.89 | 102,812 |
| Cities by Former Name | 0 | - | 4.83 | 91,923 |
| Capitals in their Native Languages | 0 | - | 4.95 | 133,619 |
| Nearest Capital City #1 | 0 | - | 4.83 | 57,896 |
| World Capitals Closest to Bangkok | 0 | - | 4.91 | 41,117 |
| Capitals Furthest from the Border | 0 | - | 4.96 | 69,660 |
| Random Capital to Country | 0 | - | 4.99 | 2,598,741 |
| Random African Capitals on a Map | 0 | - | 4.96 | 55,162 |
| Random Asian Capitals on a Map | 0 | - | 4.83 | 51,292 |
| Random European Capitals on a Map | 0 | - | 4.97 | 135,257 |
| Random Country to Capital | 0 | - | 4.98 | 925,807 |
| Capitals Starting With H | 0 | - | 4.91 | 93,058 |
| Capitals Starting With K | 0 | - | 4.88 | 84,121 |
| Capitals Starting With L | 0 | - | 4.81 | 92,378 |
| Capitals Starting With M | 0 | - | 4.93 | 108,675 |
| Capitals Starting With P | 0 | - | 4.88 | 78,711 |
| Capitals Starting With R | 0 | - | 4.88 | 82,262 |
| Capitals Starting With S | 0 | - | 4.90 | 86,298 |
| Capitals Starting With T | 0 | - | 4.85 | 76,599 |
| Capitals Starting With W | 0 | - | 4.87 | 91,575 |
| Capitals Starting With A | 0 | - | 4.97 | 128,741 |
| Capitals Starting With B | 0 | - | 4.89 | 119,147 |
| Capitals Starting With D | 0 | - | 4.93 | 96,933 |
| US State Capitals by Proximity in 30 Seconds | 0 | - | 4.17 | 129,653 |
| 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 |
| Which City in Europe? | 0 | - | 4.83 | 107,778 |
| Countries of the World in 1900 | 0 | - | 4.89 | 85,682 |
| Countries of the World in 1914 with a Map | 0 | - | 4.99 | 196,365 |
| Countries of the World in 1945 with a Map | 0 | - | 5.00 | 151,815 |
| Countries that Beat the United States | 0 | - | 4.93 | 168,352 |
| Top 10 Most-Visited U.S. States | 0 | - | 4.90 | 102,305 |
| Tectonic Plates on a Map | 0 | - | 4.97 | 35,838 |
| Layers of the Earth and Atmosphere | 0 | - | 4.96 | 50,644 |
| U.S. States with the Most Immigrants | 0 | - | 4.85 | 82,936 |
| African East Coast | 0 | - | 4.96 | 96,580 |
| Canadian Geography on the Map | 0 | - | 4.55 | 26,405 |
| Single Vowel Capitals | 0 | - | 4.82 | 14,668 |
| Fastest Growing U.S. States Since 1960 | 0 | - | 4.48 | 76,289 |
| American TV Show Settings | 0 | - | 4.37 | 30,692 |
| Cities in European History #1 | 0 | - | 4.63 | 134,463 |
| World Capitals on an Empty Map | 0 | - | 4.69 | 54,450 |
| U.S. State Capitals Map Quiz | 0 | - | 4.93 | 150,010 |
| Countries of Europe by Population | 0 | - | 4.98 | 182,430 |
| Megacities on a World Map | 0 | - | 4.98 | 256,301 |
| All 3M Cities on the World Map | 0 | - | 4.95 | 75,494 |
| Every 1,000,000+ City on a Map | 0 | - | 4.99 | 115,851 |
| Biggest City by Body of Water | 0 | - | 4.51 | 40,298 |
| Southernmost Major Cities | 0 | - | 4.48 | 57,638 |
| U.S. City Prefixes and Suffixes | 0 | - | 4.48 | 73,041 |
| Cities with the Most Foreign Embassies | 0 | - | 4.69 | 47,211 |
| U.S. Cities with the Most Skyscrapers | 0 | - | 4.89 | 95,716 |
| Most Guessed Cities by Country #3 | 0 | - | 4.89 | 46,740 |
| Summer Olympics Host Cities | 0 | - | 4.98 | 216,108 |
| Random European City to Country | 0 | - | 4.69 | 118,273 |
| Random Asian City to Country | 0 | - | 4.56 | 44,590 |
| Cities with the Biggest Economies | 0 | - | 4.91 | 131,512 |
| U.S. City Name Etymologies | 0 | - | 4.15 | 21,571 |
| Five Most Guessed Cities by Continent | 0 | - | 4.96 | 113,444 |
