| Countries by Capitals and Borders in 90 Seconds | 0 | - | 4.84 | 225,585 |
| Capitals of the Most Populated Countries | 0 | - | 4.96 | 127,303 |
| Africa Capitals Quiz | 0 | - | 4.99 | 732,230 |
| Asia Capitals Quiz | 0 | - | 4.98 | 687,799 |
| World Capitals Quiz | 0 | - | 5.00 | 5,042,668 |
| Europe Capital to Country | 0 | - | 4.99 | 248,475 |
| Asia Capital to Country | 0 | - | 4.96 | 125,990 |
| EU Capitals with No Hints | 0 | - | 4.96 | 144,850 |
| European Capitals by Map | 0 | - | 4.99 | 137,183 |
| African Capitals by Map | 0 | - | 4.99 | 132,537 |
| Asian Capitals by Map | 0 | - | 4.98 | 61,540 |
| 10 Westernmost Capital Cities in Europe | 0 | - | 4.88 | 91,458 |
| 10 Northernmost Capital Cities in Europe | 0 | - | 4.96 | 83,842 |
| European Coastal Capitals | 0 | - | 4.95 | 89,971 |
| 10 Easternmost Capital Cities in Asia | 0 | - | 4.89 | 52,286 |
| Capitals of Oceania Quiz | 0 | - | 4.99 | 267,687 |
| Europe by Capitals and Borders in 30 Seconds | 0 | - | 4.88 | 222,393 |
| Capitals of Mediterranean Countries | 0 | - | 4.95 | 81,502 |
| Nordic Countries and Capitals | 0 | - | 4.95 | 83,211 |
| Random European Capital to Country | 0 | - | 4.98 | 189,553 |
| 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 | 101,642 |
| Random African Capital to Country | 0 | - | 4.97 | 99,888 |
| Random African Country to Capital | 0 | - | 4.94 | 70,381 |
| Top 50 Countries by Population - In Order | 0 | - | 4.98 | 325,814 |
| Europe Capitals Quiz | 0 | - | 5.00 | 1,574,858 |
| South America Capitals Quiz | 0 | - | 5.00 | 478,413 |
| North America Capitals Quiz | 0 | - | 4.99 | 217,725 |
| African Capitals - Map Quiz | 0 | - | 4.93 | 61,858 |
| Top 10 Most Remote European Capitals | 0 | - | 4.86 | 93,591 |
| European Capitals - Map Quiz | 0 | - | 4.97 | 118,395 |
| Middle East Capital Cities Quiz | 0 | - | 4.96 | 87,367 |
| European Capitals Furthest from the Sea | 0 | - | 4.92 | 81,834 |
| Asian Capitals - Map Quiz | 0 | - | 4.95 | 60,707 |
| European Capitals Ending in N | 0 | - | 4.92 | 80,903 |
| Capitals of the Stans | 0 | - | 4.95 | 26,532 |
| Countries More Populous Than Their Neighbors | 0 | - | 4.99 | 171,902 |
| Countries with Megacities | 0 | - | 4.99 | 248,179 |
| Countries With More than 50 Million People | 0 | - | 4.99 | 197,790 |
| Countries with the Most Population Growth by Decade | 0 | - | 4.98 | 112,357 |
| Countries With More than 200 Million People | 0 | - | 4.96 | 136,172 |
| Countries Less Populous Than Their Neighbors | 0 | - | 4.96 | 80,294 |
| Global Cities on a World Map | 0 | - | 4.93 | 135,191 |
| Northernmost Capital Cities | 0 | - | 4.98 | 109,350 |
| Most Remote Capital Cities | 0 | - | 4.92 | 52,930 |
| Capital Cities: Ports and Saints | 0 | - | 4.96 | 44,888 |
| Capitals with the Shortest Names | 0 | - | 4.97 | 108,069 |
| Same Letter Country and Capital | 0 | - | 4.99 | 155,911 |
| Countries by Capital City | 0 | - | 5.00 | 67,154 |
| Capital Cities Based on First Two Letters | 0 | - | 4.85 | 76,569 |
| Capitals of the Largest Countries by Area | 0 | - | 4.96 | 114,109 |
| Divided Capital Name Puzzle #1 | 0 | - | 4.99 | 83,569 |
| Moved Capital Cities | 0 | - | 4.96 | 73,773 |
| Countries by Sports League Revenue | 0 | - | 4.95 | 75,917 |
| Biggest Countries by Population | 0 | - | 5.00 | 1,437,897 |
| Smallest Countries by Population and Area | 0 | - | 4.99 | 378,366 |
| World Capitals by Proximity | 0 | - | 4.91 | 329,159 |
| Capitals of Canadian Provinces | 0 | - | 4.85 | 88,589 |
| Name a Valid European Capital | 0 | - | 4.95 | 151,329 |
