| Five Most Inland Capital Cities by Continent | 0 | - | 4.92 | 13,380 |
| Countries by Capitals and Borders in 90 Seconds | 0 | - | 4.83 | 227,008 |
| Capitals of the Most Populated Countries | 0 | - | 4.96 | 128,105 |
| Africa Capitals Quiz | 0 | - | 4.99 | 740,155 |
| Asia Capitals Quiz | 0 | - | 4.98 | 695,112 |
| World Capitals Quiz | 0 | - | 5.00 | 5,086,319 |
| Europe Capital to Country | 0 | - | 4.99 | 251,011 |
| Asia Capital to Country | 0 | - | 4.96 | 126,906 |
| EU Capitals with No Hints | 0 | - | 4.96 | 146,274 |
| European Capitals by Map | 0 | - | 4.99 | 140,139 |
| African Capitals by Map | 0 | - | 4.99 | 134,254 |
| Asian Capitals by Map | 0 | - | 4.98 | 62,706 |
| 10 Westernmost Capital Cities in Europe | 0 | - | 4.88 | 92,339 |
| 10 Northernmost Capital Cities in Europe | 0 | - | 4.96 | 84,681 |
| European Coastal Capitals | 0 | - | 4.95 | 90,864 |
| 10 Easternmost Capital Cities in Asia | 0 | - | 4.89 | 52,693 |
| Capitals of Oceania Quiz | 0 | - | 4.99 | 270,976 |
| Europe by Capitals and Borders in 30 Seconds | 0 | - | 4.88 | 224,693 |
| Capitals of Mediterranean Countries | 0 | - | 4.95 | 81,941 |
| Nordic Countries and Capitals | 0 | - | 4.95 | 83,824 |
| Random European Capital to Country | 0 | - | 4.98 | 191,530 |
| Random European Country to Capital | 0 | - | 4.93 | 165,461 |
| Random Asian Country to Capital | 0 | - | 4.92 | 96,681 |
| Random Asian Capital to Country | 0 | - | 4.97 | 103,037 |
| Random African Capital to Country | 0 | - | 4.97 | 100,938 |
| Random African Country to Capital | 0 | - | 4.94 | 71,431 |
| Top 50 Countries by Population - In Order | 0 | - | 4.98 | 331,974 |
| Europe Capitals Quiz | 0 | - | 5.00 | 1,591,773 |
| South America Capitals Quiz | 0 | - | 5.00 | 482,872 |
| North America Capitals Quiz | 0 | - | 4.99 | 220,723 |
| African Capitals - Map Quiz | 0 | - | 4.94 | 62,765 |
| Top 10 Most Remote European Capitals | 0 | - | 4.87 | 94,239 |
| European Capitals - Map Quiz | 0 | - | 4.97 | 119,569 |
| Middle East Capital Cities Quiz | 0 | - | 4.96 | 88,059 |
| European Capitals Furthest from the Sea | 0 | - | 4.92 | 82,324 |
| Asian Capitals - Map Quiz | 0 | - | 4.95 | 61,572 |
| European Capitals Ending in N | 0 | - | 4.92 | 81,442 |
| Capitals of the Stans | 0 | - | 4.95 | 26,935 |
| Countries More Populous Than Their Neighbors | 0 | - | 4.99 | 174,031 |
| Countries with Megacities | 0 | - | 4.99 | 264,896 |
| Countries With More than 50 Million People | 0 | - | 4.99 | 199,861 |
| Countries with the Most Population Growth by Decade | 0 | - | 4.98 | 113,551 |
| Countries With More than 200 Million People | 0 | - | 4.95 | 138,128 |
| Countries Less Populous Than Their Neighbors | 0 | - | 4.96 | 81,623 |
| Global Cities on a World Map | 0 | - | 4.93 | 136,639 |
| Northernmost Capital Cities | 0 | - | 4.98 | 110,604 |
| Most Remote Capital Cities | 0 | - | 4.92 | 53,596 |
| Capital Cities: Ports and Saints | 0 | - | 4.96 | 45,728 |
| Capitals with the Shortest Names | 0 | - | 4.97 | 109,556 |
| Same Letter Country and Capital | 0 | - | 4.99 | 157,418 |
| Countries by Capital City | 0 | - | 5.00 | 68,709 |
