| Europe Capital to Country | 0 | - | 4.99 | 252,738 |
| EU Capitals with No Hints | 0 | - | 4.96 | 147,394 |
| European Capitals by Map | 0 | - | 4.99 | 142,745 |
| 10 Westernmost Capital Cities in Europe | 0 | - | 4.88 | 93,202 |
| 10 Northernmost Capital Cities in Europe | 0 | - | 4.96 | 85,453 |
| European Coastal Capitals | 0 | - | 4.95 | 91,560 |
| Europe by Capitals and Borders in 30 Seconds | 0 | - | 4.88 | 226,883 |
| Top 10 Most Remote European Capitals | 0 | - | 4.87 | 94,767 |
| European Capitals - Map Quiz | 0 | - | 4.97 | 120,404 |
| European Capitals Furthest from the Sea | 0 | - | 4.92 | 82,714 |
| European Capitals Ending in N | 0 | - | 4.92 | 81,866 |
| Africa Capitals Quiz | 0 | - | 4.99 | 745,557 |
| Asia Capitals Quiz | 0 | - | 4.98 | 700,516 |
| Name a Valid European Capital | 0 | - | 4.95 | 154,105 |
| European Capital Superlatives - Top 2 | 0 | - | 4.95 | 81,736 |
| Asia Capital to Country | 0 | - | 4.96 | 127,754 |
| African Capitals by Map | 0 | - | 4.99 | 142,722 |
| Asian Capitals by Map | 0 | - | 4.98 | 64,184 |
| 10 Easternmost Capital Cities in Asia | 0 | - | 4.89 | 53,298 |
| Capitals of Oceania Quiz | 0 | - | 4.99 | 273,521 |
| Most Guessed European Capitals | 0 | - | 4.87 | 101,965 |
| Capitals of Mediterranean Countries | 0 | - | 4.95 | 82,272 |
| Nordic Countries and Capitals | 0 | - | 4.95 | 84,193 |
| Random European Capital to Country | 0 | - | 4.98 | 192,433 |
| Random European Country to Capital | 0 | - | 4.93 | 166,134 |
| European Capitals by Airport Code | 0 | - | 4.93 | 37,038 |
| South America Capitals Quiz | 0 | - | 5.00 | 485,943 |
| Random European Capitals on a Map | 0 | - | 4.97 | 135,618 |
| Official Cities in the UK | 0 | - | 4.89 | 287,093 |
| North America Capitals Quiz | 0 | - | 4.99 | 222,856 |
| African Capitals - Map Quiz | 0 | - | 4.94 | 63,409 |
| Middle East Capital Cities Quiz | 0 | - | 4.96 | 88,538 |
| Asian Capitals - Map Quiz | 0 | - | 4.95 | 62,108 |
| Capitals of the Stans | 0 | - | 4.95 | 27,266 |
| British Cities with the Most Tourists | 0 | - | 4.83 | 71,181 |
| 100 Biggest Cities and Towns in the UK | 0 | - | 4.98 | 152,076 |
| Capitals of Canadian Provinces | 0 | - | 4.85 | 89,876 |
| Which City In the United Kingdom? | 0 | - | 4.97 | 94,924 |
| South American Capitals - Map Quiz | 0 | - | 4.98 | 131,721 |
| Random Asian Country to Capital | 0 | - | 4.92 | 97,156 |
| Random Asian Capital to Country | 0 | - | 4.97 | 103,633 |
| Random African Capital to Country | 0 | - | 4.97 | 101,555 |
| Random African Country to Capital | 0 | - | 4.94 | 71,935 |
| Capitals of the Most Populated Countries | 0 | - | 4.96 | 128,633 |
| Name a City - European Countries | 0 | - | 4.89 | 66,470 |
| World Capitals Closest to Madrid | 0 | - | 4.50 | 42,474 |
| World Capitals Closest to Bangkok | 0 | - | 4.91 | 41,226 |
| European Capitals with the Least Sunshine | 0 | - | 4.46 | 50,560 |
| Word Scramble - European Capitals | 0 | - | 4.70 | 94,661 |
| Random African Capitals on a Map | 0 | - | 4.96 | 55,375 |
