| Europe Capital to Country | 0 | - | 4.99 | 252,731 |
| EU Capitals with No Hints | 0 | - | 4.96 | 147,385 |
| European Capitals by Map | 0 | - | 4.99 | 142,729 |
| 10 Westernmost Capital Cities in Europe | 0 | - | 4.88 | 93,197 |
| 10 Northernmost Capital Cities in Europe | 0 | - | 4.96 | 85,447 |
| European Coastal Capitals | 0 | - | 4.95 | 91,551 |
| Europe by Capitals and Borders in 30 Seconds | 0 | - | 4.88 | 226,863 |
| Nordic Countries and Capitals | 0 | - | 4.95 | 84,190 |
| Top 10 Most Remote European Capitals | 0 | - | 4.87 | 94,762 |
| European Capitals - Map Quiz | 0 | - | 4.97 | 120,398 |
| European Capitals Furthest from the Sea | 0 | - | 4.92 | 82,706 |
| European Capitals Ending in N | 0 | - | 4.92 | 81,858 |
| Africa Capitals Quiz | 0 | - | 4.99 | 745,486 |
| Asia Capitals Quiz | 0 | - | 4.98 | 700,464 |
| British Cities with the Most Tourists | 0 | - | 4.83 | 71,175 |
| 100 Biggest Cities and Towns in the UK | 0 | - | 4.98 | 152,060 |
| Name a Valid European Capital | 0 | - | 4.95 | 154,099 |
| European Capital Superlatives - Top 2 | 0 | - | 4.95 | 81,731 |
| Asia Capital to Country | 0 | - | 4.96 | 127,752 |
| African Capitals by Map | 0 | - | 4.99 | 142,717 |
| Asian Capitals by Map | 0 | - | 4.98 | 64,180 |
| 10 Easternmost Capital Cities in Asia | 0 | - | 4.89 | 53,295 |
| Capitals of Oceania Quiz | 0 | - | 4.99 | 273,508 |
| Most Guessed European Capitals | 0 | - | 4.87 | 101,962 |
| Capitals of Mediterranean Countries | 0 | - | 4.95 | 82,270 |
| Random European Capital to Country | 0 | - | 4.98 | 192,425 |
| Random European Country to Capital | 0 | - | 4.93 | 166,131 |
| European Capitals by Airport Code | 0 | - | 4.93 | 37,034 |
| Official Cities in the UK | 0 | - | 4.89 | 287,072 |
| South America Capitals Quiz | 0 | - | 5.00 | 485,917 |
| North America Capitals Quiz | 0 | - | 4.99 | 222,838 |
| African Capitals - Map Quiz | 0 | - | 4.94 | 63,402 |
| Middle East Capital Cities Quiz | 0 | - | 4.96 | 88,536 |
| Asian Capitals - Map Quiz | 0 | - | 4.95 | 62,107 |
| Random European Capitals on a Map | 0 | - | 4.97 | 135,614 |
| Capitals of the Stans | 0 | - | 4.95 | 27,263 |
| Capitals of Canadian Provinces | 0 | - | 4.85 | 89,875 |
| Capitals of the Most Populated Countries | 0 | - | 4.96 | 128,620 |
| Name a City - European Countries | 0 | - | 4.89 | 66,460 |
| South American Capitals - Map Quiz | 0 | - | 4.98 | 131,673 |
| Random Asian Country to Capital | 0 | - | 4.92 | 97,152 |
| Random Asian Capital to Country | 0 | - | 4.97 | 103,630 |
| Random African Capital to Country | 0 | - | 4.97 | 101,550 |
| Random African Country to Capital | 0 | - | 4.94 | 71,931 |
| Countries of Europe by Population | 0 | - | 4.98 | 183,816 |
| UK Cities and Towns by Map | 0 | - | 4.48 | 46,720 |
| 15 Largest Cities in Africa With a Map | 0 | - | 4.96 | 111,749 |
| Most-Visited Cities in Europe | 0 | - | 4.83 | 76,432 |
