| Every U.S. Metro Area on a Map | 0 | - | 4.97 | 81,018 |
| North America Capitals Quiz | 0 | - | 4.99 | 217,597 |
| Most-Visited U.S. Cities | 0 | - | 4.85 | 92,690 |
| Capitals of Canadian Provinces | 0 | - | 4.85 | 88,567 |
| 15 Largest Cities in Africa With a Map | 0 | - | 4.95 | 109,726 |
| South America Capitals Quiz | 0 | - | 5.00 | 478,263 |
| Most Guessed U.S. Cities | 0 | - | 4.89 | 105,227 |
| US State Capitals Quiz - No Hints | 0 | - | 4.98 | 94,689 |
| 10 Westernmost U.S. State Capitals | 0 | - | 4.90 | 47,939 |
| All First-Level Subdivisions of North America on a Map | 0 | - | 4.97 | 63,240 |
| Biggest Cities in a Strip of the United States Map | 0 | - | 4.73 | 40,669 |
| Cities on Route 66 on a Map | 0 | - | 4.53 | 32,877 |
| Name a City - European Countries | 0 | - | 4.92 | 64,669 |
| Africa Capitals Quiz | 0 | - | 4.99 | 732,095 |
| Asia Capitals Quiz | 0 | - | 4.98 | 687,639 |
| World Capitals by Map | 0 | - | 5.00 | 284,149 |
| Capital Cities in a Ring of the World Map | 0 | - | 4.95 | 57,827 |
| United States Map Quiz | 0 | - | 4.98 | 4,145,243 |
| Southernmost Major Cities in the U.S. | 0 | - | 4.43 | 36,492 |
| Pixelated United States Map | 0 | - | 4.89 | 93,661 |
| Countries of North America Quiz | 0 | - | 5.00 | 1,014,704 |
| Canada Provinces Map Quiz | 0 | - | 4.99 | 636,932 |
| Canada Provinces and Territories | 0 | - | 5.00 | 338,911 |
| Top 10 Least Populous U.S. States | 0 | - | 4.94 | 190,675 |
| Top 10 Most Populous U.S. States | 0 | - | 4.97 | 173,158 |
| U.S Cities by African-American Population | 0 | - | 4.42 | 95,070 |
| South American Cities on the Map | 0 | - | 4.56 | 35,275 |
| 1M Cities by Proximity - United States | 0 | - | 4.56 | 149,941 |
| Most-Visited Cities in Europe | 0 | - | 4.82 | 74,181 |
| World Capitals Quiz | 0 | - | 5.00 | 5,041,644 |
| Europe Capital to Country | 0 | - | 4.99 | 248,413 |
| Asia Capital to Country | 0 | - | 4.96 | 125,969 |
| EU Capitals with No Hints | 0 | - | 4.96 | 144,822 |
| European Capitals by Map | 0 | - | 4.99 | 137,084 |
| African Capitals by Map | 0 | - | 4.99 | 132,492 |
| Asian Capitals by Map | 0 | - | 4.98 | 61,509 |
| 10 Westernmost Capital Cities in Europe | 0 | - | 4.88 | 91,443 |
| 10 Northernmost Capital Cities in Europe | 0 | - | 4.96 | 83,820 |
| European Coastal Capitals | 0 | - | 4.95 | 89,959 |
| 10 Easternmost Capital Cities in Asia | 0 | - | 4.89 | 52,278 |
| Capitals of Oceania Quiz | 0 | - | 4.99 | 267,623 |
| Europe by Capitals and Borders in 30 Seconds | 0 | - | 4.88 | 222,351 |
| Capitals of Mediterranean Countries | 0 | - | 4.95 | 81,498 |
| Official Cities in the UK | 0 | - | 4.89 | 281,295 |
| Northernmost Major Cities in the U.S. | 0 | - | 4.38 | 48,598 |
| European Cities by Map #2 | 0 | - | 4.47 | 47,234 |
| European Cities by Map #1 | 0 | - | 4.64 | 55,605 |
| Asian Cities by Map #1 | 0 | - | 4.50 | 40,823 |
| U.S. Cities with the Most Homeless People | 0 | - | 4.31 | 33,481 |
| Mediterranean Cities by Map | 0 | - | 4.51 | 51,040 |
| U.S. Cities with the Highest Murder Rate | 0 | - | 4.55 | 137,977 |