| Random Asian Capitals on a Map | 0 | - | 4.83 | 51,474 |
| US State Capitals Quiz - No Hints | 0 | - | 4.98 | 95,878 |
| 10 Westernmost U.S. State Capitals | 0 | - | 4.90 | 48,392 |
| Countries of Europe by Population | 0 | - | 4.98 | 183,844 |
| 15 Largest Cities in Africa With a Map | 0 | - | 4.96 | 111,757 |
| Most-Visited Cities in Europe | 0 | - | 4.83 | 76,440 |
| Countries and Capitals of the World With a Map | 0 | - | 5.00 | 69,597 |
| U.S. State Capitals Map Quiz | 0 | - | 4.93 | 151,474 |
| Top 10 Most Populous European Countries | 0 | - | 4.97 | 235,055 |
| Cities in European History #1 | 0 | - | 4.63 | 134,979 |
| World Capitals Quiz | 0 | - | 5.00 | 5,117,530 |
| Countries by Capitals and Borders in 90 Seconds | 0 | - | 4.84 | 228,256 |
| Random State Capital to U.S. State | 0 | - | 4.85 | 90,059 |
| Ancient Greek Words | 0 | - | 4.93 | 112,741 |
| Cities Founded by the French in North America | 0 | - | 4.50 | 40,522 |
| Most-Visited U.S. Cities | 0 | - | 4.85 | 95,406 |
| Every U.S. Metro Area on a Map | 0 | - | 4.97 | 83,550 |
| All 1M+ Cities in Africa on a Map | 0 | - | 4.93 | 27,313 |
| Five Most Inland Capital Cities by Continent | 0 | - | 4.92 | 13,847 |
| Europe Capitals - One Minute Sprint | 0 | - | 4.40 | 202,040 |
| UK Cities and Towns by Map | 0 | - | 4.48 | 46,720 |
| European Cities with the Biggest Economies | 0 | - | 4.61 | 38,686 |
| Cities in the United Kingdom by Proximity | 0 | - | 4.63 | 49,152 |
| Europe Capitals Quiz | 0 | - | 5.00 | 1,603,658 |
| Name a Valid Asian Capital | 0 | - | 4.53 | 62,148 |
| Random U.S. State Capitals on a Map | 0 | - | 4.93 | 105,099 |
| Melbourne Suburbs | 0 | - | 4.86 | 54,593 |
| Biggest Cities in France - Extreme | 0 | - | 4.87 | 57,654 |
| Biggest Cities in Germany | 0 | - | 4.95 | 295,806 |
| Global Cities on a World Map | 0 | - | 4.93 | 137,595 |
| U.S. State Capitals Quiz | 0 | - | 5.00 | 1,701,326 |
| Most Guessed U.S. Cities | 0 | - | 4.89 | 107,285 |
| U.S. Cities with the Biggest Economies | 0 | - | 4.83 | 73,678 |
| Northernmost Capital Cities | 0 | - | 4.98 | 111,662 |
| Most Remote Capital Cities | 0 | - | 4.92 | 54,148 |
| Capital Cities: Ports and Saints | 0 | - | 4.96 | 46,423 |
| Capitals with the Shortest Names | 0 | - | 4.97 | 110,558 |
| Same Letter Country and Capital | 0 | - | 4.99 | 158,517 |
| Countries by Capital City | 0 | - | 5.00 | 69,748 |
| Capital Cities Based on First Two Letters | 0 | - | 4.85 | 78,252 |
| Capitals of the Largest Countries by Area | 0 | - | 4.96 | 115,421 |
| World Capitals by Proximity | 0 | - | 4.91 | 334,675 |
| Divided Capital Name Puzzle #1 | 0 | - | 4.99 | 85,026 |
| Asian Coastal Capitals | 0 | - | 4.52 | 22,310 |
| Moved Capital Cities | 0 | - | 4.96 | 74,769 |
| 10 Westernmost Capital Cities in Asia | 0 | - | 4.64 | 16,264 |
| World Capitals with a Unique First Letter | 0 | - | 4.83 | 75,888 |
| Which City in Europe? | 0 | - | 4.83 | 108,045 |
| 100 Biggest Cities in Italy on a Map | 0 | - | 4.89 | 97,807 |
