| Random European Capital to Country | 0 | - | 4.98 | 192,050 |
| Random European Country to Capital | 0 | - | 4.93 | 165,816 |
| Random Asian Country to Capital | 0 | - | 4.92 | 96,950 |
| Random Asian Capital to Country | 0 | - | 4.97 | 103,367 |
| Random African Capital to Country | 0 | - | 4.97 | 101,278 |
| Random African Country to Capital | 0 | - | 4.95 | 71,709 |
| Countries by Capitals and Borders in 90 Seconds | 0 | - | 4.83 | 227,812 |
| Five Most Inland Capital Cities by Continent | 0 | - | 4.92 | 13,629 |
| Name a Valid European Capital | 0 | - | 4.95 | 153,501 |
| Africa Capitals Quiz | 0 | - | 4.99 | 743,148 |
| Asia Capitals Quiz | 0 | - | 4.98 | 698,245 |
| Capitals of the Most Populated Countries | 0 | - | 4.96 | 128,392 |
| Nordic Countries and Capitals | 0 | - | 4.95 | 84,019 |
| Europe Capital to Country | 0 | - | 4.99 | 251,913 |
| Asia Capital to Country | 0 | - | 4.96 | 127,324 |
| EU Capitals with No Hints | 0 | - | 4.96 | 146,849 |
| European Capitals by Map | 0 | - | 4.99 | 141,921 |
| African Capitals by Map | 0 | - | 4.99 | 141,969 |
| Asian Capitals by Map | 0 | - | 4.98 | 63,841 |
| 10 Westernmost Capital Cities in Europe | 0 | - | 4.88 | 92,793 |
| 10 Northernmost Capital Cities in Europe | 0 | - | 4.96 | 85,111 |
| European Coastal Capitals | 0 | - | 4.95 | 91,240 |
| 10 Easternmost Capital Cities in Asia | 0 | - | 4.89 | 53,151 |
| Capitals of Oceania Quiz | 0 | - | 4.99 | 272,356 |
| Europe by Capitals and Borders in 30 Seconds | 0 | - | 4.88 | 225,621 |
| Capitals of Mediterranean Countries | 0 | - | 4.95 | 82,130 |
| Random African Capitals on a Map | 0 | - | 4.96 | 55,204 |
| Random Asian Capitals on a Map | 0 | - | 4.83 | 51,335 |
| Random European Capitals on a Map | 0 | - | 4.97 | 135,336 |
| World Capitals Quiz | 0 | - | 5.00 | 5,102,523 |
| South America Capitals Quiz | 0 | - | 5.00 | 484,628 |
| North America Capitals Quiz | 0 | - | 4.99 | 221,937 |
| African Capitals - Map Quiz | 0 | - | 4.94 | 63,174 |
| Top 10 Most Remote European Capitals | 0 | - | 4.87 | 94,532 |
| European Capitals - Map Quiz | 0 | - | 4.97 | 120,027 |
| Middle East Capital Cities Quiz | 0 | - | 4.96 | 88,351 |
| European Capitals Furthest from the Sea | 0 | - | 4.92 | 82,542 |
| Asian Capitals - Map Quiz | 0 | - | 4.95 | 61,888 |
| European Capitals Ending in N | 0 | - | 4.92 | 81,669 |
| Capitals of the Stans | 0 | - | 4.95 | 27,104 |
| Top 50 Countries by Population - In Order | 0 | - | 4.98 | 334,913 |
| Europe Capitals Quiz | 0 | - | 5.00 | 1,598,198 |
| Random State Capital to U.S. State | 0 | - | 4.85 | 89,781 |
| Capitals of Canadian Provinces | 0 | - | 4.85 | 89,605 |
| European Capital Superlatives - Top 2 | 0 | - | 4.95 | 81,519 |
| Biggest Countries by Population | 0 | - | 5.00 | 1,453,214 |
| Smallest Countries by Population and Area | 0 | - | 4.99 | 382,253 |
| Countries More Populous Than Their Neighbors | 0 | - | 4.99 | 174,989 |
| Countries with Megacities | 0 | - | 4.99 | 266,785 |
| Countries With More than 50 Million People | 0 | - | 4.99 | 200,685 |
| Countries with the Most Population Growth by Decade | 0 | - | 4.98 | 114,021 |
