| Countries by Capitals and Borders in 90 Seconds | 0 | - | 4.84 | 225,588 |
| Capitals of the Most Populated Countries | 0 | - | 4.96 | 127,305 |
| Africa Capitals Quiz | 0 | - | 4.99 | 732,242 |
| Asia Capitals Quiz | 0 | - | 4.98 | 687,811 |
| World Capitals Quiz | 0 | - | 5.00 | 5,042,754 |
| Europe Capital to Country | 0 | - | 4.99 | 248,481 |
| Asia Capital to Country | 0 | - | 4.96 | 125,992 |
| EU Capitals with No Hints | 0 | - | 4.96 | 144,853 |
| European Capitals by Map | 0 | - | 4.99 | 137,185 |
| African Capitals by Map | 0 | - | 4.99 | 132,538 |
| Asian Capitals by Map | 0 | - | 4.98 | 61,542 |
| 10 Westernmost Capital Cities in Europe | 0 | - | 4.88 | 91,461 |
| 10 Northernmost Capital Cities in Europe | 0 | - | 4.96 | 83,844 |
| European Coastal Capitals | 0 | - | 4.95 | 89,974 |
| 10 Easternmost Capital Cities in Asia | 0 | - | 4.89 | 52,287 |
| Capitals of Oceania Quiz | 0 | - | 4.99 | 267,705 |
| Europe by Capitals and Borders in 30 Seconds | 0 | - | 4.88 | 222,405 |
| Capitals of Mediterranean Countries | 0 | - | 4.95 | 81,503 |
| Nordic Countries and Capitals | 0 | - | 4.95 | 83,213 |
| Random European Capital to Country | 0 | - | 4.98 | 189,556 |
| Random European Country to Capital | 0 | - | 4.92 | 147,714 |
| Random Asian Country to Capital | 0 | - | 4.92 | 95,550 |
| Random Asian Capital to Country | 0 | - | 4.97 | 101,643 |
| Random African Capital to Country | 0 | - | 4.97 | 99,890 |
| Random African Country to Capital | 0 | - | 4.94 | 70,383 |
| Top 50 Countries by Population - In Order | 0 | - | 4.98 | 325,828 |
| Europe Capitals Quiz | 0 | - | 5.00 | 1,574,888 |
| South America Capitals Quiz | 0 | - | 5.00 | 478,423 |
| North America Capitals Quiz | 0 | - | 4.99 | 217,729 |
| African Capitals - Map Quiz | 0 | - | 4.93 | 61,861 |
| Top 10 Most Remote European Capitals | 0 | - | 4.86 | 93,592 |
| European Capitals - Map Quiz | 0 | - | 4.97 | 118,397 |
| Middle East Capital Cities Quiz | 0 | - | 4.96 | 87,369 |
| European Capitals Furthest from the Sea | 0 | - | 4.92 | 81,837 |
| Asian Capitals - Map Quiz | 0 | - | 4.95 | 60,708 |
| European Capitals Ending in N | 0 | - | 4.92 | 80,903 |
| Capitals of the Stans | 0 | - | 4.95 | 26,533 |
| Countries More Populous Than Their Neighbors | 0 | - | 4.99 | 171,904 |
| Countries with Megacities | 0 | - | 4.99 | 248,185 |
| Countries With More than 50 Million People | 0 | - | 4.99 | 197,793 |
| Countries with the Most Population Growth by Decade | 0 | - | 4.98 | 112,358 |
| Countries With More than 200 Million People | 0 | - | 4.96 | 136,174 |
| Countries Less Populous Than Their Neighbors | 0 | - | 4.96 | 80,295 |
| Global Cities on a World Map | 0 | - | 4.93 | 135,192 |
| Northernmost Capital Cities | 0 | - | 4.98 | 109,351 |
| Most Remote Capital Cities | 0 | - | 4.92 | 52,931 |
| Capital Cities: Ports and Saints | 0 | - | 4.96 | 44,888 |
| Capitals with the Shortest Names | 0 | - | 4.97 | 108,072 |
| Same Letter Country and Capital | 0 | - | 4.99 | 155,913 |
| Countries by Capital City | 0 | - | 5.00 | 67,156 |
| Capital Cities Based on First Two Letters | 0 | - | 4.85 | 76,569 |
