| Nordic Countries and Capitals | 0 | - | 4.95 | 83,158 |
| Random European Capital to Country | 0 | - | 4.98 | 189,386 |
| Random European Country to Capital | 0 | - | 4.92 | 147,594 |
| Random Asian Country to Capital | 0 | - | 4.92 | 95,463 |
| Random Asian Capital to Country | 0 | - | 4.97 | 101,539 |
| Random African Capital to Country | 0 | - | 4.97 | 99,796 |
| Random African Country to Capital | 0 | - | 4.94 | 70,302 |
| U.S. State Capitals Quiz | 0 | - | 5.00 | 1,679,010 |
| Name a City - European Countries | 0 | - | 4.92 | 64,563 |
| Africa Capitals Quiz | 0 | - | 4.99 | 731,156 |
| Asia Capitals Quiz | 0 | - | 4.98 | 686,739 |
| US State Capitals Quiz - No Hints | 0 | - | 4.98 | 94,621 |
| 10 Westernmost U.S. State Capitals | 0 | - | 4.90 | 47,915 |
| Countries of Europe by Population | 0 | - | 4.98 | 178,359 |
| 15 Largest Cities in Africa With a Map | 0 | - | 4.95 | 109,461 |
| Most-Visited Cities in Europe | 0 | - | 4.82 | 74,028 |
| Europe Capital to Country | 0 | - | 4.99 | 248,170 |
| Asia Capital to Country | 0 | - | 4.96 | 125,853 |
| EU Capitals with No Hints | 0 | - | 4.96 | 144,666 |
| European Capitals by Map | 0 | - | 4.99 | 136,753 |
| African Capitals by Map | 0 | - | 4.99 | 132,346 |
| Asian Capitals by Map | 0 | - | 4.98 | 61,335 |
| 10 Westernmost Capital Cities in Europe | 0 | - | 4.88 | 91,325 |
| 10 Northernmost Capital Cities in Europe | 0 | - | 4.96 | 83,741 |
| European Coastal Capitals | 0 | - | 4.95 | 89,883 |
| 10 Easternmost Capital Cities in Asia | 0 | - | 4.89 | 52,234 |
| Capitals of Oceania Quiz | 0 | - | 4.99 | 267,268 |
| Europe by Capitals and Borders in 30 Seconds | 0 | - | 4.88 | 222,097 |
| Capitals of Mediterranean Countries | 0 | - | 4.95 | 81,467 |
| U.S. State Capitals Map Quiz | 0 | - | 4.93 | 142,725 |
| Top 10 Most Populous European Countries | 0 | - | 4.97 | 231,165 |
| Top 10 Most Populous Asian Countries | 0 | - | 4.96 | 182,159 |
| Top 10 Most Populous African Countries | 0 | - | 4.99 | 191,998 |
| Top 10 Most Densely-Populated Countries in Asia | 0 | - | 4.92 | 103,069 |
| Top 10 Asian Countries by Population Increase | 0 | - | 4.93 | 107,876 |
| Colour in the Flag Map by Guessing Cities | 0 | - | 4.92 | 64,070 |
| Official Cities in the UK | 0 | - | 4.89 | 280,943 |
| South America Capitals Quiz | 0 | - | 5.00 | 477,726 |
| North America Capitals Quiz | 0 | - | 4.99 | 217,251 |
| African Capitals - Map Quiz | 0 | - | 4.93 | 61,753 |
| Top 10 Most Remote European Capitals | 0 | - | 4.86 | 93,511 |
| European Capitals - Map Quiz | 0 | - | 4.97 | 118,278 |
| Middle East Capital Cities Quiz | 0 | - | 4.96 | 87,252 |
| European Capitals Furthest from the Sea | 0 | - | 4.92 | 81,772 |
| Asian Capitals - Map Quiz | 0 | - | 4.95 | 60,588 |
| European Capitals Ending in N | 0 | - | 4.92 | 80,834 |
| Random State Capital to U.S. State | 0 | - | 4.84 | 88,324 |
| British Cities with the Most Tourists | 0 | - | 4.82 | 69,326 |
| 100 Biggest Cities and Towns in the UK | 0 | - | 4.97 | 145,271 |
