| Every U.S. Metro Area on a Map | 0 | - | 4.97 | 81,515 |
| North America Capitals Quiz | 0 | - | 4.99 | 219,011 |
| Most-Visited U.S. Cities | 0 | - | 4.85 | 93,446 |
| Capitals of Canadian Provinces | 0 | - | 4.85 | 88,884 |
| 15 Largest Cities in Africa With a Map | 0 | - | 4.95 | 110,382 |
| North America Cities by Map | 0 | - | 4.41 | 47,757 |
| Most Guessed U.S. Cities | 0 | - | 4.89 | 105,736 |
| South America Capitals Quiz | 0 | - | 5.00 | 480,334 |
| US State Capitals Quiz - No Hints | 0 | - | 4.98 | 95,007 |
| 10 Westernmost U.S. State Capitals | 0 | - | 4.90 | 48,064 |
| All First-Level Subdivisions of North America on a Map | 0 | - | 4.97 | 63,819 |
| Biggest Cities in a Strip of the United States Map | 0 | - | 4.73 | 40,856 |
| Africa Capitals Quiz | 0 | - | 4.99 | 735,655 |
| Asia Capitals Quiz | 0 | - | 4.98 | 690,857 |
| United States Map Quiz | 0 | - | 4.98 | 4,153,585 |
| Southernmost Major Cities in the U.S. | 0 | - | 4.43 | 36,556 |
| Name a City - European Countries | 0 | - | 4.90 | 65,173 |
| World Capitals by Map | 0 | - | 5.00 | 285,526 |
| Capital Cities in a Ring of the World Map | 0 | - | 4.95 | 58,141 |
| Pixelated United States Map | 0 | - | 4.87 | 94,056 |
| Top 10 Least Populous U.S. States | 0 | - | 4.94 | 191,303 |
| Top 10 Most Populous U.S. States | 0 | - | 4.97 | 174,744 |
| U.S Cities by African-American Population | 0 | - | 4.42 | 95,250 |
| South American Cities on the Map | 0 | - | 4.56 | 35,375 |
| 1M Cities by Proximity - United States | 0 | - | 4.56 | 150,377 |
| Most-Visited Cities in Europe | 0 | - | 4.83 | 74,787 |
| Europe Capital to Country | 0 | - | 4.99 | 249,516 |
| Asia Capital to Country | 0 | - | 4.96 | 126,447 |
| EU Capitals with No Hints | 0 | - | 4.96 | 145,545 |
| European Capitals by Map | 0 | - | 4.99 | 138,501 |
| African Capitals by Map | 0 | - | 4.99 | 133,309 |
| Asian Capitals by Map | 0 | - | 4.98 | 62,051 |
| 10 Westernmost Capital Cities in Europe | 0 | - | 4.88 | 91,858 |
| 10 Northernmost Capital Cities in Europe | 0 | - | 4.96 | 84,211 |
| European Coastal Capitals | 0 | - | 4.95 | 90,358 |
| 10 Easternmost Capital Cities in Asia | 0 | - | 4.89 | 52,490 |
| Capitals of Oceania Quiz | 0 | - | 4.99 | 269,080 |
| Europe by Capitals and Borders in 30 Seconds | 0 | - | 4.88 | 223,512 |
| Capitals of Mediterranean Countries | 0 | - | 4.95 | 81,729 |
| Countries of North America Quiz | 0 | - | 5.00 | 1,020,329 |
| Canada Provinces Map Quiz | 0 | - | 4.99 | 639,083 |
| Canada Provinces and Territories | 0 | - | 5.00 | 341,200 |
| World Capitals Quiz | 0 | - | 5.00 | 5,061,993 |
| Central America and Caribbean Map Quiz | 0 | - | 4.89 | 901,451 |
| U.S. States with the Lowest Population Density | 0 | - | 4.92 | 93,818 |
| Official Cities in the UK | 0 | - | 4.89 | 282,968 |
| Northernmost Major Cities in the U.S. | 0 | - | 4.38 | 48,713 |
| European Cities by Map #2 | 0 | - | 4.49 | 47,304 |
| European Cities by Map #1 | 0 | - | 4.67 | 55,696 |
| Asian Cities by Map #1 | 0 | - | 4.50 | 40,863 |