| 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 | 266,570 |
| 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 | 92,955 |
| 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 | 41,992 |
| Cities with the Most Metro Rail Stations | 0 | - | 4.89 | 101,924 |
| Name a City - European Countries | 0 | - | 4.92 | 64,688 |
| 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 | 129,734 |
| Most Guessed European Capitals | 0 | - | 4.87 | 101,296 |
| Capitals Furthest from the Border | 0 | - | 4.96 | 68,276 |
| World Capitals by Map | 0 | - | 5.00 | 284,246 |
| Capital Cities in a Ring of the World Map | 0 | - | 4.95 | 57,849 |
| Capitals Starting With H | 0 | - | 4.90 | 91,576 |
| Capitals Starting With K | 0 | - | 4.85 | 75,848 |
| Capitals Starting With L | 0 | - | 4.81 | 87,021 |
| Capitals Starting With M | 0 | - | 4.93 | 106,388 |
| Capitals Starting With P | 0 | - | 4.88 | 77,351 |
| Capitals Starting With R | 0 | - | 4.87 | 81,121 |
| Capitals Starting With S | 0 | - | 4.89 | 84,973 |
| Capitals Starting With T | 0 | - | 4.84 | 75,442 |
| Capitals Starting With W | 0 | - | 4.89 | 90,761 |
| Capitals Starting With A | 0 | - | 4.97 | 126,775 |
| Capitals Starting With B | 0 | - | 4.89 | 117,496 |
| Capitals Starting With D | 0 | - | 4.93 | 95,577 |
| Countries That Use the Euro | 0 | - | 4.95 | 103,548 |
| Olympic Host Countries | 0 | - | 4.98 | 199,230 |
| Landlocked Countries in Africa | 0 | - | 4.99 | 46,060 |
| 10 Easternmost Countries in Europe | 0 | - | 4.89 | 114,011 |
| Ten Highest Ranking FIFA Countries by Year | 0 | - | 4.95 | 304,913 |
| The Only European Country ... | 0 | - | 4.91 | 214,606 |
| Mediterranean Countries Quiz | 0 | - | 4.99 | 210,674 |
| European Countries NOT in NATO | 0 | - | 4.87 | 60,002 |
| Countries with Territorial Claims in Antarctica | 0 | - | 4.94 | 92,387 |
| Random Capital to Country | 0 | - | 4.99 | 2,581,587 |
| Random Country to Capital | 0 | - | 4.98 | 913,526 |
| Countries of Africa | 0 | - | 5.00 | 2,515,282 |
| Biggest City by Body of Water | 0 | - | 4.51 | 40,183 |
| Southernmost Major Cities | 0 | - | 4.48 | 56,844 |
| U.S. City Prefixes and Suffixes | 0 | - | 4.47 | 72,668 |
| Cities with the Most Foreign Embassies | 0 | - | 4.68 | 47,058 |
| U.S. Cities With Spanish Names | 0 | - | 4.94 | 22,498 |
| World Capitals Closest to Bangkok | 0 | - | 4.91 | 40,858 |
| Random African Capitals on a Map | 0 | - | 4.96 | 54,389 |
| Random Asian Capitals on a Map | 0 | - | 4.83 | 50,740 |
| Random European Capitals on a Map | 0 | - | 4.97 | 134,081 |
| US State Capitals Quiz - No Hints | 0 | - | 4.98 | 94,712 |
| 10 Westernmost U.S. State Capitals | 0 | - | 4.90 | 47,943 |
| Countries of Europe by Population | 0 | - | 4.98 | 178,783 |
| Most Populous Countries by Year | 0 | - | 4.83 | 109,578 |
| Most Populated Countries Bordering the Pacific Ocean | 0 | - | 4.97 | 95,264 |
| Most Populous Countries Bordering Each Other | 0 | - | 4.97 | 129,664 |
| Countries with the Most People Bordering Them | 0 | - | 4.98 | 107,201 |
| Populous Countries Bordering Smaller Countries | 0 | - | 4.97 | 112,613 |
| Densest Countries Bordering Each Other | 0 | - | 4.93 | 89,786 |
| Countries with a Population Under 1 Million by Clue | 0 | - | 4.99 | 92,506 |
| Most Populous World Capitals | 0 | - | 4.94 | 174,808 |
| Most Populous Countries in 2050 | 0 | - | 4.91 | 221,768 |
| First Countries to Reach 5 Million People | 0 | - | 4.92 | 134,539 |
| 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 | 96,414 |
| U.S. Cities with the Most Skyscrapers | 0 | - | 4.89 | 95,388 |
