| Five Most Inland Capital Cities by Continent | 0 | - | 4.92 | 13,725 |
| Countries by Capitals and Borders in 90 Seconds | 0 | - | 4.83 | 227,987 |
| Capitals of the Most Populated Countries | 0 | - | 4.96 | 128,504 |
| Africa Capitals Quiz | 0 | - | 4.99 | 744,373 |
| Asia Capitals Quiz | 0 | - | 4.98 | 699,291 |
| World Capitals Quiz | 0 | - | 5.00 | 5,109,345 |
| Europe Capital to Country | 0 | - | 4.99 | 252,268 |
| Asia Capital to Country | 0 | - | 4.96 | 127,613 |
| EU Capitals with No Hints | 0 | - | 4.96 | 147,093 |
| European Capitals by Map | 0 | - | 4.99 | 142,274 |
| African Capitals by Map | 0 | - | 4.99 | 142,345 |
| Asian Capitals by Map | 0 | - | 4.98 | 64,007 |
| 10 Westernmost Capital Cities in Europe | 0 | - | 4.88 | 92,973 |
| 10 Northernmost Capital Cities in Europe | 0 | - | 4.96 | 85,253 |
| European Coastal Capitals | 0 | - | 4.95 | 91,385 |
| 10 Easternmost Capital Cities in Asia | 0 | - | 4.89 | 53,227 |
| Capitals of Oceania Quiz | 0 | - | 4.99 | 272,919 |
| Europe by Capitals and Borders in 30 Seconds | 0 | - | 4.88 | 225,954 |
| Capitals of Mediterranean Countries | 0 | - | 4.95 | 82,198 |
| Nordic Countries and Capitals | 0 | - | 4.95 | 84,120 |
| Random European Capital to Country | 0 | - | 4.98 | 192,229 |
| Random European Country to Capital | 0 | - | 4.93 | 165,976 |
| Random Asian Country to Capital | 0 | - | 4.92 | 97,041 |
| Random Asian Capital to Country | 0 | - | 4.97 | 103,496 |
| Random African Capital to Country | 0 | - | 4.97 | 101,396 |
| Random African Country to Capital | 0 | - | 4.95 | 71,795 |
| Top 50 Countries by Population - In Order | 0 | - | 4.98 | 335,947 |
| Europe Capitals Quiz | 0 | - | 5.00 | 1,600,695 |
| South America Capitals Quiz | 0 | - | 5.00 | 485,201 |
| North America Capitals Quiz | 0 | - | 4.99 | 222,408 |
| African Capitals - Map Quiz | 0 | - | 4.94 | 63,289 |
| Top 10 Most Remote European Capitals | 0 | - | 4.87 | 94,635 |
| European Capitals - Map Quiz | 0 | - | 4.97 | 120,196 |
| Middle East Capital Cities Quiz | 0 | - | 4.96 | 88,432 |
| European Capitals Furthest from the Sea | 0 | - | 4.92 | 82,617 |
| Asian Capitals - Map Quiz | 0 | - | 4.95 | 61,996 |
| European Capitals Ending in N | 0 | - | 4.92 | 81,746 |
| Capitals of the Stans | 0 | - | 4.95 | 27,182 |
| Countries More Populous Than Their Neighbors | 0 | - | 4.99 | 175,307 |
| Countries with Megacities | 0 | - | 4.99 | 267,424 |
| Countries With More than 50 Million People | 0 | - | 4.99 | 200,977 |
| Countries with the Most Population Growth by Decade | 0 | - | 4.98 | 114,225 |
| Countries With More than 200 Million People | 0 | - | 4.95 | 139,304 |
| Countries Less Populous Than Their Neighbors | 0 | - | 4.96 | 82,327 |
| Global Cities on a World Map | 0 | - | 4.93 | 137,389 |
| Northernmost Capital Cities | 0 | - | 4.98 | 111,443 |
| Most Remote Capital Cities | 0 | - | 4.92 | 54,020 |
| Capital Cities: Ports and Saints | 0 | - | 4.96 | 46,262 |
| Capitals with the Shortest Names | 0 | - | 4.97 | 110,311 |
| Same Letter Country and Capital | 0 | - | 4.99 | 158,239 |
| Countries by Capital City | 0 | - | 5.00 | 69,497 |
