| Europe Capital to Country | 0 | - | 4.99 | 252,469 |
| EU Capitals with No Hints | 0 | - | 4.96 | 147,204 |
| European Capitals by Map | 0 | - | 4.99 | 142,418 |
| 10 Westernmost Capital Cities in Europe | 0 | - | 4.88 | 93,070 |
| 10 Northernmost Capital Cities in Europe | 0 | - | 4.96 | 85,331 |
| European Coastal Capitals | 0 | - | 4.95 | 91,451 |
| Europe by Capitals and Borders in 30 Seconds | 0 | - | 4.88 | 226,108 |
| Nordic Countries and Capitals | 0 | - | 4.95 | 84,149 |
| Top 10 Most Remote European Capitals | 0 | - | 4.87 | 94,697 |
| European Capitals - Map Quiz | 0 | - | 4.97 | 120,265 |
| European Capitals Furthest from the Sea | 0 | - | 4.92 | 82,647 |
| European Capitals Ending in N | 0 | - | 4.92 | 81,795 |
| Africa Capitals Quiz | 0 | - | 4.99 | 744,840 |
| Asia Capitals Quiz | 0 | - | 4.98 | 699,680 |
| British Cities with the Most Tourists | 0 | - | 4.83 | 71,075 |
| 100 Biggest Cities and Towns in the UK | 0 | - | 4.98 | 151,689 |
| Name a Valid European Capital | 0 | - | 4.95 | 153,877 |
| European Capital Superlatives - Top 2 | 0 | - | 4.95 | 81,662 |
| Asia Capital to Country | 0 | - | 4.96 | 127,658 |
| African Capitals by Map | 0 | - | 4.99 | 142,499 |
| Asian Capitals by Map | 0 | - | 4.98 | 64,088 |
| 10 Easternmost Capital Cities in Asia | 0 | - | 4.89 | 53,253 |
| Capitals of Oceania Quiz | 0 | - | 4.99 | 273,139 |
| Most Guessed European Capitals | 0 | - | 4.87 | 101,910 |
| Capitals of Mediterranean Countries | 0 | - | 4.95 | 82,228 |
| Random European Capital to Country | 0 | - | 4.98 | 192,300 |
| Random European Country to Capital | 0 | - | 4.93 | 166,021 |
| Official Cities in the UK | 0 | - | 4.89 | 286,706 |
| South America Capitals Quiz | 0 | - | 5.00 | 485,466 |
| North America Capitals Quiz | 0 | - | 4.99 | 222,588 |
| African Capitals - Map Quiz | 0 | - | 4.94 | 63,338 |
| Middle East Capital Cities Quiz | 0 | - | 4.96 | 88,462 |
| Asian Capitals - Map Quiz | 0 | - | 4.95 | 62,040 |
| Random European Capitals on a Map | 0 | - | 4.97 | 135,522 |
| Capitals of the Stans | 0 | - | 4.95 | 27,216 |
| Capitals of Canadian Provinces | 0 | - | 4.85 | 89,756 |
| Capitals of the Most Populated Countries | 0 | - | 4.96 | 128,543 |
| Name a City - European Countries | 0 | - | 4.89 | 66,336 |
| South American Capitals - Map Quiz | 0 | - | 4.98 | 131,557 |
| Random Asian Country to Capital | 0 | - | 4.92 | 97,072 |
| Random Asian Capital to Country | 0 | - | 4.97 | 103,533 |
| Random African Capital to Country | 0 | - | 4.97 | 101,437 |
| Random African Country to Capital | 0 | - | 4.94 | 71,850 |
| Countries of Europe by Population | 0 | - | 4.98 | 183,507 |
| UK Cities and Towns by Map | 0 | - | 4.48 | 46,703 |
| 15 Largest Cities in Africa With a Map | 0 | - | 4.96 | 111,626 |
| Most-Visited Cities in Europe | 0 | - | 4.83 | 76,276 |
| Cities in the United Kingdom by Proximity | 0 | - | 4.63 | 49,064 |
| World Capitals Closest to Bangkok | 0 | - | 4.91 | 41,193 |
