| Every U.S. Metro Area on a Map | 0 | - | 4.97 | 80,572 |
| North America Capitals Quiz | 0 | - | 4.99 | 216,463 |
| Most-Visited U.S. Cities | 0 | - | 4.85 | 92,038 |
| Capitals of Canadian Provinces | 0 | - | 4.85 | 88,291 |
| 15 Largest Cities in Africa With a Map | 0 | - | 4.95 | 109,236 |
| North America Cities by Map | 0 | - | 4.41 | 47,591 |
| Most Guessed U.S. Cities | 0 | - | 4.88 | 104,678 |
| South America Capitals Quiz | 0 | - | 5.00 | 476,745 |
| US State Capitals Quiz - No Hints | 0 | - | 4.98 | 94,426 |
| 10 Westernmost U.S. State Capitals | 0 | - | 4.90 | 47,818 |
| All First-Level Subdivisions of North America on a Map | 0 | - | 4.97 | 62,778 |
| Biggest Cities in a Strip of the United States Map | 0 | - | 4.73 | 40,539 |
| Africa Capitals Quiz | 0 | - | 4.99 | 729,312 |
| Asia Capitals Quiz | 0 | - | 4.98 | 684,762 |
| United States Map Quiz | 0 | - | 4.98 | 4,139,482 |
| Southernmost Major Cities in the U.S. | 0 | - | 4.43 | 36,442 |
| Name a City - European Countries | 0 | - | 4.92 | 64,260 |
| World Capitals by Map | 0 | - | 5.00 | 282,785 |
| Capital Cities in a Ring of the World Map | 0 | - | 4.95 | 57,596 |
| Pixelated United States Map | 0 | - | 4.89 | 93,277 |
| Top 10 Least Populous U.S. States | 0 | - | 4.94 | 190,217 |
| Top 10 Most Populous U.S. States | 0 | - | 4.97 | 171,980 |
| U.S Cities by African-American Population | 0 | - | 4.42 | 94,662 |
| South American Cities on the Map | 0 | - | 4.57 | 35,223 |
| 1M Cities by Proximity - United States | 0 | - | 4.55 | 149,584 |
| Most-Visited Cities in Europe | 0 | - | 4.82 | 73,637 |
| Europe Capital to Country | 0 | - | 4.99 | 247,265 |
| Asia Capital to Country | 0 | - | 4.96 | 125,609 |
| EU Capitals with No Hints | 0 | - | 4.96 | 144,271 |
| European Capitals by Map | 0 | - | 4.99 | 135,903 |
| African Capitals by Map | 0 | - | 4.99 | 132,037 |
| Asian Capitals by Map | 0 | - | 4.98 | 60,952 |
| 10 Westernmost Capital Cities in Europe | 0 | - | 4.88 | 91,062 |
| 10 Northernmost Capital Cities in Europe | 0 | - | 4.96 | 83,519 |
| European Coastal Capitals | 0 | - | 4.95 | 89,629 |
| 10 Easternmost Capital Cities in Asia | 0 | - | 4.89 | 52,141 |
| Capitals of Oceania Quiz | 0 | - | 4.99 | 266,337 |
| Europe by Capitals and Borders in 30 Seconds | 0 | - | 4.88 | 221,511 |
| Capitals of Mediterranean Countries | 0 | - | 4.95 | 81,368 |
| Countries of North America Quiz | 0 | - | 5.00 | 1,010,317 |
| Canada Provinces Map Quiz | 0 | - | 4.99 | 635,277 |
| Canada Provinces and Territories | 0 | - | 5.00 | 337,222 |
| World Capitals Quiz | 0 | - | 5.00 | 5,025,223 |
| Central America and Caribbean Map Quiz | 0 | - | 4.89 | 899,467 |
| U.S. States with the Lowest Population Density | 0 | - | 4.92 | 93,563 |
| Official Cities in the UK | 0 | - | 4.89 | 280,104 |
| Northernmost Major Cities in the U.S. | 0 | - | 4.38 | 48,513 |
| European Cities by Map #2 | 0 | - | 4.48 | 47,175 |
| European Cities by Map #1 | 0 | - | 4.64 | 55,543 |
| Asian Cities by Map #1 | 0 | - | 4.50 | 40,790 |
