| Europe Capital to Country | 0 | - | 4.99 | 250,579 |
| EU Capitals with No Hints | 0 | - | 4.96 | 146,036 |
| European Capitals by Map | 0 | - | 4.99 | 139,578 |
| 10 Westernmost Capital Cities in Europe | 0 | - | 4.88 | 92,181 |
| 10 Northernmost Capital Cities in Europe | 0 | - | 4.96 | 84,525 |
| European Coastal Capitals | 0 | - | 4.95 | 90,701 |
| Europe by Capitals and Borders in 30 Seconds | 0 | - | 4.88 | 224,262 |
| Nordic Countries and Capitals | 0 | - | 4.95 | 83,728 |
| Top 10 Most Remote European Capitals | 0 | - | 4.87 | 94,121 |
| European Capitals - Map Quiz | 0 | - | 4.97 | 119,412 |
| European Capitals Furthest from the Sea | 0 | - | 4.92 | 82,234 |
| European Capitals Ending in N | 0 | - | 4.92 | 81,349 |
| Africa Capitals Quiz | 0 | - | 4.99 | 738,664 |
| Asia Capitals Quiz | 0 | - | 4.98 | 693,880 |
| British Cities with the Most Tourists | 0 | - | 4.83 | 70,258 |
| 100 Biggest Cities and Towns in the UK | 0 | - | 4.98 | 148,604 |
| Name a Valid European Capital | 0 | - | 4.95 | 152,541 |
| European Capital Superlatives - Top 2 | 0 | - | 4.95 | 81,227 |
| Asia Capital to Country | 0 | - | 4.96 | 126,750 |
| African Capitals by Map | 0 | - | 4.99 | 134,023 |
| Asian Capitals by Map | 0 | - | 4.98 | 62,538 |
| 10 Easternmost Capital Cities in Asia | 0 | - | 4.89 | 52,625 |
| Capitals of Oceania Quiz | 0 | - | 4.99 | 270,374 |
| Most Guessed European Capitals | 0 | - | 4.87 | 101,557 |
| Capitals of Mediterranean Countries | 0 | - | 4.95 | 81,877 |
| Random European Capital to Country | 0 | - | 4.98 | 191,050 |
| Random European Country to Capital | 0 | - | 4.93 | 165,270 |
| Official Cities in the UK | 0 | - | 4.89 | 284,171 |
| South America Capitals Quiz | 0 | - | 5.00 | 481,967 |
| North America Capitals Quiz | 0 | - | 4.99 | 220,216 |
| African Capitals - Map Quiz | 0 | - | 4.94 | 62,569 |
| Middle East Capital Cities Quiz | 0 | - | 4.96 | 87,918 |
| Asian Capitals - Map Quiz | 0 | - | 4.95 | 61,449 |
| Random European Capitals on a Map | 0 | - | 4.97 | 134,838 |
| Capitals of the Stans | 0 | - | 4.95 | 26,876 |
| Capitals of Canadian Provinces | 0 | - | 4.85 | 89,181 |
| Capitals of the Most Populated Countries | 0 | - | 4.96 | 127,965 |
| Name a City - European Countries | 0 | - | 4.90 | 65,491 |
| South American Capitals - Map Quiz | 0 | - | 4.98 | 130,611 |
| Random Asian Country to Capital | 0 | - | 4.92 | 96,524 |
| Random Asian Capital to Country | 0 | - | 4.97 | 102,840 |
| Random African Capital to Country | 0 | - | 4.97 | 100,796 |
| Random African Country to Capital | 0 | - | 4.94 | 71,322 |
| Countries of Europe by Population | 0 | - | 4.98 | 181,142 |
| UK Cities and Towns by Map | 0 | - | 4.48 | 46,553 |
| 15 Largest Cities in Africa With a Map | 0 | - | 4.95 | 110,831 |
| Most-Visited Cities in Europe | 0 | - | 4.83 | 75,248 |
| Cities in the United Kingdom by Proximity | 0 | - | 4.63 | 48,452 |
| World Capitals Closest to Bangkok | 0 | - | 4.91 | 41,022 |
