| Capitals of Canadian Provinces | 0 | - | 4.85 | 88,409 |
| South America Capitals Quiz | 0 | - | 5.00 | 477,330 |
| Africa Capitals Quiz | 0 | - | 4.99 | 730,387 |
| Asia Capitals Quiz | 0 | - | 4.98 | 686,002 |
| US State Capitals Quiz - No Hints | 0 | - | 4.98 | 94,550 |
| 10 Westernmost U.S. State Capitals | 0 | - | 4.90 | 47,893 |
| Most-Visited U.S. Cities | 0 | - | 4.85 | 92,397 |
| Every U.S. Metro Area on a Map | 0 | - | 4.97 | 80,768 |
| Europe Capital to Country | 0 | - | 4.99 | 247,946 |
| Asia Capital to Country | 0 | - | 4.96 | 125,772 |
| EU Capitals with No Hints | 0 | - | 4.96 | 144,481 |
| European Capitals by Map | 0 | - | 4.99 | 136,310 |
| African Capitals by Map | 0 | - | 4.99 | 132,192 |
| Asian Capitals by Map | 0 | - | 4.98 | 61,153 |
| 10 Westernmost Capital Cities in Europe | 0 | - | 4.88 | 91,210 |
| 10 Northernmost Capital Cities in Europe | 0 | - | 4.96 | 83,629 |
| European Coastal Capitals | 0 | - | 4.95 | 89,783 |
| 10 Easternmost Capital Cities in Asia | 0 | - | 4.89 | 52,192 |
| Capitals of Oceania Quiz | 0 | - | 4.99 | 266,852 |
| Europe by Capitals and Borders in 30 Seconds | 0 | - | 4.88 | 221,864 |
| Capitals of Mediterranean Countries | 0 | - | 4.95 | 81,430 |
| Most Guessed U.S. Cities | 0 | - | 4.88 | 104,974 |
| African Capitals - Map Quiz | 0 | - | 4.93 | 61,681 |
| Top 10 Most Remote European Capitals | 0 | - | 4.86 | 93,422 |
| European Capitals - Map Quiz | 0 | - | 4.97 | 118,141 |
| Middle East Capital Cities Quiz | 0 | - | 4.96 | 87,189 |
| European Capitals Furthest from the Sea | 0 | - | 4.92 | 81,717 |
| Asian Capitals - Map Quiz | 0 | - | 4.95 | 60,463 |
| European Capitals Ending in N | 0 | - | 4.92 | 80,782 |
| Name a Valid European Capital | 0 | - | 4.95 | 150,881 |
| European Capital Superlatives - Top 2 | 0 | - | 4.94 | 80,675 |
| Capitals of the Most Populated Countries | 0 | - | 4.96 | 127,124 |
| United States Map Quiz | 0 | - | 4.98 | 4,142,061 |
| Southernmost Major Cities in the U.S. | 0 | - | 4.43 | 36,461 |
| North America Cities by Map | 0 | - | 4.41 | 47,616 |
| South American Capitals - Map Quiz | 0 | - | 4.98 | 129,466 |
| Most Guessed European Capitals | 0 | - | 4.87 | 101,200 |
| Nordic Countries and Capitals | 0 | - | 4.95 | 83,086 |
| Random European Capital to Country | 0 | - | 4.98 | 189,236 |
| Random European Country to Capital | 0 | - | 4.92 | 147,474 |
| Random Asian Country to Capital | 0 | - | 4.92 | 95,416 |
| Random Asian Capital to Country | 0 | - | 4.97 | 101,429 |
| Random African Capital to Country | 0 | - | 4.97 | 99,743 |
| Random African Country to Capital | 0 | - | 4.94 | 70,239 |
| World Capitals by First Two Letters in 90 Seconds | 0 | - | 4.35 | 245,848 |
| Speed Capital to U.S. State | 0 | - | 4.46 | 113,521 |
| 10 Southernmost U.S. State Capitals | 0 | - | 4.51 | 38,914 |
| 10 Northernmost U.S. State Capitals | 0 | - | 4.57 | 35,659 |
| 10 Easternmost U.S. State Capitals | 0 | - | 4.50 | 34,528 |
| Countries of North America Quiz | 0 | - | 5.00 | 1,011,850 |