| Cities in the United Kingdom by Proximity | 0 | - | 4.63 | 49,148 |
| World Capitals Closest to Bangkok | 0 | - | 4.91 | 41,224 |
| European Capitals with the Least Sunshine | 0 | - | 4.46 | 50,559 |
| Word Scramble - European Capitals | 0 | - | 4.70 | 94,658 |
| Random African Capitals on a Map | 0 | - | 4.96 | 55,366 |
| Random Asian Capitals on a Map | 0 | - | 4.83 | 51,473 |
| Countries and Capitals of the World With a Map | 0 | - | 5.00 | 69,583 |
| US State Capitals Quiz - No Hints | 0 | - | 4.98 | 95,877 |
| 10 Westernmost U.S. State Capitals | 0 | - | 4.90 | 48,392 |
| World Capitals Quiz | 0 | - | 5.00 | 5,117,187 |
| U.S. State Capitals Map Quiz | 0 | - | 4.93 | 151,469 |
| UK Cities Map Quiz | 0 | - | 4.96 | 466,965 |
| Top 10 Most Populous European Countries | 0 | - | 4.97 | 235,046 |
| Cities in European History #1 | 0 | - | 4.63 | 134,976 |
| Word Scramble - U.K. Cities | 0 | - | 4.57 | 65,094 |
| All 1M+ Cities in Africa on a Map | 0 | - | 4.93 | 27,306 |
| Five Most Inland Capital Cities by Continent | 0 | - | 4.92 | 13,844 |
| Countries by Capitals and Borders in 90 Seconds | 0 | - | 4.84 | 228,248 |
| Boroughs of London | 0 | - | 4.63 | 88,747 |
| London Geography | 0 | - | 4.47 | 59,938 |
| Europe Capitals Quiz | 0 | - | 5.00 | 1,603,517 |
| World Capitals Closest to Madrid | 0 | - | 4.50 | 42,473 |
| Random State Capital to U.S. State | 0 | - | 4.85 | 90,058 |
| Which City In the United Kingdom? | 0 | - | 4.97 | 94,920 |
| Most-Visited U.S. Cities | 0 | - | 4.85 | 95,397 |
| Every U.S. Metro Area on a Map | 0 | - | 4.97 | 83,546 |
| Europe Capitals - One Minute Sprint | 0 | - | 4.40 | 202,028 |
| UK Immigration by Country | 0 | - | 4.94 | 141,949 |
| Biggest Spanish Empire Countries | 0 | - | 4.91 | 117,181 |
| United Kingdom Country Quiz | 0 | - | 4.96 | 141,374 |
| Modern-Day Countries of the British Empire in 1921 | 0 | - | 4.99 | 119,131 |
| Global Cities on a World Map | 0 | - | 4.93 | 137,589 |
| European Cities with the Biggest Economies | 0 | - | 4.61 | 38,685 |
| German Cities with the Most Tourists | 0 | - | 4.77 | 49,201 |
| Find the City #1 | 0 | - | 4.97 | 43,467 |
| Northernmost Capital Cities | 0 | - | 4.98 | 111,645 |
| Most Remote Capital Cities | 0 | - | 4.92 | 54,140 |
| Capital Cities: Ports and Saints | 0 | - | 4.96 | 46,412 |
| Capitals with the Shortest Names | 0 | - | 4.97 | 110,539 |
| Same Letter Country and Capital | 0 | - | 4.99 | 158,504 |
| Countries by Capital City | 0 | - | 5.00 | 69,732 |
| Capital Cities Based on First Two Letters | 0 | - | 4.85 | 78,244 |
| Capitals of the Largest Countries by Area | 0 | - | 4.96 | 115,412 |
| World Capitals by Proximity | 0 | - | 4.91 | 334,649 |
| Divided Capital Name Puzzle #1 | 0 | - | 4.99 | 85,018 |
| Asian Coastal Capitals | 0 | - | 4.52 | 22,310 |
| Moved Capital Cities | 0 | - | 4.96 | 74,764 |
| 10 Westernmost Capital Cities in Asia | 0 | - | 4.64 | 16,264 |