| Cities in Squares on a Map - Europe | 0 | - | 4.73 | 53,328 |
| African Capitals - Map Quiz | 0 | - | 4.93 | 61,815 |
| Top 10 Most Remote European Capitals | 0 | - | 4.86 | 93,579 |
| European Capitals - Map Quiz | 0 | - | 4.97 | 118,370 |
| Middle East Capital Cities Quiz | 0 | - | 4.96 | 87,347 |
| European Capitals Furthest from the Sea | 0 | - | 4.92 | 81,826 |
| Asian Capitals - Map Quiz | 0 | - | 4.95 | 60,692 |
| European Capitals Ending in N | 0 | - | 4.92 | 80,894 |
| Central America and Caribbean Map Quiz | 0 | - | 4.89 | 900,324 |
| North American Capitals - Map Quiz | 0 | - | 4.87 | 57,199 |
| U.S. Cities with the Most International Tourists | 0 | - | 4.88 | 75,018 |
| U.S. State Border Crossings | 0 | - | 4.97 | 96,080 |
| U.S. States with the Lowest Population Density | 0 | - | 4.92 | 93,675 |
| Europe Capitals Quiz | 0 | - | 5.00 | 1,574,453 |
| States of the U.S. in Alphabetical Order | 0 | - | 4.98 | 365,686 |
| British Cities with the Most Tourists | 0 | - | 4.82 | 69,441 |
| Cities in U.S. History #1 | 0 | - | 4.31 | 45,168 |
| 100 Biggest Cities and Towns in the UK | 0 | - | 4.97 | 145,575 |
| World Capitals by First Two Letters in 90 Seconds | 0 | - | 4.35 | 246,058 |
| Name a Valid European Capital | 0 | - | 4.95 | 151,290 |
| Capital Cities in Squares of an Empty World Map | 0 | - | 4.99 | 88,813 |
| European Capital Superlatives - Top 2 | 0 | - | 4.94 | 80,801 |
| Speed Capital to U.S. State | 0 | - | 4.46 | 113,619 |
| 10 Southernmost U.S. State Capitals | 0 | - | 4.51 | 38,939 |
| 10 Northernmost U.S. State Capitals | 0 | - | 4.57 | 35,678 |
| 10 Easternmost U.S. State Capitals | 0 | - | 4.50 | 34,560 |
| U.S. Suburbs Quiz | 0 | - | 4.47 | 18,352 |
| Central American Countries | 0 | - | 4.98 | 155,307 |
| Total United States Immigration by Country | 0 | - | 4.91 | 110,828 |
| "Do Not Travel" Countries for U.S. Citizens | 0 | - | 4.97 | 241,590 |
| Caribbean / Lesser Antilles Map Quiz | 0 | - | 4.99 | 146,375 |
| Mexico States Map Quiz | 0 | - | 4.84 | 104,014 |
| Name the U.S. National Parks | 0 | - | 4.86 | 59,386 |
| States of Mexico | 0 | - | 4.95 | 173,991 |
| All First-Level Subdivisions of South America on a Map | 0 | - | 4.91 | 53,200 |
| Countries of South America with an Empty Map | 0 | - | 4.94 | 104,350 |
| Global Cities on a World Map | 0 | - | 4.93 | 135,132 |
| Southeast Asian Cities by Map | 0 | - | 4.63 | 26,617 |
| Northernmost Capital Cities | 0 | - | 4.98 | 109,313 |
| Most Remote Capital Cities | 0 | - | 4.92 | 52,911 |
| Capital Cities: Ports and Saints | 0 | - | 4.96 | 44,867 |
| Capitals with the Shortest Names | 0 | - | 4.97 | 108,029 |
| Same Letter Country and Capital | 0 | - | 4.99 | 155,873 |
| Countries by Capital City | 0 | - | 5.00 | 67,116 |
| Capital Cities Based on First Two Letters | 0 | - | 4.85 | 76,550 |
| Capitals of the Largest Countries by Area | 0 | - | 4.96 | 114,076 |
| World Capitals by Proximity | 0 | - | 4.91 | 329,079 |
| Divided Capital Name Puzzle #1 | 0 | - | 4.99 | 83,553 |