| Most-Visited U.S. Cities | 0 | - | 4.85 | 92,551 |
| Every U.S. Metro Area on a Map | 0 | - | 4.97 | 80,892 |
| All 1M+ Cities in Africa on a Map | 0 | - | 4.93 | 25,882 |
| World Capitals Quiz | 0 | - | 5.00 | 5,036,759 |
| Capitals of Canadian Provinces | 0 | - | 4.85 | 88,496 |
| Name a Valid European Capital | 0 | - | 4.95 | 151,126 |
| European Capital Superlatives - Top 2 | 0 | - | 4.94 | 80,739 |
| Random U.S. State Capitals on a Map | 0 | - | 4.92 | 103,353 |
| Capitals of the Stans | 0 | - | 4.95 | 26,474 |
| Europe Capitals Quiz | 0 | - | 5.00 | 1,572,842 |
| South American Capitals - Map Quiz | 0 | - | 4.98 | 129,586 |
| Most Guessed European Capitals | 0 | - | 4.87 | 101,243 |
| Melbourne Suburbs | 0 | - | 4.84 | 51,902 |
| European Capitals by Airport Code | 0 | - | 4.92 | 35,545 |
| Most Guessed U.S. Cities | 0 | - | 4.88 | 105,107 |
| U.S. Cities with the Biggest Economies | 0 | - | 4.84 | 72,161 |
| World Capitals by Proximity | 0 | - | 4.91 | 328,779 |
| World Capitals Closest to Bangkok | 0 | - | 4.91 | 40,828 |
| Random African Capitals on a Map | 0 | - | 4.96 | 54,325 |
| Random Asian Capitals on a Map | 0 | - | 4.83 | 50,685 |
| Random European Capitals on a Map | 0 | - | 4.97 | 133,965 |
| Which City in Europe? | 0 | - | 4.83 | 106,816 |
| Capitals of the Most Populated Countries | 0 | - | 4.96 | 127,200 |
| North American Sports Cities | 0 | - | 4.83 | 171,028 |
| Summer Olympic City Bids | 0 | - | 4.93 | 41,953 |
| Global Cities on a World Map | 0 | - | 4.93 | 134,970 |
| Cities with the Most Metro Rail Stations | 0 | - | 4.89 | 101,825 |
| Name a Valid World City | 0 | - | 4.83 | 70,260 |
| Find the City #1 | 0 | - | 4.97 | 42,221 |
| Cities by Former Name | 0 | - | 4.84 | 91,053 |
| Capitals in their Native Languages | 0 | - | 4.95 | 132,743 |
| Northernmost Capital Cities | 0 | - | 4.98 | 109,124 |
| Most Remote Capital Cities | 0 | - | 4.92 | 52,757 |
| Nearest Capital City #1 | 0 | - | 4.84 | 57,289 |
| Capital Cities: Ports and Saints | 0 | - | 4.96 | 44,715 |
| Capitals with the Shortest Names | 0 | - | 4.97 | 107,806 |
| Same Letter Country and Capital | 0 | - | 4.99 | 155,634 |
| Countries by Capital City | 0 | - | 5.00 | 66,839 |
| Capital Cities Based on First Two Letters | 0 | - | 4.85 | 76,438 |
| Capitals of the Largest Countries by Area | 0 | - | 4.96 | 113,998 |
| World Capitals by First Two Letters in 90 Seconds | 0 | - | 4.35 | 245,946 |
| Divided Capital Name Puzzle #1 | 0 | - | 4.99 | 83,488 |
| Capitals Furthest from the Border | 0 | - | 4.96 | 68,086 |
| Moved Capital Cities | 0 | - | 4.96 | 73,671 |
| World Capitals by Map | 0 | - | 5.00 | 283,791 |
| Capital Cities in a Ring of the World Map | 0 | - | 4.95 | 57,754 |
| Random Capital to Country | 0 | - | 4.99 | 2,579,644 |
| Random Country to Capital | 0 | - | 4.98 | 912,535 |
| Capitals Starting With H | 0 | - | 4.90 | 91,375 |
| Capitals Starting With K | 0 | - | 4.85 | 75,764 |
| Capitals Starting With L | 0 | - | 4.81 | 86,932 |
| Capitals Starting With M | 0 | - | 4.93 | 106,229 |
