| Five Most Inland Capital Cities by Continent | 0 | - | 4.92 | 13,572 |
| Countries by Capitals and Borders in 90 Seconds | 0 | - | 4.83 | 227,571 |
| Capitals of the Most Populated Countries | 0 | - | 4.96 | 128,329 |
| Africa Capitals Quiz | 0 | - | 4.99 | 742,563 |
| Asia Capitals Quiz | 0 | - | 4.98 | 697,684 |
| World Capitals Quiz | 0 | - | 5.00 | 5,098,911 |
| Europe Capital to Country | 0 | - | 4.99 | 251,745 |
| Asia Capital to Country | 0 | - | 4.96 | 127,263 |
| EU Capitals with No Hints | 0 | - | 4.96 | 146,744 |
| European Capitals by Map | 0 | - | 4.99 | 141,674 |
| African Capitals by Map | 0 | - | 4.99 | 141,756 |
| Asian Capitals by Map | 0 | - | 4.98 | 63,747 |
| 10 Westernmost Capital Cities in Europe | 0 | - | 4.88 | 92,708 |
| 10 Northernmost Capital Cities in Europe | 0 | - | 4.96 | 85,041 |
| European Coastal Capitals | 0 | - | 4.95 | 91,166 |
| 10 Easternmost Capital Cities in Asia | 0 | - | 4.89 | 53,102 |
| Capitals of Oceania Quiz | 0 | - | 4.99 | 272,039 |
| Europe by Capitals and Borders in 30 Seconds | 0 | - | 4.88 | 225,451 |
| Capitals of Mediterranean Countries | 0 | - | 4.95 | 82,089 |
| Nordic Countries and Capitals | 0 | - | 4.95 | 83,982 |
| Random European Capital to Country | 0 | - | 4.98 | 191,931 |
| Random European Country to Capital | 0 | - | 4.93 | 165,720 |
| Random Asian Country to Capital | 0 | - | 4.92 | 96,913 |
| Random Asian Capital to Country | 0 | - | 4.97 | 103,324 |
| Random African Capital to Country | 0 | - | 4.97 | 101,190 |
| Random African Country to Capital | 0 | - | 4.95 | 71,658 |
| Top 50 Countries by Population - In Order | 0 | - | 4.98 | 334,272 |
| Europe Capitals Quiz | 0 | - | 5.00 | 1,596,758 |
| South America Capitals Quiz | 0 | - | 5.00 | 484,237 |
| North America Capitals Quiz | 0 | - | 4.99 | 221,699 |
| African Capitals - Map Quiz | 0 | - | 4.94 | 63,092 |
| Top 10 Most Remote European Capitals | 0 | - | 4.87 | 94,452 |
| European Capitals - Map Quiz | 0 | - | 4.97 | 119,933 |
| Middle East Capital Cities Quiz | 0 | - | 4.96 | 88,292 |
| European Capitals Furthest from the Sea | 0 | - | 4.92 | 82,491 |
| Asian Capitals - Map Quiz | 0 | - | 4.95 | 61,829 |
| European Capitals Ending in N | 0 | - | 4.92 | 81,622 |
| Capitals of the Stans | 0 | - | 4.95 | 27,083 |
| Countries More Populous Than Their Neighbors | 0 | - | 4.99 | 174,804 |
| Countries with Megacities | 0 | - | 4.99 | 266,396 |
| Countries With More than 50 Million People | 0 | - | 4.99 | 200,507 |
| Countries with the Most Population Growth by Decade | 0 | - | 4.98 | 113,911 |
| Countries With More than 200 Million People | 0 | - | 4.95 | 138,801 |
| Countries Less Populous Than Their Neighbors | 0 | - | 4.96 | 82,026 |
| Global Cities on a World Map | 0 | - | 4.93 | 137,077 |
| Northernmost Capital Cities | 0 | - | 4.98 | 111,121 |
| Most Remote Capital Cities | 0 | - | 4.92 | 53,856 |
| Capital Cities: Ports and Saints | 0 | - | 4.96 | 46,046 |
| Capitals with the Shortest Names | 0 | - | 4.97 | 110,021 |
| Same Letter Country and Capital | 0 | - | 4.99 | 157,918 |
| Countries by Capital City | 0 | - | 5.00 | 69,180 |