| Moved Capital Cities | 0 | - | 4.96 | 73,753 |
| Countries by Borders in 90 Seconds | 0 | - | 4.99 | 3,807,201 |
| Countries by First Two Letters in 90 Seconds | 0 | - | 4.98 | 5,595,806 |
| Westernmost Cities in the U.S. | 0 | - | 4.36 | 16,416 |
| U.S. State Capitals Quiz | 0 | - | 5.00 | 1,680,295 |
| South American Capitals - Map Quiz | 0 | - | 4.98 | 129,693 |
| Most Guessed European Capitals | 0 | - | 4.87 | 101,288 |
| Nordic Countries and Capitals | 0 | - | 4.95 | 83,201 |
| Random European Capital to Country | 0 | - | 4.98 | 189,527 |
| Random European Country to Capital | 0 | - | 4.92 | 147,682 |
| Random Asian Country to Capital | 0 | - | 4.92 | 95,524 |
| Random Asian Capital to Country | 0 | - | 4.97 | 101,619 |
| Random African Capital to Country | 0 | - | 4.97 | 99,863 |
| Random African Country to Capital | 0 | - | 4.94 | 70,355 |
| Melbourne Suburbs | 0 | - | 4.84 | 52,049 |
| Most-Visited Countries by Americans | 0 | - | 4.87 | 108,734 |
| Countries that Visit the United States the Most | 0 | - | 4.96 | 91,049 |
| Countries Closest to Canada | 0 | - | 4.90 | 197,546 |
| The 13 Colonies Quiz | 0 | - | 4.97 | 117,006 |
| U.S. States with the Letter Y | 0 | - | 4.85 | 110,624 |
| 10 Southernmost U.S. States | 0 | - | 4.88 | 112,661 |
| U.S. States with Short Names | 0 | - | 4.91 | 148,000 |
| U.S. States that Start with M | 0 | - | 4.93 | 186,236 |
| U.S. States By Population | 0 | - | 4.92 | 152,574 |
| U.S. States that Start with N | 0 | - | 4.95 | 170,667 |
| U.S. States with Longest Names | 0 | - | 4.84 | 44,012 |
| 10 Northernmost U.S. States | 0 | - | 4.90 | 82,018 |
| U.S. States with a Unique First Letter | 0 | - | 4.96 | 87,749 |
| 10 Westernmost U.S. States | 0 | - | 4.95 | 63,861 |
| The Only Remaining U.S. State . . . | 0 | - | 4.92 | 65,060 |
| Top 10 Largest U.S. States by Area | 0 | - | 4.95 | 159,248 |
| Top 10 Smallest U.S. States by Area | 0 | - | 4.98 | 177,195 |
| Top 10 Poorest U.S. States by Median Income | 0 | - | 4.86 | 124,633 |
| U.S. States with the Highest Percentage of Hispanics | 0 | - | 4.85 | 69,152 |
| Top 10 Newest U.S. States | 0 | - | 4.85 | 85,774 |
| Top 10 U.S. States Where the Rent is Too Dang High | 0 | - | 4.84 | 66,969 |
| Capitals of the Most Populated Countries | 0 | - | 4.96 | 127,282 |
| 100 Biggest Cities on a World Map | 0 | - | 4.99 | 414,614 |
| North American Sports Cities | 0 | - | 4.83 | 171,142 |
| Summer Olympic City Bids | 0 | - | 4.93 | 41,983 |
| U.S. Cities with the Biggest Economies | 0 | - | 4.84 | 72,250 |
| Cities with the Most Metro Rail Stations | 0 | - | 4.89 | 101,908 |
| Cities by Former Name | 0 | - | 4.84 | 91,130 |
| Capitals in their Native Languages | 0 | - | 4.95 | 133,001 |
| Nearest Capital City #1 | 0 | - | 4.84 | 57,351 |
| World Capitals Closest to Bangkok | 0 | - | 4.91 | 40,856 |
| Capitals Furthest from the Border | 0 | - | 4.96 | 68,247 |
| Random Capital to Country | 0 | - | 4.99 | 2,581,186 |
| Random African Capitals on a Map | 0 | - | 4.96 | 54,378 |
