| Capitals of Canadian Provinces | 0 | - | 4.85 | 89,440 |
| South America Capitals Quiz | 0 | - | 5.00 | 483,820 |
| Africa Capitals Quiz | 0 | - | 4.99 | 741,947 |
| Asia Capitals Quiz | 0 | - | 4.98 | 696,878 |
| US State Capitals Quiz - No Hints | 0 | - | 4.98 | 95,479 |
| 10 Westernmost U.S. State Capitals | 0 | - | 4.90 | 48,249 |
| Most-Visited U.S. Cities | 0 | - | 4.85 | 94,578 |
| Every U.S. Metro Area on a Map | 0 | - | 4.97 | 82,305 |
| Europe Capital to Country | 0 | - | 4.99 | 251,527 |
| Asia Capital to Country | 0 | - | 4.96 | 127,160 |
| EU Capitals with No Hints | 0 | - | 4.96 | 146,633 |
| European Capitals by Map | 0 | - | 4.99 | 141,349 |
| African Capitals by Map | 0 | - | 4.99 | 141,332 |
| Asian Capitals by Map | 0 | - | 4.98 | 63,561 |
| 10 Westernmost Capital Cities in Europe | 0 | - | 4.88 | 92,621 |
| 10 Northernmost Capital Cities in Europe | 0 | - | 4.96 | 84,969 |
| European Coastal Capitals | 0 | - | 4.95 | 91,074 |
| 10 Easternmost Capital Cities in Asia | 0 | - | 4.89 | 53,066 |
| Capitals of Oceania Quiz | 0 | - | 4.99 | 271,705 |
| Europe by Capitals and Borders in 30 Seconds | 0 | - | 4.88 | 225,250 |
| Capitals of Mediterranean Countries | 0 | - | 4.95 | 82,049 |
| Most Guessed U.S. Cities | 0 | - | 4.89 | 106,718 |
| African Capitals - Map Quiz | 0 | - | 4.94 | 62,958 |
| Top 10 Most Remote European Capitals | 0 | - | 4.87 | 94,385 |
| European Capitals - Map Quiz | 0 | - | 4.97 | 119,805 |
| Middle East Capital Cities Quiz | 0 | - | 4.96 | 88,236 |
| European Capitals Furthest from the Sea | 0 | - | 4.92 | 82,457 |
| Asian Capitals - Map Quiz | 0 | - | 4.95 | 61,761 |
| European Capitals Ending in N | 0 | - | 4.92 | 81,567 |
| Name a Valid European Capital | 0 | - | 4.95 | 153,219 |
| European Capital Superlatives - Top 2 | 0 | - | 4.95 | 81,433 |
| Capitals of the Most Populated Countries | 0 | - | 4.96 | 128,269 |
| United States Map Quiz | 0 | - | 4.98 | 4,167,294 |
| Southernmost Major Cities in the U.S. | 0 | - | 4.43 | 36,660 |
| North America Cities by Map | 0 | - | 4.41 | 47,894 |
| South American Capitals - Map Quiz | 0 | - | 4.98 | 131,105 |
| Most Guessed European Capitals | 0 | - | 4.87 | 101,709 |
| Nordic Countries and Capitals | 0 | - | 4.95 | 83,947 |
| Random European Capital to Country | 0 | - | 4.98 | 191,810 |
| Random European Country to Capital | 0 | - | 4.93 | 165,657 |
| Random Asian Country to Capital | 0 | - | 4.92 | 96,871 |
| Random Asian Capital to Country | 0 | - | 4.97 | 103,253 |
| Random African Capital to Country | 0 | - | 4.97 | 101,141 |
| Random African Country to Capital | 0 | - | 4.94 | 71,607 |
| World Capitals by First Two Letters in 90 Seconds | 0 | - | 4.35 | 246,674 |
| Speed Capital to U.S. State | 0 | - | 4.45 | 114,242 |
| 10 Southernmost U.S. State Capitals | 0 | - | 4.51 | 39,106 |
| 10 Northernmost U.S. State Capitals | 0 | - | 4.57 | 35,837 |
| 10 Easternmost U.S. State Capitals | 0 | - | 4.50 | 34,754 |
| Countries of North America Quiz | 0 | - | 5.00 | 1,028,565 |