| Name a Valid Asian Capital | 0 | - | 4.53 | 62,147 |
| World Capitals with a Unique First Letter | 0 | - | 4.83 | 75,885 |
| Random U.S. State Capitals on a Map | 0 | - | 4.93 | 105,092 |
| Melbourne Suburbs | 0 | - | 4.86 | 54,589 |
| Countries that Visit the UK the Most | 0 | - | 4.88 | 76,064 |
| U.S. State Capitals Quiz | 0 | - | 5.00 | 1,701,279 |
| Most Guessed U.S. Cities | 0 | - | 4.89 | 107,280 |
| U.S. Cities with the Biggest Economies | 0 | - | 4.83 | 73,672 |
| Most Guessed Asian Capitals | 0 | - | 4.51 | 66,065 |
| Which City in Europe? | 0 | - | 4.83 | 108,041 |
| Commonwealth of Nations Countries | 0 | - | 4.95 | 238,672 |
| Modern Day Countries of Austria-Hungary on a Map | 0 | - | 4.98 | 105,060 |
| Countries that Beat Portugal | 0 | - | 4.86 | 60,039 |
| North American Sports Cities | 0 | - | 4.82 | 173,357 |
| Summer Olympic City Bids | 0 | - | 4.94 | 42,620 |
| European Cities by Map #2 | 0 | - | 4.49 | 47,483 |
| European Cities by Map #1 | 0 | - | 4.69 | 55,930 |
| Asian Cities by Map #1 | 0 | - | 4.50 | 40,975 |
| 20 Northernmost English Cities | 0 | - | 4.49 | 23,903 |
| Cities Founded by the French in North America | 0 | - | 4.50 | 40,522 |
| Mediterranean Cities by Map | 0 | - | 4.51 | 51,250 |
| Cities with the Most Metro Rail Stations | 0 | - | 4.89 | 103,097 |
| Cities in Squares on a Map - Europe | 0 | - | 4.70 | 54,655 |
| Name a Valid World City | 0 | - | 4.85 | 72,193 |
| Cities by Former Name | 0 | - | 4.83 | 92,224 |
| Capitals in their Native Languages | 0 | - | 4.95 | 134,003 |
| Nearest Capital City #1 | 0 | - | 4.83 | 58,067 |
| Capitals Furthest from the Border | 0 | - | 4.96 | 70,015 |
| World Capitals by Map | 0 | - | 5.00 | 290,193 |
| Capital Cities in a Ring of the World Map | 0 | - | 4.95 | 58,980 |
| Random Capital to Country | 0 | - | 4.99 | 2,605,207 |
| Random Country to Capital | 0 | - | 4.98 | 930,952 |
| Capitals Starting With H | 0 | - | 4.91 | 93,494 |
| Capitals Starting With K | 0 | - | 4.89 | 84,554 |
| Capitals Starting With L | 0 | - | 4.81 | 96,155 |
| Capitals Starting With M | 0 | - | 4.94 | 109,446 |
| Capitals Starting With P | 0 | - | 4.88 | 79,166 |
| Capitals Starting With R | 0 | - | 4.89 | 82,645 |
| Capitals Starting With S | 0 | - | 4.90 | 86,740 |
| Capitals Starting With T | 0 | - | 4.86 | 76,984 |
| Capitals Starting With W | 0 | - | 4.87 | 91,819 |
| Capitals Starting With A | 0 | - | 4.97 | 129,349 |
| Capitals Starting With B | 0 | - | 4.89 | 119,704 |
| Capitals Starting With D | 0 | - | 4.94 | 97,357 |
| Speed Capital to U.S. State | 0 | - | 4.46 | 114,687 |
| 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 |
| Modern Day Countries of the Portuguese Empire on a Map | 0 | - | 4.56 | 52,310 |
| Single Vowel Capitals | 0 | - | 4.83 | 14,788 |
| Most Populous World Capitals | 0 | - | 4.94 | 176,938 |
| U.S. Cities with the Most Skyscrapers | 0 | - | 4.89 | 95,848 |