| Capital Cities Based on First Two Letters | 0 | - | 4.85 | 77,920 |
| Capitals of the Largest Countries by Area | 0 | - | 4.96 | 115,276 |
| Divided Capital Name Puzzle #1 | 0 | - | 4.99 | 84,873 |
| Moved Capital Cities | 0 | - | 4.96 | 74,690 |
| World Capitals with a Unique First Letter | 0 | - | 4.83 | 75,833 |
| Countries by Sports League Revenue | 0 | - | 4.94 | 78,631 |
| Biggest Countries by Population | 0 | - | 5.00 | 1,454,921 |
| Smallest Countries by Population and Area | 0 | - | 4.99 | 382,690 |
| World Capitals by Proximity | 0 | - | 4.91 | 334,091 |
| Capitals of Canadian Provinces | 0 | - | 4.85 | 89,719 |
| Name a Valid European Capital | 0 | - | 4.95 | 153,718 |
| European Capital Superlatives - Top 2 | 0 | - | 4.95 | 81,595 |
| Single Vowel Capitals | 0 | - | 4.83 | 14,746 |
| Five Most Densely Populated Countries by Continent | 0 | - | 4.96 | 87,389 |
| Five Most Populated Countries by Continent | 0 | - | 4.99 | 269,343 |
| Most Populous Countries with Exceptions | 0 | - | 4.98 | 122,728 |
| Top 10 Most Densely-Populated Countries in Europe | 0 | - | 4.98 | 112,946 |
| Five Least Densely Populated Countries by Continent | 0 | - | 4.90 | 94,282 |
| Countries by Population Range - Tile Select | 0 | - | 4.87 | 59,665 |
| North American Sports Cities | 0 | - | 4.82 | 173,204 |
| Summer Olympic City Bids | 0 | - | 4.94 | 42,581 |
| Cities with the Most Metro Rail Stations | 0 | - | 4.89 | 102,989 |
| Name a City - European Countries | 0 | - | 4.89 | 66,248 |
| Cities by Former Name | 0 | - | 4.83 | 92,109 |
| Capitals in their Native Languages | 0 | - | 4.95 | 133,951 |
| Nearest Capital City #1 | 0 | - | 4.83 | 58,007 |
| South American Capitals - Map Quiz | 0 | - | 4.98 | 131,501 |
| Most Guessed European Capitals | 0 | - | 4.87 | 101,844 |
| Capitals Furthest from the Border | 0 | - | 4.96 | 69,897 |
| World Capitals by Map | 0 | - | 5.00 | 289,646 |
| Capital Cities in a Ring of the World Map | 0 | - | 4.95 | 58,861 |
| Capitals Starting With H | 0 | - | 4.91 | 93,379 |
| Capitals Starting With K | 0 | - | 4.88 | 84,454 |
| Capitals Starting With M | 0 | - | 4.94 | 109,260 |
| Capitals Starting With P | 0 | - | 4.88 | 79,057 |
| Capitals Starting With R | 0 | - | 4.88 | 82,546 |
| Capitals Starting With S | 0 | - | 4.90 | 86,621 |
| Capitals Starting With T | 0 | - | 4.86 | 76,878 |
| Capitals Starting With W | 0 | - | 4.87 | 91,765 |
| Capitals Starting With A | 0 | - | 4.97 | 129,176 |
| Capitals Starting With B | 0 | - | 4.89 | 119,570 |
| Capitals Starting With D | 0 | - | 4.94 | 97,260 |
| Countries That Use the Euro | 0 | - | 4.95 | 106,964 |
| Olympic Host Countries | 0 | - | 4.98 | 202,065 |
| Landlocked Countries in Africa | 0 | - | 4.99 | 48,083 |
| 10 Easternmost Countries in Europe | 0 | - | 4.87 | 117,285 |
| Ten Highest Ranking FIFA Countries by Year | 0 | - | 4.95 | 314,328 |
| The Only European Country ... | 0 | - | 4.91 | 219,259 |
| Mediterranean Countries Quiz | 0 | - | 4.99 | 214,103 |
| European Countries NOT in NATO | 0 | - | 4.91 | 62,642 |
| Countries with Territorial Claims in Antarctica | 0 | - | 4.94 | 92,953 |
| Random Capital to Country | 0 | - | 4.99 | 2,602,583 |