| Canada Provinces Map Quiz | 0 | - | 4.99 | 642,988 |
| Canada Provinces and Territories | 0 | - | 5.00 | 345,021 |
| Top 10 Least Populous U.S. States | 0 | - | 4.94 | 192,380 |
| Top 10 Most Populous U.S. States | 0 | - | 4.97 | 177,305 |
| U.S Cities by African-American Population | 0 | - | 4.42 | 95,511 |
| 15 Largest Cities in Africa With a Map | 0 | - | 4.96 | 111,234 |
| 1M Cities by Proximity - United States | 0 | - | 4.63 | 151,594 |
| Most-Visited Cities in Europe | 0 | - | 4.83 | 75,770 |
| Biggest Cities in a Strip of the United States Map | 0 | - | 4.74 | 41,131 |
| World Capitals Quiz | 0 | - | 5.00 | 5,094,945 |
| World Capitals Closest to Bangkok | 0 | - | 4.91 | 41,108 |
| Random African Capitals on a Map | 0 | - | 4.96 | 55,110 |
| Random Asian Capitals on a Map | 0 | - | 4.83 | 51,244 |
| Random European Capitals on a Map | 0 | - | 4.97 | 135,211 |
| Official Cities in the UK | 0 | - | 4.89 | 285,410 |
| Northernmost Major Cities in the U.S. | 0 | - | 4.38 | 48,893 |
| U.S. Cities with the Most Homeless People | 0 | - | 4.31 | 33,605 |
| U.S. Cities with the Highest Murder Rate | 0 | - | 4.55 | 138,895 |
| Five Most Inland Capital Cities by Continent | 0 | - | 4.92 | 13,515 |
| Countries by Capitals and Borders in 90 Seconds | 0 | - | 4.83 | 227,275 |
| U.S. State Capitals Map Quiz | 0 | - | 4.93 | 148,596 |
| Central America and Caribbean Map Quiz | 0 | - | 4.89 | 904,124 |
| North American Capitals - Map Quiz | 0 | - | 4.88 | 58,533 |
| U.S. Cities with the Most International Tourists | 0 | - | 4.88 | 75,787 |
| All First-Level Subdivisions of North America on a Map | 0 | - | 4.97 | 64,651 |
| U.S. State Border Crossings | 0 | - | 4.97 | 96,750 |
| U.S. States with the Lowest Population Density | 0 | - | 4.92 | 94,082 |
| Europe Capitals Quiz | 0 | - | 5.00 | 1,595,370 |
| US State Capitals by Proximity in 30 Seconds | 0 | - | 4.17 | 129,620 |
| US State Capitals by First Two Letters in 45 seconds | 0 | - | 4.09 | 58,206 |
| U.S State Capitals on the Sea | 0 | - | 4.53 | 26,236 |
| Random State Capital to U.S. State | 0 | - | 4.85 | 89,568 |
| States of the U.S. in Alphabetical Order | 0 | - | 4.98 | 368,190 |
| British Cities with the Most Tourists | 0 | - | 4.83 | 70,686 |
| Cities in U.S. History #1 | 0 | - | 4.31 | 45,496 |
| 100 Biggest Cities and Towns in the UK | 0 | - | 4.98 | 150,318 |
| U.S. Suburbs Quiz | 0 | - | 4.47 | 18,424 |
| Central American Countries | 0 | - | 4.98 | 157,079 |
| Caribbean Countries and Territories | 0 | - | 4.81 | 113,124 |
| Total United States Immigration by Country | 0 | - | 4.91 | 112,128 |
| "Do Not Travel" Countries for U.S. Citizens | 0 | - | 4.97 | 245,700 |
| Caribbean / Lesser Antilles Map Quiz | 0 | - | 4.99 | 149,739 |
| Mexico States Map Quiz | 0 | - | 4.84 | 105,428 |
| Name the U.S. National Parks | 0 | - | 4.86 | 60,318 |
| States of Mexico | 0 | - | 4.96 | 177,546 |
| South American Cities on the Map | 0 | - | 4.52 | 35,518 |
| Global Cities on a World Map | 0 | - | 4.93 | 136,963 |
