| Every U.S. Metro Area on a Map | 0 | - | 4.97 | 80,563 |
| North America Capitals Quiz | 0 | - | 4.99 | 216,455 |
| Most-Visited U.S. Cities | 0 | - | 4.85 | 92,036 |
| Capitals of Canadian Provinces | 0 | - | 4.85 | 88,287 |
| 15 Largest Cities in Africa With a Map | 0 | - | 4.95 | 109,233 |
| North America Cities by Map | 0 | - | 4.41 | 47,591 |
| Most Guessed U.S. Cities | 0 | - | 4.88 | 104,674 |
| South America Capitals Quiz | 0 | - | 5.00 | 476,733 |
| US State Capitals Quiz - No Hints | 0 | - | 4.98 | 94,425 |
| 10 Westernmost U.S. State Capitals | 0 | - | 4.90 | 47,818 |
| All First-Level Subdivisions of North America on a Map | 0 | - | 4.97 | 62,776 |
| Biggest Cities in a Strip of the United States Map | 0 | - | 4.73 | 40,539 |
| Africa Capitals Quiz | 0 | - | 4.99 | 729,282 |
| Asia Capitals Quiz | 0 | - | 4.98 | 684,727 |
| United States Map Quiz | 0 | - | 4.98 | 4,139,429 |
| Southernmost Major Cities in the U.S. | 0 | - | 4.43 | 36,441 |
| Name a City - European Countries | 0 | - | 4.92 | 64,256 |
| World Capitals by Map | 0 | - | 5.00 | 282,776 |
| Capital Cities in a Ring of the World Map | 0 | - | 4.95 | 57,594 |
| Pixelated United States Map | 0 | - | 4.89 | 93,272 |
| Top 10 Least Populous U.S. States | 0 | - | 4.94 | 190,212 |
| Top 10 Most Populous U.S. States | 0 | - | 4.97 | 171,963 |
| U.S Cities by African-American Population | 0 | - | 4.42 | 94,660 |
| South American Cities on the Map | 0 | - | 4.57 | 35,223 |
| 1M Cities by Proximity - United States | 0 | - | 4.55 | 149,583 |
| Most-Visited Cities in Europe | 0 | - | 4.82 | 73,633 |
| Europe Capital to Country | 0 | - | 4.99 | 247,256 |
| Asia Capital to Country | 0 | - | 4.96 | 125,602 |
| EU Capitals with No Hints | 0 | - | 4.96 | 144,263 |
| European Capitals by Map | 0 | - | 4.99 | 135,893 |
| African Capitals by Map | 0 | - | 4.99 | 132,032 |
| Asian Capitals by Map | 0 | - | 4.98 | 60,948 |
| 10 Westernmost Capital Cities in Europe | 0 | - | 4.88 | 91,059 |
| 10 Northernmost Capital Cities in Europe | 0 | - | 4.96 | 83,518 |
| European Coastal Capitals | 0 | - | 4.95 | 89,628 |
| 10 Easternmost Capital Cities in Asia | 0 | - | 4.89 | 52,139 |
| Capitals of Oceania Quiz | 0 | - | 4.99 | 266,322 |
| Europe by Capitals and Borders in 30 Seconds | 0 | - | 4.88 | 221,506 |
| Capitals of Mediterranean Countries | 0 | - | 4.95 | 81,368 |
| Countries of North America Quiz | 0 | - | 5.00 | 1,010,255 |
| Canada Provinces Map Quiz | 0 | - | 4.99 | 635,252 |
| Canada Provinces and Territories | 0 | - | 5.00 | 337,202 |
| World Capitals Quiz | 0 | - | 5.00 | 5,025,059 |
| Central America and Caribbean Map Quiz | 0 | - | 4.89 | 899,460 |
| U.S. States with the Lowest Population Density | 0 | - | 4.92 | 93,563 |
| Official Cities in the UK | 0 | - | 4.89 | 280,099 |
| 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 | 33,443 |
| Mediterranean Cities by Map | 0 | - | 4.51 | 50,999 |
| U.S. Cities with the Highest Murder Rate | 0 | - | 4.55 | 137,582 |
| Cities in Squares on a Map - Europe | 0 | - | 4.73 | 53,111 |
| African Capitals - Map Quiz | 0 | - | 4.93 | 61,523 |
| Top 10 Most Remote European Capitals | 0 | - | 4.86 | 93,324 |
| European Capitals - Map Quiz | 0 | - | 4.97 | 117,999 |
| Middle East Capital Cities Quiz | 0 | - | 4.96 | 87,068 |
| 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 | 80,691 |
| North American Capitals - Map Quiz | 0 | - | 4.87 | 56,847 |
| U.S. Cities with the Most International Tourists | 0 | - | 4.88 | 74,731 |
| U.S. State Border Crossings | 0 | - | 4.97 | 95,824 |
| Europe Capitals Quiz | 0 | - | 5.00 | 1,568,737 |
| Speed Capital to U.S. State | 0 | - | 4.46 | 113,449 |
| 10 Southernmost U.S. State Capitals | 0 | - | 4.51 | 38,883 |