| Capitals of the Largest Countries by Area | 0 | - | 4.96 | 114,110 |
| Divided Capital Name Puzzle #1 | 0 | - | 4.99 | 83,571 |
| Moved Capital Cities | 0 | - | 4.96 | 73,774 |
| Countries by Sports League Revenue | 0 | - | 4.95 | 75,920 |
| Biggest Countries by Population | 0 | - | 5.00 | 1,437,919 |
| Smallest Countries by Population and Area | 0 | - | 4.99 | 378,376 |
| World Capitals by Proximity | 0 | - | 4.91 | 329,162 |
| Capitals of Canadian Provinces | 0 | - | 4.85 | 88,590 |
| Name a Valid European Capital | 0 | - | 4.95 | 151,333 |
| European Capital Superlatives - Top 2 | 0 | - | 4.94 | 80,815 |
| Five Most Densely Populated Countries by Continent | 0 | - | 4.95 | 86,157 |
| Five Most Populated Countries by Continent | 0 | - | 4.99 | 266,575 |
| Most Populous Countries with Exceptions | 0 | - | 4.98 | 121,156 |
| Top 10 Most Densely-Populated Countries in Europe | 0 | - | 4.98 | 111,629 |
| Five Least Densely Populated Countries by Continent | 0 | - | 4.92 | 92,956 |
| Countries by Population Range - Tile Select | 0 | - | 4.87 | 58,523 |
| North American Sports Cities | 0 | - | 4.83 | 171,182 |
| Summer Olympic City Bids | 0 | - | 4.93 | 41,993 |
| Cities with the Most Metro Rail Stations | 0 | - | 4.89 | 101,927 |
| Name a City - European Countries | 0 | - | 4.92 | 64,690 |
| Cities by Former Name | 0 | - | 4.84 | 91,149 |
| Capitals in their Native Languages | 0 | - | 4.95 | 133,146 |
| Nearest Capital City #1 | 0 | - | 4.84 | 57,362 |
| South American Capitals - Map Quiz | 0 | - | 4.98 | 129,736 |
| Most Guessed European Capitals | 0 | - | 4.87 | 101,296 |
| Capitals Furthest from the Border | 0 | - | 4.96 | 68,278 |
| World Capitals by Map | 0 | - | 5.00 | 284,259 |
| Capital Cities in a Ring of the World Map | 0 | - | 4.95 | 57,850 |
| Capitals Starting With H | 0 | - | 4.90 | 91,577 |
| Capitals Starting With K | 0 | - | 4.85 | 75,849 |
| Capitals Starting With L | 0 | - | 4.81 | 87,023 |
| Capitals Starting With M | 0 | - | 4.93 | 106,390 |
| Capitals Starting With P | 0 | - | 4.88 | 77,352 |
| Capitals Starting With R | 0 | - | 4.87 | 81,123 |
| Capitals Starting With S | 0 | - | 4.89 | 84,974 |
| Capitals Starting With T | 0 | - | 4.84 | 75,444 |
| Capitals Starting With W | 0 | - | 4.89 | 90,762 |
| Capitals Starting With A | 0 | - | 4.97 | 126,776 |
| Capitals Starting With B | 0 | - | 4.89 | 117,497 |
| Capitals Starting With D | 0 | - | 4.93 | 95,578 |
| Countries That Use the Euro | 0 | - | 4.95 | 103,552 |
| Olympic Host Countries | 0 | - | 4.98 | 199,234 |
| Landlocked Countries in Africa | 0 | - | 4.99 | 46,061 |
| 10 Easternmost Countries in Europe | 0 | - | 4.89 | 114,012 |
| Ten Highest Ranking FIFA Countries by Year | 0 | - | 4.95 | 304,935 |
| The Only European Country ... | 0 | - | 4.91 | 214,613 |
| Mediterranean Countries Quiz | 0 | - | 4.99 | 210,679 |
| European Countries NOT in NATO | 0 | - | 4.87 | 60,004 |
| Countries with Territorial Claims in Antarctica | 0 | - | 4.94 | 92,388 |
| Random Capital to Country | 0 | - | 4.99 | 2,581,613 |
| Random Country to Capital | 0 | - | 4.98 | 913,538 |
| Countries of Africa | 0 | - | 5.00 | 2,515,365 |