| Canada Provinces Map Quiz | 0 | - | 4.99 | 636,021 |
| Canada Provinces and Territories | 0 | - | 5.00 | 337,979 |
| Top 10 Least Populous U.S. States | 0 | - | 4.94 | 190,412 |
| Top 10 Most Populous U.S. States | 0 | - | 4.97 | 172,483 |
| U.S Cities by African-American Population | 0 | - | 4.42 | 94,726 |
| 15 Largest Cities in Africa With a Map | 0 | - | 4.95 | 109,373 |
| 1M Cities by Proximity - United States | 0 | - | 4.55 | 149,720 |
| Most-Visited Cities in Europe | 0 | - | 4.82 | 73,843 |
| Biggest Cities in a Strip of the United States Map | 0 | - | 4.74 | 40,601 |
| World Capitals Quiz | 0 | - | 5.00 | 5,032,063 |
| World Capitals Closest to Bangkok | 0 | - | 4.91 | 40,805 |
| Random African Capitals on a Map | 0 | - | 4.96 | 54,275 |
| Random Asian Capitals on a Map | 0 | - | 4.83 | 50,638 |
| Random European Capitals on a Map | 0 | - | 4.97 | 133,833 |
| Official Cities in the UK | 0 | - | 4.89 | 280,590 |
| Northernmost Major Cities in the U.S. | 0 | - | 4.38 | 48,550 |
| U.S. Cities with the Most Homeless People | 0 | - | 4.31 | 33,462 |
| U.S. Cities with the Highest Murder Rate | 0 | - | 4.55 | 137,687 |
| Countries by Capitals and Borders in 90 Seconds | 0 | - | 4.84 | 225,304 |
| U.S. State Capitals Map Quiz | 0 | - | 4.93 | 142,382 |
| Central America and Caribbean Map Quiz | 0 | - | 4.89 | 899,837 |
| North American Capitals - Map Quiz | 0 | - | 4.87 | 56,988 |
| U.S. Cities with the Most International Tourists | 0 | - | 4.88 | 74,881 |
| All First-Level Subdivisions of North America on a Map | 0 | - | 4.97 | 63,003 |
| U.S. State Border Crossings | 0 | - | 4.97 | 95,963 |
| U.S. States with the Lowest Population Density | 0 | - | 4.92 | 93,605 |
| Europe Capitals Quiz | 0 | - | 5.00 | 1,571,289 |
| US State Capitals by Proximity in 30 Seconds | 0 | - | 4.17 | 128,805 |
| US State Capitals by First Two Letters in 45 seconds | 0 | - | 4.09 | 58,037 |
| U.S State Capitals on the Sea | 0 | - | 4.53 | 26,124 |
| Random State Capital to U.S. State | 0 | - | 4.84 | 88,201 |
| States of the U.S. in Alphabetical Order | 0 | - | 4.98 | 365,293 |
| British Cities with the Most Tourists | 0 | - | 4.82 | 69,219 |
| Cities in U.S. History #1 | 0 | - | 4.31 | 44,328 |
| 100 Biggest Cities and Towns in the UK | 0 | - | 4.97 | 144,979 |
| U.S. Suburbs Quiz | 0 | - | 4.47 | 18,340 |
| Central American Countries | 0 | - | 4.98 | 155,072 |
| Total United States Immigration by Country | 0 | - | 4.91 | 110,669 |
| "Do Not Travel" Countries for U.S. Citizens | 0 | - | 4.97 | 240,972 |
| Caribbean / Lesser Antilles Map Quiz | 0 | - | 4.99 | 145,949 |
| Mexico States Map Quiz | 0 | - | 4.84 | 103,803 |
| Name the U.S. National Parks | 0 | - | 4.86 | 59,012 |
| States of Mexico | 0 | - | 4.95 | 173,367 |
| South American Cities on the Map | 0 | - | 4.57 | 35,247 |
| Global Cities on a World Map | 0 | - | 4.93 | 134,785 |
| Northernmost Capital Cities | 0 | - | 4.98 | 108,963 |
| Most Remote Capital Cities | 0 | - | 4.92 | 52,662 |