| U.S. Cities with the Most Homeless People | 0 | - | 4.31 | 33,534 |
| Mediterranean Cities by Map | 0 | - | 4.51 | 51,100 |
| U.S. Cities with the Highest Murder Rate | 0 | - | 4.55 | 138,211 |
| Cities in Squares on a Map - Europe | 0 | - | 4.74 | 53,641 |
| African Capitals - Map Quiz | 0 | - | 4.94 | 62,230 |
| Top 10 Most Remote European Capitals | 0 | - | 4.86 | 93,872 |
| European Capitals - Map Quiz | 0 | - | 4.97 | 118,960 |
| Middle East Capital Cities Quiz | 0 | - | 4.96 | 87,679 |
| European Capitals Furthest from the Sea | 0 | - | 4.92 | 82,067 |
| Asian Capitals - Map Quiz | 0 | - | 4.95 | 61,067 |
| European Capitals Ending in N | 0 | - | 4.92 | 81,156 |
| North American Capitals - Map Quiz | 0 | - | 4.87 | 57,690 |
| U.S. Cities with the Most International Tourists | 0 | - | 4.88 | 75,316 |
| U.S. State Border Crossings | 0 | - | 4.97 | 96,347 |
| Europe Capitals Quiz | 0 | - | 5.00 | 1,582,315 |
| Speed Capital to U.S. State | 0 | - | 4.45 | 113,843 |
| 10 Southernmost U.S. State Capitals | 0 | - | 4.51 | 39,006 |
| 10 Northernmost U.S. State Capitals | 0 | - | 4.57 | 35,743 |
| 10 Easternmost U.S. State Capitals | 0 | - | 4.50 | 34,646 |
| States of the U.S. in Alphabetical Order | 0 | - | 4.98 | 366,555 |
| British Cities with the Most Tourists | 0 | - | 4.83 | 69,914 |
| Cities in U.S. History #1 | 0 | - | 4.31 | 45,383 |
| 100 Biggest Cities and Towns in the UK | 0 | - | 4.98 | 146,953 |
| World Capitals by First Two Letters in 90 Seconds | 0 | - | 4.35 | 246,324 |
| Name a Valid European Capital | 0 | - | 4.95 | 152,032 |
| Capital Cities in Squares of an Empty World Map | 0 | - | 4.99 | 89,137 |
| European Capital Superlatives - Top 2 | 0 | - | 4.95 | 81,039 |
| U.S. Suburbs Quiz | 0 | - | 4.47 | 18,384 |
| Central American Countries | 0 | - | 4.98 | 155,866 |
| Total United States Immigration by Country | 0 | - | 4.91 | 111,301 |
| "Do Not Travel" Countries for U.S. Citizens | 0 | - | 4.97 | 243,147 |
| Caribbean / Lesser Antilles Map Quiz | 0 | - | 4.99 | 147,752 |
| Mexico States Map Quiz | 0 | - | 4.85 | 104,444 |
| Name the U.S. National Parks | 0 | - | 4.86 | 59,768 |
| States of Mexico | 0 | - | 4.95 | 175,458 |
| All First-Level Subdivisions of South America on a Map | 0 | - | 4.92 | 53,627 |
| Countries of South America with an Empty Map | 0 | - | 4.94 | 104,772 |
| Global Cities on a World Map | 0 | - | 4.93 | 135,820 |
| Southeast Asian Cities by Map | 0 | - | 4.63 | 26,675 |
| Northernmost Capital Cities | 0 | - | 4.98 | 109,909 |
| Most Remote Capital Cities | 0 | - | 4.92 | 53,218 |
| Capital Cities: Ports and Saints | 0 | - | 4.96 | 45,247 |
| Capitals with the Shortest Names | 0 | - | 4.97 | 108,925 |
| Same Letter Country and Capital | 0 | - | 4.99 | 156,564 |
| Countries by Capital City | 0 | - | 5.00 | 67,880 |
| Capital Cities Based on First Two Letters | 0 | - | 4.85 | 76,948 |
| Capitals of the Largest Countries by Area | 0 | - | 4.97 | 114,440 |
| World Capitals by Proximity | 0 | - | 4.91 | 330,557 |
| South American Capitals - Map Quiz | 0 | - | 4.98 | 130,194 |
