| Five Most Inland Capital Cities by Continent | 0 | - | 4.92 | 13,393 |
| Countries by Capitals and Borders in 90 Seconds | 0 | - | 4.83 | 227,056 |
| Capitals of the Most Populated Countries | 0 | - | 4.96 | 128,120 |
| Africa Capitals Quiz | 0 | - | 4.99 | 740,354 |
| Asia Capitals Quiz | 0 | - | 4.98 | 695,309 |
| World Capitals Quiz | 0 | - | 5.00 | 5,087,367 |
| Europe Capital to Country | 0 | - | 4.99 | 251,076 |
| Asia Capital to Country | 0 | - | 4.96 | 126,938 |
| EU Capitals with No Hints | 0 | - | 4.96 | 146,317 |
| European Capitals by Map | 0 | - | 4.99 | 140,285 |
| African Capitals by Map | 0 | - | 4.99 | 136,081 |
| Asian Capitals by Map | 0 | - | 4.98 | 62,830 |
| 10 Westernmost Capital Cities in Europe | 0 | - | 4.88 | 92,369 |
| 10 Northernmost Capital Cities in Europe | 0 | - | 4.96 | 84,708 |
| European Coastal Capitals | 0 | - | 4.95 | 90,891 |
| 10 Easternmost Capital Cities in Asia | 0 | - | 4.89 | 52,701 |
| Capitals of Oceania Quiz | 0 | - | 4.99 | 271,105 |
| Europe by Capitals and Borders in 30 Seconds | 0 | - | 4.88 | 224,770 |
| Capitals of Mediterranean Countries | 0 | - | 4.95 | 81,948 |
| Nordic Countries and Capitals | 0 | - | 4.95 | 83,837 |
| Random European Capital to Country | 0 | - | 4.98 | 191,565 |
| Random European Country to Capital | 0 | - | 4.93 | 165,477 |
| Random Asian Country to Capital | 0 | - | 4.92 | 96,762 |
| Random Asian Capital to Country | 0 | - | 4.97 | 103,073 |
| Random African Capital to Country | 0 | - | 4.97 | 100,977 |
| Random African Country to Capital | 0 | - | 4.94 | 71,455 |
| Top 50 Countries by Population - In Order | 0 | - | 4.98 | 332,199 |
| Europe Capitals Quiz | 0 | - | 5.00 | 1,592,275 |
| South America Capitals Quiz | 0 | - | 5.00 | 483,023 |
| North America Capitals Quiz | 0 | - | 4.99 | 220,808 |
| African Capitals - Map Quiz | 0 | - | 4.94 | 62,776 |
| Top 10 Most Remote European Capitals | 0 | - | 4.87 | 94,253 |
| European Capitals - Map Quiz | 0 | - | 4.97 | 119,602 |
| Middle East Capital Cities Quiz | 0 | - | 4.96 | 88,081 |
| European Capitals Furthest from the Sea | 0 | - | 4.92 | 82,342 |
| Asian Capitals - Map Quiz | 0 | - | 4.95 | 61,603 |
| European Capitals Ending in N | 0 | - | 4.92 | 81,458 |
| Capitals of the Stans | 0 | - | 4.95 | 26,959 |
| Countries More Populous Than Their Neighbors | 0 | - | 4.99 | 174,094 |
| Countries with Megacities | 0 | - | 4.99 | 265,020 |
| Countries With More than 50 Million People | 0 | - | 4.99 | 199,911 |
| Countries with the Most Population Growth by Decade | 0 | - | 4.98 | 113,585 |
| Countries With More than 200 Million People | 0 | - | 4.95 | 138,170 |
| Countries Less Populous Than Their Neighbors | 0 | - | 4.96 | 81,659 |
| Global Cities on a World Map | 0 | - | 4.93 | 136,667 |
| Northernmost Capital Cities | 0 | - | 4.98 | 110,634 |
| Most Remote Capital Cities | 0 | - | 4.92 | 53,612 |
| Capital Cities: Ports and Saints | 0 | - | 4.96 | 45,751 |
| Capitals with the Shortest Names | 0 | - | 4.97 | 109,599 |
| Same Letter Country and Capital | 0 | - | 4.99 | 157,458 |
| Countries by Capital City | 0 | - | 5.00 | 68,742 |
