| Nordic Countries and Capitals | 0 | - | 4.94 | 76,781 |
| Random European Capital to Country | 0 | - | 4.97 | 153,016 |
| Random European Country to Capital | 0 | - | 4.92 | 135,180 |
| Random Asian Country to Capital | 0 | - | 4.94 | 85,767 |
| Random Asian Capital to Country | 0 | - | 4.97 | 89,345 |
| Random African Capital to Country | 0 | - | 4.97 | 79,785 |
| Random African Country to Capital | 0 | - | 4.94 | 61,956 |
| European Capitals - Map Quiz | 0 | - | 4.98 | 105,438 |
| Africa Capitals Quiz | 0 | - | 4.99 | 635,905 |
| Asia Capitals Quiz | 0 | - | 4.98 | 595,369 |
| U.S. State Capitals Quiz | 0 | - | 5.00 | 1,530,685 |
| Countries of Europe by Population | 0 | - | 4.98 | 127,453 |
| 15 Largest Cities in Africa With a Map | 0 | - | 4.94 | 80,553 |
| Most-Visited Cities in Europe | 0 | - | 4.92 | 56,764 |
| Europe Capital to Country | 0 | - | 4.99 | 220,283 |
| Asia Capital to Country | 0 | - | 4.96 | 105,818 |
| EU Capitals with No Hints | 0 | - | 4.96 | 125,014 |
| European Capitals by Map | 0 | - | 4.99 | 93,995 |
| African Capitals by Map | 0 | - | 4.99 | 110,995 |
| Asian Capitals by Map | 0 | - | 4.98 | 47,271 |
| 10 Westernmost Capital Cities in Europe | 0 | - | 4.88 | 79,073 |
| 10 Northernmost Capital Cities in Europe | 0 | - | 4.95 | 72,216 |
| European Coastal Capitals | 0 | - | 4.95 | 77,308 |
| 10 Easternmost Capital Cities in Asia | 0 | - | 4.90 | 46,643 |
| Capitals of Oceania Quiz | 0 | - | 4.99 | 228,753 |
| Europe by Capitals and Borders in 30 Seconds | 0 | - | 4.91 | 194,113 |
| Capitals of Mediterranean Countries | 0 | - | 4.96 | 76,134 |
| US State Capitals Quiz - No Hints | 0 | - | 4.97 | 79,887 |
| 10 Westernmost U.S. State Capitals | 0 | - | 4.85 | 39,122 |
| World Capitals Quiz | 0 | - | 5.00 | 4,505,792 |
| South America Capitals Quiz | 0 | - | 5.00 | 420,283 |
| U.S. State Capitals Map Quiz | 0 | - | 4.91 | 126,052 |
| Top 10 Most Populous European Countries | 0 | - | 4.97 | 205,704 |
| Top 10 Most Populous Asian Countries | 0 | - | 4.96 | 161,225 |
| Top 10 Most Populous African Countries | 0 | - | 4.98 | 157,701 |
| Top 10 Most Densely-Populated Countries in Asia | 0 | - | 4.90 | 81,037 |
| Top 10 Asian Countries by Population Increase | 0 | - | 4.92 | 88,405 |
| Official Cities in the UK | 0 | - | 4.86 | 232,728 |
| North America Capitals Quiz | 0 | - | 4.99 | 186,400 |
| African Capitals - Map Quiz | 0 | - | 4.95 | 52,300 |
| Top 10 Most Remote European Capitals | 0 | - | 4.85 | 84,354 |
| Middle East Capital Cities Quiz | 0 | - | 4.96 | 78,055 |
| European Capitals Furthest from the Sea | 0 | - | 4.91 | 66,975 |
| Asian Capitals - Map Quiz | 0 | - | 4.95 | 51,369 |
| European Capitals Ending in N | 0 | - | 4.92 | 74,037 |
| Europe Capitals Quiz | 0 | - | 5.00 | 1,385,753 |
| Random State Capital to U.S. State | 0 | - | 4.86 | 74,851 |
| Name a Valid U.S. State Capital | 0 | - | 4.82 | 49,472 |
| 100 Biggest Cities and Towns in the UK | 0 | - | 4.97 | 93,801 |
| Most-Visited U.S. Cities | 0 | - | 4.87 | 72,910 |