| European Capitals with the Least Sunshine | 0 | - | 4.46 | 50,523 |
| Word Scramble - European Capitals | 0 | - | 4.70 | 94,613 |
| Random African Capitals on a Map | 0 | - | 4.96 | 55,308 |
| Random Asian Capitals on a Map | 0 | - | 4.83 | 51,420 |
| Countries and Capitals of the World With a Map | 0 | - | 5.00 | 69,321 |
| US State Capitals Quiz - No Hints | 0 | - | 4.98 | 95,800 |
| 10 Westernmost U.S. State Capitals | 0 | - | 4.90 | 48,367 |
| World Capitals Quiz | 0 | - | 5.00 | 5,111,877 |
| U.S. State Capitals Map Quiz | 0 | - | 4.93 | 151,309 |
| UK Cities Map Quiz | 0 | - | 4.96 | 466,712 |
| Top 10 Most Populous European Countries | 0 | - | 4.97 | 234,842 |
| Cities in European History #1 | 0 | - | 4.63 | 134,712 |
| Word Scramble - U.K. Cities | 0 | - | 4.57 | 65,051 |
| All 1M+ Cities in Africa on a Map | 0 | - | 4.93 | 27,217 |
| Five Most Inland Capital Cities by Continent | 0 | - | 4.92 | 13,757 |
| Countries by Capitals and Borders in 90 Seconds | 0 | - | 4.83 | 228,067 |
| Boroughs of London | 0 | - | 4.63 | 88,660 |
| London Geography | 0 | - | 4.47 | 59,902 |
| Europe Capitals Quiz | 0 | - | 5.00 | 1,601,568 |
| World Capitals Closest to Madrid | 0 | - | 4.50 | 42,465 |
| Random State Capital to U.S. State | 0 | - | 4.85 | 89,945 |
| Which City In the United Kingdom? | 0 | - | 4.97 | 94,857 |
| Most-Visited U.S. Cities | 0 | - | 4.85 | 95,211 |
| Every U.S. Metro Area on a Map | 0 | - | 4.97 | 83,342 |
| Europe Capitals - One Minute Sprint | 0 | - | 4.40 | 201,928 |
| UK Immigration by Country | 0 | - | 4.94 | 141,849 |
| Biggest Spanish Empire Countries | 0 | - | 4.91 | 117,056 |
| United Kingdom Country Quiz | 0 | - | 4.96 | 141,196 |
| Germany Cities Map Quiz | 0 | - | 4.87 | 127,180 |
| Modern-Day Countries of the British Empire in 1921 | 0 | - | 4.99 | 118,975 |
| Global Cities on a World Map | 0 | - | 4.93 | 137,460 |
| European Cities with the Biggest Economies | 0 | - | 4.61 | 38,652 |
| German Cities with the Most Tourists | 0 | - | 4.77 | 49,161 |
| Northernmost Capital Cities | 0 | - | 4.98 | 111,505 |
| Most Remote Capital Cities | 0 | - | 4.92 | 54,056 |
| Capital Cities: Ports and Saints | 0 | - | 4.96 | 46,303 |
| Capitals with the Shortest Names | 0 | - | 4.97 | 110,382 |
| Same Letter Country and Capital | 0 | - | 4.99 | 158,316 |
| Countries by Capital City | 0 | - | 5.00 | 69,561 |
| Capital Cities Based on First Two Letters | 0 | - | 4.85 | 78,092 |
| Capitals of the Largest Countries by Area | 0 | - | 4.96 | 115,320 |
| World Capitals by Proximity | 0 | - | 4.91 | 334,280 |
| Divided Capital Name Puzzle #1 | 0 | - | 4.99 | 84,922 |
| Asian Coastal Capitals | 0 | - | 4.52 | 22,287 |
| Moved Capital Cities | 0 | - | 4.96 | 74,710 |
| 10 Westernmost Capital Cities in Asia | 0 | - | 4.64 | 16,252 |
| Name a Valid Asian Capital | 0 | - | 4.53 | 62,060 |
| World Capitals with a Unique First Letter | 0 | - | 4.83 | 75,843 |
| Random U.S. State Capitals on a Map | 0 | - | 4.92 | 104,836 |
| Melbourne Suburbs | 0 | - | 4.86 | 54,472 |