| Countries With More than 200 Million People | 0 | - | 4.95 | 138,994 |
| Countries Less Populous Than Their Neighbors | 0 | - | 4.96 | 82,142 |
| Global Cities on a World Map | 0 | - | 4.93 | 137,195 |
| Northernmost Capital Cities | 0 | - | 4.98 | 111,269 |
| Most Remote Capital Cities | 0 | - | 4.92 | 53,920 |
| Capital Cities: Ports and Saints | 0 | - | 4.96 | 46,139 |
| Capitals with the Shortest Names | 0 | - | 4.97 | 110,144 |
| Same Letter Country and Capital | 0 | - | 4.99 | 158,036 |
| Countries by Capital City | 0 | - | 5.00 | 69,272 |
| Capital Cities Based on First Two Letters | 0 | - | 4.85 | 77,793 |
| Capitals of the Largest Countries by Area | 0 | - | 4.96 | 115,172 |
| World Capitals by Proximity | 0 | - | 4.91 | 333,609 |
| South American Capitals - Map Quiz | 0 | - | 4.98 | 131,333 |
| Divided Capital Name Puzzle #1 | 0 | - | 4.99 | 84,755 |
| Most Guessed European Capitals | 0 | - | 4.87 | 101,792 |
| Word Scramble - European Capitals | 0 | - | 4.70 | 94,494 |
| Moved Capital Cities | 0 | - | 4.96 | 74,606 |
| Name a Valid Asian Capital | 0 | - | 4.53 | 61,972 |
| Random U.S. State Capitals on a Map | 0 | - | 4.92 | 104,642 |
| Countries by Sports League Revenue | 0 | - | 4.94 | 78,401 |
| Countries that Beat Australia | 0 | - | 4.92 | 93,391 |
| World Capitals Closest to Bangkok | 0 | - | 4.91 | 41,136 |
| US State Capitals Quiz - No Hints | 0 | - | 4.98 | 95,587 |
| 10 Westernmost U.S. State Capitals | 0 | - | 4.90 | 48,289 |
| Countries that Beat China | 0 | - | 4.85 | 116,663 |
| Five Most Densely Populated Countries by Continent | 0 | - | 4.96 | 87,275 |
| Five Most Populated Countries by Continent | 0 | - | 4.99 | 268,916 |
| Most Populous Countries with Exceptions | 0 | - | 4.98 | 122,594 |
| Top 10 Most Densely-Populated Countries in Europe | 0 | - | 4.98 | 112,859 |
| Five Least Densely Populated Countries by Continent | 0 | - | 4.90 | 94,158 |
| Countries by Population Range - Tile Select | 0 | - | 4.87 | 59,552 |
| North American Sports Cities | 0 | - | 4.83 | 173,069 |
| Summer Olympic City Bids | 0 | - | 4.94 | 42,541 |
| Cities with the Most Metro Rail Stations | 0 | - | 4.89 | 102,894 |
| Name a City - European Countries | 0 | - | 4.90 | 66,095 |
| Cities by Former Name | 0 | - | 4.83 | 91,998 |
| Capitals in their Native Languages | 0 | - | 4.95 | 133,663 |
| Nearest Capital City #1 | 0 | - | 4.83 | 57,951 |
| Capitals Furthest from the Border | 0 | - | 4.96 | 69,764 |
| World Capitals by Map | 0 | - | 5.00 | 289,135 |
| Capital Cities in a Ring of the World Map | 0 | - | 4.95 | 58,783 |
| Random Capital to Country | 0 | - | 4.99 | 2,600,414 |
| Random Country to Capital | 0 | - | 4.98 | 927,184 |
| Capitals Starting With H | 0 | - | 4.91 | 93,282 |
| Capitals Starting With K | 0 | - | 4.89 | 84,351 |
| Capitals Starting With M | 0 | - | 4.94 | 109,088 |
| Capitals Starting With P | 0 | - | 4.88 | 78,950 |
| Capitals Starting With R | 0 | - | 4.88 | 82,462 |
| Capitals Starting With S | 0 | - | 4.90 | 86,517 |
| Capitals Starting With T | 0 | - | 4.85 | 76,790 |
