| Five Most Inland Capital Cities by Continent | 0 | - | 4.92 | 13,790 |
| Countries by Capitals and Borders in 90 Seconds | 0 | - | 4.84 | 228,124 |
| Capitals of the Most Populated Countries | 0 | - | 4.96 | 128,570 |
| Africa Capitals Quiz | 0 | - | 4.99 | 745,026 |
| Asia Capitals Quiz | 0 | - | 4.98 | 699,941 |
| World Capitals Quiz | 0 | - | 5.00 | 5,113,483 |
| Europe Capital to Country | 0 | - | 4.99 | 252,557 |
| Asia Capital to Country | 0 | - | 4.96 | 127,687 |
| EU Capitals with No Hints | 0 | - | 4.96 | 147,269 |
| European Capitals by Map | 0 | - | 4.99 | 142,506 |
| African Capitals by Map | 0 | - | 4.99 | 142,585 |
| Asian Capitals by Map | 0 | - | 4.98 | 64,110 |
| 10 Westernmost Capital Cities in Europe | 0 | - | 4.88 | 93,119 |
| 10 Northernmost Capital Cities in Europe | 0 | - | 4.96 | 85,377 |
| European Coastal Capitals | 0 | - | 4.95 | 91,486 |
| 10 Easternmost Capital Cities in Asia | 0 | - | 4.89 | 53,266 |
| Capitals of Oceania Quiz | 0 | - | 4.99 | 273,255 |
| Europe by Capitals and Borders in 30 Seconds | 0 | - | 4.88 | 226,223 |
| Capitals of Mediterranean Countries | 0 | - | 4.95 | 82,238 |
| Nordic Countries and Capitals | 0 | - | 4.95 | 84,163 |
| Random European Capital to Country | 0 | - | 4.98 | 192,342 |
| Random European Country to Capital | 0 | - | 4.93 | 166,072 |
| Random Asian Country to Capital | 0 | - | 4.92 | 97,086 |
| Random Asian Capital to Country | 0 | - | 4.97 | 103,571 |
| Random African Capital to Country | 0 | - | 4.97 | 101,472 |
| Random African Country to Capital | 0 | - | 4.94 | 71,880 |
| Top 50 Countries by Population - In Order | 0 | - | 4.98 | 336,582 |
| Europe Capitals Quiz | 0 | - | 5.00 | 1,602,155 |
| South America Capitals Quiz | 0 | - | 5.00 | 485,593 |
| North America Capitals Quiz | 0 | - | 4.99 | 222,637 |
| African Capitals - Map Quiz | 0 | - | 4.94 | 63,358 |
| Top 10 Most Remote European Capitals | 0 | - | 4.87 | 94,715 |
| European Capitals - Map Quiz | 0 | - | 4.97 | 120,309 |
| Middle East Capital Cities Quiz | 0 | - | 4.96 | 88,486 |
| European Capitals Furthest from the Sea | 0 | - | 4.92 | 82,658 |
| Asian Capitals - Map Quiz | 0 | - | 4.95 | 62,057 |
| European Capitals Ending in N | 0 | - | 4.92 | 81,812 |
| Capitals of the Stans | 0 | - | 4.95 | 27,227 |
| Countries More Populous Than Their Neighbors | 0 | - | 4.99 | 175,486 |
| Countries with Megacities | 0 | - | 4.99 | 267,824 |
| Countries With More than 50 Million People | 0 | - | 4.99 | 201,137 |
| Countries with the Most Population Growth by Decade | 0 | - | 4.98 | 114,334 |
| Countries With More than 200 Million People | 0 | - | 4.95 | 139,465 |
| Countries Less Populous Than Their Neighbors | 0 | - | 4.96 | 82,430 |
| Global Cities on a World Map | 0 | - | 4.93 | 137,500 |
| Northernmost Capital Cities | 0 | - | 4.98 | 111,550 |
| Most Remote Capital Cities | 0 | - | 4.92 | 54,081 |
| Capital Cities: Ports and Saints | 0 | - | 4.96 | 46,346 |
| Capitals with the Shortest Names | 0 | - | 4.97 | 110,434 |
| Same Letter Country and Capital | 0 | - | 4.99 | 158,372 |
| Countries by Capital City | 0 | - | 5.00 | 69,614 |
