| Name a City - European Countries | 0 | - | 4.90 | 65,391 |
| European Capital Superlatives - Top 2 | 0 | - | 4.95 | 81,162 |
| Most-Visited Cities in Europe | 0 | - | 4.83 | 75,105 |
| Europe Capital to Country | 0 | - | 4.99 | 250,318 |
| EU Capitals with No Hints | 0 | - | 4.96 | 145,887 |
| European Capitals by Map | 0 | - | 4.99 | 139,183 |
| 10 Westernmost Capital Cities in Europe | 0 | - | 4.88 | 92,079 |
| 10 Northernmost Capital Cities in Europe | 0 | - | 4.96 | 84,429 |
| European Coastal Capitals | 0 | - | 4.95 | 90,609 |
| Most Guessed European Capitals | 0 | - | 4.87 | 101,523 |
| Europe by Capitals and Borders in 30 Seconds | 0 | - | 4.88 | 224,070 |
| Official Cities in the UK | 0 | - | 4.89 | 283,775 |
| Top 10 Most Remote European Capitals | 0 | - | 4.87 | 94,042 |
| European Capitals Furthest from the Sea | 0 | - | 4.92 | 82,179 |
| European Capitals Ending in N | 0 | - | 4.92 | 81,293 |
| European Capitals with the Least Sunshine | 0 | - | 4.46 | 50,349 |
| British Cities with the Most Tourists | 0 | - | 4.83 | 70,152 |
| 100 Biggest Cities and Towns in the UK | 0 | - | 4.98 | 147,700 |
| Name a Valid European Capital | 0 | - | 4.95 | 152,394 |
| Top 10 Coldest European Countries | 0 | - | 4.94 | 193,128 |
| Top 10 Hottest European Countries | 0 | - | 4.88 | 127,026 |
| Africa Capitals Quiz | 0 | - | 4.99 | 737,740 |
| Asia Capitals Quiz | 0 | - | 4.98 | 692,949 |
| Countries of Europe by Population | 0 | - | 4.98 | 180,817 |
| 15 Largest Cities in Africa With a Map | 0 | - | 4.95 | 110,690 |
| Most Guessed U.S. Cities | 0 | - | 4.89 | 106,043 |
| U.S. Cities with the Biggest Economies | 0 | - | 4.84 | 72,819 |
| European Cities with the Biggest Economies | 0 | - | 4.61 | 38,437 |
| World Capitals Quiz | 0 | - | 5.00 | 5,074,054 |
| Asia Capital to Country | 0 | - | 4.96 | 126,668 |
| African Capitals by Map | 0 | - | 4.99 | 133,797 |
| Asian Capitals by Map | 0 | - | 4.98 | 62,410 |
| 10 Easternmost Capital Cities in Asia | 0 | - | 4.89 | 52,589 |
| Capitals of Oceania Quiz | 0 | - | 4.99 | 270,032 |
| Capitals of Mediterranean Countries | 0 | - | 4.95 | 81,833 |
| Random European Capitals on a Map | 0 | - | 4.97 | 134,715 |
| Which City in Europe? | 0 | - | 4.83 | 107,397 |
| Top 10 Most Populous European Countries | 0 | - | 4.97 | 232,905 |
| Cities in European History #1 | 0 | - | 4.63 | 134,009 |
| European Cities by Map #2 | 0 | - | 4.49 | 47,346 |
| European Cities by Map #1 | 0 | - | 4.67 | 55,752 |
| Divided World City Name Puzzle #1 | 0 | - | 4.87 | 48,779 |
| Cities in Squares on a Map - Europe | 0 | - | 4.70 | 53,827 |
| Divided World City Name Puzzle #2 | 0 | - | 4.84 | 37,030 |
| All 1M+ Cities in Africa on a Map | 0 | - | 4.93 | 26,504 |
| South America Capitals Quiz | 0 | - | 5.00 | 481,464 |
| North America Capitals Quiz | 0 | - | 4.99 | 219,822 |
| African Capitals - Map Quiz | 0 | - | 4.94 | 62,488 |
| European Capitals - Map Quiz | 0 | - | 4.97 | 119,276 |
| Middle East Capital Cities Quiz | 0 | - | 4.96 | 87,843 |
