| Countries by Capitals and Borders in 90 Seconds | 0 | - | 4.84 | 226,431 |
| World Capitals Quiz | 0 | - | 5.00 | 5,067,622 |
| Most Populated Countries Bordering the Pacific Ocean | 0 | - | 4.96 | 95,542 |
| Most Populous Countries Bordering Each Other | 0 | - | 4.97 | 130,320 |
| Countries with the Most People Bordering Them | 0 | - | 4.98 | 107,790 |
| Populous Countries Bordering Smaller Countries | 0 | - | 4.97 | 113,066 |
| Densest Countries Bordering Each Other | 0 | - | 4.93 | 90,225 |
| Top 50 Countries by Population - In Order | 0 | - | 4.98 | 329,541 |
| Europe Capitals Quiz | 0 | - | 5.00 | 1,584,286 |
| Least Dense Countries Bordering Each Other | 0 | - | 4.85 | 23,348 |
| Five Most Inland Capital Cities by Continent | 0 | - | 4.91 | 12,912 |
| European Countries with One Border | 0 | - | 4.97 | 182,628 |
| European Countries with the Fewest Borders | 0 | - | 4.97 | 179,443 |
| Countries More Populous Than Their Neighbors | 0 | - | 4.99 | 173,208 |
| Countries with Megacities | 0 | - | 4.99 | 262,097 |
| Countries With More than 50 Million People | 0 | - | 4.99 | 199,059 |
| Countries with the Most Population Growth by Decade | 0 | - | 4.98 | 113,094 |
| Countries With More than 200 Million People | 0 | - | 4.96 | 137,355 |
| Countries Less Populous Than Their Neighbors | 0 | - | 4.96 | 81,130 |
| Global Cities on a World Map | 0 | - | 4.93 | 135,977 |
| Northernmost Capital Cities | 0 | - | 4.98 | 110,078 |
| Most Remote Capital Cities | 0 | - | 4.92 | 53,296 |
| Capital Cities: Ports and Saints | 0 | - | 4.96 | 45,373 |
| Capitals with the Shortest Names | 0 | - | 4.97 | 109,081 |
| Same Letter Country and Capital | 0 | - | 4.99 | 156,792 |
| Countries by Capital City | 0 | - | 5.00 | 68,061 |
| Capital Cities Based on First Two Letters | 0 | - | 4.85 | 77,066 |
| Capitals of the Largest Countries by Area | 0 | - | 4.97 | 114,550 |
| Divided Capital Name Puzzle #1 | 0 | - | 4.99 | 84,046 |
| Moved Capital Cities | 0 | - | 4.96 | 74,116 |
| Countries by Sports League Revenue | 0 | - | 4.94 | 77,132 |
| Biggest Countries by Population | 0 | - | 5.00 | 1,444,246 |
| Smallest Countries by Population and Area | 0 | - | 4.99 | 379,959 |
| World Capitals by Proximity | 0 | - | 4.91 | 330,939 |
| Europe by Borders in 30 Seconds | 0 | - | 4.98 | 427,850 |
| Countries Bordering the Mediterranean - Map Quiz | 0 | - | 4.87 | 88,968 |
| Capitals of the Most Populated Countries | 0 | - | 4.96 | 127,815 |
| Five Most Densely Populated Countries by Continent | 0 | - | 4.96 | 86,616 |
| Five Most Populated Countries by Continent | 0 | - | 4.99 | 267,563 |
| Most Populous Countries with Exceptions | 0 | - | 4.98 | 121,764 |
| Top 10 Most Densely-Populated Countries in Europe | 0 | - | 4.98 | 112,327 |
| Five Least Densely Populated Countries by Continent | 0 | - | 4.92 | 93,445 |
| Countries by Population Range - Tile Select | 0 | - | 4.87 | 58,997 |
| North American Sports Cities | 0 | - | 4.83 | 172,232 |
| Summer Olympic City Bids | 0 | - | 4.93 | 42,286 |
| Cities with the Most Metro Rail Stations | 0 | - | 4.89 | 102,308 |
| Name a City - European Countries | 0 | - | 4.90 | 65,282 |