| Random Asian Capitals on a Map | 0 | - | 4.83 | 50,730 |
| Random European Capitals on a Map | 0 | - | 4.97 | 134,063 |
| Random Country to Capital | 0 | - | 4.98 | 913,376 |
| Capitals Starting With H | 0 | - | 4.90 | 91,547 |
| Capitals Starting With K | 0 | - | 4.85 | 75,836 |
| Capitals Starting With L | 0 | - | 4.81 | 87,006 |
| Capitals Starting With M | 0 | - | 4.93 | 106,362 |
| Capitals Starting With P | 0 | - | 4.88 | 77,340 |
| Capitals Starting With R | 0 | - | 4.87 | 81,109 |
| Capitals Starting With S | 0 | - | 4.89 | 84,963 |
| Capitals Starting With T | 0 | - | 4.84 | 75,430 |
| Capitals Starting With W | 0 | - | 4.89 | 90,751 |
| Capitals Starting With A | 0 | - | 4.97 | 126,755 |
| Capitals Starting With B | 0 | - | 4.89 | 117,478 |
| Capitals Starting With D | 0 | - | 4.93 | 95,561 |
| US State Capitals by Proximity in 30 Seconds | 0 | - | 4.17 | 128,940 |
| US State Capitals by First Two Letters in 45 seconds | 0 | - | 4.09 | 58,064 |
| U.S State Capitals on the Sea | 0 | - | 4.53 | 26,138 |
| Which City in Europe? | 0 | - | 4.83 | 106,890 |
| Countries of the World in 1900 | 0 | - | 4.89 | 83,821 |
| Countries of the World in 1914 with a Map | 0 | - | 4.99 | 193,608 |
| Countries of the World in 1945 with a Map | 0 | - | 5.00 | 149,353 |
| Countries that Beat the United States | 0 | - | 4.93 | 165,872 |
| Top 10 Most-Visited U.S. States | 0 | - | 4.90 | 101,229 |
| Tectonic Plates on a Map | 0 | - | 4.97 | 35,363 |
| Layers of the Earth and Atmosphere | 0 | - | 4.96 | 50,245 |
| U.S. States with the Most Immigrants | 0 | - | 4.85 | 82,062 |
| African East Coast | 0 | - | 4.96 | 95,279 |
| Canadian Geography on the Map | 0 | - | 4.55 | 26,221 |
| Fastest Growing U.S. States Since 1960 | 0 | - | 4.48 | 75,869 |
| American TV Show Settings | 0 | - | 4.35 | 30,604 |
| Cities in European History #1 | 0 | - | 4.63 | 133,364 |
| World Capitals on an Empty Map | 0 | - | 4.69 | 53,633 |
| U.S. State Capitals Map Quiz | 0 | - | 4.93 | 142,874 |
| Countries of Europe by Population | 0 | - | 4.98 | 178,681 |
| Megacities on a World Map | 0 | - | 4.98 | 251,691 |
| All 3M Cities on the World Map | 0 | - | 4.95 | 74,128 |
| Every 1,000,000+ City on a Map | 0 | - | 4.99 | 113,193 |
| Biggest City by Body of Water | 0 | - | 4.51 | 40,179 |
| Southernmost Major Cities | 0 | - | 4.48 | 56,774 |
| U.S. City Prefixes and Suffixes | 0 | - | 4.47 | 72,659 |
| Cities with the Most Foreign Embassies | 0 | - | 4.68 | 47,051 |
| U.S. Cities with the Most Skyscrapers | 0 | - | 4.89 | 95,378 |
| Most Guessed Cities by Country #3 | 0 | - | 4.89 | 45,382 |
| Summer Olympics Host Cities | 0 | - | 4.98 | 213,522 |
| Random European City to Country | 0 | - | 4.69 | 116,810 |
| Random Asian City to Country | 0 | - | 4.56 | 44,416 |
| Cities with the Biggest Economies | 0 | - | 4.91 | 129,899 |
| U.S. City Name Etymologies | 0 | - | 4.15 | 21,485 |
| Five Most Guessed Cities by Continent | 0 | - | 4.96 | 112,447 |
| U.S. Cities With Spanish Names | 0 | - | 4.94 | 22,476 |
| Former Capitals | 0 | - | 4.88 | 71,220 |