| Capital Cities Based on First Two Letters | 0 | - | 4.85 | 77,413 |
| Capitals of the Largest Countries by Area | 0 | - | 4.96 | 114,858 |
| Divided Capital Name Puzzle #1 | 0 | - | 4.99 | 84,450 |
| Moved Capital Cities | 0 | - | 4.96 | 74,384 |
| Countries by Sports League Revenue | 0 | - | 4.94 | 77,771 |
| Biggest Countries by Population | 0 | - | 5.00 | 1,448,966 |
| Smallest Countries by Population and Area | 0 | - | 4.99 | 381,170 |
| World Capitals by Proximity | 0 | - | 4.90 | 332,328 |
| Capitals of Canadian Provinces | 0 | - | 4.85 | 89,302 |
| Name a Valid European Capital | 0 | - | 4.95 | 152,861 |
| European Capital Superlatives - Top 2 | 0 | - | 4.95 | 81,313 |
| Single Vowel Capitals | 0 | - | 4.81 | 14,566 |
| Five Most Densely Populated Countries by Continent | 0 | - | 4.96 | 86,991 |
| Five Most Populated Countries by Continent | 0 | - | 4.99 | 268,311 |
| Most Populous Countries with Exceptions | 0 | - | 4.98 | 122,231 |
| Top 10 Most Densely-Populated Countries in Europe | 0 | - | 4.98 | 112,605 |
| Five Least Densely Populated Countries by Continent | 0 | - | 4.92 | 93,785 |
| Countries by Population Range - Tile Select | 0 | - | 4.87 | 59,264 |
| North American Sports Cities | 0 | - | 4.83 | 172,696 |
| Summer Olympic City Bids | 0 | - | 4.94 | 42,421 |
| Cities with the Most Metro Rail Stations | 0 | - | 4.89 | 102,615 |
| Name a City - European Countries | 0 | - | 4.90 | 65,693 |
| Cities by Former Name | 0 | - | 4.83 | 91,763 |
| Capitals in their Native Languages | 0 | - | 4.95 | 133,506 |
| Nearest Capital City #1 | 0 | - | 4.83 | 57,778 |
| South American Capitals - Map Quiz | 0 | - | 4.98 | 130,830 |
| Most Guessed European Capitals | 0 | - | 4.87 | 101,622 |
| Capitals Furthest from the Border | 0 | - | 4.96 | 69,448 |
| World Capitals by Map | 0 | - | 5.00 | 287,625 |
| Capital Cities in a Ring of the World Map | 0 | - | 4.95 | 58,508 |
| Capitals Starting With H | 0 | - | 4.91 | 92,762 |
| Capitals Starting With K | 0 | - | 4.88 | 83,816 |
| Capitals Starting With L | 0 | - | 4.81 | 88,285 |
| Capitals Starting With M | 0 | - | 4.93 | 108,125 |
| Capitals Starting With P | 0 | - | 4.88 | 78,388 |
| Capitals Starting With R | 0 | - | 4.87 | 82,009 |
| Capitals Starting With S | 0 | - | 4.90 | 85,995 |
| Capitals Starting With T | 0 | - | 4.84 | 76,345 |
| Capitals Starting With W | 0 | - | 4.87 | 91,420 |
| Capitals Starting With A | 0 | - | 4.97 | 128,345 |
| Capitals Starting With B | 0 | - | 4.89 | 118,760 |
| Capitals Starting With D | 0 | - | 4.93 | 96,667 |
| Countries That Use the Euro | 0 | - | 4.95 | 105,685 |
| Olympic Host Countries | 0 | - | 4.98 | 201,189 |
| Landlocked Countries in Africa | 0 | - | 4.99 | 47,149 |
| 10 Easternmost Countries in Europe | 0 | - | 4.89 | 115,776 |
| Ten Highest Ranking FIFA Countries by Year | 0 | - | 4.95 | 311,079 |
| The Only European Country ... | 0 | - | 4.91 | 217,552 |
| Mediterranean Countries Quiz | 0 | - | 4.99 | 212,889 |
| European Countries NOT in NATO | 0 | - | 4.90 | 61,682 |
| Countries with Territorial Claims in Antarctica | 0 | - | 4.94 | 92,752 |
| Random Capital to Country | 0 | - | 4.99 | 2,595,340 |