| U.S. Cities with the Most Homeless People | 0 | - | 4.31 | 33,446 |
| Mediterranean Cities by Map | 0 | - | 4.51 | 51,000 |
| U.S. Cities with the Highest Murder Rate | 0 | - | 4.55 | 137,582 |
| Cities in Squares on a Map - Europe | 0 | - | 4.73 | 53,112 |
| African Capitals - Map Quiz | 0 | - | 4.93 | 61,526 |
| Top 10 Most Remote European Capitals | 0 | - | 4.86 | 93,324 |
| European Capitals - Map Quiz | 0 | - | 4.97 | 118,001 |
| Middle East Capital Cities Quiz | 0 | - | 4.96 | 87,070 |
| European Capitals Furthest from the Sea | 0 | - | 4.92 | 81,639 |
| Asian Capitals - Map Quiz | 0 | - | 4.95 | 60,361 |
| European Capitals Ending in N | 0 | - | 4.92 | 80,696 |
| North American Capitals - Map Quiz | 0 | - | 4.87 | 56,849 |
| U.S. Cities with the Most International Tourists | 0 | - | 4.88 | 74,739 |
| U.S. State Border Crossings | 0 | - | 4.97 | 95,827 |
| Europe Capitals Quiz | 0 | - | 5.00 | 1,568,786 |
| Speed Capital to U.S. State | 0 | - | 4.46 | 113,451 |
| 10 Southernmost U.S. State Capitals | 0 | - | 4.51 | 38,884 |
| 10 Northernmost U.S. State Capitals | 0 | - | 4.57 | 35,633 |
| 10 Easternmost U.S. State Capitals | 0 | - | 4.50 | 34,484 |
| States of the U.S. in Alphabetical Order | 0 | - | 4.98 | 365,038 |
| British Cities with the Most Tourists | 0 | - | 4.82 | 69,078 |
| Cities in U.S. History #1 | 0 | - | 4.25 | 37,504 |
| 100 Biggest Cities and Towns in the UK | 0 | - | 4.97 | 144,627 |
| World Capitals by First Two Letters in 90 Seconds | 0 | - | 4.35 | 245,731 |
| Name a Valid European Capital | 0 | - | 4.95 | 150,666 |
| Capital Cities in Squares of an Empty World Map | 0 | - | 4.99 | 88,559 |
| European Capital Superlatives - Top 2 | 0 | - | 4.94 | 80,603 |
| U.S. Suburbs Quiz | 0 | - | 4.47 | 18,334 |
| Central American Countries | 0 | - | 4.98 | 154,906 |
| Total United States Immigration by Country | 0 | - | 4.91 | 110,504 |
| "Do Not Travel" Countries for U.S. Citizens | 0 | - | 4.97 | 239,923 |
| Caribbean / Lesser Antilles Map Quiz | 0 | - | 4.99 | 145,542 |
| Mexico States Map Quiz | 0 | - | 4.84 | 103,664 |
| Name the U.S. National Parks | 0 | - | 4.85 | 57,365 |
| States of Mexico | 0 | - | 4.95 | 173,002 |
| All First-Level Subdivisions of South America on a Map | 0 | - | 4.92 | 52,758 |
| Countries of South America with an Empty Map | 0 | - | 4.94 | 104,034 |
| Global Cities on a World Map | 0 | - | 4.93 | 134,564 |
| Southeast Asian Cities by Map | 0 | - | 4.63 | 26,564 |
| Northernmost Capital Cities | 0 | - | 4.98 | 108,805 |
| Most Remote Capital Cities | 0 | - | 4.92 | 52,559 |
| Capital Cities: Ports and Saints | 0 | - | 4.96 | 44,507 |
| Capitals with the Shortest Names | 0 | - | 4.97 | 107,474 |
| Same Letter Country and Capital | 0 | - | 4.99 | 155,203 |
| Countries by Capital City | 0 | - | 5.00 | 66,445 |
| Capital Cities Based on First Two Letters | 0 | - | 4.85 | 76,219 |
| Capitals of the Largest Countries by Area | 0 | - | 4.96 | 113,803 |
| World Capitals by Proximity | 0 | - | 4.91 | 327,923 |