| Countries that Visit the UK the Most | 0 | - | 4.88 | 75,968 |
| Biggest Cities in Germany - Extreme | 0 | - | 4.78 | 47,101 |
| Biggest Cities in Germany | 0 | - | 4.95 | 295,547 |
| U.S. State Capitals Quiz | 0 | - | 5.00 | 1,700,034 |
| Most Guessed U.S. Cities | 0 | - | 4.89 | 107,151 |
| U.S. Cities with the Biggest Economies | 0 | - | 4.83 | 73,561 |
| Most Guessed Asian Capitals | 0 | - | 4.51 | 66,049 |
| Which City in Europe? | 0 | - | 4.83 | 107,975 |
| Commonwealth of Nations Countries | 0 | - | 4.95 | 238,547 |
| Modern Day Countries of Austria-Hungary on a Map | 0 | - | 4.98 | 104,931 |
| 100 Biggest Cities in Germany on a Map | 0 | - | 4.92 | 100,269 |
| North American Sports Cities | 0 | - | 4.82 | 173,259 |
| Summer Olympic City Bids | 0 | - | 4.94 | 42,590 |
| European Cities by Map #2 | 0 | - | 4.49 | 47,470 |
| European Cities by Map #1 | 0 | - | 4.69 | 55,911 |
| Asian Cities by Map #1 | 0 | - | 4.50 | 40,961 |
| 20 Northernmost English Cities | 0 | - | 4.49 | 23,897 |
| Cities Founded by the French in North America | 0 | - | 4.50 | 40,507 |
| Mediterranean Cities by Map | 0 | - | 4.51 | 51,237 |
| Cities with the Most Metro Rail Stations | 0 | - | 4.89 | 103,026 |
| Cities in Squares on a Map - Europe | 0 | - | 4.69 | 54,579 |
| Name a Valid World City | 0 | - | 4.85 | 72,101 |
| Cities by Former Name | 0 | - | 4.83 | 92,156 |
| Capitals in their Native Languages | 0 | - | 4.95 | 133,967 |
| Nearest Capital City #1 | 0 | - | 4.83 | 58,026 |
| Capitals Furthest from the Border | 0 | - | 4.96 | 69,938 |
| World Capitals by Map | 0 | - | 5.00 | 289,797 |
| Capital Cities in a Ring of the World Map | 0 | - | 4.95 | 58,899 |
| Random Capital to Country | 0 | - | 4.99 | 2,603,476 |
| Random Country to Capital | 0 | - | 4.98 | 929,531 |
| Capitals Starting With H | 0 | - | 4.91 | 93,409 |
| Capitals Starting With K | 0 | - | 4.88 | 84,483 |
| Capitals Starting With L | 0 | - | 4.81 | 96,040 |
| Capitals Starting With M | 0 | - | 4.94 | 109,318 |
| Capitals Starting With P | 0 | - | 4.88 | 79,095 |
| Capitals Starting With R | 0 | - | 4.88 | 82,576 |
| Capitals Starting With S | 0 | - | 4.90 | 86,666 |
| Capitals Starting With T | 0 | - | 4.86 | 76,918 |
| Capitals Starting With W | 0 | - | 4.87 | 91,778 |
| Capitals Starting With A | 0 | - | 4.97 | 129,233 |
| Capitals Starting With B | 0 | - | 4.89 | 119,607 |
| Capitals Starting With D | 0 | - | 4.94 | 97,289 |
| Speed Capital to U.S. State | 0 | - | 4.46 | 114,652 |
| 10 Southernmost U.S. State Capitals | 0 | - | 4.51 | 39,188 |
| 10 Northernmost U.S. State Capitals | 0 | - | 4.57 | 35,909 |
| 10 Easternmost U.S. State Capitals | 0 | - | 4.50 | 34,812 |
| Biggest Trading Partners - Germany | 0 | - | 4.97 | 72,085 |
| Single Vowel Capitals | 0 | - | 4.83 | 14,755 |
| Most Populous World Capitals | 0 | - | 4.94 | 176,813 |
| U.S. Cities with the Most Skyscrapers | 0 | - | 4.89 | 95,817 |
| Most Guessed Cities by Country #3 | 0 | - | 4.89 | 47,029 |