| Divided Capital Name Puzzle #1 | 0 | - | 4.99 | 83,934 |
| Most Guessed European Capitals | 0 | - | 4.87 | 101,437 |
| Moved Capital Cities | 0 | - | 4.96 | 74,030 |
| Nordic Countries and Capitals | 0 | - | 4.95 | 83,538 |
| Random European Capital to Country | 0 | - | 4.98 | 190,603 |
| Random European Country to Capital | 0 | - | 4.93 | 164,492 |
| Random Asian Country to Capital | 0 | - | 4.92 | 96,188 |
| Random Asian Capital to Country | 0 | - | 4.97 | 102,578 |
| Random African Capital to Country | 0 | - | 4.97 | 100,476 |
| Random African Country to Capital | 0 | - | 4.94 | 71,076 |
| Melbourne Suburbs | 0 | - | 4.85 | 52,761 |
| Countries by Borders in 90 Seconds | 0 | - | 4.99 | 3,821,523 |
| Most-Visited Countries by Americans | 0 | - | 4.87 | 109,322 |
| Countries that Visit the United States the Most | 0 | - | 4.96 | 91,497 |
| Most-Visited Countries by Canadians | 0 | - | 4.82 | 39,251 |
| Countries Closest to Canada | 0 | - | 4.91 | 198,002 |
| The 13 Colonies Quiz | 0 | - | 4.97 | 117,625 |
| U.S. States with the Letter Y | 0 | - | 4.85 | 111,148 |
| 10 Southernmost U.S. States | 0 | - | 4.88 | 113,187 |
| U.S. States with Short Names | 0 | - | 4.91 | 148,674 |
| U.S. States that Start with M | 0 | - | 4.93 | 186,946 |
| U.S. States By Population | 0 | - | 4.92 | 152,991 |
| U.S. States that Start with N | 0 | - | 4.95 | 171,171 |
| U.S. States with Longest Names | 0 | - | 4.84 | 44,305 |
| 10 Northernmost U.S. States | 0 | - | 4.90 | 82,368 |
| U.S. States with a Unique First Letter | 0 | - | 4.96 | 88,113 |
| 10 Westernmost U.S. States | 0 | - | 4.95 | 64,095 |
| The Only Remaining U.S. State . . . | 0 | - | 4.93 | 65,447 |
| Top 10 Largest U.S. States by Area | 0 | - | 4.95 | 159,755 |
| Top 10 Smallest U.S. States by Area | 0 | - | 4.98 | 177,496 |
| Top 10 Poorest U.S. States by Median Income | 0 | - | 4.86 | 125,035 |
| U.S. States with the Highest Percentage of Hispanics | 0 | - | 4.85 | 69,415 |
| Top 10 Newest U.S. States | 0 | - | 4.85 | 86,104 |
| Countries by First Two Letters in 90 Seconds | 0 | - | 4.98 | 5,613,575 |
| Westernmost Cities in the U.S. | 0 | - | 4.36 | 16,441 |
| U.S. State Capitals Quiz | 0 | - | 5.00 | 1,686,216 |
| U.S. Cities with the Biggest Economies | 0 | - | 4.83 | 72,645 |
| World Capitals Closest to Bangkok | 0 | - | 4.91 | 40,955 |
| Random African Capitals on a Map | 0 | - | 4.96 | 54,634 |
| Random Asian Capitals on a Map | 0 | - | 4.83 | 50,892 |
| Random European Capitals on a Map | 0 | - | 4.97 | 134,462 |
| US State Capitals by Proximity in 30 Seconds | 0 | - | 4.17 | 129,230 |
| US State Capitals by First Two Letters in 45 seconds | 0 | - | 4.09 | 58,111 |
| U.S State Capitals on the Sea | 0 | - | 4.53 | 26,168 |
| Which City in Europe? | 0 | - | 4.83 | 107,145 |
| Countries that Beat the United States | 0 | - | 4.93 | 166,513 |
| Top 10 Most-Visited U.S. States | 0 | - | 4.90 | 101,590 |
| U.S. States with the Most Immigrants | 0 | - | 4.85 | 82,334 |