| Capital Cities: Ports and Saints | 0 | - | 4.96 | 44,613 |
| Capitals with the Shortest Names | 0 | - | 4.97 | 107,645 |
| Same Letter Country and Capital | 0 | - | 4.99 | 155,467 |
| Countries by Capital City | 0 | - | 5.00 | 66,673 |
| Capital Cities Based on First Two Letters | 0 | - | 4.85 | 76,343 |
| Capitals of the Largest Countries by Area | 0 | - | 4.96 | 113,913 |
| World Capitals by Proximity | 0 | - | 4.91 | 328,451 |
| Divided Capital Name Puzzle #1 | 0 | - | 4.99 | 83,419 |
| Asian Coastal Capitals | 0 | - | 4.52 | 22,033 |
| European Capitals with the Least Sunshine | 0 | - | 4.46 | 50,157 |
| Word Scramble - European Capitals | 0 | - | 4.72 | 93,775 |
| Moved Capital Cities | 0 | - | 4.96 | 73,595 |
| 10 Westernmost Capital Cities in Asia | 0 | - | 4.62 | 15,817 |
| Name a Valid Asian Capital | 0 | - | 4.53 | 61,248 |
| Westernmost Cities in the U.S. | 0 | - | 4.36 | 16,404 |
| U.S. State Capitals Quiz | 0 | - | 5.00 | 1,677,779 |
| Random U.S. State Capitals on a Map | 0 | - | 4.92 | 103,234 |
| Melbourne Suburbs | 0 | - | 4.84 | 51,803 |
| Most-Visited Countries by Americans | 0 | - | 4.87 | 108,492 |
| Countries that Visit the United States the Most | 0 | - | 4.96 | 90,870 |
| Countries Closest to Canada | 0 | - | 4.90 | 197,369 |
| Pixelated United States Map | 0 | - | 4.89 | 93,498 |
| The 13 Colonies Quiz | 0 | - | 4.97 | 116,747 |
| U.S. States with the Letter Y | 0 | - | 4.85 | 110,378 |
| 10 Southernmost U.S. States | 0 | - | 4.88 | 112,427 |
| U.S. States with Short Names | 0 | - | 4.91 | 147,684 |
| U.S. States that Start with M | 0 | - | 4.93 | 185,930 |
| U.S. States By Population | 0 | - | 4.92 | 152,383 |
| U.S. States that Start with N | 0 | - | 4.95 | 170,417 |
| U.S. States with Longest Names | 0 | - | 4.84 | 43,873 |
| 10 Northernmost U.S. States | 0 | - | 4.90 | 81,911 |
| U.S. States with a Unique First Letter | 0 | - | 4.96 | 87,564 |
| 10 Westernmost U.S. States | 0 | - | 4.95 | 63,767 |
| The Only Remaining U.S. State . . . | 0 | - | 4.92 | 64,894 |
| Top 10 Largest U.S. States by Area | 0 | - | 4.95 | 158,890 |
| Top 10 Smallest U.S. States by Area | 0 | - | 4.98 | 177,089 |
| Top 10 Poorest U.S. States by Median Income | 0 | - | 4.86 | 124,500 |
| U.S. States with the Highest Percentage of Hispanics | 0 | - | 4.85 | 69,073 |
| Top 10 Newest U.S. States | 0 | - | 4.85 | 85,665 |
| North American Sports Cities | 0 | - | 4.83 | 170,920 |
| Summer Olympic City Bids | 0 | - | 4.93 | 41,921 |
| U.S. Cities with the Biggest Economies | 0 | - | 4.83 | 72,099 |
| Cities with the Most Metro Rail Stations | 0 | - | 4.89 | 101,745 |
| Cities by Former Name | 0 | - | 4.84 | 90,984 |
| Capitals in their Native Languages | 0 | - | 4.95 | 132,694 |
| Nearest Capital City #1 | 0 | - | 4.84 | 57,249 |
| Most Guessed Asian Capitals | 0 | - | 4.51 | 65,784 |
| Capitals Furthest from the Border | 0 | - | 4.96 | 67,962 |
| World Capitals by Map | 0 | - | 5.00 | 283,249 |
| Capital Cities in a Ring of the World Map | 0 | - | 4.95 | 57,683 |