| South American Capitals - Map Quiz | 0 | - | 4.98 | 129,291 |
| Divided Capital Name Puzzle #1 | 0 | - | 4.99 | 83,332 |
| Most Guessed European Capitals | 0 | - | 4.87 | 101,148 |
| Moved Capital Cities | 0 | - | 4.96 | 73,505 |
| Nordic Countries and Capitals | 0 | - | 4.95 | 82,945 |
| Random European Capital to Country | 0 | - | 4.98 | 189,043 |
| Random European Country to Capital | 0 | - | 4.92 | 147,328 |
| Random Asian Country to Capital | 0 | - | 4.92 | 95,262 |
| Random Asian Capital to Country | 0 | - | 4.97 | 101,324 |
| Random African Capital to Country | 0 | - | 4.97 | 99,667 |
| Random African Country to Capital | 0 | - | 4.94 | 70,148 |
| Melbourne Suburbs | 0 | - | 4.84 | 51,623 |
| Countries by Borders in 90 Seconds | 0 | - | 4.99 | 3,797,195 |
| Most-Visited Countries by Americans | 0 | - | 4.87 | 108,265 |
| Countries that Visit the United States the Most | 0 | - | 4.96 | 90,702 |
| Countries Closest to Canada | 0 | - | 4.90 | 197,227 |
| The 13 Colonies Quiz | 0 | - | 4.97 | 116,564 |
| U.S. States with the Letter Y | 0 | - | 4.85 | 110,197 |
| 10 Southernmost U.S. States | 0 | - | 4.88 | 112,256 |
| U.S. States with Short Names | 0 | - | 4.91 | 147,468 |
| U.S. States that Start with M | 0 | - | 4.93 | 185,737 |
| U.S. States By Population | 0 | - | 4.92 | 152,245 |
| U.S. States that Start with N | 0 | - | 4.95 | 170,234 |
| U.S. States with Longest Names | 0 | - | 4.84 | 43,768 |
| 10 Northernmost U.S. States | 0 | - | 4.90 | 81,830 |
| U.S. States with a Unique First Letter | 0 | - | 4.96 | 87,437 |
| 10 Westernmost U.S. States | 0 | - | 4.95 | 63,699 |
| The Only Remaining U.S. State . . . | 0 | - | 4.92 | 64,778 |
| Top 10 Largest U.S. States by Area | 0 | - | 4.95 | 158,763 |
| Top 10 Smallest U.S. States by Area | 0 | - | 4.98 | 177,024 |
| Top 10 Poorest U.S. States by Median Income | 0 | - | 4.86 | 124,388 |
| U.S. States with the Highest Percentage of Hispanics | 0 | - | 4.85 | 69,015 |
| Top 10 Newest U.S. States | 0 | - | 4.85 | 85,603 |
| Countries by First Two Letters in 90 Seconds | 0 | - | 4.98 | 5,583,263 |
| Westernmost Cities in the U.S. | 0 | - | 4.36 | 16,394 |
| U.S. State Capitals Quiz | 0 | - | 5.00 | 1,675,978 |
| U.S. Cities with the Biggest Economies | 0 | - | 4.83 | 71,929 |
| World Capitals Closest to Bangkok | 0 | - | 4.91 | 40,770 |
| Random African Capitals on a Map | 0 | - | 4.96 | 54,203 |
| Random Asian Capitals on a Map | 0 | - | 4.83 | 50,574 |
| Random European Capitals on a Map | 0 | - | 4.97 | 133,736 |
| US State Capitals by Proximity in 30 Seconds | 0 | - | 4.17 | 128,733 |
| US State Capitals by First Two Letters in 45 seconds | 0 | - | 4.09 | 58,015 |
| U.S State Capitals on the Sea | 0 | - | 4.53 | 26,116 |
| Which City in Europe? | 0 | - | 4.83 | 106,540 |
| Countries that Beat the United States | 0 | - | 4.93 | 165,369 |
| Top 10 Most-Visited U.S. States | 0 | - | 4.90 | 100,955 |
| U.S. States with the Most Immigrants | 0 | - | 4.84 | 81,854 |
| Capitals of the Most Populated Countries | 0 | - | 4.96 | 127,025 |