| Northernmost Capital Cities | 0 | - | 4.98 | 110,889 |
| Most Remote Capital Cities | 0 | - | 4.92 | 53,787 |
| Capital Cities: Ports and Saints | 0 | - | 4.96 | 45,977 |
| Capitals with the Shortest Names | 0 | - | 4.97 | 109,908 |
| Same Letter Country and Capital | 0 | - | 4.99 | 157,772 |
| Countries by Capital City | 0 | - | 5.00 | 69,054 |
| Capital Cities Based on First Two Letters | 0 | - | 4.85 | 77,630 |
| Capitals of the Largest Countries by Area | 0 | - | 4.96 | 115,039 |
| World Capitals by Proximity | 0 | - | 4.91 | 333,037 |
| Divided Capital Name Puzzle #1 | 0 | - | 4.99 | 84,621 |
| Asian Coastal Capitals | 0 | - | 4.52 | 22,240 |
| European Capitals with the Least Sunshine | 0 | - | 4.46 | 50,441 |
| Word Scramble - European Capitals | 0 | - | 4.70 | 94,422 |
| Moved Capital Cities | 0 | - | 4.96 | 74,518 |
| 10 Westernmost Capital Cities in Asia | 0 | - | 4.64 | 16,156 |
| Name a Valid Asian Capital | 0 | - | 4.53 | 61,891 |
| Westernmost Cities in the U.S. | 0 | - | 4.37 | 16,483 |
| U.S. State Capitals Quiz | 0 | - | 5.00 | 1,695,899 |
| Random U.S. State Capitals on a Map | 0 | - | 4.92 | 104,432 |
| Melbourne Suburbs | 0 | - | 4.86 | 53,950 |
| Most-Visited Countries by Americans | 0 | - | 4.86 | 110,240 |
| Countries that Visit the United States the Most | 0 | - | 4.96 | 92,219 |
| Most-Visited Countries by Canadians | 0 | - | 4.83 | 39,523 |
| Countries Closest to Canada | 0 | - | 4.91 | 198,856 |
| Pixelated United States Map | 0 | - | 4.88 | 94,636 |
| The 13 Colonies Quiz | 0 | - | 4.97 | 118,759 |
| U.S. States with the Letter Y | 0 | - | 4.85 | 111,969 |
| 10 Southernmost U.S. States | 0 | - | 4.89 | 113,980 |
| U.S. States with Short Names | 0 | - | 4.91 | 149,631 |
| U.S. States that Start with M | 0 | - | 4.93 | 187,984 |
| U.S. States By Population | 0 | - | 4.92 | 153,940 |
| U.S. States that Start with N | 0 | - | 4.95 | 171,965 |
| U.S. States with Longest Names | 0 | - | 4.84 | 44,741 |
| 10 Northernmost U.S. States | 0 | - | 4.90 | 82,933 |
| 10 Westernmost U.S. States | 0 | - | 4.95 | 64,435 |
| The Only Remaining U.S. State . . . | 0 | - | 4.93 | 65,945 |
| Top 10 Largest U.S. States by Area | 0 | - | 4.95 | 160,492 |
| Top 10 Smallest U.S. States by Area | 0 | - | 4.98 | 178,063 |
| Top 10 Poorest U.S. States by Median Income | 0 | - | 4.86 | 125,557 |
| U.S. States with the Highest Percentage of Hispanics | 0 | - | 4.85 | 69,749 |
| Top 10 Newest U.S. States | 0 | - | 4.85 | 86,550 |
| North American Sports Cities | 0 | - | 4.83 | 172,928 |
| Summer Olympic City Bids | 0 | - | 4.94 | 42,484 |
| U.S. Cities with the Biggest Economies | 0 | - | 4.83 | 73,178 |
| Cities with the Most Metro Rail Stations | 0 | - | 4.89 | 102,777 |
| Cities by Former Name | 0 | - | 4.83 | 91,890 |
| Capitals in their Native Languages | 0 | - | 4.95 | 133,596 |
| Nearest Capital City #1 | 0 | - | 4.83 | 57,871 |
| Most Guessed Asian Capitals | 0 | - | 4.51 | 65,993 |
| Capitals Furthest from the Border | 0 | - | 4.96 | 69,608 |