| 15 Largest Cities in Africa With a Map | 0 | - | 4.95 | 109,861 |
| Most Guessed Cities by Country #3 | 0 | - | 4.89 | 45,408 |
| Summer Olympics Host Cities | 0 | - | 4.98 | 213,569 |
| Most-Visited Cities in Europe | 0 | - | 4.82 | 74,209 |
| Cities with the Biggest Economies | 0 | - | 4.91 | 129,925 |
| Five Most Guessed Cities by Continent | 0 | - | 4.96 | 112,468 |
| 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 | 77,004 |
| Random Countries and Capitals without Vowels | 0 | - | 4.61 | 21,180 |
| Name a Valid Capital #1 | 0 | - | 4.96 | 90,192 |
| Countries of Europe - One Minute Sprint | 0 | - | 4.94 | 1,321,914 |
| Top 10 Languages Spoken in Europe | 0 | - | 4.96 | 216,955 |
| Countries of the Middle East | 0 | - | 4.96 | 199,470 |
| Countries with Territory in the Balkans | 0 | - | 4.96 | 88,534 |
| Slavic Countries | 0 | - | 4.96 | 111,067 |
| African Island Countries | 0 | - | 4.96 | 100,999 |
| Straight Shot to Antarctica | 0 | - | 4.94 | 42,603 |
| Countries of Europe in 1650 with a Map | 0 | - | 4.95 | 67,999 |
| All Countries Never To Qualify For A FIFA World Cup | 0 | - | 4.84 | 45,354 |
| Countries with the Highest Population Density | 0 | - | 4.95 | 164,356 |
| Countries with the Lowest Population Density | 0 | - | 4.98 | 169,397 |
| Countries of North America Quiz | 0 | - | 5.00 | 1,015,021 |
| Countries of Asia with Two or More Words | 0 | - | 4.96 | 126,045 |
| Asian Countries Ending in "IA" | 0 | - | 4.96 | 106,753 |
| African Countries with the Shortest Names | 0 | - | 4.98 | 152,480 |
| Five Top Olympic Medal-Winning Countries by Continent | 0 | - | 4.96 | 143,022 |
| Top 10 Biggest African Countries by Area | 0 | - | 4.99 | 215,957 |
| 10 Biggest European Countries by Area | 0 | - | 4.99 | 191,966 |
| 10 Biggest Asian Countries by Area | 0 | - | 4.97 | 153,023 |
| 10 Biggest American Countries by Area | 0 | - | 4.95 | 112,296 |
| Top 10 Most Populous American Countries | 0 | - | 4.97 | 143,379 |
| 10 Westernmost Countries in Europe | 0 | - | 4.96 | 150,545 |
| 10 Southernmost Countries in Africa | 0 | - | 4.98 | 115,767 |
| 10 Northernmost Countries in Africa | 0 | - | 4.98 | 160,517 |
| 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 | 32,691 |
| U.S. State Capitals Map Quiz | 0 | - | 4.93 | 142,896 |
| Boundary Waters | 0 | - | 4.92 | 88,132 |
| Countries Along the Afro-Eurasia Coast | 0 | - | 4.85 | 34,897 |
| The Same Suffixes - Geography | 0 | - | 4.98 | 95,498 |
| 100 Geography Questions of Varying Difficulty | 0 | - | 4.94 | 61,600 |
| "Second Best" Geography Edition #2 | 0 | - | 4.87 | 60,001 |
| Top 10 Most Populous European Countries | 0 | - | 4.97 | 231,421 |
| Top 10 Most Populous Asian Countries | 0 | - | 4.96 | 182,354 |
| Top 10 Most Populous African Countries | 0 | - | 4.99 | 192,205 |
| 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 | 158,638 |
| Countries Gaining the Most Population by 2070 | 0 | - | 4.63 | 63,946 |
| Least Dense Countries Bordering Each Other | 0 | - | 4.84 | 23,067 |
| Most Populous Countries in 1900 | 0 | - | 4.91 | 172,783 |
| Unusual U.S. City Names | 0 | - | 4.51 | 27,625 |
| Northernmost Major Cities | 0 | - | 4.08 | 56,452 |
| Biggest Cities Named for Saints | 0 | - | 4.36 | 95,377 |
| Biggest U.S. Cities with 4 or 5 Letters | 0 | - | 4.35 | 44,581 |
| Lonely Planet Top 200 Cities | 0 | - | 4.52 | 220,424 |
| Ancient City to Country | 0 | - | 4.70 | 107,727 |
| Official Cities in the UK | 0 | - | 4.89 | 281,379 |
| 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 |
