| Every U.S. Metro Area on a Map | 0 | - | 4.97 | 82,319 |
| North America Capitals Quiz | 0 | - | 4.99 | 221,462 |
| Most-Visited U.S. Cities | 0 | - | 4.85 | 94,599 |
| Capitals of Canadian Provinces | 0 | - | 4.85 | 89,449 |
| 15 Largest Cities in Africa With a Map | 0 | - | 4.96 | 111,250 |
| South America Capitals Quiz | 0 | - | 5.00 | 483,877 |
| Most Guessed U.S. Cities | 0 | - | 4.89 | 106,730 |
| US State Capitals Quiz - No Hints | 0 | - | 4.98 | 95,488 |
| 10 Westernmost U.S. State Capitals | 0 | - | 4.90 | 48,250 |
| All First-Level Subdivisions of North America on a Map | 0 | - | 4.97 | 64,675 |
| Biggest Cities in a Strip of the United States Map | 0 | - | 4.74 | 41,133 |
| Name a City - European Countries | 0 | - | 4.90 | 65,945 |
| Africa Capitals Quiz | 0 | - | 4.99 | 742,048 |
| Asia Capitals Quiz | 0 | - | 4.98 | 697,090 |
| World Capitals by Map | 0 | - | 5.00 | 288,576 |
| Capital Cities in a Ring of the World Map | 0 | - | 4.95 | 58,674 |
| United States Map Quiz | 0 | - | 4.98 | 4,167,464 |
| Southernmost Major Cities in the U.S. | 0 | - | 4.43 | 36,662 |
| Pixelated United States Map | 0 | - | 4.88 | 94,643 |
| Countries of North America Quiz | 0 | - | 5.00 | 1,028,749 |
| Canada Provinces Map Quiz | 0 | - | 4.99 | 643,069 |
| Canada Provinces and Territories | 0 | - | 5.00 | 345,075 |
| Top 10 Least Populous U.S. States | 0 | - | 4.94 | 192,396 |
| Top 10 Most Populous U.S. States | 0 | - | 4.97 | 177,337 |
| U.S Cities by African-American Population | 0 | - | 4.42 | 95,513 |
| South American Cities on the Map | 0 | - | 4.52 | 35,518 |
| 1M Cities by Proximity - United States | 0 | - | 4.63 | 151,599 |
| Most-Visited Cities in Europe | 0 | - | 4.83 | 75,789 |
| World Capitals Quiz | 0 | - | 5.00 | 5,095,722 |
| Europe Capital to Country | 0 | - | 4.99 | 251,566 |
| Asia Capital to Country | 0 | - | 4.96 | 127,189 |
| EU Capitals with No Hints | 0 | - | 4.96 | 146,651 |
| European Capitals by Map | 0 | - | 4.99 | 141,410 |
| African Capitals by Map | 0 | - | 4.99 | 141,422 |
| Asian Capitals by Map | 0 | - | 4.98 | 63,599 |
| 10 Westernmost Capital Cities in Europe | 0 | - | 4.88 | 92,639 |
| 10 Northernmost Capital Cities in Europe | 0 | - | 4.96 | 84,978 |
| European Coastal Capitals | 0 | - | 4.95 | 91,087 |
| 10 Easternmost Capital Cities in Asia | 0 | - | 4.89 | 53,070 |
| Capitals of Oceania Quiz | 0 | - | 4.99 | 271,751 |
| Europe by Capitals and Borders in 30 Seconds | 0 | - | 4.88 | 225,288 |
| Capitals of Mediterranean Countries | 0 | - | 4.95 | 82,055 |
| Official Cities in the UK | 0 | - | 4.89 | 285,459 |
| Northernmost Major Cities in the U.S. | 0 | - | 4.38 | 48,895 |
| European Cities by Map #2 | 0 | - | 4.49 | 47,423 |
| European Cities by Map #1 | 0 | - | 4.67 | 55,851 |
| Asian Cities by Map #1 | 0 | - | 4.50 | 40,934 |
| U.S. Cities with the Most Homeless People | 0 | - | 4.31 | 33,607 |
| Mediterranean Cities by Map | 0 | - | 4.51 | 51,188 |
| U.S. Cities with the Highest Murder Rate | 0 | - | 4.55 | 138,901 |