| Capitals Starting With P | 0 | - | 4.88 | 77,268 |
| Capitals Starting With R | 0 | - | 4.87 | 81,052 |
| Capitals Starting With S | 0 | - | 4.89 | 84,896 |
| Capitals Starting With T | 0 | - | 4.84 | 75,368 |
| Capitals Starting With W | 0 | - | 4.89 | 90,683 |
| Capitals Starting With A | 0 | - | 4.97 | 126,666 |
| Capitals Starting With B | 0 | - | 4.89 | 117,393 |
| Capitals Starting With D | 0 | - | 4.93 | 95,488 |
| Speed Capital to U.S. State | 0 | - | 4.46 | 113,559 |
| 10 Southernmost U.S. State Capitals | 0 | - | 4.51 | 38,926 |
| 10 Northernmost U.S. State Capitals | 0 | - | 4.57 | 35,668 |
| 10 Easternmost U.S. State Capitals | 0 | - | 4.50 | 34,540 |
| Top 10 Oldest U.S. State Capitals | 0 | - | 4.55 | 31,944 |
| US States and State Capitals | 0 | - | 4.99 | 158,914 |
| Which City In the United Kingdom? | 0 | - | 4.97 | 93,668 |
| Which City in Canada? | 0 | - | 4.82 | 56,753 |
| Most Populous World Capitals | 0 | - | 4.94 | 174,664 |
| Colour in the Flag Map by Guessing Cities #2 | 0 | - | 4.70 | 49,231 |
| Cities in European History #1 | 0 | - | 4.63 | 133,274 |
| Southernmost Major Cities in the U.S. | 0 | - | 4.43 | 36,483 |
| U.S. Cities with the Most Skyscrapers | 0 | - | 4.89 | 95,345 |
| European Cities by Map #2 | 0 | - | 4.48 | 47,221 |
| European Cities by Map #1 | 0 | - | 4.64 | 55,585 |
| North America Cities by Map | 0 | - | 4.41 | 47,642 |
| Asian Cities by Map #1 | 0 | - | 4.50 | 40,819 |
| Mediterranean Cities by Map | 0 | - | 4.51 | 51,031 |
| Most Guessed Cities by Country #3 | 0 | - | 4.89 | 45,287 |
| Summer Olympics Host Cities | 0 | - | 4.98 | 213,322 |
| Random European City to Country | 0 | - | 4.69 | 116,747 |
| Random Asian City to Country | 0 | - | 4.56 | 44,408 |
| Cities with the Biggest Economies | 0 | - | 4.91 | 129,802 |
| Cities in Squares on a Map - Europe | 0 | - | 4.74 | 53,265 |
| Five Most Guessed Cities by Continent | 0 | - | 4.96 | 112,393 |
| Former Capitals | 0 | - | 4.88 | 71,183 |
| Capital Cities Chain | 0 | - | 4.84 | 81,989 |
| Coldest World Capitals | 0 | - | 4.95 | 133,091 |
| Capital Cities with Spanish Names | 0 | - | 4.90 | 76,897 |
| All First Level Subdivision Capitals | 0 | - | 4.85 | 14,993 |
| Name a Valid Capital #1 | 0 | - | 4.96 | 90,082 |
| Countries and Capitals of the World With a Map | 0 | - | 5.00 | 65,171 |
| Word Puzzles - U.S. State Capitals | 0 | - | 4.62 | 34,599 |
| U.S. State Capitals Where it Doesn't Snow | 0 | - | 4.56 | 51,053 |
| U.S. State Capital Etymology | 0 | - | 4.50 | 36,799 |
| Name a Valid U.S. State Capital #1 | 0 | - | 4.75 | 54,363 |
| U.S. State Capitals Closest to Canada | 0 | - | 4.63 | 33,870 |
| Random U.S. States on a Map | 0 | - | 4.96 | 622,145 |
| Word Scramble - U.K. Cities | 0 | - | 4.57 | 64,832 |
| U.S Cities by African-American Population | 0 | - | 4.42 | 95,037 |
| UK Cities and Towns by Map | 0 | - | 4.48 | 46,348 |
| South American Cities on the Map | 0 | - | 4.57 | 35,260 |
| Southeast Asian Cities by Map | 0 | - | 4.63 | 26,602 |