| Every U.S. Metro Area on a Map | 0 | - | 4.97 | 62,994 |
| Capitals of Canadian Provinces | 0 | - | 4.87 | 73,715 |
| Name a Valid European Capital | 0 | - | 4.94 | 123,906 |
| European Capital Superlatives - Top 2 | 0 | - | 4.94 | 61,763 |
| Global Cities on a World Map | 0 | - | 4.92 | 91,562 |
| Northernmost Capital Cities | 0 | - | 4.98 | 94,170 |
| Most Remote Capital Cities | 0 | - | 4.90 | 43,830 |
| Capital Cities: Ports and Saints | 0 | - | 4.94 | 34,482 |
| Capitals with the Shortest Names | 0 | - | 4.96 | 90,997 |
| Same Letter Country and Capital | 0 | - | 4.99 | 127,751 |
| Countries by Capital City | 0 | - | 4.99 | 49,602 |
| Capital Cities Based on First Two Letters | 0 | - | 4.84 | 66,032 |
| Capitals of the Largest Countries by Area | 0 | - | 4.96 | 105,182 |
| South American Capitals - Map Quiz | 0 | - | 4.98 | 116,279 |
| Divided Capital Name Puzzle #1 | 0 | - | 4.99 | 73,093 |
| Most Guessed European Capitals | 0 | - | 4.89 | 96,526 |
| Moved Capital Cities | 0 | - | 4.94 | 52,345 |
| Random U.S. State Capitals on a Map | 0 | - | 4.94 | 82,177 |
| Most Guessed U.S. Cities | 0 | - | 4.90 | 91,486 |
| U.S. Cities with the Biggest Economies | 0 | - | 4.83 | 61,598 |
| World Capitals Closest to Bangkok | 0 | - | 4.91 | 38,162 |
| Random African Capitals on a Map | 0 | - | 4.95 | 48,191 |
| Random Asian Capitals on a Map | 0 | - | 4.82 | 45,118 |
| Random European Capitals on a Map | 0 | - | 4.97 | 107,041 |
| Which City in Europe? | 0 | - | 4.84 | 97,502 |
| Capitals of the Most Populated Countries | 0 | - | 4.96 | 117,109 |
| Summer Olympic City Bids | 0 | - | 4.93 | 37,174 |
| Important Cities in European History | 0 | - | 4.55 | 109,885 |
| European Cities by Map #2 | 0 | - | 4.47 | 44,508 |
| European Cities by Map #1 | 0 | - | 4.65 | 51,866 |
| Asian Cities by Map #1 | 0 | - | 4.49 | 38,960 |
| Mediterranean Cities by Map | 0 | - | 4.48 | 49,195 |
| Cities with the Most Metro Rail Stations | 0 | - | 4.86 | 91,412 |
| Cities in Squares on a Map - Europe | 0 | - | 4.72 | 46,091 |
| Cities by Former Name | 0 | - | 4.86 | 71,499 |
| Capitals in their Native Languages | 0 | - | 4.95 | 127,593 |
| Nearest Capital City #1 | 0 | - | 4.82 | 52,508 |
| World Capitals by Proximity | 0 | - | 4.88 | 299,906 |
| World Capitals Deepest in a Country's Territory | 0 | - | 4.96 | 48,888 |
| World Capitals by Map | 0 | - | 5.00 | 242,505 |
| Capital Cities in a Ring of the World Map | 0 | - | 4.95 | 50,377 |
| Random Capital to Country | 0 | - | 4.99 | 2,364,720 |
| Random Country to Capital | 0 | - | 4.98 | 803,992 |
| World Capitals By Letter - H | 0 | - | 4.85 | 71,356 |
| World Capitals By Letter - K | 0 | - | 4.82 | 66,017 |
| World Capitals By Letter - M | 0 | - | 4.90 | 86,098 |
| World Capitals By Letter - P | 0 | - | 4.86 | 67,183 |
| World Capitals By Letter - R | 0 | - | 4.88 | 72,382 |
| World Capitals By Letter - S | 0 | - | 4.89 | 74,644 |
| World Capitals By Letter - T | 0 | - | 4.81 | 66,532 |
| World Capitals By Letter - W | 0 | - | 4.88 | 82,317 |
| World Capitals By Letter - A | 0 | - | 4.96 | 104,828 |