| Capital Cities Based on First Two Letters | 0 | - | 4.85 | 77,434 |
| Capitals of the Largest Countries by Area | 0 | - | 4.97 | 114,877 |
| Divided Capital Name Puzzle #1 | 0 | - | 4.99 | 84,464 |
| Moved Capital Cities | 0 | - | 4.96 | 74,396 |
| Countries by Sports League Revenue | 0 | - | 4.94 | 77,822 |
| Biggest Countries by Population | 0 | - | 5.00 | 1,449,242 |
| Smallest Countries by Population and Area | 0 | - | 4.99 | 381,234 |
| World Capitals by Proximity | 0 | - | 4.90 | 332,400 |
| Capitals of Canadian Provinces | 0 | - | 4.85 | 89,313 |
| Name a Valid European Capital | 0 | - | 4.95 | 152,916 |
| European Capital Superlatives - Top 2 | 0 | - | 4.95 | 81,330 |
| Single Vowel Capitals | 0 | - | 4.81 | 14,578 |
| Five Most Densely Populated Countries by Continent | 0 | - | 4.96 | 87,006 |
| Five Most Populated Countries by Continent | 0 | - | 4.99 | 268,347 |
| Most Populous Countries with Exceptions | 0 | - | 4.98 | 122,249 |
| Top 10 Most Densely-Populated Countries in Europe | 0 | - | 4.98 | 112,622 |
| Five Least Densely Populated Countries by Continent | 0 | - | 4.90 | 93,812 |
| Countries by Population Range - Tile Select | 0 | - | 4.87 | 59,278 |
| North American Sports Cities | 0 | - | 4.83 | 172,712 |
| Summer Olympic City Bids | 0 | - | 4.94 | 42,424 |
| Cities with the Most Metro Rail Stations | 0 | - | 4.89 | 102,635 |
| Name a City - European Countries | 0 | - | 4.90 | 65,733 |
| Cities by Former Name | 0 | - | 4.83 | 91,777 |
| Capitals in their Native Languages | 0 | - | 4.95 | 133,517 |
| Nearest Capital City #1 | 0 | - | 4.83 | 57,790 |
| South American Capitals - Map Quiz | 0 | - | 4.98 | 130,864 |
| Most Guessed European Capitals | 0 | - | 4.87 | 101,635 |
| Capitals Furthest from the Border | 0 | - | 4.96 | 69,463 |
| World Capitals by Map | 0 | - | 5.00 | 287,735 |
| Capital Cities in a Ring of the World Map | 0 | - | 4.95 | 58,530 |
| Capitals Starting With H | 0 | - | 4.91 | 92,784 |
| Capitals Starting With K | 0 | - | 4.88 | 83,836 |
| Capitals Starting With L | 0 | - | 4.81 | 88,298 |
| Capitals Starting With M | 0 | - | 4.93 | 108,154 |
| Capitals Starting With P | 0 | - | 4.88 | 78,410 |
| Capitals Starting With R | 0 | - | 4.87 | 82,030 |
| Capitals Starting With S | 0 | - | 4.90 | 86,014 |
| Capitals Starting With T | 0 | - | 4.85 | 76,363 |
| Capitals Starting With W | 0 | - | 4.87 | 91,425 |
| Capitals Starting With A | 0 | - | 4.97 | 128,366 |
| Capitals Starting With B | 0 | - | 4.89 | 118,784 |
| Capitals Starting With D | 0 | - | 4.93 | 96,688 |
| Countries That Use the Euro | 0 | - | 4.95 | 105,754 |
| Olympic Host Countries | 0 | - | 4.98 | 201,231 |
| Landlocked Countries in Africa | 0 | - | 4.99 | 47,170 |
| 10 Easternmost Countries in Europe | 0 | - | 4.89 | 115,843 |
| Ten Highest Ranking FIFA Countries by Year | 0 | - | 4.95 | 311,230 |
| The Only European Country ... | 0 | - | 4.91 | 217,631 |
| Mediterranean Countries Quiz | 0 | - | 4.99 | 212,955 |
| European Countries NOT in NATO | 0 | - | 4.90 | 61,735 |
| Countries with Territorial Claims in Antarctica | 0 | - | 4.94 | 92,761 |
| Random Capital to Country | 0 | - | 4.99 | 2,595,632 |