| Random Country to Capital | 0 | - | 4.98 | 923,268 |
| Countries of Africa | 0 | - | 5.00 | 2,546,378 |
| Biggest City by Body of Water | 0 | - | 4.51 | 40,266 |
| Southernmost Major Cities | 0 | - | 4.48 | 57,515 |
| U.S. City Prefixes and Suffixes | 0 | - | 4.48 | 72,961 |
| Cities with the Most Foreign Embassies | 0 | - | 4.69 | 47,179 |
| U.S. Cities With Spanish Names | 0 | - | 4.94 | 23,447 |
| World Capitals Closest to Bangkok | 0 | - | 4.91 | 41,055 |
| Random African Capitals on a Map | 0 | - | 4.96 | 54,947 |
| Random Asian Capitals on a Map | 0 | - | 4.82 | 51,101 |
| Random European Capitals on a Map | 0 | - | 4.97 | 134,995 |
| US State Capitals Quiz - No Hints | 0 | - | 4.98 | 95,342 |
| 10 Westernmost U.S. State Capitals | 0 | - | 4.90 | 48,195 |
| Countries of Europe by Population | 0 | - | 4.98 | 181,626 |
| Most Populous Countries by Year | 0 | - | 4.83 | 110,917 |
| Most Populated Countries Bordering the Pacific Ocean | 0 | - | 4.97 | 95,723 |
| Most Populous Countries Bordering Each Other | 0 | - | 4.97 | 130,784 |
| Countries with the Most People Bordering Them | 0 | - | 4.98 | 108,206 |
| Populous Countries Bordering Smaller Countries | 0 | - | 4.97 | 113,366 |
| Densest Countries Bordering Each Other | 0 | - | 4.93 | 90,530 |
| Countries with a Population Under 1 Million by Clue | 0 | - | 4.99 | 93,009 |
| Most Populous World Capitals | 0 | - | 4.94 | 176,264 |
| Most Populous Countries in 2050 | 0 | - | 4.91 | 223,288 |
| First Countries to Reach 5 Million People | 0 | - | 4.93 | 135,550 |
| Most Populous Modern-Day Countries in 1000 AD | 0 | - | 4.88 | 76,325 |
| Most Populous Modern-Day Countries in 1 AD | 0 | - | 4.98 | 92,950 |
| Most Populous Modern-Day Countries in 1800 AD | 0 | - | 4.93 | 67,357 |
| Most Populous Modern-Day Countries in 1500 AD | 0 | - | 4.93 | 73,663 |
| Most Populous Modern-Day Countries by Century | 0 | - | 4.98 | 97,437 |
| U.S. Cities with the Most Skyscrapers | 0 | - | 4.89 | 95,637 |
| 15 Largest Cities in Africa With a Map | 0 | - | 4.96 | 111,021 |
| Most Guessed Cities by Country #3 | 0 | - | 4.89 | 46,351 |
| Summer Olympics Host Cities | 0 | - | 4.98 | 215,590 |
| Most-Visited Cities in Europe | 0 | - | 4.83 | 75,462 |
| Cities with the Biggest Economies | 0 | - | 4.91 | 131,222 |
| Five Most Guessed Cities by Continent | 0 | - | 4.96 | 113,088 |
| Former Capitals | 0 | - | 4.88 | 71,538 |
| Capital Cities Chain | 0 | - | 4.84 | 82,996 |
| Coldest World Capitals | 0 | - | 4.95 | 133,677 |
| Capital Cities with Spanish Names | 0 | - | 4.90 | 77,794 |
| Random Countries and Capitals without Vowels | 0 | - | 4.61 | 21,970 |
| Name a Valid Capital #1 | 0 | - | 4.96 | 91,150 |
| Countries of Europe - One Minute Sprint | 0 | - | 4.94 | 1,331,262 |
| Top 10 Languages Spoken in Europe | 0 | - | 4.96 | 219,516 |
| Countries of the Middle East | 0 | - | 4.96 | 201,782 |
| Countries with Territory in the Balkans | 0 | - | 4.96 | 89,630 |
| Slavic Countries | 0 | - | 4.96 | 111,942 |
| African Island Countries | 0 | - | 4.96 | 101,914 |
| Straight Shot to Antarctica | 0 | - | 4.94 | 42,978 |