| European Capitals with the Least Sunshine | 0 | - | 4.46 | 50,365 |
| Word Scramble - European Capitals | 0 | - | 4.70 | 94,246 |
| Random African Capitals on a Map | 0 | - | 4.96 | 54,887 |
| Random Asian Capitals on a Map | 0 | - | 4.83 | 51,033 |
| Countries and Capitals of the World With a Map | 0 | - | 5.00 | 67,517 |
| US State Capitals Quiz - No Hints | 0 | - | 4.98 | 95,234 |
| 10 Westernmost U.S. State Capitals | 0 | - | 4.90 | 48,156 |
| World Capitals Quiz | 0 | - | 5.00 | 5,078,862 |
| U.S. State Capitals Map Quiz | 0 | - | 4.93 | 144,741 |
| UK Cities Map Quiz | 0 | - | 4.96 | 464,862 |
| Top 10 Most Populous European Countries | 0 | - | 4.97 | 233,096 |
| Cities in European History #1 | 0 | - | 4.63 | 134,107 |
| Word Scramble - U.K. Cities | 0 | - | 4.57 | 64,956 |
| All 1M+ Cities in Africa on a Map | 0 | - | 4.93 | 26,590 |
| Five Most Inland Capital Cities by Continent | 0 | - | 4.92 | 13,254 |
| Countries by Capitals and Borders in 90 Seconds | 0 | - | 4.84 | 226,751 |
| Boroughs of London | 0 | - | 4.63 | 88,000 |
| London Geography | 0 | - | 4.47 | 59,701 |
| Europe Capitals Quiz | 0 | - | 5.00 | 1,588,567 |
| World Capitals Closest to Madrid | 0 | - | 4.50 | 42,423 |
| Random State Capital to U.S. State | 0 | - | 4.84 | 89,155 |
| Which City In the United Kingdom? | 0 | - | 4.97 | 94,341 |
| Most-Visited U.S. Cities | 0 | - | 4.85 | 94,031 |
| Every U.S. Metro Area on a Map | 0 | - | 4.97 | 81,893 |
| Europe Capitals - One Minute Sprint | 0 | - | 4.40 | 201,351 |
| UK Immigration by Country | 0 | - | 4.94 | 141,026 |
| Biggest Spanish Empire Countries | 0 | - | 4.91 | 116,133 |
| United Kingdom Country Quiz | 0 | - | 4.96 | 139,995 |
| Germany Cities Map Quiz | 0 | - | 4.87 | 126,476 |
| Modern-Day Countries of the British Empire in 1921 | 0 | - | 4.99 | 117,793 |
| Global Cities on a World Map | 0 | - | 4.93 | 136,311 |
| European Cities with the Biggest Economies | 0 | - | 4.61 | 38,462 |
| German Cities with the Most Tourists | 0 | - | 4.77 | 48,878 |
| Northernmost Capital Cities | 0 | - | 4.98 | 110,402 |
| Most Remote Capital Cities | 0 | - | 4.92 | 53,484 |
| Capital Cities: Ports and Saints | 0 | - | 4.96 | 45,594 |
| Capitals with the Shortest Names | 0 | - | 4.97 | 109,348 |
| Same Letter Country and Capital | 0 | - | 4.99 | 157,156 |
| Countries by Capital City | 0 | - | 5.00 | 68,457 |
| Capital Cities Based on First Two Letters | 0 | - | 4.85 | 77,260 |
| Capitals of the Largest Countries by Area | 0 | - | 4.97 | 114,737 |
| World Capitals by Proximity | 0 | - | 4.91 | 331,762 |
| Divided Capital Name Puzzle #1 | 0 | - | 4.99 | 84,307 |
| Asian Coastal Capitals | 0 | - | 4.52 | 22,194 |
| Moved Capital Cities | 0 | - | 4.96 | 74,277 |
| 10 Westernmost Capital Cities in Asia | 0 | - | 4.62 | 16,007 |
| Name a Valid Asian Capital | 0 | - | 4.53 | 61,690 |
| World Capitals with a Unique First Letter | 0 | - | 4.82 | 75,604 |
| Random U.S. State Capitals on a Map | 0 | - | 4.92 | 104,119 |
