| Five Most Inland Capital Cities by Continent | 0 | - | 4.91 | 12,951 |
| Countries by Capitals and Borders in 90 Seconds | 0 | - | 4.84 | 226,459 |
| Name a Valid European Capital | 0 | - | 4.95 | 152,237 |
| Capitals of the Most Populated Countries | 0 | - | 4.96 | 127,826 |
| Africa Capitals Quiz | 0 | - | 4.99 | 736,821 |
| Asia Capitals Quiz | 0 | - | 4.98 | 692,012 |
| Nordic Countries and Capitals | 0 | - | 4.95 | 83,616 |
| Random European Capital to Country | 0 | - | 4.98 | 190,771 |
| Random European Country to Capital | 0 | - | 4.93 | 164,952 |
| Random Asian Country to Capital | 0 | - | 4.92 | 96,365 |
| Random Asian Capital to Country | 0 | - | 4.97 | 102,683 |
| Random African Capital to Country | 0 | - | 4.97 | 100,647 |
| Random African Country to Capital | 0 | - | 4.94 | 71,165 |
| Countries of Europe - One Minute Sprint | 0 | - | 4.94 | 1,327,379 |
| World Capitals Quiz | 0 | - | 5.00 | 5,068,434 |
| Europe Capital to Country | 0 | - | 4.99 | 249,845 |
| Asia Capital to Country | 0 | - | 4.96 | 126,567 |
| EU Capitals with No Hints | 0 | - | 4.96 | 145,746 |
| European Capitals by Map | 0 | - | 4.99 | 138,892 |
| African Capitals by Map | 0 | - | 4.99 | 133,601 |
| Asian Capitals by Map | 0 | - | 4.98 | 62,220 |
| 10 Westernmost Capital Cities in Europe | 0 | - | 4.88 | 91,988 |
| 10 Northernmost Capital Cities in Europe | 0 | - | 4.96 | 84,331 |
| European Coastal Capitals | 0 | - | 4.95 | 90,497 |
| 10 Easternmost Capital Cities in Asia | 0 | - | 4.89 | 52,545 |
| Capitals of Oceania Quiz | 0 | - | 4.99 | 269,596 |
| Europe by Capitals and Borders in 30 Seconds | 0 | - | 4.88 | 223,780 |
| Capitals of Mediterranean Countries | 0 | - | 4.95 | 81,789 |
| Random African Capitals on a Map | 0 | - | 4.96 | 54,710 |
| Random Asian Capitals on a Map | 0 | - | 4.83 | 50,954 |
| Random European Capitals on a Map | 0 | - | 4.97 | 134,599 |
| South America Capitals Quiz | 0 | - | 5.00 | 480,968 |
| North America Capitals Quiz | 0 | - | 4.99 | 219,439 |
| African Capitals - Map Quiz | 0 | - | 4.93 | 62,383 |
| Top 10 Most Remote European Capitals | 0 | - | 4.87 | 93,965 |
| European Capitals - Map Quiz | 0 | - | 4.97 | 119,141 |
| Middle East Capital Cities Quiz | 0 | - | 4.96 | 87,779 |
| European Capitals Furthest from the Sea | 0 | - | 4.92 | 82,138 |
| Asian Capitals - Map Quiz | 0 | - | 4.95 | 61,245 |
| European Capitals Ending in N | 0 | - | 4.92 | 81,236 |
| Asian Countries with the Shortest Names | 0 | - | 4.97 | 135,189 |
| Capitals of the Stans | 0 | - | 4.95 | 26,806 |
| Top 50 Countries by Population - In Order | 0 | - | 4.98 | 329,651 |
| Europe Capitals Quiz | 0 | - | 5.00 | 1,584,624 |
| Random State Capital to U.S. State | 0 | - | 4.84 | 88,939 |
| Capitals of Canadian Provinces | 0 | - | 4.85 | 89,017 |
| Random Countries and Capitals without Vowels | 0 | - | 4.61 | 21,721 |
| European Capital Superlatives - Top 2 | 0 | - | 4.95 | 81,112 |
| Name a Valid European Country #1 | 0 | - | 4.99 | 260,557 |
| Name a Valid Asian Country | 0 | - | 4.98 | 120,905 |
| Name a Valid African Country | 0 | - | 4.98 | 153,943 |
