| Five Most Inland Capital Cities by Continent | 0 | - | 4.92 | 13,251 |
| Countries by Capitals and Borders in 90 Seconds | 0 | - | 4.84 | 226,744 |
| Capitals of the Most Populated Countries | 0 | - | 4.96 | 127,963 |
| Africa Capitals Quiz | 0 | - | 4.99 | 738,644 |
| Asia Capitals Quiz | 0 | - | 4.98 | 693,860 |
| World Capitals Quiz | 0 | - | 5.00 | 5,078,764 |
| Europe Capital to Country | 0 | - | 4.99 | 250,575 |
| Asia Capital to Country | 0 | - | 4.96 | 126,749 |
| EU Capitals with No Hints | 0 | - | 4.96 | 146,035 |
| European Capitals by Map | 0 | - | 4.99 | 139,573 |
| African Capitals by Map | 0 | - | 4.99 | 134,021 |
| Asian Capitals by Map | 0 | - | 4.98 | 62,530 |
| 10 Westernmost Capital Cities in Europe | 0 | - | 4.88 | 92,174 |
| 10 Northernmost Capital Cities in Europe | 0 | - | 4.96 | 84,518 |
| European Coastal Capitals | 0 | - | 4.95 | 90,698 |
| 10 Easternmost Capital Cities in Asia | 0 | - | 4.89 | 52,623 |
| Capitals of Oceania Quiz | 0 | - | 4.99 | 270,368 |
| Europe by Capitals and Borders in 30 Seconds | 0 | - | 4.88 | 224,262 |
| Capitals of Mediterranean Countries | 0 | - | 4.95 | 81,876 |
| Nordic Countries and Capitals | 0 | - | 4.95 | 83,727 |
| Random European Capital to Country | 0 | - | 4.98 | 191,046 |
| Random European Country to Capital | 0 | - | 4.93 | 165,267 |
| Random Asian Country to Capital | 0 | - | 4.92 | 96,521 |
| Random Asian Capital to Country | 0 | - | 4.97 | 102,836 |
| Random African Capital to Country | 0 | - | 4.97 | 100,793 |
| Random African Country to Capital | 0 | - | 4.94 | 71,320 |
| Top 50 Countries by Population - In Order | 0 | - | 4.98 | 330,934 |
| Europe Capitals Quiz | 0 | - | 5.00 | 1,588,522 |
| South America Capitals Quiz | 0 | - | 5.00 | 481,951 |
| North America Capitals Quiz | 0 | - | 4.99 | 220,202 |
| African Capitals - Map Quiz | 0 | - | 4.94 | 62,569 |
| Top 10 Most Remote European Capitals | 0 | - | 4.87 | 94,116 |
| European Capitals - Map Quiz | 0 | - | 4.97 | 119,409 |
| Middle East Capital Cities Quiz | 0 | - | 4.96 | 87,915 |
| European Capitals Furthest from the Sea | 0 | - | 4.92 | 82,231 |
| Asian Capitals - Map Quiz | 0 | - | 4.95 | 61,445 |
| European Capitals Ending in N | 0 | - | 4.92 | 81,347 |
| Capitals of the Stans | 0 | - | 4.95 | 26,876 |
| Countries More Populous Than Their Neighbors | 0 | - | 4.99 | 173,693 |
| Countries with Megacities | 0 | - | 4.99 | 264,053 |
| Countries With More than 50 Million People | 0 | - | 4.99 | 199,532 |
| Countries with the Most Population Growth by Decade | 0 | - | 4.98 | 113,372 |
| Countries With More than 200 Million People | 0 | - | 4.96 | 137,799 |
| Countries Less Populous Than Their Neighbors | 0 | - | 4.96 | 81,425 |
| Global Cities on a World Map | 0 | - | 4.93 | 136,310 |
| Northernmost Capital Cities | 0 | - | 4.98 | 110,399 |
| Most Remote Capital Cities | 0 | - | 4.92 | 53,483 |
| Capital Cities: Ports and Saints | 0 | - | 4.96 | 45,593 |
| Capitals with the Shortest Names | 0 | - | 4.97 | 109,346 |
| Same Letter Country and Capital | 0 | - | 4.99 | 157,154 |
| Countries by Capital City | 0 | - | 5.00 | 68,453 |