| Capitals Starting With W | 0 | - | 4.87 | 91,704 |
| Capitals Starting With A | 0 | - | 4.97 | 129,028 |
| Capitals Starting With B | 0 | - | 4.89 | 119,427 |
| Capitals Starting With D | 0 | - | 4.94 | 97,144 |
| U.S. State Capitals Map Quiz | 0 | - | 4.93 | 150,782 |
| Countries That Use the Euro | 0 | - | 4.95 | 106,601 |
| Olympic Host Countries | 0 | - | 4.98 | 201,844 |
| Landlocked Countries in Africa | 0 | - | 4.99 | 47,767 |
| 10 Easternmost Countries in Europe | 0 | - | 4.87 | 116,978 |
| Ten Highest Ranking FIFA Countries by Year | 0 | - | 4.95 | 313,427 |
| The Only European Country ... | 0 | - | 4.91 | 218,755 |
| Mediterranean Countries Quiz | 0 | - | 4.99 | 213,765 |
| European Countries NOT in NATO | 0 | - | 4.91 | 62,393 |
| Countries with Territorial Claims in Antarctica | 0 | - | 4.94 | 92,886 |
| Countries of Africa | 0 | - | 5.00 | 2,557,116 |
| Single Vowel Capitals | 0 | - | 4.83 | 14,712 |
| Countries of Europe by Population | 0 | - | 4.98 | 182,744 |
| Most Populous Countries by Year | 0 | - | 4.83 | 111,321 |
| Most Populated Countries Bordering the Pacific Ocean | 0 | - | 4.97 | 95,878 |
| Most Populous Countries Bordering Each Other | 0 | - | 4.97 | 131,264 |
| Countries with the Most People Bordering Them | 0 | - | 4.98 | 108,597 |
| Populous Countries Bordering Smaller Countries | 0 | - | 4.97 | 113,700 |
| Densest Countries Bordering Each Other | 0 | - | 4.93 | 90,835 |
| Countries with a Population Under 1 Million by Clue | 0 | - | 4.99 | 93,168 |
| Most Populous World Capitals | 0 | - | 4.94 | 176,628 |
| Most Populous Countries in 2050 | 0 | - | 4.91 | 223,722 |
| First Countries to Reach 5 Million People | 0 | - | 4.93 | 135,834 |
| Most Populous Modern-Day Countries in 1000 AD | 0 | - | 4.88 | 76,485 |
| Most Populous Modern-Day Countries in 1 AD | 0 | - | 4.98 | 93,149 |
| Most Populous Modern-Day Countries in 1800 AD | 0 | - | 4.93 | 67,487 |
| Most Populous Modern-Day Countries in 1500 AD | 0 | - | 4.93 | 73,839 |
| Most Populous Modern-Day Countries by Century | 0 | - | 4.98 | 97,713 |
| U.S. Cities with the Most Skyscrapers | 0 | - | 4.89 | 95,763 |
| 15 Largest Cities in Africa With a Map | 0 | - | 4.96 | 111,390 |
| Most Guessed Cities by Country #3 | 0 | - | 4.89 | 46,842 |
| Summer Olympics Host Cities | 0 | - | 4.98 | 216,337 |
| Most-Visited Cities in Europe | 0 | - | 4.83 | 75,971 |
| Cities with the Biggest Economies | 0 | - | 4.91 | 131,612 |
| Five Most Guessed Cities by Continent | 0 | - | 4.96 | 113,521 |
| Former Capitals | 0 | - | 4.88 | 71,653 |
| Capital Cities Chain | 0 | - | 4.84 | 83,304 |
| Coldest World Capitals | 0 | - | 4.95 | 134,125 |
| Capital Cities with Spanish Names | 0 | - | 4.90 | 78,077 |
| Europe Capitals - One Minute Sprint | 0 | - | 4.40 | 201,789 |
| Random Countries and Capitals without Vowels | 0 | - | 4.61 | 22,190 |
| Name a Valid Capital #1 | 0 | - | 4.96 | 91,501 |
| Which City In the United Kingdom? | 0 | - | 4.97 | 94,726 |
| Countries of Europe - One Minute Sprint | 0 | - | 4.94 | 1,334,963 |
| Top 10 Languages Spoken in Europe | 0 | - | 4.96 | 220,558 |