| Capitals of Countries with the Biggest Economies | 0 | - | 4.93 | 95,162 |
| Asian Capitals - Map Quiz | 0 | - | 4.95 | 61,379 |
| Monarchies of Europe | 0 | - | 4.90 | 98,161 |
| Capitals of the Stans | 0 | - | 4.95 | 26,846 |
| Europe Capitals Quiz | 0 | - | 5.00 | 1,586,501 |
| Which City In the United Kingdom? | 0 | - | 4.97 | 94,254 |
| Europe Map Quiz | 0 | - | 5.00 | 4,763,427 |
| Random European City to Country | 0 | - | 4.69 | 117,673 |
| Most-Visited U.S. Cities | 0 | - | 4.85 | 93,843 |
| Every U.S. Metro Area on a Map | 0 | - | 4.97 | 81,801 |
| Capitals of Canadian Provinces | 0 | - | 4.85 | 89,105 |
| Category Elimination - Capital Cities #1 | 0 | - | 4.88 | 133,041 |
| Category Elimination - Capital Cities #2 | 0 | - | 4.89 | 80,512 |
| Top 10 Biggest Economies in Europe | 0 | - | 4.98 | 199,427 |
| Top 10 Coldest Asian Countries | 0 | - | 4.95 | 122,970 |
| UK Cities and Towns by Map | 0 | - | 4.48 | 46,526 |
| Global Cities on a World Map | 0 | - | 4.93 | 136,134 |
| Cities in the United Kingdom by Proximity | 0 | - | 4.63 | 48,359 |
| German Cities with the Most Tourists | 0 | - | 4.77 | 48,834 |
| Northernmost Capital Cities | 0 | - | 4.98 | 110,253 |
| Most Remote Capital Cities | 0 | - | 4.92 | 53,404 |
| Capital Cities: Ports and Saints | 0 | - | 4.96 | 45,495 |
| Capitals with the Shortest Names | 0 | - | 4.97 | 109,230 |
| Same Letter Country and Capital | 0 | - | 4.99 | 157,003 |
| Countries by Capital City | 0 | - | 5.00 | 68,281 |
| Capital Cities Based on First Two Letters | 0 | - | 4.85 | 77,166 |
| Capitals of the Largest Countries by Area | 0 | - | 4.97 | 114,651 |
| World Capitals by Proximity | 0 | - | 4.91 | 331,441 |
| Divided Capital Name Puzzle #1 | 0 | - | 4.99 | 84,198 |
| Word Scramble - European Capitals | 0 | - | 4.70 | 94,189 |
| Moved Capital Cities | 0 | - | 4.96 | 74,212 |
| World Capitals with a Unique First Letter | 0 | - | 4.82 | 75,556 |
| U.S. State Capitals Quiz | 0 | - | 5.00 | 1,689,843 |
| U.S. Cities with the Least Precipitation | 0 | - | 4.42 | 12,456 |
| South American Capitals - Map Quiz | 0 | - | 4.98 | 130,492 |
| Nordic Countries and Capitals | 0 | - | 4.95 | 83,672 |
| Name a World Capital A-Z | 0 | - | 5.00 | 176,136 |
| Random European Capital to Country | 0 | - | 4.98 | 190,919 |
| Random European Country to Capital | 0 | - | 4.93 | 165,132 |
| Random Asian Country to Capital | 0 | - | 4.92 | 96,452 |
| Random Asian Capital to Country | 0 | - | 4.97 | 102,762 |
| Random African Capital to Country | 0 | - | 4.97 | 100,739 |
| Random African Country to Capital | 0 | - | 4.94 | 71,214 |
| U.S. State Capitals Where it Doesn't Snow | 0 | - | 4.56 | 51,229 |
| Melbourne Suburbs | 0 | - | 4.86 | 53,168 |
| European Cities by Wikipedia Descriptions | 0 | - | 4.42 | 54,763 |
| Category Elimination - European Countries #1 | 0 | - | 4.89 | 90,067 |
| Top 10 Richest Countries in Europe | 0 | - | 4.90 | 149,742 |
| Biggest Trading Partners - European Union | 0 | - | 4.91 | 72,819 |