| Random Country to Capital | 0 | - | 4.98 | 929,039 |
| Countries of Africa | 0 | - | 5.00 | 2,561,868 |
| Biggest City by Body of Water | 0 | - | 4.51 | 40,324 |
| Southernmost Major Cities | 0 | - | 4.48 | 57,757 |
| U.S. City Prefixes and Suffixes | 0 | - | 4.48 | 73,120 |
| Cities with the Most Foreign Embassies | 0 | - | 4.69 | 47,231 |
| U.S. Cities With Spanish Names | 0 | - | 4.94 | 23,883 |
| World Capitals Closest to Bangkok | 0 | - | 4.91 | 41,181 |
| Random African Capitals on a Map | 0 | - | 4.96 | 55,288 |
| Random Asian Capitals on a Map | 0 | - | 4.83 | 51,400 |
| Random European Capitals on a Map | 0 | - | 4.97 | 135,457 |
| US State Capitals Quiz - No Hints | 0 | - | 4.98 | 95,759 |
| 10 Westernmost U.S. State Capitals | 0 | - | 4.90 | 48,348 |
| Countries of Europe by Population | 0 | - | 4.98 | 183,324 |
| Most Populous Countries by Year | 0 | - | 4.83 | 111,498 |
| Most Populated Countries Bordering the Pacific Ocean | 0 | - | 4.97 | 95,940 |
| Most Populous Countries Bordering Each Other | 0 | - | 4.97 | 131,447 |
| Countries with the Most People Bordering Them | 0 | - | 4.98 | 108,742 |
| Populous Countries Bordering Smaller Countries | 0 | - | 4.97 | 113,802 |
| Densest Countries Bordering Each Other | 0 | - | 4.93 | 90,951 |
| Countries with a Population Under 1 Million by Clue | 0 | - | 4.99 | 93,218 |
| Most Populous World Capitals | 0 | - | 4.94 | 176,750 |
| Most Populous Countries in 2050 | 0 | - | 4.91 | 223,896 |
| First Countries to Reach 5 Million People | 0 | - | 4.93 | 135,944 |
| Most Populous Modern-Day Countries in 1000 AD | 0 | - | 4.88 | 76,562 |
| Most Populous Modern-Day Countries in 1 AD | 0 | - | 4.98 | 93,228 |
| Most Populous Modern-Day Countries in 1800 AD | 0 | - | 4.93 | 67,541 |
| Most Populous Modern-Day Countries in 1500 AD | 0 | - | 4.93 | 73,887 |
| Most Populous Modern-Day Countries by Century | 0 | - | 4.98 | 97,805 |
| U.S. Cities with the Most Skyscrapers | 0 | - | 4.89 | 95,800 |
| 15 Largest Cities in Africa With a Map | 0 | - | 4.96 | 111,559 |
| Most Guessed Cities by Country #3 | 0 | - | 4.89 | 46,978 |
| Summer Olympics Host Cities | 0 | - | 4.98 | 216,597 |
| Most-Visited Cities in Europe | 0 | - | 4.83 | 76,161 |
| Cities with the Biggest Economies | 0 | - | 4.91 | 131,732 |
| Five Most Guessed Cities by Continent | 0 | - | 4.96 | 113,623 |
| Former Capitals | 0 | - | 4.88 | 71,702 |
| Capital Cities Chain | 0 | - | 4.84 | 83,442 |
| Coldest World Capitals | 0 | - | 4.95 | 134,189 |
| Capital Cities with Spanish Names | 0 | - | 4.90 | 78,197 |
| Random Countries and Capitals without Vowels | 0 | - | 4.61 | 22,266 |
| Name a Valid Capital #1 | 0 | - | 4.96 | 91,630 |
| Countries of Europe - One Minute Sprint | 0 | - | 4.94 | 1,336,324 |
| Top 10 Languages Spoken in Europe | 0 | - | 4.96 | 220,993 |
| Countries of the Middle East | 0 | - | 4.96 | 203,063 |
| Countries with Territory in the Balkans | 0 | - | 4.96 | 90,254 |
| Slavic Countries | 0 | - | 4.96 | 112,424 |
| African Island Countries | 0 | - | 4.96 | 102,610 |
| Straight Shot to Antarctica | 0 | - | 4.94 | 43,204 |
