| Every U.S. Metro Area on a Map | 0 | - | 4.97 | 80,630 |
| North America Capitals Quiz | 0 | - | 4.99 | 216,625 |
| Most-Visited U.S. Cities | 0 | - | 4.85 | 92,161 |
| Capitals of Canadian Provinces | 0 | - | 4.85 | 88,325 |
| 15 Largest Cities in Africa With a Map | 0 | - | 4.95 | 109,275 |
| South America Capitals Quiz | 0 | - | 5.00 | 476,948 |
| Most Guessed U.S. Cities | 0 | - | 4.88 | 104,764 |
| US State Capitals Quiz - No Hints | 0 | - | 4.98 | 94,455 |
| 10 Westernmost U.S. State Capitals | 0 | - | 4.90 | 47,839 |
| All First-Level Subdivisions of North America on a Map | 0 | - | 4.97 | 62,839 |
| Biggest Cities in a Strip of the United States Map | 0 | - | 4.73 | 40,557 |
| Name a City - European Countries | 0 | - | 4.92 | 64,297 |
| Africa Capitals Quiz | 0 | - | 4.99 | 729,623 |
| Asia Capitals Quiz | 0 | - | 4.98 | 685,081 |
| World Capitals by Map | 0 | - | 5.00 | 282,946 |
| Capital Cities in a Ring of the World Map | 0 | - | 4.95 | 57,613 |
| United States Map Quiz | 0 | - | 4.98 | 4,140,234 |
| Southernmost Major Cities in the U.S. | 0 | - | 4.43 | 36,452 |
| Pixelated United States Map | 0 | - | 4.89 | 93,394 |
| Countries of North America Quiz | 0 | - | 5.00 | 1,010,786 |
| Canada Provinces Map Quiz | 0 | - | 4.99 | 635,546 |
| Canada Provinces and Territories | 0 | - | 5.00 | 337,484 |
| Top 10 Least Populous U.S. States | 0 | - | 4.94 | 190,296 |
| Top 10 Most Populous U.S. States | 0 | - | 4.97 | 172,131 |
| U.S Cities by African-American Population | 0 | - | 4.42 | 94,680 |
| South American Cities on the Map | 0 | - | 4.57 | 35,237 |
| 1M Cities by Proximity - United States | 0 | - | 4.55 | 149,630 |
| Most-Visited Cities in Europe | 0 | - | 4.82 | 73,690 |
| World Capitals Quiz | 0 | - | 5.00 | 5,027,458 |
| Europe Capital to Country | 0 | - | 4.99 | 247,361 |
| Asia Capital to Country | 0 | - | 4.96 | 125,661 |
| EU Capitals with No Hints | 0 | - | 4.96 | 144,338 |
| European Capitals by Map | 0 | - | 4.99 | 136,032 |
| African Capitals by Map | 0 | - | 4.99 | 132,089 |
| Asian Capitals by Map | 0 | - | 4.98 | 61,003 |
| 10 Westernmost Capital Cities in Europe | 0 | - | 4.88 | 91,094 |
| 10 Northernmost Capital Cities in Europe | 0 | - | 4.96 | 83,546 |
| European Coastal Capitals | 0 | - | 4.95 | 89,677 |
| 10 Easternmost Capital Cities in Asia | 0 | - | 4.89 | 52,157 |
| Capitals of Oceania Quiz | 0 | - | 4.99 | 266,489 |
| Europe by Capitals and Borders in 30 Seconds | 0 | - | 4.88 | 221,617 |
| Capitals of Mediterranean Countries | 0 | - | 4.95 | 81,389 |
| Official Cities in the UK | 0 | - | 4.89 | 280,272 |
| Northernmost Major Cities in the U.S. | 0 | - | 4.38 | 48,527 |
| European Cities by Map #2 | 0 | - | 4.48 | 47,182 |
| European Cities by Map #1 | 0 | - | 4.64 | 55,548 |
| Asian Cities by Map #1 | 0 | - | 4.50 | 40,794 |
| U.S. Cities with the Most Homeless People | 0 | - | 4.31 | 33,451 |
| Mediterranean Cities by Map | 0 | - | 4.51 | 51,004 |
| U.S. Cities with the Highest Murder Rate | 0 | - | 4.55 | 137,619 |