| 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 | 365,033 |
| British Cities with the Most Tourists | 0 | - | 4.82 | 69,074 |
| Cities in U.S. History #1 | 0 | - | 4.25 | 37,504 |
| 100 Biggest Cities and Towns in the UK | 0 | - | 4.97 | 144,623 |
| World Capitals by First Two Letters in 90 Seconds | 0 | - | 4.35 | 245,729 |
| Name a Valid European Capital | 0 | - | 4.95 | 150,662 |
| Capital Cities in Squares of an Empty World Map | 0 | - | 4.99 | 88,558 |
| 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 | 154,901 |
| Total United States Immigration by Country | 0 | - | 4.91 | 110,497 |
| "Do Not Travel" Countries for U.S. Citizens | 0 | - | 4.97 | 239,908 |
| Caribbean / Lesser Antilles Map Quiz | 0 | - | 4.99 | 145,541 |
| Mexico States Map Quiz | 0 | - | 4.84 | 103,661 |
| Name the U.S. National Parks | 0 | - | 4.85 | 57,312 |
| States of Mexico | 0 | - | 4.95 | 172,998 |
| All First-Level Subdivisions of South America on a Map | 0 | - | 4.92 | 52,750 |
| Countries of South America with an Empty Map | 0 | - | 4.94 | 104,031 |
| Global Cities on a World Map | 0 | - | 4.93 | 134,560 |
| Southeast Asian Cities by Map | 0 | - | 4.63 | 26,564 |
| Northernmost Capital Cities | 0 | - | 4.98 | 108,802 |
| Most Remote Capital Cities | 0 | - | 4.92 | 52,555 |
| Capital Cities: Ports and Saints | 0 | - | 4.96 | 44,505 |
| Capitals with the Shortest Names | 0 | - | 4.97 | 107,470 |
| Same Letter Country and Capital | 0 | - | 4.99 | 155,196 |
| Countries by Capital City | 0 | - | 5.00 | 66,441 |
| Capital Cities Based on First Two Letters | 0 | - | 4.85 | 76,217 |
| Capitals of the Largest Countries by Area | 0 | - | 4.96 | 113,799 |
| World Capitals by Proximity | 0 | - | 4.91 | 327,911 |
| South American Capitals - Map Quiz | 0 | - | 4.98 | 129,291 |
| Divided Capital Name Puzzle #1 | 0 | - | 4.99 | 83,329 |
| Most Guessed European Capitals | 0 | - | 4.87 | 101,145 |
| Moved Capital Cities | 0 | - | 4.96 | 73,501 |
| Nordic Countries and Capitals | 0 | - | 4.95 | 82,945 |
| Random European Capital to Country | 0 | - | 4.98 | 189,041 |
| Random European Country to Capital | 0 | - | 4.92 | 147,322 |
| Random Asian Country to Capital | 0 | - | 4.92 | 95,260 |
| Random Asian Capital to Country | 0 | - | 4.97 | 101,321 |
| 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 | 51,601 |
| Countries by Borders in 90 Seconds | 0 | - | 4.99 | 3,797,112 |
| Most-Visited Countries by Americans | 0 | - | 4.87 | 108,261 |
| Countries that Visit the United States the Most | 0 | - | 4.96 | 90,699 |
| Countries Closest to Canada | 0 | - | 4.90 | 197,220 |
| The 13 Colonies Quiz | 0 | - | 4.97 | 116,564 |
| U.S. States with the Letter Y | 0 | - | 4.85 | 110,192 |
| 10 Southernmost U.S. States | 0 | - | 4.88 | 112,253 |
| U.S. States with Short Names | 0 | - | 4.91 | 147,467 |
| U.S. States that Start with M | 0 | - | 4.93 | 185,729 |
| U.S. States By Population | 0 | - | 4.92 | 152,242 |
| U.S. States that Start with N | 0 | - | 4.95 | 170,230 |
| U.S. States with Longest Names | 0 | - | 4.84 | 43,763 |
| 10 Northernmost U.S. States | 0 | - | 4.90 | 81,829 |
| U.S. States with a Unique First Letter | 0 | - | 4.96 | 87,435 |
| 10 Westernmost U.S. States | 0 | - | 4.95 | 63,697 |
| The Only Remaining U.S. State . . . | 0 | - | 4.92 | 64,777 |
| Top 10 Largest U.S. States by Area | 0 | - | 4.95 | 158,759 |
| Top 10 Smallest U.S. States by Area | 0 | - | 4.98 | 177,021 |
| 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 | 69,013 |
| Top 10 Newest U.S. States | 0 | - | 4.85 | 85,601 |
| Countries by First Two Letters in 90 Seconds | 0 | - | 4.98 | 5,583,126 |
| Westernmost Cities in the U.S. | 0 | - | 4.36 | 16,394 |
| U.S. State Capitals Quiz | 0 | - | 5.00 | 1,675,945 |