| Countries of Europe in 1650 with a Map | 0 | - | 4.95 | 70,579 |
| All Countries Never To Qualify For A FIFA World Cup | 0 | - | 4.84 | 53,324 |
| Countries with the Highest Population Density | 0 | - | 4.95 | 165,723 |
| Countries with the Lowest Population Density | 0 | - | 4.98 | 171,012 |
| Countries of North America Quiz | 0 | - | 5.00 | 1,032,233 |
| Countries of Asia with Two or More Words | 0 | - | 4.96 | 127,890 |
| Asian Countries Ending in "IA" | 0 | - | 4.96 | 108,372 |
| African Countries with the Shortest Names | 0 | - | 4.98 | 154,782 |
| Five Top Olympic Medal-Winning Countries by Continent | 0 | - | 4.96 | 145,227 |
| Top 10 Biggest African Countries by Area | 0 | - | 4.99 | 218,898 |
| 10 Biggest European Countries by Area | 0 | - | 4.99 | 193,646 |
| 10 Biggest Asian Countries by Area | 0 | - | 4.97 | 154,622 |
| 10 Biggest American Countries by Area | 0 | - | 4.95 | 113,032 |
| Top 10 Most Populous American Countries | 0 | - | 4.96 | 144,904 |
| 10 Westernmost Countries in Europe | 0 | - | 4.96 | 152,146 |
| 10 Southernmost Countries in Africa | 0 | - | 4.98 | 117,934 |
| 10 Northernmost Countries in Africa | 0 | - | 4.98 | 162,509 |
| 10 Southernmost Countries in Asia | 0 | - | 4.97 | 99,982 |
| 10 Easternmost Countries in Asia | 0 | - | 4.99 | 109,217 |
| Top 10 Smallest African Countries by Area | 0 | - | 4.95 | 44,591 |
| U.S. State Capitals Map Quiz | 0 | - | 4.93 | 151,169 |
| Boundary Waters | 0 | - | 4.92 | 88,795 |
| Countries Along the Afro-Eurasia Coast | 0 | - | 4.88 | 35,430 |
| The Same Suffixes - Geography | 0 | - | 4.98 | 96,756 |
| 100 Geography Questions of Varying Difficulty | 0 | - | 4.93 | 63,408 |
| "Second Best" Geography Edition #2 | 0 | - | 4.88 | 61,005 |
| Top 10 Most Populous European Countries | 0 | - | 4.97 | 234,718 |
| Top 10 Most Populous Asian Countries | 0 | - | 4.97 | 185,276 |
| Top 10 Most Populous African Countries | 0 | - | 4.99 | 195,086 |
| Top 10 Most Densely-Populated Countries in Asia | 0 | - | 4.93 | 104,975 |
| Countries by Population Decrease | 0 | - | 4.46 | 49,996 |
| Top 10 Asian Countries by Population Increase | 0 | - | 4.93 | 108,922 |
| Flags of Countries With More Than 100 Million People | 0 | - | 4.98 | 160,022 |
| Countries Gaining the Most Population by 2070 | 0 | - | 4.63 | 64,511 |
| Least Dense Countries Bordering Each Other | 0 | - | 4.86 | 23,838 |
| Most Populous Countries in 1900 | 0 | - | 4.91 | 174,293 |
| Unusual U.S. City Names | 0 | - | 4.52 | 28,026 |
| Northernmost Major Cities | 0 | - | 4.08 | 56,590 |
| Biggest Cities Named for Saints | 0 | - | 4.36 | 95,631 |
| Biggest U.S. Cities with 4 or 5 Letters | 0 | - | 4.38 | 54,165 |
| Lonely Planet Top 200 Cities | 0 | - | 4.52 | 221,742 |
| Ancient City to Country | 0 | - | 4.72 | 108,372 |
| Official Cities in the UK | 0 | - | 4.89 | 286,528 |
| Most Appealing Cities for Working Abroad | 0 | - | 4.38 | 36,205 |
| City-States | 0 | - | 4.53 | 37,419 |
| Cities by Latitude Longitude Coordinates | 0 | - | 4.45 | 8,605 |
| Cities with the Most International Tourists | 0 | - | 4.45 | 54,517 |
| Damaged and Destroyed Cities | 0 | - | 4.44 | 44,835 |