| Melbourne Suburbs | 0 | - | 4.86 | 53,391 |
| Countries that Visit the UK the Most | 0 | - | 4.87 | 75,241 |
| Biggest Cities in Germany - Extreme | 0 | - | 4.78 | 47,002 |
| Biggest Cities in Germany | 0 | - | 4.95 | 293,751 |
| U.S. State Capitals Quiz | 0 | - | 5.00 | 1,691,268 |
| Most Guessed U.S. Cities | 0 | - | 4.89 | 106,160 |
| U.S. Cities with the Biggest Economies | 0 | - | 4.83 | 72,900 |
| Most Guessed Asian Capitals | 0 | - | 4.51 | 65,923 |
| Which City in Europe? | 0 | - | 4.83 | 107,478 |
| Commonwealth of Nations Countries | 0 | - | 4.94 | 237,551 |
| Modern Day Countries of Austria-Hungary on a Map | 0 | - | 4.98 | 103,920 |
| 100 Biggest Cities in Germany on a Map | 0 | - | 4.92 | 98,962 |
| North American Sports Cities | 0 | - | 4.83 | 172,511 |
| Summer Olympic City Bids | 0 | - | 4.94 | 42,359 |
| European Cities by Map #2 | 0 | - | 4.49 | 47,366 |
| European Cities by Map #1 | 0 | - | 4.67 | 55,775 |
| Asian Cities by Map #1 | 0 | - | 4.50 | 40,890 |
| 20 Northernmost English Cities | 0 | - | 4.49 | 23,848 |
| Cities Founded by the French in North America | 0 | - | 4.50 | 40,417 |
| Mediterranean Cities by Map | 0 | - | 4.51 | 51,135 |
| Cities with the Most Metro Rail Stations | 0 | - | 4.89 | 102,465 |
| Cities in Squares on a Map - Europe | 0 | - | 4.70 | 53,923 |
| Name a Valid World City | 0 | - | 4.83 | 71,337 |
| Cities by Former Name | 0 | - | 4.83 | 91,633 |
| Capitals in their Native Languages | 0 | - | 4.95 | 133,435 |
| Nearest Capital City #1 | 0 | - | 4.83 | 57,711 |
| Capitals Furthest from the Border | 0 | - | 4.96 | 69,303 |
| World Capitals by Map | 0 | - | 5.00 | 287,022 |
| Capital Cities in a Ring of the World Map | 0 | - | 4.95 | 58,387 |
| Random Capital to Country | 0 | - | 4.99 | 2,592,954 |
| Random Country to Capital | 0 | - | 4.98 | 921,627 |
| Capitals Starting With H | 0 | - | 4.91 | 92,649 |
| Capitals Starting With K | 0 | - | 4.88 | 83,671 |
| Capitals Starting With L | 0 | - | 4.81 | 88,178 |
| Capitals Starting With M | 0 | - | 4.93 | 107,946 |
| Capitals Starting With P | 0 | - | 4.88 | 78,281 |
| Capitals Starting With R | 0 | - | 4.87 | 81,917 |
| Capitals Starting With S | 0 | - | 4.90 | 85,882 |
| Capitals Starting With T | 0 | - | 4.85 | 76,237 |
| Capitals Starting With W | 0 | - | 4.87 | 91,352 |
| Capitals Starting With A | 0 | - | 4.97 | 128,185 |
| Capitals Starting With B | 0 | - | 4.89 | 118,607 |
| Capitals Starting With D | 0 | - | 4.93 | 96,541 |
| Speed Capital to U.S. State | 0 | - | 4.45 | 114,070 |
| 10 Southernmost U.S. State Capitals | 0 | - | 4.51 | 39,064 |
| 10 Northernmost U.S. State Capitals | 0 | - | 4.57 | 35,789 |
| 10 Easternmost U.S. State Capitals | 0 | - | 4.50 | 34,701 |
| Biggest Trading Partners - Germany | 0 | - | 4.97 | 71,562 |
| Single Vowel Capitals | 0 | - | 4.81 | 14,505 |
| Most Populous World Capitals | 0 | - | 4.94 | 176,080 |
| U.S. Cities with the Most Skyscrapers | 0 | - | 4.89 | 95,589 |
| Most Guessed Cities by Country #3 | 0 | - | 4.89 | 46,078 |