| Biggest Cities in Sweden | 0 | - | 4.85 | 41,536 |
| 100 Biggest Cities in Germany on a Map | 0 | - | 4.92 | 100,497 |
| British Places A-Z | 0 | - | 4.29 | 80,162 |
| Word Scramble - U.K. Cities | 0 | - | 4.57 | 65,095 |
| 20 Northernmost English Cities | 0 | - | 4.49 | 23,903 |
| Most Guessed Asian Capitals | 0 | - | 4.51 | 66,066 |
| Random Capital to Country | 0 | - | 4.99 | 2,605,344 |
| Random Country to Capital | 0 | - | 4.98 | 930,998 |
| Speed Capital to U.S. State | 0 | - | 4.46 | 114,691 |
| 10 Southernmost U.S. State Capitals | 0 | - | 4.51 | 39,203 |
| 10 Northernmost U.S. State Capitals | 0 | - | 4.57 | 35,922 |
| 10 Easternmost U.S. State Capitals | 0 | - | 4.50 | 34,826 |
| Boroughs of London | 0 | - | 4.63 | 88,749 |
| London Geography | 0 | - | 4.47 | 59,940 |
| Biggest Trading Partners – United Kingdom | 0 | - | 4.93 | 81,136 |
| Biggest Trading Partners - Germany | 0 | - | 4.97 | 72,167 |
| Biggest Trading Partners - Spain | 0 | - | 4.92 | 54,044 |
| North American Sports Cities | 0 | - | 4.82 | 173,360 |
| Summer Olympic City Bids | 0 | - | 4.94 | 42,620 |
| European Cities by Map #2 | 0 | - | 4.49 | 47,484 |
| European Cities by Map #1 | 0 | - | 4.69 | 55,932 |
| Asian Cities by Map #1 | 0 | - | 4.50 | 40,976 |
| Mediterranean Cities by Map | 0 | - | 4.51 | 51,251 |
| Cities with the Most Metro Rail Stations | 0 | - | 4.89 | 103,103 |
| Cities in Squares on a Map - Europe | 0 | - | 4.70 | 54,657 |
| Name a Valid World City | 0 | - | 4.85 | 72,198 |
| Cities by Former Name | 0 | - | 4.83 | 92,229 |
| India State Capitals Quiz | 0 | - | 4.28 | 59,980 |
| Capitals in their Native Languages | 0 | - | 4.95 | 134,005 |
| Nearest Capital City #1 | 0 | - | 4.83 | 58,071 |
| World Capitals by First Two Letters in 90 Seconds | 0 | - | 4.34 | 247,234 |
| Capitals Furthest from the Border | 0 | - | 4.96 | 70,022 |
| World Capitals by Map | 0 | - | 5.00 | 290,221 |
| Capital Cities in a Ring of the World Map | 0 | - | 4.95 | 58,983 |
| Capitals Starting With H | 0 | - | 4.91 | 93,503 |
| Capitals Starting With K | 0 | - | 4.89 | 84,561 |
| Capitals Starting With L | 0 | - | 4.81 | 96,166 |
| Capitals Starting With M | 0 | - | 4.94 | 109,455 |
| Capitals Starting With P | 0 | - | 4.88 | 79,177 |
| Capitals Starting With R | 0 | - | 4.89 | 82,650 |
| Capitals Starting With S | 0 | - | 4.90 | 86,747 |
| Capitals Starting With T | 0 | - | 4.86 | 76,992 |
| Capitals Starting With W | 0 | - | 4.87 | 91,826 |
| Capitals Starting With A | 0 | - | 4.97 | 129,358 |
| Capitals Starting With B | 0 | - | 4.89 | 119,717 |
| Capitals Starting With D | 0 | - | 4.94 | 97,365 |
| Top 10 Most Remote U.S. State Capitals | 0 | - | 4.41 | 32,345 |
| Top 10 Oldest U.S. State Capitals | 0 | - | 4.55 | 32,292 |
| Which City in Canada? | 0 | - | 4.83 | 57,439 |
| Biggest Roman Empire Countries | 0 | - | 4.87 | 102,471 |
| Countries Settled by the Ancient Greeks | 0 | - | 4.54 | 49,703 |
| Single Vowel Capitals | 0 | - | 4.83 | 14,790 |