| Fastest Growing U.S. States Since 1960 | 0 | - | 4.48 | 75,746 |
| 100 Biggest Cities on a World Map | 0 | - | 4.99 | 413,194 |
| North American Sports Cities | 0 | - | 4.83 | 170,741 |
| American TV Show Settings | 0 | - | 4.35 | 30,578 |
| Summer Olympic City Bids | 0 | - | 4.93 | 41,877 |
| Cities in European History #1 | 0 | - | 4.63 | 132,945 |
| Cities with the Most Metro Rail Stations | 0 | - | 4.89 | 101,631 |
| Cities by Former Name | 0 | - | 4.84 | 90,861 |
| Capitals in their Native Languages | 0 | - | 4.95 | 132,631 |
| Nearest Capital City #1 | 0 | - | 4.84 | 57,184 |
| Capitals Furthest from the Border | 0 | - | 4.96 | 67,762 |
| Random Capital to Country | 0 | - | 4.99 | 2,576,076 |
| World Capitals on an Empty Map | 0 | - | 4.69 | 53,383 |
| Random Country to Capital | 0 | - | 4.98 | 910,415 |
| Capitals Starting With H | 0 | - | 4.90 | 88,224 |
| Capitals Starting With K | 0 | - | 4.85 | 75,449 |
| Capitals Starting With M | 0 | - | 4.93 | 105,734 |
| Capitals Starting With P | 0 | - | 4.88 | 76,973 |
| Capitals Starting With R | 0 | - | 4.87 | 80,777 |
| Capitals Starting With S | 0 | - | 4.89 | 84,579 |
| Capitals Starting With T | 0 | - | 4.84 | 75,114 |
| Capitals Starting With W | 0 | - | 4.89 | 90,438 |
| Capitals Starting With A | 0 | - | 4.97 | 126,240 |
| Capitals Starting With B | 0 | - | 4.89 | 117,006 |
| Capitals Starting With D | 0 | - | 4.93 | 95,096 |
| U.S. State Capitals Map Quiz | 0 | - | 4.93 | 142,209 |
| Countries of the World in 1900 | 0 | - | 4.89 | 83,291 |
| Countries of the World in 1914 with a Map | 0 | - | 4.99 | 192,856 |
| Countries of the World in 1945 with a Map | 0 | - | 5.00 | 148,559 |
| Tectonic Plates on a Map | 0 | - | 4.97 | 35,240 |
| Layers of the Earth and Atmosphere | 0 | - | 4.97 | 50,146 |
| African East Coast | 0 | - | 4.96 | 94,905 |
| Canadian Geography on the Map | 0 | - | 4.55 | 26,174 |
| Countries of Europe by Population | 0 | - | 4.98 | 177,667 |
| Megacities on a World Map | 0 | - | 4.98 | 250,142 |
| All 3M Cities on the World Map | 0 | - | 4.95 | 73,734 |
| Every 1,000,000+ City on a Map | 0 | - | 4.99 | 112,455 |
| U.S. Cities with the Most Skyscrapers | 0 | - | 4.89 | 95,257 |
| Most Guessed Cities by Country #3 | 0 | - | 4.89 | 45,079 |
| Summer Olympics Host Cities | 0 | - | 4.98 | 212,846 |
| Cities with the Biggest Economies | 0 | - | 4.91 | 129,483 |
| U.S. City Name Etymologies | 0 | - | 4.15 | 21,463 |
| Five Most Guessed Cities by Continent | 0 | - | 4.96 | 112,263 |
| Former Capitals | 0 | - | 4.88 | 71,075 |
| Capital Cities Chain | 0 | - | 4.84 | 81,796 |
| Coldest World Capitals | 0 | - | 4.95 | 132,979 |
| Capital Cities with Spanish Names | 0 | - | 4.90 | 76,684 |
| Name a Valid Capital #1 | 0 | - | 4.96 | 89,856 |
| Random State Capital to U.S. State | 0 | - | 4.84 | 88,088 |
| Which City In the United Kingdom? | 0 | - | 4.97 | 93,260 |
| Which City in Canada? | 0 | - | 4.82 | 56,604 |
| Pixelated World Map | 0 | - | 5.00 | 141,767 |
| Countries of Europe in 1444 | 0 | - | 4.92 | 98,594 |