| Cities in Squares on a Map - Europe | 0 | - | 4.73 | 53,138 |
| African Capitals - Map Quiz | 0 | - | 4.93 | 61,574 |
| Top 10 Most Remote European Capitals | 0 | - | 4.86 | 93,354 |
| European Capitals - Map Quiz | 0 | - | 4.97 | 118,042 |
| Middle East Capital Cities Quiz | 0 | - | 4.96 | 87,096 |
| European Capitals Furthest from the Sea | 0 | - | 4.92 | 81,658 |
| Asian Capitals - Map Quiz | 0 | - | 4.95 | 60,391 |
| European Capitals Ending in N | 0 | - | 4.92 | 80,723 |
| Central America and Caribbean Map Quiz | 0 | - | 4.89 | 899,565 |
| North American Capitals - Map Quiz | 0 | - | 4.87 | 56,891 |
| U.S. Cities with the Most International Tourists | 0 | - | 4.88 | 74,799 |
| U.S. State Border Crossings | 0 | - | 4.97 | 95,889 |
| U.S. States with the Lowest Population Density | 0 | - | 4.92 | 93,578 |
| Europe Capitals Quiz | 0 | - | 5.00 | 1,569,652 |
| States of the U.S. in Alphabetical Order | 0 | - | 4.98 | 365,137 |
| British Cities with the Most Tourists | 0 | - | 4.82 | 69,119 |
| Cities in U.S. History #1 | 0 | - | 4.25 | 38,267 |
| 100 Biggest Cities and Towns in the UK | 0 | - | 4.97 | 144,742 |
| World Capitals by First Two Letters in 90 Seconds | 0 | - | 4.35 | 245,767 |
| Name a Valid European Capital | 0 | - | 4.95 | 150,730 |
| Capital Cities in Squares of an Empty World Map | 0 | - | 4.99 | 88,593 |
| European Capital Superlatives - Top 2 | 0 | - | 4.94 | 80,624 |
| Speed Capital to U.S. State | 0 | - | 4.46 | 113,477 |
| 10 Southernmost U.S. State Capitals | 0 | - | 4.51 | 38,887 |
| 10 Northernmost U.S. State Capitals | 0 | - | 4.57 | 35,636 |
| 10 Easternmost U.S. State Capitals | 0 | - | 4.50 | 34,495 |
| U.S. Suburbs Quiz | 0 | - | 4.47 | 18,336 |
| Central American Countries | 0 | - | 4.98 | 154,944 |
| Total United States Immigration by Country | 0 | - | 4.91 | 110,571 |
| "Do Not Travel" Countries for U.S. Citizens | 0 | - | 4.97 | 240,133 |
| Caribbean / Lesser Antilles Map Quiz | 0 | - | 4.99 | 145,672 |
| Mexico States Map Quiz | 0 | - | 4.84 | 103,705 |
| Name the U.S. National Parks | 0 | - | 4.86 | 58,441 |
| States of Mexico | 0 | - | 4.95 | 173,160 |
| All First-Level Subdivisions of South America on a Map | 0 | - | 4.92 | 52,829 |
| Countries of South America with an Empty Map | 0 | - | 4.94 | 104,077 |
| Global Cities on a World Map | 0 | - | 4.93 | 134,643 |
| Southeast Asian Cities by Map | 0 | - | 4.63 | 26,575 |
| Northernmost Capital Cities | 0 | - | 4.98 | 108,849 |
| Most Remote Capital Cities | 0 | - | 4.92 | 52,590 |
| Capital Cities: Ports and Saints | 0 | - | 4.96 | 44,545 |
| Capitals with the Shortest Names | 0 | - | 4.97 | 107,506 |
| Same Letter Country and Capital | 0 | - | 4.99 | 155,276 |
| Countries by Capital City | 0 | - | 5.00 | 66,513 |
| Capital Cities Based on First Two Letters | 0 | - | 4.85 | 76,248 |
| Capitals of the Largest Countries by Area | 0 | - | 4.96 | 113,836 |
| World Capitals by Proximity | 0 | - | 4.91 | 328,091 |
| Divided Capital Name Puzzle #1 | 0 | - | 4.99 | 83,360 |
| Moved Capital Cities | 0 | - | 4.96 | 73,537 |