| Most Populous World Capitals | 0 | - | 4.94 | 176,942 |
| 100 Biggest Cities in Europe with a Map | 0 | - | 4.97 | 349,645 |
| Southernmost Major Cities in the U.S. | 0 | - | 4.43 | 36,731 |
| U.S. Cities with the Most Skyscrapers | 0 | - | 4.89 | 95,850 |
| North America Cities by Map | 0 | - | 4.41 | 47,982 |
| Most Guessed Cities by Country #3 | 0 | - | 4.89 | 47,131 |
| Summer Olympics Host Cities | 0 | - | 4.97 | 216,942 |
| Random European City to Country | 0 | - | 4.69 | 118,583 |
| Random Asian City to Country | 0 | - | 4.56 | 44,649 |
| Cities with the Biggest Economies | 0 | - | 4.91 | 131,882 |
| Five Most Guessed Cities by Continent | 0 | - | 4.96 | 113,746 |
| U.S. Cities With Spanish Names | 0 | - | 4.94 | 24,034 |
| Former Capitals | 0 | - | 4.88 | 71,751 |
| Capital Cities Chain | 0 | - | 4.84 | 83,585 |
| Coldest World Capitals | 0 | - | 4.95 | 134,373 |
| Capital Cities with Spanish Names | 0 | - | 4.90 | 78,299 |
| Name a Valid Capital #1 | 0 | - | 4.96 | 91,788 |
| Word Puzzles - U.S. State Capitals | 0 | - | 4.63 | 34,897 |
| U.S. State Capitals Where it Doesn't Snow | 0 | - | 4.56 | 51,468 |
| U.S. State Capital Etymology | 0 | - | 4.53 | 37,138 |
| Name a Valid U.S. State Capital #1 | 0 | - | 4.75 | 54,779 |
| U.S. State Capitals Closest to Canada | 0 | - | 4.64 | 34,106 |
| US States and State Capitals | 0 | - | 4.99 | 166,200 |
| Which City in Germany? | 0 | - | 4.50 | 137,646 |
| Which City in Italy? | 0 | - | 4.68 | 90,693 |
| Which City in France? | 0 | - | 4.67 | 73,483 |
| Which City in Spain? | 0 | - | 4.50 | 50,170 |
| Countries of Europe in 1650 with a Map | 0 | - | 4.95 | 70,849 |
| UK Cities Map Quiz | 0 | - | 4.96 | 466,976 |
| Top 10 Most Populous Asian Countries | 0 | - | 4.97 | 185,569 |
| Top 10 Most Populous African Countries | 0 | - | 4.99 | 195,431 |
| Top 10 Most Densely-Populated Countries in Asia | 0 | - | 4.92 | 105,159 |
| Top 10 Asian Countries by Population Increase | 0 | - | 4.93 | 109,014 |
| 15 Largest Cities in Europe With a Map | 0 | - | 4.98 | 226,229 |
| 250 Biggest Cities in Europe With a Map | 0 | - | 4.90 | 116,808 |
| All 100k+ Cities in Europe on a Map | 0 | - | 4.99 | 103,283 |
| All 50k+ Cities in Europe with a Map | 0 | - | 4.95 | 35,727 |
| Biggest City by Body of Water | 0 | - | 4.51 | 40,350 |
| Southernmost Major Cities | 0 | - | 4.48 | 57,825 |
| U.S. City Prefixes and Suffixes | 0 | - | 4.48 | 73,170 |
| Cities with the Most Foreign Embassies | 0 | - | 4.69 | 47,248 |
| U.S Cities by African-American Population | 0 | - | 4.42 | 95,679 |
| South American Cities on the Map | 0 | - | 4.52 | 35,592 |
| Southeast Asian Cities by Map | 0 | - | 4.63 | 26,825 |
| 1M Cities by Proximity - United States | 0 | - | 4.63 | 152,030 |
| Biggest Cities in a Strip of the United States Map | 0 | - | 4.74 | 41,309 |
| Divided World City Name Puzzle #1 | 0 | - | 4.84 | 49,523 |
| German Cities with the Most Tourists | 0 | - | 4.77 | 49,201 |
| Cities on Route 66 on a Map | 0 | - | 4.53 | 33,368 |