| Cities by Former Name | 0 | - | 4.83 | 91,496 |
| Capitals in their Native Languages | 0 | - | 4.95 | 133,353 |
| Nearest Capital City #1 | 0 | - | 4.83 | 57,612 |
| Capitals Furthest from the Border | 0 | - | 4.96 | 69,034 |
| World Capitals by Map | 0 | - | 5.00 | 285,917 |
| Capital Cities in a Ring of the World Map | 0 | - | 4.95 | 58,222 |
| Nordic Countries and Capitals | 0 | - | 4.95 | 83,608 |
| Random European Capital to Country | 0 | - | 4.98 | 190,752 |
| Random European Country to Capital | 0 | - | 4.93 | 164,924 |
| Random Asian Country to Capital | 0 | - | 4.92 | 96,342 |
| Random Asian Capital to Country | 0 | - | 4.97 | 102,673 |
| Random African Capital to Country | 0 | - | 4.97 | 100,616 |
| Random African Country to Capital | 0 | - | 4.94 | 71,134 |
| Capitals Starting With H | 0 | - | 4.91 | 92,413 |
| Capitals Starting With K | 0 | - | 4.88 | 83,088 |
| Capitals Starting With L | 0 | - | 4.81 | 87,939 |
| Capitals Starting With M | 0 | - | 4.93 | 107,587 |
| Capitals Starting With P | 0 | - | 4.88 | 78,069 |
| Capitals Starting With R | 0 | - | 4.87 | 81,706 |
| Capitals Starting With S | 0 | - | 4.90 | 85,646 |
| Capitals Starting With T | 0 | - | 4.85 | 76,059 |
| Capitals Starting With W | 0 | - | 4.87 | 91,216 |
| Capitals Starting With A | 0 | - | 4.97 | 127,719 |
| Capitals Starting With B | 0 | - | 4.89 | 118,321 |
| Capitals Starting With D | 0 | - | 4.93 | 96,296 |
| Countries That Use the Euro | 0 | - | 4.95 | 104,753 |
| Olympic Host Countries | 0 | - | 4.98 | 200,550 |
| Landlocked Countries in Africa | 0 | - | 4.99 | 46,727 |
| 10 Easternmost Countries in Europe | 0 | - | 4.89 | 115,028 |
| Ten Highest Ranking FIFA Countries by Year | 0 | - | 4.95 | 308,629 |
| The Only European Country ... | 0 | - | 4.91 | 216,283 |
| Mediterranean Countries Quiz | 0 | - | 4.99 | 211,982 |
| European Countries NOT in NATO | 0 | - | 4.90 | 60,942 |
| Countries with Territorial Claims in Antarctica | 0 | - | 4.94 | 92,618 |
| Countries that Border Hungary | 0 | - | 4.98 | 104,151 |
| Countries Bordering Austria | 0 | - | 4.97 | 118,243 |
| Countries Bordering Tanzania | 0 | - | 4.96 | 70,128 |
| Countries Bordering Iran | 0 | - | 4.83 | 95,209 |
| Countries Bordering D.R. Congo | 0 | - | 4.97 | 64,488 |
| Countries that Border Iraq | 0 | - | 4.97 | 108,293 |
| Countries Bordering Kenya | 0 | - | 4.87 | 62,827 |
| Countries Bordering Myanmar | 0 | - | 4.87 | 77,481 |
| Countries Bordering Saudi Arabia | 0 | - | 4.95 | 118,578 |
| Countries Bordering Serbia | 0 | - | 4.96 | 92,324 |
| Countries Bordering South Africa | 0 | - | 4.97 | 92,749 |
| Countries Bordering Turkey | 0 | - | 4.98 | 117,063 |
| Africa Capitals Quiz | 0 | - | 4.99 | 736,672 |
| Asia Capitals Quiz | 0 | - | 4.98 | 691,813 |
| Random Capital to Country | 0 | - | 4.99 | 2,589,396 |
| Random Country to Capital | 0 | - | 4.98 | 919,381 |
| Countries with the Most Borders | 0 | - | 4.97 | 388,148 |
| Countries of Africa | 0 | - | 5.00 | 2,533,123 |
| Countries of Africa by Borders in 30 Seconds | 0 | - | 4.43 | 355,725 |
| Asian Countries by Borders in 30 Seconds | 0 | - | 4.45 | 414,830 |