| Capitals of the Most Populated Countries | 0 | - | 4.96 | 127,697 |
| Fastest Growing U.S. States Since 1960 | 0 | - | 4.48 | 76,064 |
| 100 Biggest Cities on a World Map | 0 | - | 4.99 | 416,379 |
| North American Sports Cities | 0 | - | 4.83 | 171,735 |
| American TV Show Settings | 0 | - | 4.35 | 30,632 |
| Summer Olympic City Bids | 0 | - | 4.93 | 42,231 |
| Cities in European History #1 | 0 | - | 4.63 | 133,775 |
| Cities with the Most Metro Rail Stations | 0 | - | 4.89 | 102,230 |
| Cities by Former Name | 0 | - | 4.83 | 91,412 |
| Capitals in their Native Languages | 0 | - | 4.95 | 133,313 |
| Nearest Capital City #1 | 0 | - | 4.83 | 57,563 |
| Capitals Furthest from the Border | 0 | - | 4.96 | 68,856 |
| Random Capital to Country | 0 | - | 4.99 | 2,587,721 |
| World Capitals on an Empty Map | 0 | - | 4.69 | 53,949 |
| Random Country to Capital | 0 | - | 4.98 | 917,972 |
| Capitals Starting With H | 0 | - | 4.90 | 91,982 |
| Capitals Starting With K | 0 | - | 4.85 | 78,261 |
| Capitals Starting With L | 0 | - | 4.81 | 87,414 |
| Capitals Starting With M | 0 | - | 4.93 | 106,964 |
| Capitals Starting With P | 0 | - | 4.88 | 77,677 |
| Capitals Starting With R | 0 | - | 4.87 | 81,405 |
| Capitals Starting With S | 0 | - | 4.89 | 85,305 |
| Capitals Starting With T | 0 | - | 4.84 | 75,751 |
| Capitals Starting With W | 0 | - | 4.87 | 91,006 |
| Capitals Starting With A | 0 | - | 4.97 | 127,265 |
| Capitals Starting With B | 0 | - | 4.89 | 117,914 |
| Capitals Starting With D | 0 | - | 4.93 | 95,945 |
| U.S. State Capitals Map Quiz | 0 | - | 4.93 | 143,594 |
| Countries of the World in 1900 | 0 | - | 4.89 | 84,535 |
| Countries of the World in 1914 with a Map | 0 | - | 4.99 | 194,673 |
| Countries of the World in 1945 with a Map | 0 | - | 5.00 | 150,332 |
| Tectonic Plates on a Map | 0 | - | 4.97 | 35,592 |
| Layers of the Earth and Atmosphere | 0 | - | 4.96 | 50,402 |
| African East Coast | 0 | - | 4.96 | 95,796 |
| Canadian Geography on the Map | 0 | - | 4.55 | 26,293 |
| Countries of Europe by Population | 0 | - | 4.98 | 180,061 |
| Megacities on a World Map | 0 | - | 4.98 | 253,230 |
| All 3M Cities on the World Map | 0 | - | 4.95 | 74,652 |
| Every 1,000,000+ City on a Map | 0 | - | 4.99 | 114,143 |
| U.S. Cities with the Most Skyscrapers | 0 | - | 4.89 | 95,507 |
| Most Guessed Cities by Country #3 | 0 | - | 4.89 | 45,768 |
| Summer Olympics Host Cities | 0 | - | 4.98 | 214,509 |
| Cities with the Biggest Economies | 0 | - | 4.90 | 130,668 |
| U.S. City Name Etymologies | 0 | - | 4.15 | 21,513 |
| Five Most Guessed Cities by Continent | 0 | - | 4.96 | 112,677 |
| Former Capitals | 0 | - | 4.88 | 71,366 |
| Capital Cities Chain | 0 | - | 4.83 | 82,458 |
| Coldest World Capitals | 0 | - | 4.95 | 133,446 |
| Capital Cities with Spanish Names | 0 | - | 4.90 | 77,373 |
| Name a Valid Capital #1 | 0 | - | 4.96 | 90,645 |
| Random State Capital to U.S. State | 0 | - | 4.84 | 88,806 |
| Which City In the United Kingdom? | 0 | - | 4.97 | 94,085 |
| Which City in Canada? | 0 | - | 4.82 | 56,940 |