| Name a Valid European Country #2 | 0 | - | 4.94 | 114,544 |
| Biggest Countries by Population | 0 | - | 5.00 | 1,444,448 |
| Smallest Countries by Population and Area | 0 | - | 4.99 | 380,015 |
| Countries More Populous Than Their Neighbors | 0 | - | 4.99 | 173,246 |
| Countries with Megacities | 0 | - | 4.99 | 262,365 |
| Countries With More than 50 Million People | 0 | - | 4.99 | 199,078 |
| Countries with the Most Population Growth by Decade | 0 | - | 4.98 | 113,110 |
| Countries With More than 200 Million People | 0 | - | 4.96 | 137,384 |
| Countries Less Populous Than Their Neighbors | 0 | - | 4.96 | 81,163 |
| Global Cities on a World Map | 0 | - | 4.93 | 135,995 |
| Northernmost Capital Cities | 0 | - | 4.98 | 110,112 |
| Most Remote Capital Cities | 0 | - | 4.92 | 53,314 |
| Capital Cities: Ports and Saints | 0 | - | 4.96 | 45,393 |
| Capitals with the Shortest Names | 0 | - | 4.97 | 109,108 |
| Same Letter Country and Capital | 0 | - | 4.99 | 156,838 |
| Countries by Capital City | 0 | - | 5.00 | 68,103 |
| Capital Cities Based on First Two Letters | 0 | - | 4.85 | 77,086 |
| Capitals of the Largest Countries by Area | 0 | - | 4.97 | 114,569 |
| World Capitals by Proximity | 0 | - | 4.91 | 331,005 |
| Divided Capital Name Puzzle #1 | 0 | - | 4.99 | 84,075 |
| Word Scramble - European Capitals | 0 | - | 4.70 | 94,119 |
| Moved Capital Cities | 0 | - | 4.96 | 74,125 |
| Name a Valid Asian Capital | 0 | - | 4.53 | 61,603 |
| World Capitals with a Unique First Letter | 0 | - | 4.82 | 75,498 |
| Countries by Sports League Revenue | 0 | - | 4.94 | 77,168 |
| South American Capitals - Map Quiz | 0 | - | 4.98 | 130,357 |
| Most Guessed European Capitals | 0 | - | 4.87 | 101,483 |
| Random U.S. State Capitals on a Map | 0 | - | 4.92 | 103,989 |
| Category Elimination - European Countries #1 | 0 | - | 4.89 | 89,941 |
| Countries that Beat Australia | 0 | - | 4.92 | 92,734 |
| Five Most Densely Populated Countries by Continent | 0 | - | 4.96 | 86,632 |
| Five Most Populated Countries by Continent | 0 | - | 4.99 | 267,595 |
| Most Populous Countries with Exceptions | 0 | - | 4.98 | 121,786 |
| Top 10 Most Densely-Populated Countries in Europe | 0 | - | 4.98 | 112,337 |
| Five Least Densely Populated Countries by Continent | 0 | - | 4.92 | 93,457 |
| Countries by Population Range - Tile Select | 0 | - | 4.87 | 59,010 |
| Resort Towns by Country | 0 | - | 4.30 | 40,010 |
| North American Sports Cities | 0 | - | 4.83 | 172,262 |
| Summer Olympic City Bids | 0 | - | 4.93 | 42,289 |
| Cities with the Most Metro Rail Stations | 0 | - | 4.89 | 102,317 |
| Name a City - European Countries | 0 | - | 4.90 | 65,301 |
| Cities by Former Name | 0 | - | 4.83 | 91,509 |
| Capitals in their Native Languages | 0 | - | 4.95 | 133,358 |
| Nearest Capital City #1 | 0 | - | 4.83 | 57,622 |
| World Capitals Closest to Bangkok | 0 | - | 4.91 | 40,980 |
| Capitals Furthest from the Border | 0 | - | 4.96 | 69,057 |
| World Capitals by Map | 0 | - | 5.00 | 286,018 |
| Capital Cities in a Ring of the World Map | 0 | - | 4.95 | 58,233 |
| Random Capital to Country | 0 | - | 4.99 | 2,589,677 |
