| Five Most Inland Capital Cities by Continent | 0 | - | 4.91 | 12,854 |
| Countries by Capitals and Borders in 90 Seconds | 0 | - | 4.84 | 226,397 |
| Capitals of the Most Populated Countries | 0 | - | 4.96 | 127,796 |
| Africa Capitals Quiz | 0 | - | 4.99 | 736,501 |
| Asia Capitals Quiz | 0 | - | 4.98 | 691,672 |
| World Capitals Quiz | 0 | - | 5.00 | 5,066,675 |
| Europe Capital to Country | 0 | - | 4.99 | 249,754 |
| Asia Capital to Country | 0 | - | 4.96 | 126,539 |
| EU Capitals with No Hints | 0 | - | 4.96 | 145,703 |
| European Capitals by Map | 0 | - | 4.99 | 138,805 |
| African Capitals by Map | 0 | - | 4.99 | 133,512 |
| Asian Capitals by Map | 0 | - | 4.98 | 62,175 |
| 10 Westernmost Capital Cities in Europe | 0 | - | 4.88 | 91,957 |
| 10 Northernmost Capital Cities in Europe | 0 | - | 4.96 | 84,300 |
| European Coastal Capitals | 0 | - | 4.95 | 90,458 |
| 10 Easternmost Capital Cities in Asia | 0 | - | 4.89 | 52,528 |
| Capitals of Oceania Quiz | 0 | - | 4.99 | 269,464 |
| Europe by Capitals and Borders in 30 Seconds | 0 | - | 4.88 | 223,709 |
| Capitals of Mediterranean Countries | 0 | - | 4.95 | 81,777 |
| Nordic Countries and Capitals | 0 | - | 4.95 | 83,591 |
| Random European Capital to Country | 0 | - | 4.98 | 190,728 |
| Random European Country to Capital | 0 | - | 4.93 | 164,881 |
| Random Asian Country to Capital | 0 | - | 4.92 | 96,332 |
| Random Asian Capital to Country | 0 | - | 4.97 | 102,661 |
| Random African Capital to Country | 0 | - | 4.97 | 100,569 |
| Random African Country to Capital | 0 | - | 4.94 | 71,126 |
| Top 50 Countries by Population - In Order | 0 | - | 4.98 | 329,412 |
| Europe Capitals Quiz | 0 | - | 5.00 | 1,583,970 |
| South America Capitals Quiz | 0 | - | 5.00 | 480,725 |
| North America Capitals Quiz | 0 | - | 4.99 | 219,355 |
| African Capitals - Map Quiz | 0 | - | 4.93 | 62,342 |
| Top 10 Most Remote European Capitals | 0 | - | 4.87 | 93,943 |
| European Capitals - Map Quiz | 0 | - | 4.97 | 119,084 |
| Middle East Capital Cities Quiz | 0 | - | 4.96 | 87,752 |
| European Capitals Furthest from the Sea | 0 | - | 4.92 | 82,113 |
| Asian Capitals - Map Quiz | 0 | - | 4.95 | 61,206 |
| European Capitals Ending in N | 0 | - | 4.92 | 81,216 |
| Capitals of the Stans | 0 | - | 4.95 | 26,788 |
| Countries More Populous Than Their Neighbors | 0 | - | 4.99 | 173,164 |
| Countries with Megacities | 0 | - | 4.99 | 261,800 |
| Countries With More than 50 Million People | 0 | - | 4.99 | 199,032 |
| Countries with the Most Population Growth by Decade | 0 | - | 4.98 | 113,069 |
| Countries With More than 200 Million People | 0 | - | 4.96 | 137,315 |
| Countries Less Populous Than Their Neighbors | 0 | - | 4.96 | 81,108 |
| Global Cities on a World Map | 0 | - | 4.93 | 135,950 |
| Northernmost Capital Cities | 0 | - | 4.98 | 110,037 |
| Most Remote Capital Cities | 0 | - | 4.92 | 53,286 |
| Capital Cities: Ports and Saints | 0 | - | 4.96 | 45,342 |
| Capitals with the Shortest Names | 0 | - | 4.97 | 109,048 |