| Most Guessed Cities by Country #3 | 0 | - | 4.89 | 47,121 |
| Summer Olympics Host Cities | 0 | - | 4.97 | 216,931 |
| Cities with the Biggest Economies | 0 | - | 4.91 | 131,872 |
| Five Most Guessed Cities by Continent | 0 | - | 4.96 | 113,739 |
| Former Capitals | 0 | - | 4.88 | 71,750 |
| India State Capitals Quiz | 0 | - | 4.28 | 59,980 |
| Capital Cities Chain | 0 | - | 4.84 | 83,577 |
| World Capitals by First Two Letters in 90 Seconds | 0 | - | 4.34 | 247,230 |
| Coldest World Capitals | 0 | - | 4.95 | 134,368 |
| Capital Cities with Spanish Names | 0 | - | 4.90 | 78,297 |
| Name a Valid Capital #1 | 0 | - | 4.96 | 91,782 |
| Which City in Canada? | 0 | - | 4.83 | 57,435 |
| City of Liverpool Quiz | 0 | - | 4.38 | 12,730 |
| Countries of Europe in 1650 with a Map | 0 | - | 4.95 | 70,842 |
| 100 Biggest Cities in Europe with a Map | 0 | - | 4.97 | 349,623 |
| Biggest City by Body of Water | 0 | - | 4.51 | 40,350 |
| Southernmost Major Cities | 0 | - | 4.48 | 57,824 |
| U.S. City Prefixes and Suffixes | 0 | - | 4.48 | 73,169 |
| Cities with the Most Foreign Embassies | 0 | - | 4.69 | 47,246 |
| Southernmost Major Cities in the U.S. | 0 | - | 4.43 | 36,731 |
| North America Cities by Map | 0 | - | 4.41 | 47,982 |
| Random European City to Country | 0 | - | 4.69 | 118,579 |
| Random Asian City to Country | 0 | - | 4.56 | 44,649 |
| U.S. Cities With Spanish Names | 0 | - | 4.94 | 24,029 |
| Word Puzzles - U.S. State Capitals | 0 | - | 4.63 | 34,897 |
| U.S. State Capitals Where it Doesn't Snow | 0 | - | 4.56 | 51,465 |
| Top 10 Most Remote U.S. State Capitals | 0 | - | 4.41 | 32,345 |
| Top 10 Oldest U.S. State Capitals | 0 | - | 4.55 | 32,291 |
| 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 | 166,180 |
| Geography of Rome | 0 | - | 4.51 | 16,723 |
| Paris City Trivia | 0 | - | 4.31 | 35,657 |
| Venice Trivia | 0 | - | 4.45 | 10,505 |
| Milan Trivia | 0 | - | 4.56 | 15,223 |
| Berlin City Trivia | 0 | - | 4.67 | 13,347 |
| Amsterdam Trivia | 0 | - | 4.46 | 15,881 |
| Rome City Trivia | 0 | - | 4.49 | 20,750 |
| Top 10 Most Populous Asian Countries | 0 | - | 4.97 | 185,559 |
| Top 10 Most Populous African Countries | 0 | - | 4.99 | 195,421 |
| Top 10 Most Densely-Populated Countries in Asia | 0 | - | 4.92 | 105,153 |
| Top 10 Asian Countries by Population Increase | 0 | - | 4.93 | 109,008 |
| U.S Cities by African-American Population | 0 | - | 4.42 | 95,679 |
| South American Cities on the Map | 0 | - | 4.52 | 35,591 |
| Southeast Asian Cities by Map | 0 | - | 4.63 | 26,824 |
| 1M Cities by Proximity - United States | 0 | - | 4.63 | 152,027 |
| Biggest Cities in a Strip of the United States Map | 0 | - | 4.74 | 41,308 |
| Divided World City Name Puzzle #1 | 0 | - | 4.84 | 49,521 |
| Cities on Route 66 on a Map | 0 | - | 4.53 | 33,367 |
| Divided World City Name Puzzle #2 | 0 | - | 4.83 | 37,639 |
| Capitals A-Z #1 | 0 | - | 4.86 | 51,970 |