| Capital Cities Based on First Two Letters | 0 | - | 4.85 | 78,137 |
| Capitals of the Largest Countries by Area | 0 | - | 4.96 | 115,350 |
| Divided Capital Name Puzzle #1 | 0 | - | 4.99 | 84,951 |
| Moved Capital Cities | 0 | - | 4.96 | 74,732 |
| Countries by Sports League Revenue | 0 | - | 4.95 | 78,759 |
| Biggest Countries by Population | 0 | - | 5.00 | 1,455,967 |
| Smallest Countries by Population and Area | 0 | - | 4.99 | 382,963 |
| World Capitals by Proximity | 0 | - | 4.91 | 334,401 |
| Capitals of Canadian Provinces | 0 | - | 4.85 | 89,787 |
| Name a Valid European Capital | 0 | - | 4.95 | 153,956 |
| European Capital Superlatives - Top 2 | 0 | - | 4.95 | 81,681 |
| Single Vowel Capitals | 0 | - | 4.83 | 14,764 |
| Five Most Densely Populated Countries by Continent | 0 | - | 4.96 | 87,463 |
| Five Most Populated Countries by Continent | 0 | - | 4.99 | 269,513 |
| Most Populous Countries with Exceptions | 0 | - | 4.98 | 122,810 |
| Top 10 Most Densely-Populated Countries in Europe | 0 | - | 4.98 | 112,992 |
| Five Least Densely Populated Countries by Continent | 0 | - | 4.91 | 94,356 |
| Countries by Population Range - Tile Select | 0 | - | 4.87 | 59,716 |
| North American Sports Cities | 0 | - | 4.82 | 173,289 |
| Summer Olympic City Bids | 0 | - | 4.94 | 42,601 |
| Cities with the Most Metro Rail Stations | 0 | - | 4.89 | 103,049 |
| Name a City - European Countries | 0 | - | 4.89 | 66,374 |
| Cities by Former Name | 0 | - | 4.83 | 92,177 |
| Capitals in their Native Languages | 0 | - | 4.95 | 133,981 |
| Nearest Capital City #1 | 0 | - | 4.83 | 58,037 |
| South American Capitals - Map Quiz | 0 | - | 4.98 | 131,581 |
| Most Guessed European Capitals | 0 | - | 4.87 | 101,932 |
| Capitals Furthest from the Border | 0 | - | 4.96 | 69,962 |
| World Capitals by Map | 0 | - | 5.00 | 289,932 |
| Capital Cities in a Ring of the World Map | 0 | - | 4.95 | 58,927 |
| Capitals Starting With H | 0 | - | 4.91 | 93,444 |
| Capitals Starting With K | 0 | - | 4.89 | 84,506 |
| Capitals Starting With L | 0 | - | 4.81 | 96,081 |
| Capitals Starting With M | 0 | - | 4.94 | 109,363 |
| Capitals Starting With P | 0 | - | 4.88 | 79,119 |
| Capitals Starting With R | 0 | - | 4.89 | 82,604 |
| Capitals Starting With S | 0 | - | 4.90 | 86,690 |
| Capitals Starting With T | 0 | - | 4.86 | 76,940 |
| Capitals Starting With W | 0 | - | 4.87 | 91,795 |
| Capitals Starting With A | 0 | - | 4.97 | 129,272 |
| Capitals Starting With B | 0 | - | 4.89 | 119,642 |
| Capitals Starting With D | 0 | - | 4.94 | 97,310 |
| Countries That Use the Euro | 0 | - | 4.95 | 107,183 |
| Olympic Host Countries | 0 | - | 4.98 | 202,191 |
| Landlocked Countries in Africa | 0 | - | 4.99 | 48,236 |
| 10 Easternmost Countries in Europe | 0 | - | 4.87 | 117,458 |
| Ten Highest Ranking FIFA Countries by Year | 0 | - | 4.95 | 314,963 |
| The Only European Country ... | 0 | - | 4.91 | 219,533 |
| Mediterranean Countries Quiz | 0 | - | 4.99 | 214,304 |
| European Countries NOT in NATO | 0 | - | 4.91 | 62,803 |
| Countries with Territorial Claims in Antarctica | 0 | - | 4.94 | 92,980 |
| Random Capital to Country | 0 | - | 4.99 | 2,604,059 |
