| Five Most Inland Capital Cities by Continent | 0 | - | 4.92 | 13,660 |
| Countries by Capitals and Borders in 90 Seconds | 0 | - | 4.83 | 227,875 |
| Capitals of the Most Populated Countries | 0 | - | 4.96 | 128,406 |
| Africa Capitals Quiz | 0 | - | 4.99 | 743,481 |
| Asia Capitals Quiz | 0 | - | 4.98 | 698,625 |
| World Capitals Quiz | 0 | - | 5.00 | 5,104,452 |
| Europe Capital to Country | 0 | - | 4.99 | 252,005 |
| Asia Capital to Country | 0 | - | 4.96 | 127,361 |
| EU Capitals with No Hints | 0 | - | 4.96 | 146,926 |
| European Capitals by Map | 0 | - | 4.99 | 142,011 |
| African Capitals by Map | 0 | - | 4.99 | 142,072 |
| Asian Capitals by Map | 0 | - | 4.98 | 63,878 |
| 10 Westernmost Capital Cities in Europe | 0 | - | 4.88 | 92,833 |
| 10 Northernmost Capital Cities in Europe | 0 | - | 4.96 | 85,149 |
| European Coastal Capitals | 0 | - | 4.95 | 91,280 |
| 10 Easternmost Capital Cities in Asia | 0 | - | 4.89 | 53,170 |
| Capitals of Oceania Quiz | 0 | - | 4.99 | 272,561 |
| Europe by Capitals and Borders in 30 Seconds | 0 | - | 4.88 | 225,712 |
| Capitals of Mediterranean Countries | 0 | - | 4.95 | 82,149 |
| Nordic Countries and Capitals | 0 | - | 4.95 | 84,041 |
| Random European Capital to Country | 0 | - | 4.98 | 192,089 |
| Random European Country to Capital | 0 | - | 4.93 | 165,853 |
| Random Asian Country to Capital | 0 | - | 4.92 | 96,970 |
| Random Asian Capital to Country | 0 | - | 4.97 | 103,402 |
| Random African Capital to Country | 0 | - | 4.97 | 101,309 |
| Random African Country to Capital | 0 | - | 4.95 | 71,735 |
| Top 50 Countries by Population - In Order | 0 | - | 4.98 | 335,199 |
| Europe Capitals Quiz | 0 | - | 5.00 | 1,598,991 |
| South America Capitals Quiz | 0 | - | 5.00 | 484,852 |
| North America Capitals Quiz | 0 | - | 4.99 | 222,093 |
| African Capitals - Map Quiz | 0 | - | 4.94 | 63,209 |
| Top 10 Most Remote European Capitals | 0 | - | 4.87 | 94,555 |
| European Capitals - Map Quiz | 0 | - | 4.97 | 120,070 |
| Middle East Capital Cities Quiz | 0 | - | 4.96 | 88,374 |
| European Capitals Furthest from the Sea | 0 | - | 4.92 | 82,565 |
| Asian Capitals - Map Quiz | 0 | - | 4.95 | 61,923 |
| European Capitals Ending in N | 0 | - | 4.92 | 81,691 |
| Capitals of the Stans | 0 | - | 4.95 | 27,131 |
| Countries More Populous Than Their Neighbors | 0 | - | 4.99 | 175,071 |
| Countries with Megacities | 0 | - | 4.99 | 266,963 |
| Countries With More than 50 Million People | 0 | - | 4.99 | 200,787 |
| Countries with the Most Population Growth by Decade | 0 | - | 4.98 | 114,089 |
| Countries With More than 200 Million People | 0 | - | 4.95 | 139,097 |
| Countries Less Populous Than Their Neighbors | 0 | - | 4.96 | 82,203 |
| Global Cities on a World Map | 0 | - | 4.93 | 137,260 |
| Northernmost Capital Cities | 0 | - | 4.98 | 111,317 |
| Most Remote Capital Cities | 0 | - | 4.92 | 53,955 |
| Capital Cities: Ports and Saints | 0 | - | 4.96 | 46,178 |
| Capitals with the Shortest Names | 0 | - | 4.97 | 110,195 |
| Same Letter Country and Capital | 0 | - | 4.99 | 158,097 |
| Countries by Capital City | 0 | - | 5.00 | 69,349 |