| Capital Cities Based on First Two Letters | 0 | - | 4.85 | 77,258 |
| Capitals of the Largest Countries by Area | 0 | - | 4.97 | 114,735 |
| Divided Capital Name Puzzle #1 | 0 | - | 4.99 | 84,307 |
| Moved Capital Cities | 0 | - | 4.96 | 74,271 |
| Countries by Sports League Revenue | 0 | - | 4.94 | 77,525 |
| Biggest Countries by Population | 0 | - | 5.00 | 1,446,943 |
| Smallest Countries by Population and Area | 0 | - | 4.99 | 380,665 |
| World Capitals by Proximity | 0 | - | 4.91 | 331,749 |
| Capitals of Canadian Provinces | 0 | - | 4.85 | 89,181 |
| Name a Valid European Capital | 0 | - | 4.95 | 152,537 |
| European Capital Superlatives - Top 2 | 0 | - | 4.95 | 81,223 |
| Single Vowel Capitals | 0 | - | 4.81 | 14,505 |
| Five Most Densely Populated Countries by Continent | 0 | - | 4.96 | 86,813 |
| Five Most Populated Countries by Continent | 0 | - | 4.99 | 268,012 |
| Most Populous Countries with Exceptions | 0 | - | 4.98 | 122,014 |
| Top 10 Most Densely-Populated Countries in Europe | 0 | - | 4.98 | 112,484 |
| Five Least Densely Populated Countries by Continent | 0 | - | 4.92 | 93,634 |
| Countries by Population Range - Tile Select | 0 | - | 4.87 | 59,153 |
| North American Sports Cities | 0 | - | 4.83 | 172,506 |
| Summer Olympic City Bids | 0 | - | 4.94 | 42,359 |
| Cities with the Most Metro Rail Stations | 0 | - | 4.89 | 102,464 |
| Name a City - European Countries | 0 | - | 4.90 | 65,486 |
| Cities by Former Name | 0 | - | 4.83 | 91,630 |
| Capitals in their Native Languages | 0 | - | 4.95 | 133,434 |
| Nearest Capital City #1 | 0 | - | 4.83 | 57,709 |
| South American Capitals - Map Quiz | 0 | - | 4.98 | 130,609 |
| Most Guessed European Capitals | 0 | - | 4.87 | 101,553 |
| Capitals Furthest from the Border | 0 | - | 4.96 | 69,300 |
| World Capitals by Map | 0 | - | 5.00 | 286,998 |
| Capital Cities in a Ring of the World Map | 0 | - | 4.95 | 58,385 |
| Capitals Starting With H | 0 | - | 4.91 | 92,649 |
| Capitals Starting With K | 0 | - | 4.88 | 83,669 |
| Capitals Starting With L | 0 | - | 4.81 | 88,176 |
| Capitals Starting With M | 0 | - | 4.93 | 107,942 |
| Capitals Starting With P | 0 | - | 4.88 | 78,281 |
| Capitals Starting With R | 0 | - | 4.87 | 81,917 |
| Capitals Starting With S | 0 | - | 4.90 | 85,881 |
| Capitals Starting With T | 0 | - | 4.85 | 76,233 |
| Capitals Starting With W | 0 | - | 4.87 | 91,350 |
| Capitals Starting With A | 0 | - | 4.97 | 128,183 |
| Capitals Starting With B | 0 | - | 4.89 | 118,605 |
| Capitals Starting With D | 0 | - | 4.93 | 96,540 |
| Countries That Use the Euro | 0 | - | 4.95 | 105,270 |
| Olympic Host Countries | 0 | - | 4.98 | 200,937 |
| Landlocked Countries in Africa | 0 | - | 4.99 | 46,955 |
| 10 Easternmost Countries in Europe | 0 | - | 4.89 | 115,443 |
| Ten Highest Ranking FIFA Countries by Year | 0 | - | 4.95 | 310,065 |
| The Only European Country ... | 0 | - | 4.91 | 217,000 |
| Mediterranean Countries Quiz | 0 | - | 4.99 | 212,517 |
| European Countries NOT in NATO | 0 | - | 4.90 | 61,348 |
| Countries with Territorial Claims in Antarctica | 0 | - | 4.94 | 92,697 |
| Random Capital to Country | 0 | - | 4.99 | 2,592,911 |