| Random Country to Capital | 0 | - | 4.98 | 923,558 |
| Countries of Africa | 0 | - | 5.00 | 2,546,994 |
| Biggest City by Body of Water | 0 | - | 4.51 | 40,267 |
| Southernmost Major Cities | 0 | - | 4.48 | 57,530 |
| U.S. City Prefixes and Suffixes | 0 | - | 4.48 | 72,963 |
| Cities with the Most Foreign Embassies | 0 | - | 4.69 | 47,179 |
| U.S. Cities With Spanish Names | 0 | - | 4.94 | 23,465 |
| World Capitals Closest to Bangkok | 0 | - | 4.91 | 41,057 |
| Random African Capitals on a Map | 0 | - | 4.96 | 54,951 |
| Random Asian Capitals on a Map | 0 | - | 4.82 | 51,135 |
| Random European Capitals on a Map | 0 | - | 4.97 | 135,021 |
| US State Capitals Quiz - No Hints | 0 | - | 4.98 | 95,350 |
| 10 Westernmost U.S. State Capitals | 0 | - | 4.90 | 48,204 |
| Countries of Europe by Population | 0 | - | 4.98 | 181,715 |
| Most Populous Countries by Year | 0 | - | 4.83 | 110,937 |
| Most Populated Countries Bordering the Pacific Ocean | 0 | - | 4.97 | 95,729 |
| Most Populous Countries Bordering Each Other | 0 | - | 4.97 | 130,812 |
| Countries with the Most People Bordering Them | 0 | - | 4.98 | 108,222 |
| Populous Countries Bordering Smaller Countries | 0 | - | 4.97 | 113,388 |
| Densest Countries Bordering Each Other | 0 | - | 4.93 | 90,543 |
| Countries with a Population Under 1 Million by Clue | 0 | - | 4.99 | 93,016 |
| Most Populous World Capitals | 0 | - | 4.94 | 176,294 |
| Most Populous Countries in 2050 | 0 | - | 4.91 | 223,336 |
| First Countries to Reach 5 Million People | 0 | - | 4.93 | 135,565 |
| Most Populous Modern-Day Countries in 1000 AD | 0 | - | 4.88 | 76,331 |
| Most Populous Modern-Day Countries in 1 AD | 0 | - | 4.98 | 92,962 |
| Most Populous Modern-Day Countries in 1800 AD | 0 | - | 4.93 | 67,362 |
| Most Populous Modern-Day Countries in 1500 AD | 0 | - | 4.93 | 73,668 |
| Most Populous Modern-Day Countries by Century | 0 | - | 4.98 | 97,460 |
| U.S. Cities with the Most Skyscrapers | 0 | - | 4.89 | 95,645 |
| 15 Largest Cities in Africa With a Map | 0 | - | 4.96 | 111,047 |
| Most Guessed Cities by Country #3 | 0 | - | 4.89 | 46,422 |
| Summer Olympics Host Cities | 0 | - | 4.98 | 215,643 |
| Most-Visited Cities in Europe | 0 | - | 4.83 | 75,498 |
| Cities with the Biggest Economies | 0 | - | 4.91 | 131,324 |
| Five Most Guessed Cities by Continent | 0 | - | 4.96 | 113,179 |
| Former Capitals | 0 | - | 4.88 | 71,547 |
| Capital Cities Chain | 0 | - | 4.84 | 83,022 |
| Coldest World Capitals | 0 | - | 4.95 | 133,686 |
| Capital Cities with Spanish Names | 0 | - | 4.90 | 77,820 |
| Random Countries and Capitals without Vowels | 0 | - | 4.61 | 21,984 |
| Name a Valid Capital #1 | 0 | - | 4.96 | 91,170 |
| Countries of Europe - One Minute Sprint | 0 | - | 4.94 | 1,331,554 |
| Top 10 Languages Spoken in Europe | 0 | - | 4.96 | 219,591 |
| Countries of the Middle East | 0 | - | 4.96 | 201,819 |
| Countries with Territory in the Balkans | 0 | - | 4.96 | 89,662 |
| Slavic Countries | 0 | - | 4.96 | 111,968 |
| African Island Countries | 0 | - | 4.96 | 101,939 |
| Straight Shot to Antarctica | 0 | - | 4.94 | 42,990 |