| Capital Cities Based on First Two Letters | 0 | - | 4.85 | 77,828 |
| Capitals of the Largest Countries by Area | 0 | - | 4.96 | 115,200 |
| Divided Capital Name Puzzle #1 | 0 | - | 4.99 | 84,787 |
| Moved Capital Cities | 0 | - | 4.96 | 74,630 |
| Countries by Sports League Revenue | 0 | - | 4.94 | 78,480 |
| Biggest Countries by Population | 0 | - | 5.00 | 1,453,733 |
| Smallest Countries by Population and Area | 0 | - | 4.99 | 382,393 |
| World Capitals by Proximity | 0 | - | 4.91 | 333,744 |
| Capitals of Canadian Provinces | 0 | - | 4.85 | 89,646 |
| Name a Valid European Capital | 0 | - | 4.95 | 153,565 |
| European Capital Superlatives - Top 2 | 0 | - | 4.95 | 81,543 |
| Single Vowel Capitals | 0 | - | 4.83 | 14,724 |
| Five Most Densely Populated Countries by Continent | 0 | - | 4.96 | 87,299 |
| Five Most Populated Countries by Continent | 0 | - | 4.99 | 268,980 |
| Most Populous Countries with Exceptions | 0 | - | 4.98 | 122,630 |
| Top 10 Most Densely-Populated Countries in Europe | 0 | - | 4.98 | 112,884 |
| Five Least Densely Populated Countries by Continent | 0 | - | 4.90 | 94,195 |
| Countries by Population Range - Tile Select | 0 | - | 4.87 | 59,589 |
| North American Sports Cities | 0 | - | 4.83 | 173,110 |
| Summer Olympic City Bids | 0 | - | 4.94 | 42,553 |
| Cities with the Most Metro Rail Stations | 0 | - | 4.89 | 102,929 |
| Name a City - European Countries | 0 | - | 4.90 | 66,133 |
| Cities by Former Name | 0 | - | 4.83 | 92,029 |
| Capitals in their Native Languages | 0 | - | 4.95 | 133,678 |
| Nearest Capital City #1 | 0 | - | 4.83 | 57,970 |
| South American Capitals - Map Quiz | 0 | - | 4.98 | 131,381 |
| Most Guessed European Capitals | 0 | - | 4.87 | 101,805 |
| Capitals Furthest from the Border | 0 | - | 4.96 | 69,798 |
| World Capitals by Map | 0 | - | 5.00 | 289,256 |
| Capital Cities in a Ring of the World Map | 0 | - | 4.95 | 58,804 |
| Capitals Starting With H | 0 | - | 4.91 | 93,316 |
| Capitals Starting With K | 0 | - | 4.89 | 84,385 |
| Capitals Starting With M | 0 | - | 4.94 | 109,153 |
| Capitals Starting With P | 0 | - | 4.88 | 78,986 |
| Capitals Starting With R | 0 | - | 4.88 | 82,489 |
| Capitals Starting With S | 0 | - | 4.90 | 86,558 |
| Capitals Starting With T | 0 | - | 4.85 | 76,819 |
| Capitals Starting With W | 0 | - | 4.87 | 91,725 |
| Capitals Starting With A | 0 | - | 4.97 | 129,082 |
| Capitals Starting With B | 0 | - | 4.89 | 119,481 |
| Capitals Starting With D | 0 | - | 4.94 | 97,186 |
| Countries That Use the Euro | 0 | - | 4.95 | 106,709 |
| Olympic Host Countries | 0 | - | 4.98 | 201,916 |
| Landlocked Countries in Africa | 0 | - | 4.99 | 47,818 |
| 10 Easternmost Countries in Europe | 0 | - | 4.87 | 117,041 |
| Ten Highest Ranking FIFA Countries by Year | 0 | - | 4.95 | 313,717 |
| The Only European Country ... | 0 | - | 4.91 | 218,892 |
| Mediterranean Countries Quiz | 0 | - | 4.99 | 213,863 |
| European Countries NOT in NATO | 0 | - | 4.91 | 62,454 |
| Countries with Territorial Claims in Antarctica | 0 | - | 4.94 | 92,900 |
| Random Capital to Country | 0 | - | 4.99 | 2,601,084 |
| Random Country to Capital | 0 | - | 4.98 | 927,665 |