| Random Country to Capital | 0 | - | 4.98 | 929,927 |
| Countries of Africa | 0 | - | 5.00 | 2,564,346 |
| Biggest City by Body of Water | 0 | - | 4.51 | 40,340 |
| Southernmost Major Cities | 0 | - | 4.48 | 57,782 |
| U.S. City Prefixes and Suffixes | 0 | - | 4.48 | 73,148 |
| Cities with the Most Foreign Embassies | 0 | - | 4.69 | 47,239 |
| U.S. Cities With Spanish Names | 0 | - | 4.94 | 23,974 |
| World Capitals Closest to Bangkok | 0 | - | 4.91 | 41,202 |
| Random African Capitals on a Map | 0 | - | 4.96 | 55,318 |
| Random Asian Capitals on a Map | 0 | - | 4.83 | 51,432 |
| Random European Capitals on a Map | 0 | - | 4.97 | 135,561 |
| US State Capitals Quiz - No Hints | 0 | - | 4.98 | 95,833 |
| 10 Westernmost U.S. State Capitals | 0 | - | 4.90 | 48,377 |
| Countries of Europe by Population | 0 | - | 4.98 | 183,599 |
| Most Populous Countries by Year | 0 | - | 4.83 | 111,604 |
| Most Populated Countries Bordering the Pacific Ocean | 0 | - | 4.97 | 95,972 |
| Most Populous Countries Bordering Each Other | 0 | - | 4.97 | 131,566 |
| Countries with the Most People Bordering Them | 0 | - | 4.98 | 108,850 |
| Populous Countries Bordering Smaller Countries | 0 | - | 4.97 | 113,891 |
| Densest Countries Bordering Each Other | 0 | - | 4.93 | 91,046 |
| Countries with a Population Under 1 Million by Clue | 0 | - | 4.99 | 93,253 |
| Most Populous World Capitals | 0 | - | 4.94 | 176,857 |
| Most Populous Countries in 2050 | 0 | - | 4.91 | 224,022 |
| First Countries to Reach 5 Million People | 0 | - | 4.93 | 136,010 |
| Most Populous Modern-Day Countries in 1000 AD | 0 | - | 4.88 | 76,607 |
| Most Populous Modern-Day Countries in 1 AD | 0 | - | 4.98 | 93,278 |
| Most Populous Modern-Day Countries in 1800 AD | 0 | - | 4.93 | 67,571 |
| Most Populous Modern-Day Countries in 1500 AD | 0 | - | 4.93 | 73,922 |
| Most Populous Modern-Day Countries by Century | 0 | - | 4.98 | 97,866 |
| U.S. Cities with the Most Skyscrapers | 0 | - | 4.89 | 95,832 |
| 15 Largest Cities in Africa With a Map | 0 | - | 4.96 | 111,669 |
| Most Guessed Cities by Country #3 | 0 | - | 4.89 | 47,060 |
| Summer Olympics Host Cities | 0 | - | 4.98 | 216,769 |
| Most-Visited Cities in Europe | 0 | - | 4.83 | 76,337 |
| Cities with the Biggest Economies | 0 | - | 4.91 | 131,815 |
| Five Most Guessed Cities by Continent | 0 | - | 4.96 | 113,694 |
| Former Capitals | 0 | - | 4.88 | 71,726 |
| Capital Cities Chain | 0 | - | 4.84 | 83,514 |
| Solve the Secret Capital City | 0 | - | 4.80 | 164,731 |
| Coldest World Capitals | 0 | - | 4.95 | 134,280 |
| Capital Cities with Spanish Names | 0 | - | 4.90 | 78,247 |
| Random Countries and Capitals without Vowels | 0 | - | 4.61 | 22,330 |
| Name a Valid Capital #1 | 0 | - | 4.96 | 91,713 |
| Countries of Europe - One Minute Sprint | 0 | - | 4.94 | 1,337,044 |
| Top 10 Languages Spoken in Europe | 0 | - | 4.96 | 221,217 |
| Countries of the Middle East | 0 | - | 4.96 | 203,242 |
| Countries with Territory in the Balkans | 0 | - | 4.96 | 90,350 |
| Slavic Countries | 0 | - | 4.96 | 112,491 |
| African Island Countries | 0 | - | 4.96 | 102,725 |