| Countries of Europe in 1650 with a Map | 0 | - | 4.95 | 69,711 |
| All Countries Never To Qualify For A FIFA World Cup | 0 | - | 4.82 | 50,344 |
| Countries with the Highest Population Density | 0 | - | 4.95 | 165,245 |
| Countries with the Lowest Population Density | 0 | - | 4.98 | 170,410 |
| Countries of North America Quiz | 0 | - | 5.00 | 1,026,337 |
| Countries of Asia with Two or More Words | 0 | - | 4.96 | 127,295 |
| Asian Countries Ending in "IA" | 0 | - | 4.96 | 107,846 |
| African Countries with the Shortest Names | 0 | - | 4.98 | 153,915 |
| Five Top Olympic Medal-Winning Countries by Continent | 0 | - | 4.96 | 144,687 |
| Top 10 Biggest African Countries by Area | 0 | - | 4.99 | 217,425 |
| 10 Biggest European Countries by Area | 0 | - | 4.99 | 192,979 |
| 10 Biggest Asian Countries by Area | 0 | - | 4.97 | 154,084 |
| 10 Biggest American Countries by Area | 0 | - | 4.95 | 112,734 |
| Top 10 Most Populous American Countries | 0 | - | 4.97 | 144,435 |
| 10 Westernmost Countries in Europe | 0 | - | 4.96 | 151,487 |
| 10 Southernmost Countries in Africa | 0 | - | 4.98 | 116,828 |
| 10 Northernmost Countries in Africa | 0 | - | 4.98 | 161,529 |
| 10 Southernmost Countries in Asia | 0 | - | 4.97 | 99,400 |
| 10 Easternmost Countries in Asia | 0 | - | 4.99 | 108,267 |
| Top 10 Smallest African Countries by Area | 0 | - | 4.96 | 33,461 |
| U.S. State Capitals Map Quiz | 0 | - | 4.93 | 144,963 |
| Boundary Waters | 0 | - | 4.92 | 88,601 |
| Countries Along the Afro-Eurasia Coast | 0 | - | 4.86 | 35,271 |
| The Same Suffixes - Geography | 0 | - | 4.98 | 96,324 |
| 100 Geography Questions of Varying Difficulty | 0 | - | 4.93 | 62,797 |
| "Second Best" Geography Edition #2 | 0 | - | 4.88 | 60,660 |
| Top 10 Most Populous European Countries | 0 | - | 4.97 | 233,425 |
| Top 10 Most Populous Asian Countries | 0 | - | 4.97 | 184,305 |
| Top 10 Most Populous African Countries | 0 | - | 4.99 | 193,738 |
| Top 10 Most Densely-Populated Countries in Asia | 0 | - | 4.92 | 104,396 |
| Countries by Population Decrease | 0 | - | 4.46 | 49,885 |
| Top 10 Asian Countries by Population Increase | 0 | - | 4.93 | 108,602 |
| Flags of Countries With More Than 100 Million People | 0 | - | 4.97 | 159,568 |
| Countries Gaining the Most Population by 2070 | 0 | - | 4.63 | 64,331 |
| Least Dense Countries Bordering Each Other | 0 | - | 4.85 | 23,549 |
| Most Populous Countries in 1900 | 0 | - | 4.91 | 173,946 |
| Unusual U.S. City Names | 0 | - | 4.52 | 27,886 |
| Northernmost Major Cities | 0 | - | 4.08 | 56,549 |
| Biggest Cities Named for Saints | 0 | - | 4.36 | 95,553 |
| Biggest U.S. Cities with 4 or 5 Letters | 0 | - | 4.39 | 47,827 |
| Lonely Planet Top 200 Cities | 0 | - | 4.52 | 221,344 |
| Ancient City to Country | 0 | - | 4.70 | 108,161 |
| Official Cities in the UK | 0 | - | 4.89 | 284,698 |
| Most Appealing Cities for Working Abroad | 0 | - | 4.38 | 36,165 |
| City-States | 0 | - | 4.53 | 37,316 |
| Cities by Latitude Longitude Coordinates | 0 | - | 4.45 | 8,585 |
| Cities with the Most International Tourists | 0 | - | 4.45 | 54,359 |
| Damaged and Destroyed Cities | 0 | - | 4.44 | 44,728 |