| Random Country to Capital | 0 | - | 4.98 | 919,502 |
| Capitals Starting With H | 0 | - | 4.91 | 92,451 |
| Capitals Starting With K | 0 | - | 4.88 | 83,197 |
| Capitals Starting With L | 0 | - | 4.81 | 87,969 |
| Capitals Starting With M | 0 | - | 4.93 | 107,632 |
| Capitals Starting With P | 0 | - | 4.88 | 78,099 |
| Capitals Starting With R | 0 | - | 4.87 | 81,735 |
| Capitals Starting With S | 0 | - | 4.90 | 85,674 |
| Capitals Starting With T | 0 | - | 4.85 | 76,083 |
| Capitals Starting With W | 0 | - | 4.87 | 91,232 |
| Capitals Starting With A | 0 | - | 4.97 | 127,760 |
| Capitals Starting With B | 0 | - | 4.89 | 118,352 |
| Capitals Starting With D | 0 | - | 4.93 | 96,322 |
| US State Capitals Quiz - No Hints | 0 | - | 4.98 | 95,087 |
| 10 Westernmost U.S. State Capitals | 0 | - | 4.90 | 48,106 |
| Which City in Europe? | 0 | - | 4.83 | 107,316 |
| Countries That Use the Euro | 0 | - | 4.95 | 104,801 |
| Olympic Host Countries | 0 | - | 4.98 | 200,581 |
| Landlocked Countries in Africa | 0 | - | 4.99 | 46,740 |
| 10 Easternmost Countries in Europe | 0 | - | 4.89 | 115,077 |
| Ten Highest Ranking FIFA Countries by Year | 0 | - | 4.95 | 308,742 |
| The Only European Country ... | 0 | - | 4.91 | 216,342 |
| Mediterranean Countries Quiz | 0 | - | 4.99 | 212,025 |
| European Countries NOT in NATO | 0 | - | 4.90 | 60,968 |
| Countries with Territorial Claims in Antarctica | 0 | - | 4.94 | 92,624 |
| Countries of Africa | 0 | - | 5.00 | 2,533,786 |
| Countries that Beat the United States | 0 | - | 4.93 | 166,876 |
| Countries that Beat China | 0 | - | 4.86 | 115,659 |
| Countries that Beat Russia | 0 | - | 4.81 | 82,619 |
| Countries that Beat Spain | 0 | - | 4.94 | 62,871 |
| Countries that Beat Indonesia | 0 | - | 4.86 | 55,811 |
| Countries that Beat Canada | 0 | - | 4.90 | 93,044 |
| Countries that Beat Germany | 0 | - | 4.95 | 106,280 |
| Countries that Beat Italy | 0 | - | 4.85 | 54,416 |
| U.S. State Capitals Map Quiz | 0 | - | 4.93 | 143,982 |
| Countries of Europe by Population | 0 | - | 4.98 | 180,513 |
| Most Populous Countries by Year | 0 | - | 4.83 | 110,500 |
| Most Populated Countries Bordering the Pacific Ocean | 0 | - | 4.96 | 95,548 |
| Most Populous Countries Bordering Each Other | 0 | - | 4.97 | 130,334 |
| Countries with the Most People Bordering Them | 0 | - | 4.98 | 107,807 |
| Populous Countries Bordering Smaller Countries | 0 | - | 4.97 | 113,077 |
| Densest Countries Bordering Each Other | 0 | - | 4.93 | 90,237 |
| Countries with a Population Under 1 Million by Clue | 0 | - | 4.99 | 92,860 |
| Most Populous World Capitals | 0 | - | 4.94 | 175,819 |
| Most Populous Countries in 2050 | 0 | - | 4.91 | 222,865 |
| First Countries to Reach 5 Million People | 0 | - | 4.92 | 135,184 |
| Most Populous Modern-Day Countries in 1000 AD | 0 | - | 4.88 | 76,141 |
| Most Populous Modern-Day Countries in 1 AD | 0 | - | 4.98 | 92,642 |
| Most Populous Modern-Day Countries in 1800 AD | 0 | - | 4.93 | 67,215 |
| Most Populous Modern-Day Countries in 1500 AD | 0 | - | 4.93 | 73,494 |