| Countries by Borders in 90 Seconds | 0 | - | 4.99 | 3,798,579 |
| Countries by First Two Letters in 90 Seconds | 0 | - | 4.98 | 5,584,849 |
| Westernmost Cities in the U.S. | 0 | - | 4.36 | 16,396 |
| U.S. State Capitals Quiz | 0 | - | 5.00 | 1,676,562 |
| South American Capitals - Map Quiz | 0 | - | 4.98 | 129,347 |
| Most Guessed European Capitals | 0 | - | 4.87 | 101,161 |
| Nordic Countries and Capitals | 0 | - | 4.95 | 82,967 |
| Random European Capital to Country | 0 | - | 4.98 | 189,095 |
| Random European Country to Capital | 0 | - | 4.92 | 147,365 |
| Random Asian Country to Capital | 0 | - | 4.92 | 95,300 |
| Random Asian Capital to Country | 0 | - | 4.97 | 101,342 |
| Random African Capital to Country | 0 | - | 4.97 | 99,684 |
| Random African Country to Capital | 0 | - | 4.94 | 70,164 |
| Melbourne Suburbs | 0 | - | 4.84 | 51,681 |
| Most-Visited Countries by Americans | 0 | - | 4.87 | 108,344 |
| Countries that Visit the United States the Most | 0 | - | 4.96 | 90,764 |
| Countries Closest to Canada | 0 | - | 4.90 | 197,277 |
| The 13 Colonies Quiz | 0 | - | 4.97 | 116,623 |
| U.S. States with the Letter Y | 0 | - | 4.85 | 110,272 |
| 10 Southernmost U.S. States | 0 | - | 4.88 | 112,321 |
| U.S. States with Short Names | 0 | - | 4.91 | 147,543 |
| U.S. States that Start with M | 0 | - | 4.93 | 185,812 |
| U.S. States By Population | 0 | - | 4.92 | 152,289 |
| U.S. States that Start with N | 0 | - | 4.95 | 170,300 |
| U.S. States with Longest Names | 0 | - | 4.84 | 43,798 |
| 10 Northernmost U.S. States | 0 | - | 4.90 | 81,855 |
| U.S. States with a Unique First Letter | 0 | - | 4.96 | 87,475 |
| 10 Westernmost U.S. States | 0 | - | 4.95 | 63,727 |
| The Only Remaining U.S. State . . . | 0 | - | 4.92 | 64,813 |
| Top 10 Largest U.S. States by Area | 0 | - | 4.95 | 158,805 |
| Top 10 Smallest U.S. States by Area | 0 | - | 4.98 | 177,045 |
| Top 10 Poorest U.S. States by Median Income | 0 | - | 4.86 | 124,421 |
| U.S. States with the Highest Percentage of Hispanics | 0 | - | 4.85 | 69,041 |
| Top 10 Newest U.S. States | 0 | - | 4.85 | 85,628 |
| Top 10 U.S. States Where the Rent is Too Dang High | 0 | - | 4.84 | 66,773 |
| Capitals of the Most Populated Countries | 0 | - | 4.96 | 127,050 |
| 100 Biggest Cities on a World Map | 0 | - | 4.99 | 413,371 |
| North American Sports Cities | 0 | - | 4.83 | 170,798 |
| Summer Olympic City Bids | 0 | - | 4.93 | 41,893 |
| U.S. Cities with the Biggest Economies | 0 | - | 4.83 | 71,975 |
| Cities with the Most Metro Rail Stations | 0 | - | 4.89 | 101,659 |
| Cities by Former Name | 0 | - | 4.84 | 90,896 |
| Capitals in their Native Languages | 0 | - | 4.95 | 132,655 |
| Nearest Capital City #1 | 0 | - | 4.84 | 57,204 |
| World Capitals Closest to Bangkok | 0 | - | 4.91 | 40,781 |
| Capitals Furthest from the Border | 0 | - | 4.96 | 67,825 |
| Random Capital to Country | 0 | - | 4.99 | 2,576,860 |
| Random African Capitals on a Map | 0 | - | 4.96 | 54,220 |
| Random Asian Capitals on a Map | 0 | - | 4.83 | 50,587 |