| Random Country to Capital | 0 | - | 4.98 | 921,567 |
| Countries of Africa | 0 | - | 5.00 | 2,540,827 |
| Biggest City by Body of Water | 0 | - | 4.51 | 40,250 |
| Southernmost Major Cities | 0 | - | 4.48 | 57,427 |
| U.S. City Prefixes and Suffixes | 0 | - | 4.48 | 72,904 |
| Cities with the Most Foreign Embassies | 0 | - | 4.68 | 47,159 |
| U.S. Cities With Spanish Names | 0 | - | 4.94 | 23,297 |
| World Capitals Closest to Bangkok | 0 | - | 4.91 | 41,022 |
| Random African Capitals on a Map | 0 | - | 4.96 | 54,876 |
| Random Asian Capitals on a Map | 0 | - | 4.83 | 51,032 |
| Random European Capitals on a Map | 0 | - | 4.97 | 134,834 |
| US State Capitals Quiz - No Hints | 0 | - | 4.98 | 95,234 |
| 10 Westernmost U.S. State Capitals | 0 | - | 4.90 | 48,156 |
| Countries of Europe by Population | 0 | - | 4.98 | 181,131 |
| Most Populous Countries by Year | 0 | - | 4.83 | 110,759 |
| Most Populated Countries Bordering the Pacific Ocean | 0 | - | 4.97 | 95,659 |
| Most Populous Countries Bordering Each Other | 0 | - | 4.97 | 130,567 |
| Countries with the Most People Bordering Them | 0 | - | 4.98 | 108,011 |
| Populous Countries Bordering Smaller Countries | 0 | - | 4.97 | 113,247 |
| Densest Countries Bordering Each Other | 0 | - | 4.93 | 90,417 |
| Countries with a Population Under 1 Million by Clue | 0 | - | 4.99 | 92,939 |
| Most Populous World Capitals | 0 | - | 4.94 | 176,078 |
| Most Populous Countries in 2050 | 0 | - | 4.91 | 223,105 |
| First Countries to Reach 5 Million People | 0 | - | 4.92 | 135,401 |
| Most Populous Modern-Day Countries in 1000 AD | 0 | - | 4.88 | 76,255 |
| Most Populous Modern-Day Countries in 1 AD | 0 | - | 4.98 | 92,827 |
| Most Populous Modern-Day Countries in 1800 AD | 0 | - | 4.93 | 67,290 |
| Most Populous Modern-Day Countries in 1500 AD | 0 | - | 4.93 | 73,594 |
| Most Populous Modern-Day Countries by Century | 0 | - | 4.98 | 97,329 |
| U.S. Cities with the Most Skyscrapers | 0 | - | 4.89 | 95,589 |
| 15 Largest Cities in Africa With a Map | 0 | - | 4.95 | 110,822 |
| Most Guessed Cities by Country #3 | 0 | - | 4.89 | 46,076 |
| Summer Olympics Host Cities | 0 | - | 4.98 | 215,268 |
| Most-Visited Cities in Europe | 0 | - | 4.83 | 75,238 |
| Cities with the Biggest Economies | 0 | - | 4.90 | 130,988 |
| Five Most Guessed Cities by Continent | 0 | - | 4.96 | 112,875 |
| Former Capitals | 0 | - | 4.88 | 71,491 |
| Capital Cities Chain | 0 | - | 4.83 | 82,834 |
| Coldest World Capitals | 0 | - | 4.95 | 133,602 |
| Capital Cities with Spanish Names | 0 | - | 4.90 | 77,664 |
| Random Countries and Capitals without Vowels | 0 | - | 4.61 | 21,857 |
| Name a Valid Capital #1 | 0 | - | 4.96 | 91,004 |
| Countries of Europe - One Minute Sprint | 0 | - | 4.94 | 1,329,667 |
| Top 10 Languages Spoken in Europe | 0 | - | 4.96 | 219,010 |
| Countries of the Middle East | 0 | - | 4.96 | 201,352 |
| Countries with Territory in the Balkans | 0 | - | 4.96 | 89,408 |
| Slavic Countries | 0 | - | 4.96 | 111,767 |
| African Island Countries | 0 | - | 4.96 | 101,728 |
| Straight Shot to Antarctica | 0 | - | 4.94 | 42,920 |