| Countries of Africa | 0 | - | 5.00 | 2,558,749 |
| Biggest City by Body of Water | 0 | - | 4.51 | 40,317 |
| Southernmost Major Cities | 0 | - | 4.48 | 57,717 |
| U.S. City Prefixes and Suffixes | 0 | - | 4.48 | 73,100 |
| Cities with the Most Foreign Embassies | 0 | - | 4.69 | 47,225 |
| U.S. Cities With Spanish Names | 0 | - | 4.94 | 23,819 |
| World Capitals Closest to Bangkok | 0 | - | 4.91 | 41,140 |
| Random African Capitals on a Map | 0 | - | 4.96 | 55,238 |
| Random Asian Capitals on a Map | 0 | - | 4.83 | 51,351 |
| Random European Capitals on a Map | 0 | - | 4.97 | 135,377 |
| US State Capitals Quiz - No Hints | 0 | - | 4.98 | 95,618 |
| 10 Westernmost U.S. State Capitals | 0 | - | 4.90 | 48,304 |
| Countries of Europe by Population | 0 | - | 4.98 | 182,880 |
| Most Populous Countries by Year | 0 | - | 4.83 | 111,366 |
| Most Populated Countries Bordering the Pacific Ocean | 0 | - | 4.97 | 95,893 |
| Most Populous Countries Bordering Each Other | 0 | - | 4.97 | 131,315 |
| Countries with the Most People Bordering Them | 0 | - | 4.98 | 108,639 |
| Populous Countries Bordering Smaller Countries | 0 | - | 4.97 | 113,734 |
| Densest Countries Bordering Each Other | 0 | - | 4.93 | 90,871 |
| Countries with a Population Under 1 Million by Clue | 0 | - | 4.99 | 93,183 |
| Most Populous World Capitals | 0 | - | 4.94 | 176,665 |
| Most Populous Countries in 2050 | 0 | - | 4.91 | 223,779 |
| First Countries to Reach 5 Million People | 0 | - | 4.93 | 135,860 |
| Most Populous Modern-Day Countries in 1000 AD | 0 | - | 4.88 | 76,505 |
| Most Populous Modern-Day Countries in 1 AD | 0 | - | 4.98 | 93,183 |
| Most Populous Modern-Day Countries in 1800 AD | 0 | - | 4.93 | 67,507 |
| Most Populous Modern-Day Countries in 1500 AD | 0 | - | 4.93 | 73,847 |
| Most Populous Modern-Day Countries by Century | 0 | - | 4.98 | 97,739 |
| U.S. Cities with the Most Skyscrapers | 0 | - | 4.89 | 95,774 |
| 15 Largest Cities in Africa With a Map | 0 | - | 4.96 | 111,435 |
| Most Guessed Cities by Country #3 | 0 | - | 4.89 | 46,886 |
| Summer Olympics Host Cities | 0 | - | 4.98 | 216,411 |
| Most-Visited Cities in Europe | 0 | - | 4.83 | 76,019 |
| Cities with the Biggest Economies | 0 | - | 4.91 | 131,651 |
| Five Most Guessed Cities by Continent | 0 | - | 4.96 | 113,554 |
| Former Capitals | 0 | - | 4.88 | 71,668 |
| Capital Cities Chain | 0 | - | 4.84 | 83,340 |
| Coldest World Capitals | 0 | - | 4.95 | 134,140 |
| Capital Cities with Spanish Names | 0 | - | 4.90 | 78,104 |
| Random Countries and Capitals without Vowels | 0 | - | 4.61 | 22,204 |
| Name a Valid Capital #1 | 0 | - | 4.96 | 91,537 |
| Countries of Europe - One Minute Sprint | 0 | - | 4.94 | 1,335,370 |
| Top 10 Languages Spoken in Europe | 0 | - | 4.96 | 220,664 |
| Countries of the Middle East | 0 | - | 4.96 | 202,787 |
| Countries with Territory in the Balkans | 0 | - | 4.96 | 90,145 |
| Slavic Countries | 0 | - | 4.96 | 112,338 |
| African Island Countries | 0 | - | 4.96 | 102,412 |
| Straight Shot to Antarctica | 0 | - | 4.94 | 43,159 |
| Countries of Europe in 1650 with a Map | 0 | - | 4.95 | 70,325 |