| 1M Cities by Proximity - United States | 0 | - | 4.56 | 149,818 |
| U.S. Cities with the Highest Murder Rate | 0 | - | 4.54 | 137,727 |
| Biggest Cities in a Strip of the United States Map | 0 | - | 4.74 | 40,639 |
| Random U.S. City to State | 0 | - | 4.45 | 75,437 |
| European Cities with the Biggest Economies | 0 | - | 4.62 | 38,205 |
| Divided World City Name Puzzle #1 | 0 | - | 4.88 | 48,159 |
| Cities in the United Kingdom by Proximity | 0 | - | 4.63 | 47,723 |
| German Cities with the Most Tourists | 0 | - | 4.77 | 48,410 |
| Cities on Route 66 on a Map | 0 | - | 4.53 | 32,850 |
| Divided World City Name Puzzle #2 | 0 | - | 4.83 | 36,517 |
| Name a Valid U.S. City over 100,000 | 0 | - | 4.42 | 40,043 |
| Capital Cities by Cartoon Riddles | 0 | - | 4.98 | 86,726 |
| U.S. Cities With Spanish Names | 0 | - | 4.94 | 22,372 |
| Richest Metro Areas in the U.S. | 0 | - | 4.42 | 43,267 |
| Capitals A-Z #1 | 0 | - | 4.86 | 51,165 |
| Capital Cities by Body of Water | 0 | - | 4.85 | 57,325 |
| Asian Coastal Capitals | 0 | - | 4.52 | 22,042 |
| Most Guessed Capitals on JetPunk | 0 | - | 4.89 | 125,537 |
| Most Guessed Asian Capitals | 0 | - | 4.51 | 65,798 |
| European Capitals with the Least Sunshine | 0 | - | 4.46 | 50,183 |
| Word Scramble - European Capitals | 0 | - | 4.72 | 93,824 |
| Capitals of Countries with the Biggest Economies | 0 | - | 4.93 | 94,765 |
| 10 Westernmost Capital Cities in Asia | 0 | - | 4.62 | 15,832 |
| Flags to Capitals #1 | 0 | - | 4.96 | 57,947 |
| Flags to Capitals #2 | 0 | - | 4.95 | 43,987 |
| Category Elimination - Capital Cities #1 | 0 | - | 4.87 | 131,678 |
| Five Most Guessed Capital Cities by Continent | 0 | - | 4.86 | 93,570 |
| Countries by Capitals and Borders in 90 Seconds | 0 | - | 4.84 | 225,421 |
| Random World Capitals on a Map | 0 | - | 4.93 | 133,398 |
| Name a Valid Asian Capital | 0 | - | 4.53 | 61,303 |
| Category Elimination - Capital Cities #2 | 0 | - | 4.89 | 79,623 |
| World Capitals in the Answer | 0 | - | 4.94 | 76,375 |
| Capital Cities in Squares of an Empty World Map | 0 | - | 4.99 | 88,732 |
| Capital Cities with the Least Precipitation | 0 | - | 4.89 | 29,051 |
| US State Capitals by Proximity in 30 Seconds | 0 | - | 4.17 | 128,874 |
| US State Capitals by First Two Letters in 45 seconds | 0 | - | 4.09 | 58,044 |
| U.S State Capitals on the Sea | 0 | - | 4.53 | 26,130 |
| U.S. State Capitals with the Highest Elevation | 0 | - | 4.56 | 22,568 |
| Top 10 Most Remote U.S. State Capitals | 0 | - | 4.40 | 32,162 |
| U.S. State Capitals Furthest from the Sea | 0 | - | 4.48 | 26,015 |
| U.S. State Capitals Closest to Mexico | 0 | - | 4.58 | 42,690 |
| Sydney Suburbs | 0 | - | 4.64 | 37,049 |
| European Cities by Clue | 0 | - | 4.70 | 88,846 |
| The Only Country ... | 0 | - | 4.91 | 80,034 |
| Boroughs of London | 0 | - | 4.63 | 87,152 |
| London Geography | 0 | - | 4.47 | 59,490 |
| Total United States Immigration by Country | 0 | - | 4.91 | 110,758 |
| "Do Not Travel" Countries for U.S. Citizens | 0 | - | 4.97 | 241,267 |