| Biggest City by Body of Water | 0 | - | 4.51 | 40,183 |
| Southernmost Major Cities | 0 | - | 4.48 | 56,851 |
| U.S. City Prefixes and Suffixes | 0 | - | 4.47 | 72,670 |
| Cities with the Most Foreign Embassies | 0 | - | 4.68 | 47,058 |
| U.S. Cities With Spanish Names | 0 | - | 4.94 | 22,499 |
| World Capitals Closest to Bangkok | 0 | - | 4.91 | 40,858 |
| Random African Capitals on a Map | 0 | - | 4.96 | 54,391 |
| Random Asian Capitals on a Map | 0 | - | 4.83 | 50,740 |
| Random European Capitals on a Map | 0 | - | 4.97 | 134,089 |
| US State Capitals Quiz - No Hints | 0 | - | 4.98 | 94,715 |
| 10 Westernmost U.S. State Capitals | 0 | - | 4.90 | 47,943 |
| Countries of Europe by Population | 0 | - | 4.98 | 178,791 |
| Most Populous Countries by Year | 0 | - | 4.83 | 109,579 |
| Most Populated Countries Bordering the Pacific Ocean | 0 | - | 4.97 | 95,264 |
| Most Populous Countries Bordering Each Other | 0 | - | 4.97 | 129,665 |
| Countries with the Most People Bordering Them | 0 | - | 4.98 | 107,202 |
| Populous Countries Bordering Smaller Countries | 0 | - | 4.97 | 112,615 |
| Densest Countries Bordering Each Other | 0 | - | 4.93 | 89,786 |
| Countries with a Population Under 1 Million by Clue | 0 | - | 4.99 | 92,507 |
| Most Populous World Capitals | 0 | - | 4.94 | 174,809 |
| Most Populous Countries in 2050 | 0 | - | 4.91 | 221,770 |
| First Countries to Reach 5 Million People | 0 | - | 4.92 | 134,540 |
| Most Populous Modern-Day Countries in 1000 AD | 0 | - | 4.87 | 75,435 |
| Most Populous Modern-Day Countries in 1 AD | 0 | - | 4.97 | 83,800 |
| Most Populous Modern-Day Countries in 1800 AD | 0 | - | 4.93 | 66,697 |
| Most Populous Modern-Day Countries in 1500 AD | 0 | - | 4.93 | 72,949 |
| Most Populous Modern-Day Countries by Century | 0 | - | 4.98 | 96,415 |
| U.S. Cities with the Most Skyscrapers | 0 | - | 4.89 | 95,388 |
| 15 Largest Cities in Africa With a Map | 0 | - | 4.95 | 109,863 |
| Most Guessed Cities by Country #3 | 0 | - | 4.89 | 45,409 |
| Summer Olympics Host Cities | 0 | - | 4.98 | 213,575 |
| Most-Visited Cities in Europe | 0 | - | 4.82 | 74,212 |
| Cities with the Biggest Economies | 0 | - | 4.91 | 129,925 |
| Five Most Guessed Cities by Continent | 0 | - | 4.96 | 112,469 |
| Former Capitals | 0 | - | 4.88 | 71,223 |
| Capital Cities Chain | 0 | - | 4.84 | 82,092 |
| Coldest World Capitals | 0 | - | 4.95 | 133,151 |
| Capital Cities with Spanish Names | 0 | - | 4.90 | 77,007 |
| Random Countries and Capitals without Vowels | 0 | - | 4.61 | 21,181 |
| Name a Valid Capital #1 | 0 | - | 4.96 | 90,194 |
| Countries of Europe - One Minute Sprint | 0 | - | 4.94 | 1,321,925 |
| Top 10 Languages Spoken in Europe | 0 | - | 4.96 | 216,958 |
| Countries of the Middle East | 0 | - | 4.96 | 199,471 |
| Countries with Territory in the Balkans | 0 | - | 4.96 | 88,537 |
| Slavic Countries | 0 | - | 4.96 | 111,073 |
| African Island Countries | 0 | - | 4.96 | 101,000 |
| Straight Shot to Antarctica | 0 | - | 4.94 | 42,603 |
| Countries of Europe in 1650 with a Map | 0 | - | 4.95 | 68,004 |
| All Countries Never To Qualify For A FIFA World Cup | 0 | - | 4.84 | 45,359 |