| Cities in Squares on a Map - Europe | 0 | - | 4.69 | 54,330 |
| African Capitals - Map Quiz | 0 | - | 4.94 | 62,981 |
| Top 10 Most Remote European Capitals | 0 | - | 4.87 | 94,399 |
| European Capitals - Map Quiz | 0 | - | 4.97 | 119,834 |
| Middle East Capital Cities Quiz | 0 | - | 4.96 | 88,248 |
| European Capitals Furthest from the Sea | 0 | - | 4.92 | 82,461 |
| Asian Capitals - Map Quiz | 0 | - | 4.95 | 61,771 |
| European Capitals Ending in N | 0 | - | 4.92 | 81,577 |
| Central America and Caribbean Map Quiz | 0 | - | 4.89 | 904,152 |
| North American Capitals - Map Quiz | 0 | - | 4.88 | 58,576 |
| U.S. Cities with the Most International Tourists | 0 | - | 4.88 | 75,796 |
| U.S. State Border Crossings | 0 | - | 4.97 | 96,757 |
| U.S. States with the Lowest Population Density | 0 | - | 4.92 | 94,087 |
| Europe Capitals Quiz | 0 | - | 5.00 | 1,595,593 |
| States of the U.S. in Alphabetical Order | 0 | - | 4.98 | 368,215 |
| British Cities with the Most Tourists | 0 | - | 4.83 | 70,699 |
| Cities in U.S. History #1 | 0 | - | 4.31 | 45,497 |
| 100 Biggest Cities and Towns in the UK | 0 | - | 4.98 | 150,380 |
| World Capitals by First Two Letters in 90 Seconds | 0 | - | 4.35 | 246,687 |
| Name a Valid European Capital | 0 | - | 4.95 | 153,257 |
| Capital Cities in Squares of an Empty World Map | 0 | - | 4.99 | 89,714 |
| European Capital Superlatives - Top 2 | 0 | - | 4.95 | 81,437 |
| Speed Capital to U.S. State | 0 | - | 4.45 | 114,243 |
| 10 Southernmost U.S. State Capitals | 0 | - | 4.51 | 39,106 |
| 10 Northernmost U.S. State Capitals | 0 | - | 4.57 | 35,838 |
| 10 Easternmost U.S. State Capitals | 0 | - | 4.50 | 34,755 |
| U.S. Suburbs Quiz | 0 | - | 4.47 | 18,429 |
| Central American Countries | 0 | - | 4.98 | 157,104 |
| Caribbean Countries and Territories | 0 | - | 4.81 | 113,140 |
| Total United States Immigration by Country | 0 | - | 4.91 | 112,143 |
| "Do Not Travel" Countries for U.S. Citizens | 0 | - | 4.97 | 245,740 |
| Caribbean / Lesser Antilles Map Quiz | 0 | - | 4.99 | 149,790 |
| Mexico States Map Quiz | 0 | - | 4.84 | 105,439 |
| Name the U.S. National Parks | 0 | - | 4.86 | 60,322 |
| States of Mexico | 0 | - | 4.96 | 177,593 |
| All First-Level Subdivisions of South America on a Map | 0 | - | 4.92 | 54,510 |
| Countries of South America with an Empty Map | 0 | - | 4.94 | 105,310 |
| Global Cities on a World Map | 0 | - | 4.93 | 136,986 |
| Southeast Asian Cities by Map | 0 | - | 4.63 | 26,778 |
| Northernmost Capital Cities | 0 | - | 4.98 | 110,905 |
| Most Remote Capital Cities | 0 | - | 4.92 | 53,799 |
| Capital Cities: Ports and Saints | 0 | - | 4.96 | 45,988 |
| Capitals with the Shortest Names | 0 | - | 4.97 | 109,920 |
| Same Letter Country and Capital | 0 | - | 4.99 | 157,794 |
| Countries by Capital City | 0 | - | 5.00 | 69,079 |
| Capital Cities Based on First Two Letters | 0 | - | 4.85 | 77,649 |
| Capitals of the Largest Countries by Area | 0 | - | 4.96 | 115,056 |
| World Capitals by Proximity | 0 | - | 4.91 | 333,091 |
| Divided Capital Name Puzzle #1 | 0 | - | 4.99 | 84,630 |