| World Capitals By Letter - B | 0 | - | 4.84 | 97,036 |
| World Capitals By Letter - D | 0 | - | 4.91 | 79,278 |
| Speed Capital to U.S. State | 0 | - | 4.44 | 106,321 |
| 10 Southernmost U.S. State Capitals | 0 | - | 4.53 | 37,154 |
| Most Populous World Capitals | 0 | - | 4.92 | 148,770 |
| U.S. Cities with the Most Skyscrapers | 0 | - | 4.91 | 89,841 |
| Summer Olympics Host Cities | 0 | - | 4.98 | 193,650 |
| Cities with the Biggest Economies | 0 | - | 4.92 | 118,673 |
| Five Most Guessed Cities by Continent | 0 | - | 4.97 | 104,647 |
| Former Capitals Quiz | 0 | - | 4.81 | 58,061 |
| Capital Cities Chain | 0 | - | 4.86 | 71,525 |
| World Capitals by First Two Letters in 90 Seconds | 0 | - | 4.36 | 234,748 |
| Coldest World Capitals | 0 | - | 4.96 | 128,116 |
| Capital Cities with Spanish Names | 0 | - | 4.85 | 63,039 |
| Name a Valid Capital #1 | 0 | - | 4.96 | 78,849 |
| Which City In the United Kingdom? | 0 | - | 4.96 | 74,820 |
| Which City in Canada? | 0 | - | 4.89 | 45,274 |
| Biggest City by Body of Water | 0 | - | 4.52 | 38,919 |
| Global Cities Quiz | 0 | - | 4.64 | 157,105 |
| Southernmost Major Cities | 0 | - | 4.42 | 45,291 |
| U.S. City Prefixes and Suffixes | 0 | - | 4.46 | 68,517 |
| Cities with the Most Foreign Embassies | 0 | - | 4.66 | 45,340 |
| Most Appealing Cities for Working Abroad | 0 | - | 4.41 | 35,020 |
| Random European City to Country | 0 | - | 4.72 | 106,460 |
| Random Asian City to Country | 0 | - | 4.52 | 33,724 |
| Word Puzzles - U.S. State Capitals | 0 | - | 4.70 | 31,799 |
| U.S. State Capitals Where it Doesn't Snow | 0 | - | 4.57 | 44,090 |
| U.S. State Capital Etymology | 0 | - | 4.51 | 34,495 |
| U.S. State Capitals Closest to Canada | 0 | - | 4.72 | 32,361 |
| US States and State Capitals Quiz | 0 | - | 4.99 | 120,268 |
| UK Cities and Towns by Map | 0 | - | 4.56 | 43,864 |
| South American Cities on the Map | 0 | - | 4.55 | 33,180 |
| Southeast Asian Cities by Map | 0 | - | 4.63 | 24,959 |
| British Cities with the Most Tourists | 0 | - | 4.80 | 55,735 |
| 1M Cities by Proximity - United States | 0 | - | 4.50 | 137,267 |
| Most Guessed Cities by Country #3 | 0 | - | 4.87 | 19,931 |
| Biggest Cities in a Strip of the United States Map | 0 | - | 4.72 | 36,608 |
| European Cities with the Biggest Economies | 0 | - | 4.58 | 35,393 |
| Divided World City Name Puzzle #1 | 0 | - | 4.91 | 39,978 |
| Cities in the United Kingdom by Proximity | 0 | - | 4.59 | 37,723 |
| Capitals A-Z | 0 | - | 4.84 | 41,842 |
| Capital Cities by Body of Water | 0 | - | 4.87 | 53,318 |
| Asian Coastal Capitals | 0 | - | 4.54 | 20,263 |
| Most Guessed Capitals on JetPunk | 0 | - | 4.90 | 89,753 |
| European Capitals with the Least Sunshine | 0 | - | 4.48 | 47,650 |
| Word Scramble - European Capitals | 0 | - | 4.79 | 87,330 |
| Capitals of Countries with the Biggest Economies | 0 | - | 4.93 | 88,456 |
| 10 Westernmost Capital Cities in Asia | 0 | - | 4.62 | 13,714 |
| Flags to Capitals #1 | 0 | - | 4.97 | 49,122 |
| Flags to Capitals #2 | 0 | - | 4.95 | 36,843 |