| Capital Cities Based on First Two Letters | 0 | - | 4.85 | 77,718 |
| Capitals of the Largest Countries by Area | 0 | - | 4.96 | 115,095 |
| Divided Capital Name Puzzle #1 | 0 | - | 4.99 | 84,685 |
| Moved Capital Cities | 0 | - | 4.96 | 74,568 |
| Countries by Sports League Revenue | 0 | - | 4.95 | 78,205 |
| Biggest Countries by Population | 0 | - | 5.00 | 1,452,221 |
| Smallest Countries by Population and Area | 0 | - | 4.99 | 382,005 |
| World Capitals by Proximity | 0 | - | 4.91 | 333,303 |
| Capitals of Canadian Provinces | 0 | - | 4.85 | 89,507 |
| Name a Valid European Capital | 0 | - | 4.95 | 153,376 |
| European Capital Superlatives - Top 2 | 0 | - | 4.95 | 81,476 |
| Single Vowel Capitals | 0 | - | 4.82 | 14,685 |
| Five Most Densely Populated Countries by Continent | 0 | - | 4.96 | 87,201 |
| Five Most Populated Countries by Continent | 0 | - | 4.99 | 268,771 |
| Most Populous Countries with Exceptions | 0 | - | 4.98 | 122,516 |
| Top 10 Most Densely-Populated Countries in Europe | 0 | - | 4.98 | 112,801 |
| Five Least Densely Populated Countries by Continent | 0 | - | 4.90 | 94,086 |
| Countries by Population Range - Tile Select | 0 | - | 4.87 | 59,486 |
| North American Sports Cities | 0 | - | 4.83 | 173,003 |
| Summer Olympic City Bids | 0 | - | 4.94 | 42,514 |
| Cities with the Most Metro Rail Stations | 0 | - | 4.89 | 102,832 |
| Name a City - European Countries | 0 | - | 4.90 | 66,010 |
| Cities by Former Name | 0 | - | 4.83 | 91,946 |
| Capitals in their Native Languages | 0 | - | 4.95 | 133,631 |
| Nearest Capital City #1 | 0 | - | 4.83 | 57,914 |
| South American Capitals - Map Quiz | 0 | - | 4.98 | 131,245 |
| Most Guessed European Capitals | 0 | - | 4.87 | 101,754 |
| Capitals Furthest from the Border | 0 | - | 4.96 | 69,691 |
| World Capitals by Map | 0 | - | 5.00 | 288,861 |
| Capital Cities in a Ring of the World Map | 0 | - | 4.95 | 58,735 |
| Capitals Starting With H | 0 | - | 4.91 | 93,158 |
| Capitals Starting With K | 0 | - | 4.88 | 84,229 |
| Capitals Starting With L | 0 | - | 4.79 | 94,177 |
| Capitals Starting With M | 0 | - | 4.93 | 108,864 |
| Capitals Starting With P | 0 | - | 4.88 | 78,823 |
| Capitals Starting With R | 0 | - | 4.88 | 82,369 |
| Capitals Starting With S | 0 | - | 4.90 | 86,393 |
| Capitals Starting With T | 0 | - | 4.85 | 76,695 |
| Capitals Starting With W | 0 | - | 4.87 | 91,633 |
| Capitals Starting With A | 0 | - | 4.97 | 128,881 |
| Capitals Starting With B | 0 | - | 4.89 | 119,276 |
| Capitals Starting With D | 0 | - | 4.93 | 97,027 |
| Countries That Use the Euro | 0 | - | 4.95 | 106,416 |
| Olympic Host Countries | 0 | - | 4.98 | 201,702 |
| Landlocked Countries in Africa | 0 | - | 4.99 | 47,679 |
| 10 Easternmost Countries in Europe | 0 | - | 4.87 | 116,823 |
| Ten Highest Ranking FIFA Countries by Year | 0 | - | 4.95 | 312,790 |
| The Only European Country ... | 0 | - | 4.91 | 218,519 |
| Mediterranean Countries Quiz | 0 | - | 4.99 | 213,570 |
| European Countries NOT in NATO | 0 | - | 4.91 | 62,236 |
| Countries with Territorial Claims in Antarctica | 0 | - | 4.94 | 92,858 |
| Random Capital to Country | 0 | - | 4.99 | 2,599,185 |