| Moved Capital Cities | 0 | - | 4.96 | 74,524 |
| Countries by Borders in 90 Seconds | 0 | - | 4.99 | 3,842,544 |
| Countries by First Two Letters in 90 Seconds | 0 | - | 4.98 | 5,643,877 |
| Westernmost Cities in the U.S. | 0 | - | 4.37 | 16,484 |
| U.S. State Capitals Quiz | 0 | - | 5.00 | 1,696,088 |
| South American Capitals - Map Quiz | 0 | - | 4.98 | 131,150 |
| Most Guessed European Capitals | 0 | - | 4.87 | 101,714 |
| Nordic Countries and Capitals | 0 | - | 4.95 | 83,949 |
| Random European Capital to Country | 0 | - | 4.98 | 191,834 |
| Random European Country to Capital | 0 | - | 4.93 | 165,665 |
| Random Asian Country to Capital | 0 | - | 4.92 | 96,875 |
| Random Asian Capital to Country | 0 | - | 4.97 | 103,261 |
| Random African Capital to Country | 0 | - | 4.97 | 101,145 |
| Random African Country to Capital | 0 | - | 4.94 | 71,611 |
| Melbourne Suburbs | 0 | - | 4.86 | 53,984 |
| Most-Visited Countries by Americans | 0 | - | 4.86 | 110,249 |
| Countries that Visit the United States the Most | 0 | - | 4.96 | 92,231 |
| Most-Visited Countries by Canadians | 0 | - | 4.83 | 39,527 |
| Countries Closest to Canada | 0 | - | 4.91 | 198,865 |
| The 13 Colonies Quiz | 0 | - | 4.97 | 118,772 |
| U.S. States with the Letter Y | 0 | - | 4.85 | 111,992 |
| 10 Southernmost U.S. States | 0 | - | 4.89 | 114,008 |
| U.S. States with Short Names | 0 | - | 4.91 | 149,650 |
| U.S. States that Start with M | 0 | - | 4.93 | 188,006 |
| U.S. States By Population | 0 | - | 4.92 | 153,955 |
| U.S. States that Start with N | 0 | - | 4.95 | 171,982 |
| U.S. States with Longest Names | 0 | - | 4.84 | 44,752 |
| 10 Northernmost U.S. States | 0 | - | 4.90 | 82,938 |
| U.S. States with a Unique First Letter | 0 | - | 4.96 | 88,706 |
| 10 Westernmost U.S. States | 0 | - | 4.95 | 64,439 |
| The Only Remaining U.S. State . . . | 0 | - | 4.93 | 65,951 |
| Top 10 Largest U.S. States by Area | 0 | - | 4.95 | 160,500 |
| Top 10 Smallest U.S. States by Area | 0 | - | 4.98 | 178,067 |
| Top 10 Poorest U.S. States by Median Income | 0 | - | 4.86 | 125,561 |
| U.S. States with the Highest Percentage of Hispanics | 0 | - | 4.85 | 69,752 |
| Top 10 Newest U.S. States | 0 | - | 4.85 | 86,551 |
| Top 10 U.S. States Where the Rent is Too Dang High | 0 | - | 4.85 | 67,886 |
| Capitals of the Most Populated Countries | 0 | - | 4.96 | 128,275 |
| 100 Biggest Cities on a World Map | 0 | - | 4.99 | 419,798 |
| North American Sports Cities | 0 | - | 4.83 | 172,942 |
| Summer Olympic City Bids | 0 | - | 4.94 | 42,493 |
| U.S. Cities with the Biggest Economies | 0 | - | 4.83 | 73,190 |
| Cities with the Most Metro Rail Stations | 0 | - | 4.89 | 102,789 |
| Cities by Former Name | 0 | - | 4.83 | 91,897 |
| Capitals in their Native Languages | 0 | - | 4.95 | 133,598 |
| Nearest Capital City #1 | 0 | - | 4.83 | 57,876 |
| World Capitals Closest to Bangkok | 0 | - | 4.91 | 41,110 |
| Capitals Furthest from the Border | 0 | - | 4.96 | 69,622 |
| Random Capital to Country | 0 | - | 4.99 | 2,598,279 |