| Capitals of the Most Populated Countries | 0 | - | 4.96 | 127,895 |
| North American Sports Cities | 0 | - | 4.83 | 172,385 |
| Summer Olympic City Bids | 0 | - | 4.93 | 42,318 |
| Word Scramble - U.K. Cities | 0 | - | 4.57 | 64,943 |
| 20 Northernmost English Cities | 0 | - | 4.49 | 23,841 |
| 10 Westernmost Major Cities in Europe | 0 | - | 4.40 | 23,725 |
| U.S. Cities with the Highest Murder Rate | 0 | - | 4.55 | 138,363 |
| Cities with the Most Metro Rail Stations | 0 | - | 4.89 | 102,397 |
| Name a Valid World City | 0 | - | 4.83 | 71,205 |
| Cities by Former Name | 0 | - | 4.83 | 91,576 |
| Richest Metro Areas in the U.S. | 0 | - | 4.42 | 43,740 |
| Capitals in their Native Languages | 0 | - | 4.95 | 133,397 |
| Nearest Capital City #1 | 0 | - | 4.83 | 57,658 |
| World Capitals Closest to Bangkok | 0 | - | 4.91 | 41,000 |
| Most Guessed Asian Capitals | 0 | - | 4.51 | 65,909 |
| Capitals Furthest from the Border | 0 | - | 4.96 | 69,213 |
| World Capitals by Map | 0 | - | 5.00 | 286,474 |
| Capital Cities in a Ring of the World Map | 0 | - | 4.95 | 58,318 |
| Random Capital to Country | 0 | - | 4.99 | 2,591,505 |
| Random African Capitals on a Map | 0 | - | 4.96 | 54,832 |
| Random Asian Capitals on a Map | 0 | - | 4.83 | 50,999 |
| Random Country to Capital | 0 | - | 4.98 | 920,610 |
| Capitals Starting With H | 0 | - | 4.91 | 92,553 |
| Capitals Starting With K | 0 | - | 4.88 | 83,510 |
| Capitals Starting With L | 0 | - | 4.81 | 88,087 |
| Capitals Starting With M | 0 | - | 4.93 | 107,794 |
| Capitals Starting With P | 0 | - | 4.88 | 78,207 |
| Capitals Starting With R | 0 | - | 4.87 | 81,829 |
| Capitals Starting With S | 0 | - | 4.90 | 85,785 |
| Capitals Starting With T | 0 | - | 4.85 | 76,175 |
| Capitals Starting With W | 0 | - | 4.87 | 91,307 |
| Capitals Starting With A | 0 | - | 4.97 | 127,920 |
| Capitals Starting With B | 0 | - | 4.89 | 118,479 |
| Capitals Starting With D | 0 | - | 4.93 | 96,442 |
| US State Capitals Quiz - No Hints | 0 | - | 4.98 | 95,168 |
| 10 Westernmost U.S. State Capitals | 0 | - | 4.90 | 48,139 |
| European Cities by Clue | 0 | - | 4.70 | 89,054 |
| Boroughs of London | 0 | - | 4.63 | 87,909 |
| London Geography | 0 | - | 4.47 | 59,678 |
| Countries That Use the Euro | 0 | - | 4.95 | 105,057 |
| 10 Easternmost Countries in Europe | 0 | - | 4.89 | 115,272 |
| The Only European Country ... | 0 | - | 4.91 | 216,666 |
| European Countries NOT in NATO | 0 | - | 4.90 | 61,155 |
| Europe Cities Map Quiz | 0 | - | 4.99 | 364,503 |
| Single Vowel Capitals | 0 | - | 4.81 | 14,460 |
| Asian Cities by Map #1 | 0 | - | 4.50 | 40,886 |
| Cities Founded by the French in North America | 0 | - | 4.50 | 40,403 |
| Mediterranean Cities by Map | 0 | - | 4.51 | 51,126 |
| World Capitals Closest to Madrid | 0 | - | 4.50 | 42,415 |
| U.S. State Capitals Map Quiz | 0 | - | 4.93 | 144,573 |
| Zone 1 London Underground Stations - With a Map | 0 | - | 4.90 | 52,357 |
| Top 10 Coldest U.S. States | 0 | - | 4.94 | 124,655 |