| Random European Capitals on a Map | 0 | - | 4.97 | 133,761 |
| Random Country to Capital | 0 | - | 4.98 | 910,828 |
| Capitals Starting With H | 0 | - | 4.90 | 90,056 |
| Capitals Starting With K | 0 | - | 4.85 | 75,596 |
| Capitals Starting With L | 0 | - | 4.81 | 86,725 |
| Capitals Starting With M | 0 | - | 4.93 | 105,918 |
| Capitals Starting With P | 0 | - | 4.88 | 77,097 |
| Capitals Starting With R | 0 | - | 4.87 | 80,889 |
| Capitals Starting With S | 0 | - | 4.89 | 84,713 |
| Capitals Starting With T | 0 | - | 4.84 | 75,216 |
| Capitals Starting With W | 0 | - | 4.89 | 90,533 |
| Capitals Starting With A | 0 | - | 4.97 | 126,413 |
| Capitals Starting With B | 0 | - | 4.89 | 117,177 |
| Capitals Starting With D | 0 | - | 4.93 | 95,266 |
| US State Capitals by Proximity in 30 Seconds | 0 | - | 4.17 | 128,759 |
| US State Capitals by First Two Letters in 45 seconds | 0 | - | 4.09 | 58,023 |
| U.S State Capitals on the Sea | 0 | - | 4.53 | 26,118 |
| Which City in Europe? | 0 | - | 4.83 | 106,569 |
| Countries of the World in 1900 | 0 | - | 4.89 | 83,367 |
| Countries of the World in 1914 with a Map | 0 | - | 4.99 | 192,971 |
| Countries of the World in 1945 with a Map | 0 | - | 5.00 | 148,660 |
| Countries that Beat the United States | 0 | - | 4.93 | 165,431 |
| Top 10 Most-Visited U.S. States | 0 | - | 4.90 | 101,009 |
| Tectonic Plates on a Map | 0 | - | 4.97 | 35,251 |
| Layers of the Earth and Atmosphere | 0 | - | 4.97 | 50,156 |
| U.S. States with the Most Immigrants | 0 | - | 4.85 | 81,887 |
| African East Coast | 0 | - | 4.96 | 94,964 |
| Canadian Geography on the Map | 0 | - | 4.55 | 26,183 |
| Fastest Growing U.S. States Since 1960 | 0 | - | 4.48 | 75,766 |
| American TV Show Settings | 0 | - | 4.35 | 30,584 |
| Cities in European History #1 | 0 | - | 4.63 | 133,007 |
| World Capitals on an Empty Map | 0 | - | 4.69 | 53,411 |
| U.S. State Capitals Map Quiz | 0 | - | 4.93 | 142,252 |
| Countries of Europe by Population | 0 | - | 4.98 | 177,812 |
| Megacities on a World Map | 0 | - | 4.98 | 250,646 |
| All 3M Cities on the World Map | 0 | - | 4.95 | 73,789 |
| Every 1,000,000+ City on a Map | 0 | - | 4.99 | 112,559 |
| Biggest City by Body of Water | 0 | - | 4.51 | 40,137 |
| Southernmost Major Cities | 0 | - | 4.44 | 51,071 |
| U.S. City Prefixes and Suffixes | 0 | - | 4.47 | 72,549 |
| Cities with the Most Foreign Embassies | 0 | - | 4.68 | 47,012 |
| U.S. Cities with the Most Skyscrapers | 0 | - | 4.89 | 95,280 |
| Most Guessed Cities by Country #3 | 0 | - | 4.89 | 45,119 |
| Summer Olympics Host Cities | 0 | - | 4.98 | 212,947 |
| Random European City to Country | 0 | - | 4.69 | 116,249 |
| Random Asian City to Country | 0 | - | 4.56 | 44,380 |
| Cities with the Biggest Economies | 0 | - | 4.91 | 129,557 |
| U.S. City Name Etymologies | 0 | - | 4.15 | 21,466 |
| Five Most Guessed Cities by Continent | 0 | - | 4.96 | 112,285 |
| U.S. Cities With Spanish Names | 0 | - | 4.94 | 22,019 |
| Former Capitals | 0 | - | 4.88 | 71,103 |
| Capital Cities Chain | 0 | - | 4.84 | 81,843 |