| World Capitals by Map | 0 | - | 5.00 | 288,523 |
| Capital Cities in a Ring of the World Map | 0 | - | 4.95 | 58,666 |
| Random Capital to Country | 0 | - | 4.99 | 2,598,039 |
| Random Country to Capital | 0 | - | 4.98 | 925,318 |
| Capitals Starting With H | 0 | - | 4.91 | 92,905 |
| Capitals Starting With K | 0 | - | 4.88 | 83,958 |
| Capitals Starting With L | 0 | - | 4.81 | 88,413 |
| Capitals Starting With M | 0 | - | 4.93 | 108,388 |
| Capitals Starting With P | 0 | - | 4.88 | 78,531 |
| Capitals Starting With R | 0 | - | 4.88 | 82,127 |
| Capitals Starting With S | 0 | - | 4.90 | 86,123 |
| Capitals Starting With T | 0 | - | 4.85 | 76,459 |
| Capitals Starting With W | 0 | - | 4.87 | 91,484 |
| Capitals Starting With A | 0 | - | 4.97 | 128,540 |
| Capitals Starting With B | 0 | - | 4.89 | 118,935 |
| Capitals Starting With D | 0 | - | 4.93 | 96,807 |
| Which City in Europe? | 0 | - | 4.83 | 107,751 |
| Countries that Beat the United States | 0 | - | 4.93 | 168,290 |
| Top 10 Most-Visited U.S. States | 0 | - | 4.90 | 102,262 |
| U.S. States with the Most Immigrants | 0 | - | 4.85 | 82,903 |
| Single Vowel Capitals | 0 | - | 4.82 | 14,647 |
| Fastest Growing U.S. States Since 1960 | 0 | - | 4.48 | 76,277 |
| American TV Show Settings | 0 | - | 4.35 | 30,686 |
| Cities in European History #1 | 0 | - | 4.63 | 134,428 |
| European Cities by Map #2 | 0 | - | 4.49 | 47,420 |
| European Cities by Map #1 | 0 | - | 4.67 | 55,848 |
| Asian Cities by Map #1 | 0 | - | 4.50 | 40,932 |
| Mediterranean Cities by Map | 0 | - | 4.51 | 51,187 |
| Cities in Squares on a Map - Europe | 0 | - | 4.69 | 54,322 |
| World Capitals Closest to Madrid | 0 | - | 4.50 | 42,447 |
| Countries of Europe by Population | 0 | - | 4.98 | 182,290 |
| Most Populous World Capitals | 0 | - | 4.94 | 176,475 |
| Biggest City by Body of Water | 0 | - | 4.51 | 40,295 |
| Southernmost Major Cities | 0 | - | 4.48 | 57,616 |
| U.S. City Prefixes and Suffixes | 0 | - | 4.48 | 73,028 |
| Cities with the Most Foreign Embassies | 0 | - | 4.69 | 47,208 |
| U.S. Cities with the Most Skyscrapers | 0 | - | 4.89 | 95,696 |
| Most Guessed Cities by Country #3 | 0 | - | 4.89 | 46,697 |
| Summer Olympics Host Cities | 0 | - | 4.98 | 216,022 |
| Random European City to Country | 0 | - | 4.69 | 118,248 |
| Random Asian City to Country | 0 | - | 4.56 | 44,584 |
| Cities with the Biggest Economies | 0 | - | 4.91 | 131,477 |
| U.S. City Name Etymologies | 0 | - | 4.15 | 21,571 |
| Five Most Guessed Cities by Continent | 0 | - | 4.96 | 113,408 |
| U.S. Cities With Spanish Names | 0 | - | 4.94 | 23,622 |
| Former Capitals | 0 | - | 4.88 | 71,599 |
| India State Capitals Quiz | 0 | - | 4.28 | 59,861 |
| Capital Cities Chain | 0 | - | 4.84 | 83,171 |
| Coldest World Capitals | 0 | - | 4.95 | 134,058 |
| Capital Cities with Spanish Names | 0 | - | 4.90 | 77,950 |
| Europe Capitals - One Minute Sprint | 0 | - | 4.40 | 201,663 |
| Name a Valid Capital #1 | 0 | - | 4.96 | 91,340 |
| Top 10 Oldest U.S. State Capitals | 0 | - | 4.55 | 32,172 |