| Biggest City by Body of Water | 0 | - | 4.51 | 40,231 |
| Southernmost Major Cities | 0 | - | 4.48 | 57,343 |
| U.S. City Prefixes and Suffixes | 0 | - | 4.48 | 72,834 |
| Cities with the Most Foreign Embassies | 0 | - | 4.68 | 47,129 |
| U.S. Cities With Spanish Names | 0 | - | 4.94 | 23,071 |
| Countries of Europe by Population | 0 | - | 4.98 | 180,431 |
| Most Populous Countries by Year | 0 | - | 4.83 | 110,479 |
| Most Populous Countries in 2050 | 0 | - | 4.91 | 222,843 |
| First Countries to Reach 5 Million People | 0 | - | 4.92 | 135,167 |
| Most Populous Modern-Day Countries in 1000 AD | 0 | - | 4.88 | 76,133 |
| Most Populous Modern-Day Countries in 1 AD | 0 | - | 4.98 | 92,626 |
| Most Populous Modern-Day Countries in 1800 AD | 0 | - | 4.93 | 67,203 |
| Most Populous Modern-Day Countries in 1500 AD | 0 | - | 4.93 | 73,484 |
| Most Populous Modern-Day Countries by Century | 0 | - | 4.98 | 97,156 |
| U.S. Cities with the Most Skyscrapers | 0 | - | 4.89 | 95,530 |
| 15 Largest Cities in Africa With a Map | 0 | - | 4.95 | 110,520 |
| Most Guessed Cities by Country #3 | 0 | - | 4.89 | 45,869 |
| Summer Olympics Host Cities | 0 | - | 4.98 | 214,800 |
| Most-Visited Cities in Europe | 0 | - | 4.83 | 74,949 |
| Cities with the Biggest Economies | 0 | - | 4.90 | 130,786 |
| Five Most Guessed Cities by Continent | 0 | - | 4.96 | 112,734 |
| Former Capitals | 0 | - | 4.88 | 71,411 |
| Europe Capital to Country | 0 | - | 4.99 | 249,787 |
| Asia Capital to Country | 0 | - | 4.96 | 126,553 |
| Capital Cities Chain | 0 | - | 4.83 | 82,619 |
| EU Capitals with No Hints | 0 | - | 4.96 | 145,722 |
| European Capitals by Map | 0 | - | 4.99 | 138,844 |
| African Capitals by Map | 0 | - | 4.99 | 133,555 |
| Coldest World Capitals | 0 | - | 4.95 | 133,511 |
| Asian Capitals by Map | 0 | - | 4.98 | 62,186 |
| 10 Westernmost Capital Cities in Europe | 0 | - | 4.88 | 91,974 |
| 10 Northernmost Capital Cities in Europe | 0 | - | 4.96 | 84,315 |
| European Coastal Capitals | 0 | - | 4.95 | 90,473 |
| 10 Easternmost Capital Cities in Asia | 0 | - | 4.89 | 52,536 |
| Capitals of Oceania Quiz | 0 | - | 4.99 | 269,536 |
| Europe by Capitals and Borders in 30 Seconds | 0 | - | 4.88 | 223,739 |
| Capitals of Mediterranean Countries | 0 | - | 4.95 | 81,781 |
| Capital Cities with Spanish Names | 0 | - | 4.90 | 77,464 |
| Name a Valid Capital #1 | 0 | - | 4.96 | 90,779 |
| Countries of Europe - One Minute Sprint | 0 | - | 4.94 | 1,327,202 |
| Top 10 Languages Spoken in Europe | 0 | - | 4.96 | 218,408 |
| Countries of the Middle East | 0 | - | 4.96 | 200,933 |
| Countries with Territory in the Balkans | 0 | - | 4.96 | 89,138 |
| Slavic Countries | 0 | - | 4.96 | 111,562 |
| African Island Countries | 0 | - | 4.96 | 101,521 |
| Straight Shot to Antarctica | 0 | - | 4.94 | 42,835 |
| Countries of Europe in 1650 with a Map | 0 | - | 4.95 | 68,954 |
| All Countries Never To Qualify For A FIFA World Cup | 0 | - | 4.83 | 46,792 |
| Countries with the Highest Population Density | 0 | - | 4.95 | 164,856 |
| Countries with the Lowest Population Density | 0 | - | 4.98 | 170,003 |