| Same Letter Country and Capital | 0 | - | 4.99 | 156,736 |
| Countries by Capital City | 0 | - | 5.00 | 68,030 |
| Capital Cities Based on First Two Letters | 0 | - | 4.85 | 77,030 |
| Capitals of the Largest Countries by Area | 0 | - | 4.97 | 114,524 |
| Divided Capital Name Puzzle #1 | 0 | - | 4.99 | 84,025 |
| Moved Capital Cities | 0 | - | 4.96 | 74,099 |
| Countries by Sports League Revenue | 0 | - | 4.94 | 77,105 |
| Biggest Countries by Population | 0 | - | 5.00 | 1,444,022 |
| Smallest Countries by Population and Area | 0 | - | 4.99 | 379,907 |
| World Capitals by Proximity | 0 | - | 4.91 | 330,870 |
| Capitals of Canadian Provinces | 0 | - | 4.85 | 88,956 |
| Name a Valid European Capital | 0 | - | 4.95 | 152,188 |
| European Capital Superlatives - Top 2 | 0 | - | 4.95 | 81,089 |
| Five Most Densely Populated Countries by Continent | 0 | - | 4.96 | 86,601 |
| Five Most Populated Countries by Continent | 0 | - | 4.99 | 267,531 |
| Most Populous Countries with Exceptions | 0 | - | 4.98 | 121,744 |
| Top 10 Most Densely-Populated Countries in Europe | 0 | - | 4.98 | 112,315 |
| Five Least Densely Populated Countries by Continent | 0 | - | 4.92 | 93,433 |
| Countries by Population Range - Tile Select | 0 | - | 4.87 | 58,979 |
| North American Sports Cities | 0 | - | 4.83 | 172,166 |
| Summer Olympic City Bids | 0 | - | 4.93 | 42,279 |
| Cities with the Most Metro Rail Stations | 0 | - | 4.89 | 102,292 |
| Name a City - European Countries | 0 | - | 4.90 | 65,269 |
| Cities by Former Name | 0 | - | 4.83 | 91,481 |
| Capitals in their Native Languages | 0 | - | 4.95 | 133,346 |
| Nearest Capital City #1 | 0 | - | 4.83 | 57,605 |
| South American Capitals - Map Quiz | 0 | - | 4.98 | 130,303 |
| Most Guessed European Capitals | 0 | - | 4.87 | 101,470 |
| Capitals Furthest from the Border | 0 | - | 4.96 | 69,006 |
| World Capitals by Map | 0 | - | 5.00 | 285,819 |
| Capital Cities in a Ring of the World Map | 0 | - | 4.95 | 58,211 |
| Capitals Starting With H | 0 | - | 4.91 | 92,385 |
| Capitals Starting With K | 0 | - | 4.88 | 82,958 |
| Capitals Starting With L | 0 | - | 4.81 | 87,896 |
| Capitals Starting With M | 0 | - | 4.93 | 107,546 |
| Capitals Starting With P | 0 | - | 4.88 | 78,034 |
| Capitals Starting With R | 0 | - | 4.87 | 81,679 |
| Capitals Starting With S | 0 | - | 4.90 | 85,620 |
| Capitals Starting With T | 0 | - | 4.85 | 76,037 |
| Capitals Starting With W | 0 | - | 4.87 | 91,201 |
| Capitals Starting With A | 0 | - | 4.97 | 127,680 |
| Capitals Starting With B | 0 | - | 4.89 | 118,285 |
| Capitals Starting With D | 0 | - | 4.93 | 96,269 |
| Countries That Use the Euro | 0 | - | 4.95 | 104,714 |
| Olympic Host Countries | 0 | - | 4.98 | 200,522 |
| Landlocked Countries in Africa | 0 | - | 4.99 | 46,705 |
| 10 Easternmost Countries in Europe | 0 | - | 4.89 | 114,973 |
| Ten Highest Ranking FIFA Countries by Year | 0 | - | 4.95 | 308,496 |
| The Only European Country ... | 0 | - | 4.91 | 216,227 |
| Mediterranean Countries Quiz | 0 | - | 4.99 | 211,933 |