| Summer Olympics Host Cities | 0 | - | 4.98 | 215,275 |
| Cities with the Biggest Economies | 0 | - | 4.90 | 130,993 |
| Five Most Guessed Cities by Continent | 0 | - | 4.96 | 112,879 |
| Former Capitals | 0 | - | 4.88 | 71,492 |
| India State Capitals Quiz | 0 | - | 4.28 | 59,723 |
| Capital Cities Chain | 0 | - | 4.83 | 82,835 |
| World Capitals by First Two Letters in 90 Seconds | 0 | - | 4.35 | 246,505 |
| Coldest World Capitals | 0 | - | 4.95 | 133,604 |
| Capital Cities with Spanish Names | 0 | - | 4.90 | 77,665 |
| Name a Valid Capital #1 | 0 | - | 4.96 | 91,006 |
| Which City in Canada? | 0 | - | 4.83 | 57,106 |
| City of Liverpool Quiz | 0 | - | 4.38 | 12,671 |
| Countries of Europe in 1650 with a Map | 0 | - | 4.95 | 69,420 |
| 100 Biggest Cities in Europe with a Map | 0 | - | 4.97 | 346,214 |
| Biggest City by Body of Water | 0 | - | 4.51 | 40,250 |
| Southernmost Major Cities | 0 | - | 4.48 | 57,428 |
| U.S. City Prefixes and Suffixes | 0 | - | 4.48 | 72,907 |
| Cities with the Most Foreign Embassies | 0 | - | 4.68 | 47,159 |
| Southernmost Major Cities in the U.S. | 0 | - | 4.43 | 36,602 |
| North America Cities by Map | 0 | - | 4.41 | 47,825 |
| Random European City to Country | 0 | - | 4.69 | 117,780 |
| Random Asian City to Country | 0 | - | 4.56 | 44,552 |
| U.S. Cities With Spanish Names | 0 | - | 4.94 | 23,299 |
| Word Puzzles - U.S. State Capitals | 0 | - | 4.63 | 34,756 |
| U.S. State Capitals Where it Doesn't Snow | 0 | - | 4.56 | 51,247 |
| Top 10 Oldest U.S. State Capitals | 0 | - | 4.55 | 32,102 |
| U.S. State Capital Etymology | 0 | - | 4.53 | 36,965 |
| Name a Valid U.S. State Capital #1 | 0 | - | 4.75 | 54,568 |
| U.S. State Capitals Closest to Canada | 0 | - | 4.64 | 33,986 |
| US States and State Capitals | 0 | - | 4.99 | 162,971 |
| Geography of Rome | 0 | - | 4.51 | 16,672 |
| Paris City Trivia | 0 | - | 4.31 | 35,560 |
| Venice Trivia | 0 | - | 4.45 | 10,471 |
| Milan Trivia | 0 | - | 4.56 | 15,185 |
| Berlin City Trivia | 0 | - | 4.67 | 13,234 |
| Amsterdam Trivia | 0 | - | 4.46 | 15,820 |
| Rome City Trivia | 0 | - | 4.49 | 20,680 |
| Top 10 Most Populous Asian Countries | 0 | - | 4.97 | 184,021 |
| Top 10 Most Populous African Countries | 0 | - | 4.99 | 193,486 |
| Top 10 Most Densely-Populated Countries in Asia | 0 | - | 4.92 | 104,164 |
| Top 10 Asian Countries by Population Increase | 0 | - | 4.93 | 108,496 |
| U.S Cities by African-American Population | 0 | - | 4.42 | 95,378 |
| South American Cities on the Map | 0 | - | 4.53 | 35,443 |
| Southeast Asian Cities by Map | 0 | - | 4.63 | 26,729 |
| 1M Cities by Proximity - United States | 0 | - | 4.63 | 150,710 |
| Biggest Cities in a Strip of the United States Map | 0 | - | 4.74 | 40,983 |
| Divided World City Name Puzzle #1 | 0 | - | 4.87 | 48,875 |
| Cities on Route 66 on a Map | 0 | - | 4.53 | 33,124 |
| Divided World City Name Puzzle #2 | 0 | - | 4.83 | 37,088 |
| Capitals A-Z #1 | 0 | - | 4.86 | 51,565 |