| Countries with the Shortest Total Borders | 0 | - | 4.94 | 103,755 |
| Countries of North America Quiz | 0 | - | 5.00 | 1,021,793 |
| Countries of Asia with Two or More Words | 0 | - | 4.96 | 126,754 |
| Asian Countries Ending in "IA" | 0 | - | 4.96 | 107,389 |
| African Countries with the Shortest Names | 0 | - | 4.98 | 153,338 |
| Five Top Olympic Medal-Winning Countries by Continent | 0 | - | 4.96 | 144,001 |
| Top 10 Biggest African Countries by Area | 0 | - | 4.99 | 216,806 |
| 10 Biggest European Countries by Area | 0 | - | 4.99 | 192,551 |
| 10 Biggest Asian Countries by Area | 0 | - | 4.97 | 153,629 |
| 10 Biggest American Countries by Area | 0 | - | 4.95 | 112,560 |
| Top 10 Most Populous American Countries | 0 | - | 4.97 | 144,156 |
| 10 Westernmost Countries in Europe | 0 | - | 4.96 | 151,080 |
| 10 Southernmost Countries in Africa | 0 | - | 4.98 | 116,500 |
| 10 Northernmost Countries in Africa | 0 | - | 4.98 | 161,123 |
| 10 Southernmost Countries in Asia | 0 | - | 4.97 | 99,058 |
| 10 Easternmost Countries in Asia | 0 | - | 4.99 | 107,900 |
| Top 10 Smallest African Countries by Area | 0 | - | 4.96 | 33,180 |
| Countries A-Z by Neighbor | 0 | - | 5.00 | 180,350 |
| Monarchies Bordering Monarchies | 0 | - | 4.81 | 60,212 |
| Asian Countries with the Fewest Borders | 0 | - | 4.74 | 106,912 |
| Countries Bordering the EU | 0 | - | 4.77 | 72,802 |
| Countries Bordering Ukraine, with an Empty Map | 0 | - | 4.86 | 96,339 |
| Boundary Waters | 0 | - | 4.92 | 88,414 |
| Countries Along the Afro-Eurasia Coast | 0 | - | 4.85 | 35,117 |
| The Same Suffixes - Geography | 0 | - | 4.98 | 95,987 |
| "Second Best" Geography Edition #2 | 0 | - | 4.88 | 60,399 |
| Top 10 Most Populous European Countries | 0 | - | 4.97 | 232,652 |
| Top 10 Most Populous Asian Countries | 0 | - | 4.96 | 183,671 |
| Top 10 Most Populous African Countries | 0 | - | 4.99 | 193,161 |
| Top 10 Most Densely-Populated Countries in Asia | 0 | - | 4.92 | 103,725 |
| Countries by Population Decrease | 0 | - | 4.46 | 49,784 |
| Top 10 Asian Countries by Population Increase | 0 | - | 4.93 | 108,379 |
| Flags of Countries With More Than 100 Million People | 0 | - | 4.97 | 159,132 |
| Countries Gaining the Most Population by 2070 | 0 | - | 4.63 | 64,173 |
| Most Populous Countries in 1900 | 0 | - | 4.91 | 173,650 |
| Unusual U.S. City Names | 0 | - | 4.51 | 27,776 |
| Northernmost Major Cities | 0 | - | 4.08 | 56,517 |
| Biggest Cities Named for Saints | 0 | - | 4.36 | 95,479 |
| Biggest U.S. Cities with 4 or 5 Letters | 0 | - | 4.36 | 44,673 |
| Lonely Planet Top 200 Cities | 0 | - | 4.52 | 220,894 |
| Ancient City to Country | 0 | - | 4.70 | 107,975 |
| Official Cities in the UK | 0 | - | 4.89 | 283,335 |
| Most Appealing Cities for Working Abroad | 0 | - | 4.38 | 36,141 |
| City-States | 0 | - | 4.53 | 37,243 |
| Cities by Latitude Longitude Coordinates | 0 | - | 4.45 | 8,570 |
| Cities with the Most International Tourists | 0 | - | 4.45 | 54,101 |
| Damaged and Destroyed Cities | 0 | - | 4.44 | 44,646 |
| Divided World City Name Puzzle #1 | 0 | - | 4.87 | 48,692 |
| City to Country - Tile Select #1 | 0 | - | 4.70 | 37,176 |