| Countries of the Middle East | 0 | - | 4.96 | 202,478 |
| Countries with Territory in the Balkans | 0 | - | 4.96 | 90,094 |
| Slavic Countries | 0 | - | 4.96 | 112,301 |
| African Island Countries | 0 | - | 4.96 | 102,374 |
| Straight Shot to Antarctica | 0 | - | 4.94 | 43,144 |
| Countries of Europe in 1650 with a Map | 0 | - | 4.95 | 70,260 |
| All Countries Never To Qualify For A FIFA World Cup | 0 | - | 4.83 | 52,945 |
| Countries with the Highest Population Density | 0 | - | 4.95 | 165,582 |
| Countries with the Lowest Population Density | 0 | - | 4.98 | 170,846 |
| Countries of North America Quiz | 0 | - | 5.00 | 1,030,433 |
| Countries of Asia with Two or More Words | 0 | - | 4.96 | 127,729 |
| Asian Countries Ending in "IA" | 0 | - | 4.96 | 108,251 |
| African Countries with the Shortest Names | 0 | - | 4.98 | 154,498 |
| Five Top Olympic Medal-Winning Countries by Continent | 0 | - | 4.96 | 145,092 |
| Top 10 Biggest African Countries by Area | 0 | - | 4.99 | 218,246 |
| 10 Biggest European Countries by Area | 0 | - | 4.99 | 193,418 |
| 10 Biggest Asian Countries by Area | 0 | - | 4.97 | 154,462 |
| 10 Biggest American Countries by Area | 0 | - | 4.95 | 112,926 |
| Top 10 Most Populous American Countries | 0 | - | 4.96 | 144,735 |
| 10 Westernmost Countries in Europe | 0 | - | 4.96 | 151,969 |
| 10 Southernmost Countries in Africa | 0 | - | 4.98 | 117,410 |
| 10 Northernmost Countries in Africa | 0 | - | 4.98 | 162,195 |
| 10 Southernmost Countries in Asia | 0 | - | 4.97 | 99,833 |
| 10 Easternmost Countries in Asia | 0 | - | 4.99 | 109,087 |
| Top 10 Smallest African Countries by Area | 0 | - | 4.96 | 34,060 |
| Biggest City by Body of Water | 0 | - | 4.51 | 40,315 |
| Southernmost Major Cities | 0 | - | 4.48 | 57,693 |
| U.S. City Prefixes and Suffixes | 0 | - | 4.48 | 73,079 |
| Cities with the Most Foreign Embassies | 0 | - | 4.69 | 47,219 |
| U.S. Cities With Spanish Names | 0 | - | 4.94 | 23,781 |
| Name a Valid U.S. State Capital #1 | 0 | - | 4.75 | 54,692 |
| Countries that Start with A | 0 | - | 4.98 | 2,174,277 |
| Countries that Start with B | 0 | - | 4.95 | 2,305,179 |
| Countries that Start with C | 0 | - | 4.96 | 1,830,439 |
| Countries that Start with D | 0 | - | 4.96 | 715,723 |
| Countries that Start with E | 0 | - | 4.95 | 1,384,237 |
| Countries that Start with G | 0 | - | 4.97 | 1,510,645 |
| Countries that Start with H | 0 | - | 4.96 | 609,062 |
| Countries that Start with I | 0 | - | 4.92 | 1,293,911 |
| Countries that Start with J | 0 | - | 4.98 | 606,463 |
| Countries that Start with K | 0 | - | 4.97 | 820,252 |
| Countries that Start with L | 0 | - | 4.98 | 1,096,143 |
| Countries that Start with N | 0 | - | 4.93 | 1,123,212 |
| Countries that Start with P | 0 | - | 4.94 | 1,221,414 |
| Countries that Start with S | 0 | - | 4.98 | 1,762,263 |
| Countries that Start with T | 0 | - | 4.90 | 1,014,409 |
| Countries that Start with U | 0 | - | 4.97 | 908,116 |
| Countries that Start with V | 0 | - | 4.98 | 611,719 |
| Countries that Start with F | 0 | - | 4.83 | 620,918 |
| Countries that Start with M | 0 | - | 4.97 | 1,387,542 |