| Countries of Europe in 1650 with a Map | 0 | - | 4.95 | 69,754 |
| All Countries Never To Qualify For A FIFA World Cup | 0 | - | 4.83 | 50,999 |
| Countries with the Highest Population Density | 0 | - | 4.95 | 165,268 |
| Countries with the Lowest Population Density | 0 | - | 4.98 | 170,438 |
| Countries of North America Quiz | 0 | - | 5.00 | 1,026,588 |
| Countries of Asia with Two or More Words | 0 | - | 4.96 | 127,320 |
| Asian Countries Ending in "IA" | 0 | - | 4.96 | 107,863 |
| African Countries with the Shortest Names | 0 | - | 4.98 | 153,958 |
| Five Top Olympic Medal-Winning Countries by Continent | 0 | - | 4.96 | 144,727 |
| Top 10 Biggest African Countries by Area | 0 | - | 4.99 | 217,464 |
| 10 Biggest European Countries by Area | 0 | - | 4.99 | 193,019 |
| 10 Biggest Asian Countries by Area | 0 | - | 4.97 | 154,097 |
| 10 Biggest American Countries by Area | 0 | - | 4.95 | 112,743 |
| Top 10 Most Populous American Countries | 0 | - | 4.97 | 144,448 |
| 10 Westernmost Countries in Europe | 0 | - | 4.96 | 151,521 |
| 10 Southernmost Countries in Africa | 0 | - | 4.98 | 116,847 |
| 10 Northernmost Countries in Africa | 0 | - | 4.98 | 161,552 |
| 10 Southernmost Countries in Asia | 0 | - | 4.97 | 99,415 |
| 10 Easternmost Countries in Asia | 0 | - | 4.99 | 108,288 |
| Top 10 Smallest African Countries by Area | 0 | - | 4.96 | 33,484 |
| U.S. State Capitals Map Quiz | 0 | - | 4.93 | 144,973 |
| Boundary Waters | 0 | - | 4.92 | 88,612 |
| Countries Along the Afro-Eurasia Coast | 0 | - | 4.86 | 35,280 |
| The Same Suffixes - Geography | 0 | - | 4.98 | 96,345 |
| 100 Geography Questions of Varying Difficulty | 0 | - | 4.93 | 62,828 |
| "Second Best" Geography Edition #2 | 0 | - | 4.88 | 60,676 |
| Top 10 Most Populous European Countries | 0 | - | 4.97 | 233,476 |
| Top 10 Most Populous Asian Countries | 0 | - | 4.97 | 184,336 |
| Top 10 Most Populous African Countries | 0 | - | 4.99 | 193,781 |
| Top 10 Most Densely-Populated Countries in Asia | 0 | - | 4.92 | 104,423 |
| Countries by Population Decrease | 0 | - | 4.46 | 49,892 |
| Top 10 Asian Countries by Population Increase | 0 | - | 4.93 | 108,616 |
| Flags of Countries With More Than 100 Million People | 0 | - | 4.97 | 159,586 |
| Countries Gaining the Most Population by 2070 | 0 | - | 4.63 | 64,336 |
| Least Dense Countries Bordering Each Other | 0 | - | 4.85 | 23,561 |
| Most Populous Countries in 1900 | 0 | - | 4.91 | 173,956 |
| Unusual U.S. City Names | 0 | - | 4.52 | 27,891 |
| Northernmost Major Cities | 0 | - | 4.08 | 56,549 |
| Biggest Cities Named for Saints | 0 | - | 4.36 | 95,557 |
| Biggest U.S. Cities with 4 or 5 Letters | 0 | - | 4.39 | 47,876 |
| Lonely Planet Top 200 Cities | 0 | - | 4.52 | 221,372 |
| Ancient City to Country | 0 | - | 4.70 | 108,173 |
| Official Cities in the UK | 0 | - | 4.89 | 284,781 |
| Most Appealing Cities for Working Abroad | 0 | - | 4.38 | 36,166 |
| City-States | 0 | - | 4.53 | 37,318 |
| Cities by Latitude Longitude Coordinates | 0 | - | 4.45 | 8,586 |
| Cities with the Most International Tourists | 0 | - | 4.45 | 54,369 |
| Damaged and Destroyed Cities | 0 | - | 4.44 | 44,728 |