| U.S. Cities with the Biggest Economies | 0 | - | 4.83 | 71,929 |
| World Capitals Closest to Bangkok | 0 | - | 4.91 | 40,768 |
| Random African Capitals on a Map | 0 | - | 4.96 | 54,203 |
| Random Asian Capitals on a Map | 0 | - | 4.83 | 50,572 |
| Random European Capitals on a Map | 0 | - | 4.97 | 133,736 |
| US State Capitals by Proximity in 30 Seconds | 0 | - | 4.17 | 128,732 |
| 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 | 26,115 |
| Which City in Europe? | 0 | - | 4.83 | 106,537 |
| Countries that Beat the United States | 0 | - | 4.93 | 165,364 |
| Top 10 Most-Visited U.S. States | 0 | - | 4.90 | 100,951 |
| U.S. States with the Most Immigrants | 0 | - | 4.84 | 81,853 |
| Capitals of the Most Populated Countries | 0 | - | 4.96 | 127,023 |
| Fastest Growing U.S. States Since 1960 | 0 | - | 4.48 | 75,744 |
| 100 Biggest Cities on a World Map | 0 | - | 4.99 | 413,182 |
| North American Sports Cities | 0 | - | 4.83 | 170,739 |
| American TV Show Settings | 0 | - | 4.35 | 30,576 |
| 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 | 101,630 |
| Cities by Former Name | 0 | - | 4.84 | 90,857 |
| Capitals in their Native Languages | 0 | - | 4.95 | 132,629 |
| Nearest Capital City #1 | 0 | - | 4.84 | 57,182 |
| Capitals Furthest from the Border | 0 | - | 4.96 | 67,758 |
| Random Capital to Country | 0 | - | 4.99 | 2,576,025 |
| World Capitals on an Empty Map | 0 | - | 4.69 | 53,372 |
| Random Country to Capital | 0 | - | 4.98 | 910,383 |
| Capitals Starting With H | 0 | - | 4.90 | 88,002 |
| Capitals Starting With K | 0 | - | 4.85 | 75,434 |
| Capitals Starting With M | 0 | - | 4.93 | 105,709 |
| Capitals Starting With P | 0 | - | 4.88 | 76,959 |
| Capitals Starting With R | 0 | - | 4.87 | 80,764 |
| Capitals Starting With S | 0 | - | 4.89 | 84,559 |
| Capitals Starting With T | 0 | - | 4.84 | 75,102 |
| Capitals Starting With W | 0 | - | 4.89 | 90,425 |
| Capitals Starting With A | 0 | - | 4.97 | 126,215 |
| Capitals Starting With B | 0 | - | 4.89 | 116,987 |
| Capitals Starting With D | 0 | - | 4.93 | 95,078 |
| U.S. State Capitals Map Quiz | 0 | - | 4.93 | 142,206 |
| Countries of the World in 1900 | 0 | - | 4.89 | 83,289 |
| Countries of the World in 1914 with a Map | 0 | - | 4.99 | 192,852 |
| Countries of the World in 1945 with a Map | 0 | - | 5.00 | 148,553 |
| Tectonic Plates on a Map | 0 | - | 4.97 | 35,238 |
| Layers of the Earth and Atmosphere | 0 | - | 4.97 | 50,145 |
| African East Coast | 0 | - | 4.96 | 94,902 |
| Canadian Geography on the Map | 0 | - | 4.55 | 26,174 |
| Countries of Europe by Population | 0 | - | 4.98 | 177,656 |
| Megacities on a World Map | 0 | - | 4.98 | 250,110 |
| All 3M Cities on the World Map | 0 | - | 4.95 | 73,731 |
| Every 1,000,000+ City on a Map | 0 | - | 4.99 | 112,448 |
| U.S. Cities with the Most Skyscrapers | 0 | - | 4.89 | 95,255 |
| Most Guessed Cities by Country #3 | 0 | - | 4.89 | 45,074 |
| Summer Olympics Host Cities | 0 | - | 4.98 | 212,840 |
| Cities with the Biggest Economies | 0 | - | 4.91 | 129,480 |
| U.S. City Name Etymologies | 0 | - | 4.15 | 21,463 |
| Five Most Guessed Cities by Continent | 0 | - | 4.96 | 112,262 |
| Former Capitals | 0 | - | 4.88 | 71,072 |
| Capital Cities Chain | 0 | - | 4.84 | 81,793 |
| Coldest World Capitals | 0 | - | 4.95 | 132,977 |
| Capital Cities with Spanish Names | 0 | - | 4.90 | 76,679 |
| Name a Valid Capital #1 | 0 | - | 4.96 | 89,853 |
| Random State Capital to U.S. State | 0 | - | 4.84 | 88,087 |
| Which City In the United Kingdom? | 0 | - | 4.97 | 93,258 |
| Which City in Canada? | 0 | - | 4.82 | 56,601 |
| Pixelated World Map | 0 | - | 5.00 | 141,733 |
| Countries of Europe in 1444 | 0 | - | 4.92 | 98,588 |