| Random Capital to Country | 0 | - | 4.99 | 2,578,131 |
| Random Country to Capital | 0 | - | 4.98 | 911,695 |
| Capitals Starting With H | 0 | - | 4.90 | 91,049 |
| Capitals Starting With K | 0 | - | 4.85 | 75,703 |
| Capitals Starting With L | 0 | - | 4.81 | 86,856 |
| Capitals Starting With M | 0 | - | 4.93 | 106,086 |
| Capitals Starting With P | 0 | - | 4.88 | 77,209 |
| Capitals Starting With R | 0 | - | 4.87 | 80,987 |
| Capitals Starting With S | 0 | - | 4.89 | 84,824 |
| Capitals Starting With T | 0 | - | 4.84 | 75,308 |
| Capitals Starting With W | 0 | - | 4.89 | 90,625 |
| Capitals Starting With A | 0 | - | 4.97 | 126,572 |
| Capitals Starting With B | 0 | - | 4.89 | 117,315 |
| Capitals Starting With D | 0 | - | 4.93 | 95,404 |
| Which City in Europe? | 0 | - | 4.83 | 106,661 |
| Countries that Beat the United States | 0 | - | 4.93 | 165,590 |
| Top 10 Most-Visited U.S. States | 0 | - | 4.90 | 101,110 |
| U.S. States with the Most Immigrants | 0 | - | 4.85 | 81,945 |
| Fastest Growing U.S. States Since 1960 | 0 | - | 4.48 | 75,795 |
| American TV Show Settings | 0 | - | 4.35 | 30,586 |
| Cities in European History #1 | 0 | - | 4.63 | 133,145 |
| European Cities by Map #2 | 0 | - | 4.48 | 47,199 |
| European Cities by Map #1 | 0 | - | 4.64 | 55,569 |
| Asian Cities by Map #1 | 0 | - | 4.50 | 40,807 |
| Mediterranean Cities by Map | 0 | - | 4.51 | 51,018 |
| Cities in Squares on a Map - Europe | 0 | - | 4.74 | 53,193 |
| World Capitals Closest to Madrid | 0 | - | 4.50 | 42,358 |
| Countries of Europe by Population | 0 | - | 4.98 | 178,120 |
| Most Populous World Capitals | 0 | - | 4.94 | 174,558 |
| Biggest City by Body of Water | 0 | - | 4.51 | 40,145 |
| Southernmost Major Cities | 0 | - | 4.44 | 51,110 |
| U.S. City Prefixes and Suffixes | 0 | - | 4.47 | 72,585 |
| Cities with the Most Foreign Embassies | 0 | - | 4.68 | 47,025 |
| U.S. Cities with the Most Skyscrapers | 0 | - | 4.89 | 95,319 |
| Most Guessed Cities by Country #3 | 0 | - | 4.89 | 45,208 |
| Summer Olympics Host Cities | 0 | - | 4.98 | 213,161 |
| Random European City to Country | 0 | - | 4.69 | 116,432 |
| Random Asian City to Country | 0 | - | 4.56 | 44,392 |
| Cities with the Biggest Economies | 0 | - | 4.91 | 129,703 |
| U.S. City Name Etymologies | 0 | - | 4.15 | 21,471 |
| Five Most Guessed Cities by Continent | 0 | - | 4.96 | 112,353 |
| U.S. Cities With Spanish Names | 0 | - | 4.94 | 22,219 |
| Former Capitals | 0 | - | 4.88 | 71,146 |
| India State Capitals Quiz | 0 | - | 4.27 | 59,370 |
| Capital Cities Chain | 0 | - | 4.84 | 81,928 |
| Coldest World Capitals | 0 | - | 4.95 | 133,052 |
| Capital Cities with Spanish Names | 0 | - | 4.90 | 76,808 |
| Europe Capitals - One Minute Sprint | 0 | - | 4.40 | 200,246 |
| Name a Valid Capital #1 | 0 | - | 4.96 | 90,007 |
| Top 10 Oldest U.S. State Capitals | 0 | - | 4.55 | 31,927 |
| Which City In the United Kingdom? | 0 | - | 4.97 | 93,395 |
| Which City in Canada? | 0 | - | 4.82 | 56,672 |
| Most Mentioned Enemies of the USA | 0 | - | 4.77 | 174,564 |