| European Countries NOT in NATO | 0 | - | 4.90 | 60,903 |
| Countries with Territorial Claims in Antarctica | 0 | - | 4.94 | 92,608 |
| Random Capital to Country | 0 | - | 4.99 | 2,589,098 |
| Random Country to Capital | 0 | - | 4.98 | 919,144 |
| Countries of Africa | 0 | - | 5.00 | 2,532,454 |
| Biggest City by Body of Water | 0 | - | 4.51 | 40,230 |
| Southernmost Major Cities | 0 | - | 4.48 | 57,326 |
| U.S. City Prefixes and Suffixes | 0 | - | 4.48 | 72,826 |
| Cities with the Most Foreign Embassies | 0 | - | 4.68 | 47,125 |
| U.S. Cities With Spanish Names | 0 | - | 4.94 | 23,051 |
| World Capitals Closest to Bangkok | 0 | - | 4.91 | 40,969 |
| Random African Capitals on a Map | 0 | - | 4.96 | 54,691 |
| Random Asian Capitals on a Map | 0 | - | 4.83 | 50,936 |
| Random European Capitals on a Map | 0 | - | 4.97 | 134,548 |
| US State Capitals Quiz - No Hints | 0 | - | 4.98 | 95,066 |
| 10 Westernmost U.S. State Capitals | 0 | - | 4.90 | 48,092 |
| Countries of Europe by Population | 0 | - | 4.98 | 180,373 |
| Most Populous Countries by Year | 0 | - | 4.83 | 110,460 |
| Most Populated Countries Bordering the Pacific Ocean | 0 | - | 4.97 | 95,533 |
| Most Populous Countries Bordering Each Other | 0 | - | 4.97 | 130,301 |
| Countries with the Most People Bordering Them | 0 | - | 4.98 | 107,775 |
| Populous Countries Bordering Smaller Countries | 0 | - | 4.97 | 113,045 |
| Densest Countries Bordering Each Other | 0 | - | 4.93 | 90,212 |
| Countries with a Population Under 1 Million by Clue | 0 | - | 4.99 | 92,847 |
| Most Populous World Capitals | 0 | - | 4.94 | 175,772 |
| Most Populous Countries in 2050 | 0 | - | 4.91 | 222,825 |
| First Countries to Reach 5 Million People | 0 | - | 4.92 | 135,158 |
| Most Populous Modern-Day Countries in 1000 AD | 0 | - | 4.88 | 76,122 |
| Most Populous Modern-Day Countries in 1 AD | 0 | - | 4.98 | 92,612 |
| Most Populous Modern-Day Countries in 1800 AD | 0 | - | 4.93 | 67,192 |
| Most Populous Modern-Day Countries in 1500 AD | 0 | - | 4.93 | 73,473 |
| Most Populous Modern-Day Countries by Century | 0 | - | 4.98 | 97,135 |
| U.S. Cities with the Most Skyscrapers | 0 | - | 4.89 | 95,524 |
| 15 Largest Cities in Africa With a Map | 0 | - | 4.95 | 110,501 |
| Most Guessed Cities by Country #3 | 0 | - | 4.89 | 45,854 |
| Summer Olympics Host Cities | 0 | - | 4.98 | 214,773 |
| Most-Visited Cities in Europe | 0 | - | 4.83 | 74,922 |
| Cities with the Biggest Economies | 0 | - | 4.90 | 130,755 |
| Five Most Guessed Cities by Continent | 0 | - | 4.96 | 112,727 |
| Former Capitals | 0 | - | 4.88 | 71,401 |
| Capital Cities Chain | 0 | - | 4.83 | 82,589 |
| Coldest World Capitals | 0 | - | 4.95 | 133,502 |
| Capital Cities with Spanish Names | 0 | - | 4.90 | 77,447 |
| Random Countries and Capitals without Vowels | 0 | - | 4.61 | 21,688 |
| Name a Valid Capital #1 | 0 | - | 4.96 | 90,759 |
| Countries of Europe - One Minute Sprint | 0 | - | 4.94 | 1,327,011 |
| Top 10 Languages Spoken in Europe | 0 | - | 4.96 | 218,357 |