| Most Populous Modern-Day Countries by Century | 0 | - | 4.98 | 97,166 |
| Biggest City by Body of Water | 0 | - | 4.51 | 40,233 |
| Southernmost Major Cities | 0 | - | 4.48 | 57,349 |
| U.S. City Prefixes and Suffixes | 0 | - | 4.48 | 72,839 |
| Cities with the Most Foreign Embassies | 0 | - | 4.68 | 47,132 |
| U.S. Cities with the Most Skyscrapers | 0 | - | 4.89 | 95,535 |
| 15 Largest Cities in Africa With a Map | 0 | - | 4.95 | 110,555 |
| Most Guessed Cities by Country #3 | 0 | - | 4.89 | 45,887 |
| Summer Olympics Host Cities | 0 | - | 4.98 | 214,845 |
| Most-Visited Cities in Europe | 0 | - | 4.83 | 74,981 |
| Random European City to Country | 0 | - | 4.69 | 117,583 |
| Random Asian City to Country | 0 | - | 4.56 | 44,481 |
| Cities with the Biggest Economies | 0 | - | 4.90 | 130,802 |
| Five Most Guessed Cities by Continent | 0 | - | 4.96 | 112,744 |
| U.S. Cities With Spanish Names | 0 | - | 4.94 | 23,091 |
| Former Capitals | 0 | - | 4.88 | 71,417 |
| Capital Cities Chain | 0 | - | 4.83 | 82,643 |
| Coldest World Capitals | 0 | - | 4.95 | 133,520 |
| Capital Cities with Spanish Names | 0 | - | 4.90 | 77,478 |
| Europe Capitals - One Minute Sprint | 0 | - | 4.40 | 200,898 |
| Name a Valid Capital #1 | 0 | - | 4.96 | 90,798 |
| Which City In the United Kingdom? | 0 | - | 4.97 | 94,182 |
| Which City in Canada? | 0 | - | 4.82 | 57,024 |
| Top 10 Languages Spoken in Europe | 0 | - | 4.96 | 218,454 |
| Countries of the Middle East | 0 | - | 4.96 | 200,979 |
| Countries with Territory in the Balkans | 0 | - | 4.96 | 89,166 |
| Slavic Countries | 0 | - | 4.96 | 111,580 |
| African Island Countries | 0 | - | 4.96 | 101,532 |
| Straight Shot to Antarctica | 0 | - | 4.94 | 42,841 |
| Countries of Europe in 1650 with a Map | 0 | - | 4.95 | 68,997 |
| All Countries Never To Qualify For A FIFA World Cup | 0 | - | 4.83 | 46,838 |
| Countries with the Highest Population Density | 0 | - | 4.95 | 164,871 |
| Countries with the Lowest Population Density | 0 | - | 4.98 | 170,022 |
| Countries of North America Quiz | 0 | - | 5.00 | 1,022,022 |
| Countries of Asia with Two or More Words | 0 | - | 4.96 | 126,773 |
| Asian Countries Ending in "IA" | 0 | - | 4.96 | 107,409 |
| African Countries with the Shortest Names | 0 | - | 4.98 | 153,365 |
| Five Top Olympic Medal-Winning Countries by Continent | 0 | - | 4.96 | 144,019 |
| Top 10 Biggest African Countries by Area | 0 | - | 4.99 | 216,841 |
| 10 Biggest European Countries by Area | 0 | - | 4.99 | 192,565 |
| 10 Biggest Asian Countries by Area | 0 | - | 4.97 | 153,643 |
| 10 Biggest American Countries by Area | 0 | - | 4.95 | 112,569 |
| Top 10 Most Populous American Countries | 0 | - | 4.97 | 144,163 |
| 10 Westernmost Countries in Europe | 0 | - | 4.96 | 151,107 |
| 10 Southernmost Countries in Africa | 0 | - | 4.98 | 116,507 |
| 10 Northernmost Countries in Africa | 0 | - | 4.98 | 161,143 |
| 10 Southernmost Countries in Asia | 0 | - | 4.97 | 99,075 |
| 10 Easternmost Countries in Asia | 0 | - | 4.99 | 107,919 |
| Top 10 Smallest African Countries by Area | 0 | - | 4.96 | 33,195 |
| Countries that Beat Egypt | 0 | - | 4.88 | 56,957 |