| Five Most Guessed Capital Cities by Continent | 0 | - | 4.86 | 85,132 |
| Countries by Capitals and Borders in 90 Seconds | 0 | - | 4.90 | 207,315 |
| Name a Valid Asian Capital | 0 | - | 4.52 | 55,422 |
| Capital Cities with the Least Precipitation | 0 | - | 4.90 | 27,423 |
| US State Capitals by Proximity in 30 Seconds | 0 | - | 4.18 | 120,499 |
| US State Capitals by First Two Letters in 45 seconds | 0 | - | 4.06 | 56,226 |
| 10 Northernmost U.S. State Capitals | 0 | - | 4.55 | 30,254 |
| U.S State Capitals on the Sea | 0 | - | 4.52 | 25,079 |
| 10 Easternmost U.S. State Capitals | 0 | - | 4.49 | 29,152 |
| The Only Country ... | 0 | - | 4.88 | 46,371 |
| 15 Largest Cities in Europe With a Map | 0 | - | 4.97 | 199,931 |
| 100 Biggest Cities in Europe with a Map | 0 | - | 4.97 | 304,871 |
| 250 Biggest Cities in Europe With a Map | 0 | - | 4.89 | 97,831 |
| Lonely Planet Top 200 Cities | 0 | - | 4.65 | 209,976 |
| Ancient City to Country | 0 | - | 4.76 | 100,994 |
| Word Scramble - U.K. Cities | 0 | - | 4.57 | 63,308 |
| Southernmost Major Cities in the U.S. | 0 | - | 4.39 | 34,839 |
| Northernmost Major Cities in the U.S. | 0 | - | 4.38 | 38,491 |
| City-States | 0 | - | 4.53 | 34,827 |
| North America Cities by Map | 0 | - | 4.39 | 45,354 |
| U.S. Cities with the Most Homeless People | 0 | - | 4.26 | 31,933 |
| Cities with the Most International Tourists | 0 | - | 4.46 | 49,977 |
| 20 Northernmost English Cities | 0 | - | 4.54 | 23,068 |
| 10 Westernmost Major Cities in Europe | 0 | - | 4.40 | 21,874 |
| U.S. Cities with the Highest Murder Rate | 0 | - | 4.58 | 130,695 |
| Random U.S. City to State | 0 | - | 4.44 | 65,815 |
| City Where It Happened #2 | 0 | - | 4.43 | 50,179 |
| Capital Cities with the Highest Elevation | 0 | - | 4.42 | 53,415 |
| Capital Names Created by Only 4 Letters | 0 | - | 4.44 | 49,229 |
| Capitals by First and Last Letter | 0 | - | 4.42 | 63,916 |
| Capitals Based on Last Two Letters | 0 | - | 4.47 | 55,519 |
| Most Guessed Asian Capitals | 0 | - | 4.51 | 63,484 |
| Top Five Capitals By Category #1 | 0 | - | 4.58 | 53,260 |
| Top Five Capitals By Category #2 | 0 | - | 4.52 | 45,607 |
| Most Expensive Capital Cities | 0 | - | 4.55 | 72,686 |
| Category Elimination - Capital Cities #1 | 0 | - | 4.89 | 114,983 |
| Random World Capitals on a Map | 0 | - | 4.92 | 114,258 |
| Capital Cities in Squares of an Empty World Map | 0 | - | 4.99 | 80,013 |
| U.S. State Capitals with the Highest Elevation | 0 | - | 4.56 | 21,662 |
| U.S. State Capitals Furthest from the Sea | 0 | - | 4.47 | 25,065 |
| Top 10 Oldest U.S. State Capitals | 0 | - | 4.54 | 30,269 |
| U.S. State Capitals Closest to Mexico | 0 | - | 4.57 | 40,518 |
| Melbourne Suburbs | 0 | - | 4.79 | 37,797 |
| European Cities by Clue | 0 | - | 4.72 | 85,042 |
| Boroughs of London | 0 | - | 4.59 | 77,618 |
| London Geography | 0 | - | 4.47 | 55,933 |
| Total United States Immigration by Country | 0 | - | 4.89 | 96,898 |
| "Do Not Travel" Countries for U.S. Citizens | 0 | - | 4.94 | 185,437 |