| Random Country to Capital | 0 | - | 4.98 | 926,285 |
| Countries of Africa | 0 | - | 5.00 | 2,554,464 |
| Biggest City by Body of Water | 0 | - | 4.51 | 40,301 |
| Southernmost Major Cities | 0 | - | 4.48 | 57,654 |
| U.S. City Prefixes and Suffixes | 0 | - | 4.48 | 73,050 |
| Cities with the Most Foreign Embassies | 0 | - | 4.69 | 47,212 |
| U.S. Cities With Spanish Names | 0 | - | 4.94 | 23,693 |
| World Capitals Closest to Bangkok | 0 | - | 4.91 | 41,120 |
| Random African Capitals on a Map | 0 | - | 4.96 | 55,174 |
| Random Asian Capitals on a Map | 0 | - | 4.82 | 51,300 |
| Random European Capitals on a Map | 0 | - | 4.97 | 135,283 |
| US State Capitals Quiz - No Hints | 0 | - | 4.98 | 95,527 |
| 10 Westernmost U.S. State Capitals | 0 | - | 4.90 | 48,264 |
| Countries of Europe by Population | 0 | - | 4.98 | 182,522 |
| Most Populous Countries by Year | 0 | - | 4.83 | 111,242 |
| Most Populated Countries Bordering the Pacific Ocean | 0 | - | 4.97 | 95,849 |
| Most Populous Countries Bordering Each Other | 0 | - | 4.97 | 131,161 |
| Countries with the Most People Bordering Them | 0 | - | 4.98 | 108,519 |
| Populous Countries Bordering Smaller Countries | 0 | - | 4.97 | 113,640 |
| Densest Countries Bordering Each Other | 0 | - | 4.93 | 90,765 |
| Countries with a Population Under 1 Million by Clue | 0 | - | 4.99 | 93,129 |
| Most Populous World Capitals | 0 | - | 4.94 | 176,547 |
| Most Populous Countries in 2050 | 0 | - | 4.91 | 223,634 |
| First Countries to Reach 5 Million People | 0 | - | 4.93 | 135,775 |
| Most Populous Modern-Day Countries in 1000 AD | 0 | - | 4.88 | 76,444 |
| Most Populous Modern-Day Countries in 1 AD | 0 | - | 4.98 | 93,115 |
| Most Populous Modern-Day Countries in 1800 AD | 0 | - | 4.93 | 67,456 |
| Most Populous Modern-Day Countries in 1500 AD | 0 | - | 4.93 | 73,794 |
| Most Populous Modern-Day Countries by Century | 0 | - | 4.98 | 97,653 |
| U.S. Cities with the Most Skyscrapers | 0 | - | 4.89 | 95,726 |
| 15 Largest Cities in Africa With a Map | 0 | - | 4.96 | 111,310 |
| Most Guessed Cities by Country #3 | 0 | - | 4.89 | 46,767 |
| Summer Olympics Host Cities | 0 | - | 4.98 | 216,175 |
| Most-Visited Cities in Europe | 0 | - | 4.83 | 75,874 |
| Cities with the Biggest Economies | 0 | - | 4.91 | 131,538 |
| Five Most Guessed Cities by Continent | 0 | - | 4.96 | 113,470 |
| Former Capitals | 0 | - | 4.88 | 71,627 |
| Capital Cities Chain | 0 | - | 4.84 | 83,239 |
| Coldest World Capitals | 0 | - | 4.95 | 134,091 |
| Capital Cities with Spanish Names | 0 | - | 4.90 | 78,031 |
| Random Countries and Capitals without Vowels | 0 | - | 4.61 | 22,145 |
| Name a Valid Capital #1 | 0 | - | 4.96 | 91,432 |
| Countries of Europe - One Minute Sprint | 0 | - | 4.94 | 1,334,155 |
| Top 10 Languages Spoken in Europe | 0 | - | 4.96 | 220,362 |
| Countries of the Middle East | 0 | - | 4.96 | 202,362 |
| Countries with Territory in the Balkans | 0 | - | 4.96 | 89,995 |
| Slavic Countries | 0 | - | 4.96 | 112,228 |
| African Island Countries | 0 | - | 4.96 | 102,303 |
| Straight Shot to Antarctica | 0 | - | 4.94 | 43,110 |