| Countries of Europe in 1650 with a Map | 0 | - | 4.95 | 69,419 |
| All Countries Never To Qualify For A FIFA World Cup | 0 | - | 4.81 | 47,215 |
| Countries with the Highest Population Density | 0 | - | 4.95 | 165,068 |
| Countries with the Lowest Population Density | 0 | - | 4.98 | 170,231 |
| Countries of North America Quiz | 0 | - | 5.00 | 1,024,463 |
| Countries of Asia with Two or More Words | 0 | - | 4.96 | 127,024 |
| Asian Countries Ending in "IA" | 0 | - | 4.96 | 107,604 |
| African Countries with the Shortest Names | 0 | - | 4.98 | 153,671 |
| Five Top Olympic Medal-Winning Countries by Continent | 0 | - | 4.96 | 144,405 |
| Top 10 Biggest African Countries by Area | 0 | - | 4.99 | 217,158 |
| 10 Biggest European Countries by Area | 0 | - | 4.99 | 192,776 |
| 10 Biggest Asian Countries by Area | 0 | - | 4.97 | 153,853 |
| 10 Biggest American Countries by Area | 0 | - | 4.95 | 112,666 |
| Top 10 Most Populous American Countries | 0 | - | 4.97 | 144,301 |
| 10 Westernmost Countries in Europe | 0 | - | 4.96 | 151,305 |
| 10 Southernmost Countries in Africa | 0 | - | 4.98 | 116,679 |
| 10 Northernmost Countries in Africa | 0 | - | 4.98 | 161,346 |
| 10 Southernmost Countries in Asia | 0 | - | 4.97 | 99,254 |
| 10 Easternmost Countries in Asia | 0 | - | 4.99 | 108,092 |
| Top 10 Smallest African Countries by Area | 0 | - | 4.96 | 33,348 |
| U.S. State Capitals Map Quiz | 0 | - | 4.93 | 144,739 |
| Boundary Waters | 0 | - | 4.92 | 88,515 |
| Countries Along the Afro-Eurasia Coast | 0 | - | 4.86 | 35,209 |
| The Same Suffixes - Geography | 0 | - | 4.98 | 96,183 |
| 100 Geography Questions of Varying Difficulty | 0 | - | 4.93 | 62,576 |
| "Second Best" Geography Edition #2 | 0 | - | 4.88 | 60,528 |
| Top 10 Most Populous European Countries | 0 | - | 4.97 | 233,091 |
| Top 10 Most Populous Asian Countries | 0 | - | 4.97 | 184,017 |
| Top 10 Most Populous African Countries | 0 | - | 4.99 | 193,483 |
| Top 10 Most Densely-Populated Countries in Asia | 0 | - | 4.92 | 104,143 |
| Countries by Population Decrease | 0 | - | 4.46 | 49,851 |
| Top 10 Asian Countries by Population Increase | 0 | - | 4.93 | 108,496 |
| Flags of Countries With More Than 100 Million People | 0 | - | 4.97 | 159,388 |
| Countries Gaining the Most Population by 2070 | 0 | - | 4.63 | 64,257 |
| Least Dense Countries Bordering Each Other | 0 | - | 4.85 | 23,472 |
| Most Populous Countries in 1900 | 0 | - | 4.91 | 173,832 |
| Unusual U.S. City Names | 0 | - | 4.51 | 27,838 |
| Northernmost Major Cities | 0 | - | 4.08 | 56,538 |
| Biggest Cities Named for Saints | 0 | - | 4.36 | 95,527 |
| Biggest U.S. Cities with 4 or 5 Letters | 0 | - | 4.39 | 47,137 |
| Lonely Planet Top 200 Cities | 0 | - | 4.52 | 221,039 |
| Ancient City to Country | 0 | - | 4.70 | 108,083 |
| Official Cities in the UK | 0 | - | 4.89 | 284,156 |
| Most Appealing Cities for Working Abroad | 0 | - | 4.38 | 36,155 |
| City-States | 0 | - | 4.53 | 37,286 |
| Cities by Latitude Longitude Coordinates | 0 | - | 4.45 | 8,575 |
| Cities with the Most International Tourists | 0 | - | 4.45 | 54,170 |
| Damaged and Destroyed Cities | 0 | - | 4.44 | 44,696 |