| All Countries Never To Qualify For A FIFA World Cup | 0 | - | 4.83 | 53,054 |
| Countries with the Highest Population Density | 0 | - | 4.95 | 165,626 |
| Countries with the Lowest Population Density | 0 | - | 4.98 | 170,898 |
| Countries of North America Quiz | 0 | - | 5.00 | 1,030,995 |
| Countries of Asia with Two or More Words | 0 | - | 4.96 | 127,782 |
| Asian Countries Ending in "IA" | 0 | - | 4.96 | 108,294 |
| African Countries with the Shortest Names | 0 | - | 4.98 | 154,558 |
| Five Top Olympic Medal-Winning Countries by Continent | 0 | - | 4.96 | 145,142 |
| Top 10 Biggest African Countries by Area | 0 | - | 4.99 | 218,308 |
| 10 Biggest European Countries by Area | 0 | - | 4.99 | 193,470 |
| 10 Biggest Asian Countries by Area | 0 | - | 4.97 | 154,496 |
| 10 Biggest American Countries by Area | 0 | - | 4.95 | 112,942 |
| Top 10 Most Populous American Countries | 0 | - | 4.96 | 144,769 |
| 10 Westernmost Countries in Europe | 0 | - | 4.96 | 152,014 |
| 10 Southernmost Countries in Africa | 0 | - | 4.98 | 117,617 |
| 10 Northernmost Countries in Africa | 0 | - | 4.98 | 162,238 |
| 10 Southernmost Countries in Asia | 0 | - | 4.97 | 99,885 |
| 10 Easternmost Countries in Asia | 0 | - | 4.99 | 109,119 |
| Top 10 Smallest African Countries by Area | 0 | - | 4.96 | 34,100 |
| U.S. State Capitals Map Quiz | 0 | - | 4.93 | 150,915 |
| Boundary Waters | 0 | - | 4.92 | 88,750 |
| Countries Along the Afro-Eurasia Coast | 0 | - | 4.87 | 35,405 |
| The Same Suffixes - Geography | 0 | - | 4.98 | 96,678 |
| 100 Geography Questions of Varying Difficulty | 0 | - | 4.93 | 63,311 |
| "Second Best" Geography Edition #2 | 0 | - | 4.88 | 60,941 |
| Top 10 Most Populous European Countries | 0 | - | 4.97 | 234,356 |
| Top 10 Most Populous Asian Countries | 0 | - | 4.97 | 184,991 |
| Top 10 Most Populous African Countries | 0 | - | 4.99 | 194,662 |
| Top 10 Most Densely-Populated Countries in Asia | 0 | - | 4.92 | 104,840 |
| Countries by Population Decrease | 0 | - | 4.46 | 49,973 |
| Top 10 Asian Countries by Population Increase | 0 | - | 4.93 | 108,824 |
| Flags of Countries With More Than 100 Million People | 0 | - | 4.98 | 159,963 |
| Countries Gaining the Most Population by 2070 | 0 | - | 4.63 | 64,476 |
| Least Dense Countries Bordering Each Other | 0 | - | 4.86 | 23,791 |
| Most Populous Countries in 1900 | 0 | - | 4.91 | 174,220 |
| Unusual U.S. City Names | 0 | - | 4.52 | 28,004 |
| Northernmost Major Cities | 0 | - | 4.08 | 56,581 |
| Biggest Cities Named for Saints | 0 | - | 4.36 | 95,612 |
| Biggest U.S. Cities with 4 or 5 Letters | 0 | - | 4.38 | 54,012 |
| Lonely Planet Top 200 Cities | 0 | - | 4.52 | 221,666 |
| Ancient City to Country | 0 | - | 4.70 | 108,332 |
| Official Cities in the UK | 0 | - | 4.89 | 286,132 |
| Most Appealing Cities for Working Abroad | 0 | - | 4.38 | 36,197 |
| City-States | 0 | - | 4.53 | 37,397 |
| Cities by Latitude Longitude Coordinates | 0 | - | 4.45 | 8,603 |
| Cities with the Most International Tourists | 0 | - | 4.45 | 54,495 |
| Damaged and Destroyed Cities | 0 | - | 4.44 | 44,806 |
| Divided World City Name Puzzle #1 | 0 | - | 4.84 | 49,293 |