| Countries of Europe in 1650 with a Map | 0 | - | 4.95 | 70,150 |
| All Countries Never To Qualify For A FIFA World Cup | 0 | - | 4.84 | 52,732 |
| Countries with the Highest Population Density | 0 | - | 4.95 | 165,507 |
| Countries with the Lowest Population Density | 0 | - | 4.98 | 170,754 |
| Countries of North America Quiz | 0 | - | 5.00 | 1,029,500 |
| Countries of Asia with Two or More Words | 0 | - | 4.96 | 127,637 |
| Asian Countries Ending in "IA" | 0 | - | 4.96 | 108,166 |
| African Countries with the Shortest Names | 0 | - | 4.98 | 154,403 |
| Five Top Olympic Medal-Winning Countries by Continent | 0 | - | 4.96 | 145,010 |
| Top 10 Biggest African Countries by Area | 0 | - | 4.99 | 218,146 |
| 10 Biggest European Countries by Area | 0 | - | 4.99 | 193,341 |
| 10 Biggest Asian Countries by Area | 0 | - | 4.97 | 154,407 |
| 10 Biggest American Countries by Area | 0 | - | 4.95 | 112,887 |
| Top 10 Most Populous American Countries | 0 | - | 4.96 | 144,670 |
| 10 Westernmost Countries in Europe | 0 | - | 4.96 | 151,886 |
| 10 Southernmost Countries in Africa | 0 | - | 4.98 | 117,343 |
| 10 Northernmost Countries in Africa | 0 | - | 4.98 | 162,127 |
| 10 Southernmost Countries in Asia | 0 | - | 4.97 | 99,767 |
| 10 Easternmost Countries in Asia | 0 | - | 4.99 | 109,031 |
| Top 10 Smallest African Countries by Area | 0 | - | 4.96 | 34,001 |
| U.S. State Capitals Map Quiz | 0 | - | 4.93 | 150,392 |
| Boundary Waters | 0 | - | 4.92 | 88,711 |
| Countries Along the Afro-Eurasia Coast | 0 | - | 4.87 | 35,366 |
| The Same Suffixes - Geography | 0 | - | 4.98 | 96,562 |
| 100 Geography Questions of Varying Difficulty | 0 | - | 4.93 | 63,159 |
| "Second Best" Geography Edition #2 | 0 | - | 4.88 | 60,844 |
| Top 10 Most Populous European Countries | 0 | - | 4.97 | 234,100 |
| Top 10 Most Populous Asian Countries | 0 | - | 4.97 | 184,810 |
| Top 10 Most Populous African Countries | 0 | - | 4.99 | 194,469 |
| Top 10 Most Densely-Populated Countries in Asia | 0 | - | 4.92 | 104,733 |
| Countries by Population Decrease | 0 | - | 4.46 | 49,948 |
| Top 10 Asian Countries by Population Increase | 0 | - | 4.93 | 108,767 |
| Flags of Countries With More Than 100 Million People | 0 | - | 4.98 | 159,877 |
| Countries Gaining the Most Population by 2070 | 0 | - | 4.63 | 64,431 |
| Least Dense Countries Bordering Each Other | 0 | - | 4.86 | 23,727 |
| Most Populous Countries in 1900 | 0 | - | 4.91 | 174,150 |
| Unusual U.S. City Names | 0 | - | 4.52 | 27,980 |
| Northernmost Major Cities | 0 | - | 4.08 | 56,574 |
| Biggest Cities Named for Saints | 0 | - | 4.36 | 95,599 |
| Biggest U.S. Cities with 4 or 5 Letters | 0 | - | 4.37 | 53,731 |
| Lonely Planet Top 200 Cities | 0 | - | 4.52 | 221,592 |
| Ancient City to Country | 0 | - | 4.70 | 108,280 |
| Official Cities in the UK | 0 | - | 4.89 | 285,725 |
| Most Appealing Cities for Working Abroad | 0 | - | 4.38 | 36,188 |
| City-States | 0 | - | 4.53 | 37,375 |
| Cities by Latitude Longitude Coordinates | 0 | - | 4.45 | 8,599 |
| Cities with the Most International Tourists | 0 | - | 4.45 | 54,460 |
| Damaged and Destroyed Cities | 0 | - | 4.44 | 44,779 |