| Random African Capitals on a Map | 0 | - | 4.96 | 55,152 |
| Random Asian Capitals on a Map | 0 | - | 4.83 | 51,275 |
| Random European Capitals on a Map | 0 | - | 4.97 | 135,220 |
| Random Country to Capital | 0 | - | 4.98 | 925,460 |
| Capitals Starting With H | 0 | - | 4.91 | 92,917 |
| Capitals Starting With K | 0 | - | 4.88 | 83,971 |
| Capitals Starting With L | 0 | - | 4.81 | 88,426 |
| Capitals Starting With M | 0 | - | 4.93 | 108,400 |
| Capitals Starting With P | 0 | - | 4.88 | 78,541 |
| Capitals Starting With R | 0 | - | 4.87 | 82,139 |
| Capitals Starting With S | 0 | - | 4.90 | 86,133 |
| Capitals Starting With T | 0 | - | 4.85 | 76,468 |
| Capitals Starting With W | 0 | - | 4.87 | 91,490 |
| Capitals Starting With A | 0 | - | 4.97 | 128,556 |
| Capitals Starting With B | 0 | - | 4.89 | 118,952 |
| Capitals Starting With D | 0 | - | 4.93 | 96,818 |
| US State Capitals by Proximity in 30 Seconds | 0 | - | 4.17 | 129,643 |
| US State Capitals by First Two Letters in 45 seconds | 0 | - | 4.09 | 58,211 |
| U.S State Capitals on the Sea | 0 | - | 4.53 | 26,237 |
| Which City in Europe? | 0 | - | 4.83 | 107,758 |
| Countries of the World in 1900 | 0 | - | 4.89 | 85,630 |
| Countries of the World in 1914 with a Map | 0 | - | 4.99 | 196,281 |
| Countries of the World in 1945 with a Map | 0 | - | 5.00 | 151,766 |
| Countries that Beat the United States | 0 | - | 4.93 | 168,311 |
| Top 10 Most-Visited U.S. States | 0 | - | 4.90 | 102,270 |
| Tectonic Plates on a Map | 0 | - | 4.97 | 35,829 |
| Layers of the Earth and Atmosphere | 0 | - | 4.96 | 50,634 |
| U.S. States with the Most Immigrants | 0 | - | 4.85 | 82,912 |
| African East Coast | 0 | - | 4.96 | 96,531 |
| Canadian Geography on the Map | 0 | - | 4.55 | 26,400 |
| Single Vowel Capitals | 0 | - | 4.82 | 14,651 |
| Fastest Growing U.S. States Since 1960 | 0 | - | 4.48 | 76,283 |
| American TV Show Settings | 0 | - | 4.37 | 30,688 |
| Cities in European History #1 | 0 | - | 4.63 | 134,432 |
| World Capitals on an Empty Map | 0 | - | 4.69 | 54,431 |
| U.S. State Capitals Map Quiz | 0 | - | 4.93 | 149,108 |
| Countries of Europe by Population | 0 | - | 4.98 | 182,329 |
| Megacities on a World Map | 0 | - | 4.98 | 256,189 |
| All 3M Cities on the World Map | 0 | - | 4.95 | 75,459 |
| Every 1,000,000+ City on a Map | 0 | - | 4.99 | 115,764 |
| Biggest City by Body of Water | 0 | - | 4.51 | 40,296 |
| Southernmost Major Cities | 0 | - | 4.48 | 57,623 |
| U.S. City Prefixes and Suffixes | 0 | - | 4.48 | 73,031 |
| Cities with the Most Foreign Embassies | 0 | - | 4.69 | 47,209 |
| U.S. Cities with the Most Skyscrapers | 0 | - | 4.89 | 95,700 |
| Most Guessed Cities by Country #3 | 0 | - | 4.89 | 46,710 |
| Summer Olympics Host Cities | 0 | - | 4.98 | 216,040 |
| Random European City to Country | 0 | - | 4.69 | 118,257 |
| Random Asian City to Country | 0 | - | 4.56 | 44,585 |
| Cities with the Biggest Economies | 0 | - | 4.91 | 131,489 |
| U.S. City Name Etymologies | 0 | - | 4.15 | 21,571 |
| Five Most Guessed Cities by Continent | 0 | - | 4.96 | 113,414 |