| Straight Shot to Antarctica | 0 | - | 4.94 | 43,239 |
| Countries of Europe in 1650 with a Map | 0 | - | 4.95 | 70,717 |
| All Countries Never To Qualify For A FIFA World Cup | 0 | - | 4.84 | 53,564 |
| Countries with the Highest Population Density | 0 | - | 4.94 | 165,803 |
| Countries with the Lowest Population Density | 0 | - | 4.98 | 171,150 |
| Countries of North America Quiz | 0 | - | 5.00 | 1,033,145 |
| Countries of Asia with Two or More Words | 0 | - | 4.96 | 127,995 |
| Asian Countries Ending in "IA" | 0 | - | 4.96 | 108,471 |
| African Countries with the Shortest Names | 0 | - | 4.98 | 154,941 |
| Five Top Olympic Medal-Winning Countries by Continent | 0 | - | 4.96 | 145,351 |
| Top 10 Biggest African Countries by Area | 0 | - | 4.99 | 219,133 |
| 10 Biggest European Countries by Area | 0 | - | 4.99 | 193,760 |
| 10 Biggest Asian Countries by Area | 0 | - | 4.97 | 154,712 |
| 10 Biggest American Countries by Area | 0 | - | 4.95 | 113,073 |
| Top 10 Most Populous American Countries | 0 | - | 4.96 | 144,964 |
| 10 Westernmost Countries in Europe | 0 | - | 4.96 | 152,518 |
| 10 Southernmost Countries in Africa | 0 | - | 4.98 | 118,050 |
| 10 Northernmost Countries in Africa | 0 | - | 4.98 | 162,678 |
| 10 Southernmost Countries in Asia | 0 | - | 4.97 | 100,069 |
| 10 Easternmost Countries in Asia | 0 | - | 4.99 | 109,304 |
| Top 10 Smallest African Countries by Area | 0 | - | 4.95 | 47,419 |
| U.S. State Capitals Map Quiz | 0 | - | 4.93 | 151,348 |
| Boundary Waters | 0 | - | 4.92 | 88,832 |
| Countries Along the Afro-Eurasia Coast | 0 | - | 4.88 | 35,465 |
| The Same Suffixes - Geography | 0 | - | 4.98 | 96,830 |
| 100 Geography Questions of Varying Difficulty | 0 | - | 4.93 | 63,557 |
| "Second Best" Geography Edition #2 | 0 | - | 4.88 | 61,060 |
| Top 10 Most Populous European Countries | 0 | - | 4.97 | 234,900 |
| Top 10 Most Populous Asian Countries | 0 | - | 4.97 | 185,433 |
| Top 10 Most Populous African Countries | 0 | - | 4.99 | 195,270 |
| Top 10 Most Densely-Populated Countries in Asia | 0 | - | 4.92 | 105,084 |
| Countries by Population Decrease | 0 | - | 4.46 | 50,017 |
| Top 10 Asian Countries by Population Increase | 0 | - | 4.93 | 108,967 |
| Flags of Countries With More Than 100 Million People | 0 | - | 4.98 | 160,102 |
| Countries Gaining the Most Population by 2070 | 0 | - | 4.63 | 64,543 |
| Least Dense Countries Bordering Each Other | 0 | - | 4.86 | 23,892 |
| Most Populous Countries in 1900 | 0 | - | 4.91 | 174,361 |
| Unusual U.S. City Names | 0 | - | 4.52 | 28,054 |
| Northernmost Major Cities | 0 | - | 4.08 | 56,596 |
| Biggest Cities Named for Saints | 0 | - | 4.36 | 95,651 |
| Biggest U.S. Cities with 4 or 5 Letters | 0 | - | 4.38 | 54,309 |
| Lonely Planet Top 200 Cities | 0 | - | 4.52 | 221,802 |
| Ancient City to Country | 0 | - | 4.72 | 108,399 |
| Official Cities in the UK | 0 | - | 4.89 | 286,832 |
| Most Appealing Cities for Working Abroad | 0 | - | 4.38 | 36,209 |
| City-States | 0 | - | 4.53 | 37,436 |
| Cities by Latitude Longitude Coordinates | 0 | - | 4.45 | 8,611 |
| Cities with the Most International Tourists | 0 | - | 4.45 | 54,544 |