| Countries with the Highest Population Density | 0 | - | 4.95 | 164,357 |
| Countries with the Lowest Population Density | 0 | - | 4.98 | 169,400 |
| Countries of North America Quiz | 0 | - | 5.00 | 1,015,049 |
| Countries of Asia with Two or More Words | 0 | - | 4.96 | 126,048 |
| Asian Countries Ending in "IA" | 0 | - | 4.96 | 106,754 |
| African Countries with the Shortest Names | 0 | - | 4.98 | 152,482 |
| Five Top Olympic Medal-Winning Countries by Continent | 0 | - | 4.96 | 143,025 |
| Top 10 Biggest African Countries by Area | 0 | - | 4.99 | 215,960 |
| 10 Biggest European Countries by Area | 0 | - | 4.99 | 191,967 |
| 10 Biggest Asian Countries by Area | 0 | - | 4.97 | 153,026 |
| 10 Biggest American Countries by Area | 0 | - | 4.95 | 112,297 |
| Top 10 Most Populous American Countries | 0 | - | 4.97 | 143,379 |
| 10 Westernmost Countries in Europe | 0 | - | 4.96 | 150,546 |
| 10 Southernmost Countries in Africa | 0 | - | 4.98 | 115,768 |
| 10 Northernmost Countries in Africa | 0 | - | 4.98 | 160,518 |
| 10 Southernmost Countries in Asia | 0 | - | 4.97 | 98,602 |
| 10 Easternmost Countries in Asia | 0 | - | 4.99 | 107,457 |
| Top 10 Smallest African Countries by Area | 0 | - | 4.96 | 32,694 |
| U.S. State Capitals Map Quiz | 0 | - | 4.93 | 142,897 |
| Boundary Waters | 0 | - | 4.92 | 88,133 |
| Countries Along the Afro-Eurasia Coast | 0 | - | 4.85 | 34,898 |
| The Same Suffixes - Geography | 0 | - | 4.98 | 95,498 |
| 100 Geography Questions of Varying Difficulty | 0 | - | 4.94 | 61,603 |
| "Second Best" Geography Edition #2 | 0 | - | 4.87 | 60,002 |
| Top 10 Most Populous European Countries | 0 | - | 4.97 | 231,425 |
| Top 10 Most Populous Asian Countries | 0 | - | 4.96 | 182,356 |
| Top 10 Most Populous African Countries | 0 | - | 4.99 | 192,206 |
| Top 10 Most Densely-Populated Countries in Asia | 0 | - | 4.92 | 103,175 |
| Countries by Population Decrease | 0 | - | 4.46 | 49,667 |
| Top 10 Asian Countries by Population Increase | 0 | - | 4.93 | 107,931 |
| Flags of Countries With More Than 100 Million People | 0 | - | 4.97 | 158,639 |
| Countries Gaining the Most Population by 2070 | 0 | - | 4.63 | 63,946 |
| Least Dense Countries Bordering Each Other | 0 | - | 4.84 | 23,068 |
| Most Populous Countries in 1900 | 0 | - | 4.91 | 172,786 |
| Unusual U.S. City Names | 0 | - | 4.51 | 27,625 |
| Northernmost Major Cities | 0 | - | 4.08 | 56,454 |
| Biggest Cities Named for Saints | 0 | - | 4.36 | 95,379 |
| Biggest U.S. Cities with 4 or 5 Letters | 0 | - | 4.35 | 44,581 |
| Lonely Planet Top 200 Cities | 0 | - | 4.52 | 220,425 |
| Ancient City to Country | 0 | - | 4.70 | 107,729 |
| Official Cities in the UK | 0 | - | 4.89 | 281,390 |
| Most Appealing Cities for Working Abroad | 0 | - | 4.38 | 36,117 |
| City-States | 0 | - | 4.53 | 37,150 |
| Cities by Latitude Longitude Coordinates | 0 | - | 4.45 | 8,559 |
| Cities with the Most International Tourists | 0 | - | 4.45 | 53,876 |
| Damaged and Destroyed Cities | 0 | - | 4.44 | 44,542 |
| Divided World City Name Puzzle #1 | 0 | - | 4.87 | 48,235 |
| City to Country - Tile Select #1 | 0 | - | 4.70 | 37,097 |