| Summer Olympics Host Cities | 0 | - | 4.98 | 216,708 |
| Cities with the Biggest Economies | 0 | - | 4.91 | 131,777 |
| Five Most Guessed Cities by Continent | 0 | - | 4.96 | 113,666 |
| Former Capitals | 0 | - | 4.88 | 71,717 |
| India State Capitals Quiz | 0 | - | 4.28 | 59,964 |
| Capital Cities Chain | 0 | - | 4.84 | 83,486 |
| Solve the Secret Capital City | 0 | - | 4.81 | 164,669 |
| World Capitals by First Two Letters in 90 Seconds | 0 | - | 4.35 | 246,909 |
| Coldest World Capitals | 0 | - | 4.95 | 134,238 |
| Capital Cities with Spanish Names | 0 | - | 4.90 | 78,230 |
| Name a Valid Capital #1 | 0 | - | 4.96 | 91,683 |
| Which City in Canada? | 0 | - | 4.83 | 57,396 |
| City of Liverpool Quiz | 0 | - | 4.38 | 12,722 |
| Countries of Europe in 1650 with a Map | 0 | - | 4.95 | 70,671 |
| 100 Biggest Cities in Europe with a Map | 0 | - | 4.97 | 349,196 |
| Biggest City by Body of Water | 0 | - | 4.51 | 40,334 |
| Southernmost Major Cities | 0 | - | 4.48 | 57,771 |
| U.S. City Prefixes and Suffixes | 0 | - | 4.48 | 73,140 |
| Cities with the Most Foreign Embassies | 0 | - | 4.69 | 47,238 |
| Southernmost Major Cities in the U.S. | 0 | - | 4.43 | 36,715 |
| North America Cities by Map | 0 | - | 4.41 | 47,969 |
| Random European City to Country | 0 | - | 4.69 | 118,521 |
| Random Asian City to Country | 0 | - | 4.56 | 44,629 |
| U.S. Cities With Spanish Names | 0 | - | 4.94 | 23,944 |
| Word Puzzles - U.S. State Capitals | 0 | - | 4.63 | 34,887 |
| U.S. State Capitals Where it Doesn't Snow | 0 | - | 4.56 | 51,443 |
| Top 10 Most Remote U.S. State Capitals | 0 | - | 4.41 | 32,327 |
| Top 10 Oldest U.S. State Capitals | 0 | - | 4.55 | 32,274 |
| U.S. State Capital Etymology | 0 | - | 4.53 | 37,122 |
| Name a Valid U.S. State Capital #1 | 0 | - | 4.75 | 54,749 |
| U.S. State Capitals Closest to Canada | 0 | - | 4.64 | 34,094 |
| US States and State Capitals | 0 | - | 4.99 | 165,826 |
| Geography of Rome | 0 | - | 4.51 | 16,721 |
| Paris City Trivia | 0 | - | 4.31 | 35,637 |
| Venice Trivia | 0 | - | 4.45 | 10,499 |
| Milan Trivia | 0 | - | 4.56 | 15,218 |
| Berlin City Trivia | 0 | - | 4.67 | 13,331 |
| Amsterdam Trivia | 0 | - | 4.46 | 15,870 |
| Rome City Trivia | 0 | - | 4.49 | 20,740 |
| Top 10 Most Populous Asian Countries | 0 | - | 4.97 | 185,385 |
| Top 10 Most Populous African Countries | 0 | - | 4.99 | 195,219 |
| Top 10 Most Densely-Populated Countries in Asia | 0 | - | 4.93 | 105,050 |
| Top 10 Asian Countries by Population Increase | 0 | - | 4.93 | 108,957 |
| U.S Cities by African-American Population | 0 | - | 4.42 | 95,641 |
| South American Cities on the Map | 0 | - | 4.52 | 35,572 |
| Southeast Asian Cities by Map | 0 | - | 4.63 | 26,812 |
| 1M Cities by Proximity - United States | 0 | - | 4.63 | 151,936 |
| Biggest Cities in a Strip of the United States Map | 0 | - | 4.74 | 41,267 |
| Divided World City Name Puzzle #1 | 0 | - | 4.84 | 49,447 |
| Cities on Route 66 on a Map | 0 | - | 4.53 | 33,339 |