| Top 10 Hottest U.S. States | 0 | - | 4.86 | 125,661 |
| Top 10 U.S. States with the Least Precipitation | 0 | - | 4.82 | 61,909 |
| Flags of Europe Quiz | 0 | - | 4.99 | 1,244,349 |
| Biggest City by Body of Water | 0 | - | 4.51 | 40,243 |
| Southernmost Major Cities | 0 | - | 4.48 | 57,391 |
| U.S. City Prefixes and Suffixes | 0 | - | 4.48 | 72,867 |
| European Cities A-Z by Clue #1 | 0 | - | 4.25 | 78,885 |
| Cities with the Most Foreign Embassies | 0 | - | 4.68 | 47,142 |
| Southernmost Major Cities in the U.S. | 0 | - | 4.43 | 36,589 |
| U.S. Cities with the Most Skyscrapers | 0 | - | 4.89 | 95,559 |
| North America Cities by Map | 0 | - | 4.41 | 47,810 |
| Most Guessed Cities by Country #3 | 0 | - | 4.89 | 45,977 |
| Summer Olympics Host Cities | 0 | - | 4.98 | 215,048 |
| Random Asian City to Country | 0 | - | 4.56 | 44,536 |
| Cities with the Biggest Economies | 0 | - | 4.90 | 130,892 |
| Five Most Guessed Cities by Continent | 0 | - | 4.96 | 112,800 |
| U.S. Cities With Spanish Names | 0 | - | 4.94 | 23,207 |
| Former Capitals | 0 | - | 4.88 | 71,458 |
| Capital Cities Chain | 0 | - | 4.84 | 82,743 |
| Coldest World Capitals | 0 | - | 4.95 | 133,565 |
| Capital Cities with Spanish Names | 0 | - | 4.90 | 77,570 |
| Europe Capitals - One Minute Sprint | 0 | - | 4.40 | 200,954 |
| Name a Valid Capital #1 | 0 | - | 4.96 | 90,902 |
| Countries and Capitals of the World With a Map | 0 | - | 5.00 | 67,189 |
| Snowiest U.S. State Capitals | 0 | - | 4.44 | 28,608 |
| Random State Capital to U.S. State | 0 | - | 4.84 | 89,046 |
| Hottest U.S. State Capitals | 0 | - | 4.77 | 29,201 |
| Coldest U.S. State Capitals | 0 | - | 4.63 | 23,881 |
| U.S. State Capitals with the Least Precipitation | 0 | - | 4.41 | 23,263 |
| Which City in Canada? | 0 | - | 4.83 | 57,075 |
| Countries of Europe - One Minute Sprint | 0 | - | 4.94 | 1,328,808 |
| Countries with the Most Christians | 0 | - | 4.92 | 143,225 |
| Top 10 Languages Spoken in Europe | 0 | - | 4.96 | 218,743 |
| Countries with Territory in the Balkans | 0 | - | 4.96 | 89,300 |
| Slavic Countries | 0 | - | 4.96 | 111,669 |
| Least Christian Countries with Exceptions | 0 | - | 4.90 | 88,241 |
| Countries of Europe in 1650 with a Map | 0 | - | 4.95 | 69,237 |
| 10 Biggest European Countries by Area | 0 | - | 4.99 | 192,678 |
| 10 Westernmost Countries in Europe | 0 | - | 4.96 | 151,216 |
| Countries Closest to Spain A-Z | 0 | - | 4.98 | 108,272 |
| Countries Closest to the United Kingdom A-Z | 0 | - | 4.96 | 190,880 |
| European Landmarks Map Quiz | 0 | - | 4.97 | 87,161 |
| Eastern Europe Map Quiz | 0 | - | 4.91 | 128,202 |
| Counties of England | 0 | - | 4.97 | 796,915 |
| European Secessionist Movements on a Map | 0 | - | 4.53 | 34,990 |
| Top 10 Most Populous Asian Countries | 0 | - | 4.97 | 183,863 |
| Top 10 Most Populous African Countries | 0 | - | 4.99 | 193,340 |
| Top 10 Most Densely-Populated Countries in Asia | 0 | - | 4.92 | 103,839 |
| Top 10 Asian Countries by Population Increase | 0 | - | 4.93 | 108,436 |