| Countries of the Middle East | 0 | - | 4.96 | 200,902 |
| Countries with Territory in the Balkans | 0 | - | 4.96 | 89,108 |
| Slavic Countries | 0 | - | 4.96 | 111,545 |
| African Island Countries | 0 | - | 4.96 | 101,507 |
| Straight Shot to Antarctica | 0 | - | 4.94 | 42,825 |
| Countries of Europe in 1650 with a Map | 0 | - | 4.95 | 68,914 |
| All Countries Never To Qualify For A FIFA World Cup | 0 | - | 4.83 | 46,757 |
| Countries with the Highest Population Density | 0 | - | 4.95 | 164,842 |
| Countries with the Lowest Population Density | 0 | - | 4.98 | 169,985 |
| Countries of North America Quiz | 0 | - | 5.00 | 1,021,472 |
| Countries of Asia with Two or More Words | 0 | - | 4.96 | 126,738 |
| Asian Countries Ending in "IA" | 0 | - | 4.96 | 107,368 |
| African Countries with the Shortest Names | 0 | - | 4.98 | 153,315 |
| Five Top Olympic Medal-Winning Countries by Continent | 0 | - | 4.96 | 143,975 |
| Top 10 Biggest African Countries by Area | 0 | - | 4.99 | 216,780 |
| 10 Biggest European Countries by Area | 0 | - | 4.99 | 192,515 |
| 10 Biggest Asian Countries by Area | 0 | - | 4.97 | 153,611 |
| 10 Biggest American Countries by Area | 0 | - | 4.95 | 112,552 |
| Top 10 Most Populous American Countries | 0 | - | 4.97 | 144,139 |
| 10 Westernmost Countries in Europe | 0 | - | 4.96 | 151,062 |
| 10 Southernmost Countries in Africa | 0 | - | 4.98 | 116,479 |
| 10 Northernmost Countries in Africa | 0 | - | 4.98 | 161,101 |
| 10 Southernmost Countries in Asia | 0 | - | 4.97 | 99,034 |
| 10 Easternmost Countries in Asia | 0 | - | 4.99 | 107,887 |
| Top 10 Smallest African Countries by Area | 0 | - | 4.96 | 33,163 |
| U.S. State Capitals Map Quiz | 0 | - | 4.93 | 143,894 |
| Boundary Waters | 0 | - | 4.92 | 88,404 |
| Countries Along the Afro-Eurasia Coast | 0 | - | 4.85 | 35,110 |
| The Same Suffixes - Geography | 0 | - | 4.98 | 95,976 |
| 100 Geography Questions of Varying Difficulty | 0 | - | 4.93 | 62,261 |
| "Second Best" Geography Edition #2 | 0 | - | 4.88 | 60,385 |
| Top 10 Most Populous European Countries | 0 | - | 4.97 | 232,602 |
| Top 10 Most Populous Asian Countries | 0 | - | 4.96 | 183,642 |
| Top 10 Most Populous African Countries | 0 | - | 4.99 | 193,129 |
| Top 10 Most Densely-Populated Countries in Asia | 0 | - | 4.92 | 103,706 |
| Countries by Population Decrease | 0 | - | 4.46 | 49,778 |
| Top 10 Asian Countries by Population Increase | 0 | - | 4.93 | 108,374 |
| Flags of Countries With More Than 100 Million People | 0 | - | 4.97 | 159,119 |
| Countries Gaining the Most Population by 2070 | 0 | - | 4.63 | 64,162 |
| Least Dense Countries Bordering Each Other | 0 | - | 4.85 | 23,340 |
| Most Populous Countries in 1900 | 0 | - | 4.91 | 173,629 |
| Unusual U.S. City Names | 0 | - | 4.51 | 27,771 |
| Northernmost Major Cities | 0 | - | 4.08 | 56,515 |
| Biggest Cities Named for Saints | 0 | - | 4.36 | 95,474 |
| Biggest U.S. Cities with 4 or 5 Letters | 0 | - | 4.36 | 44,670 |
| Lonely Planet Top 200 Cities | 0 | - | 4.52 | 220,886 |
| Ancient City to Country | 0 | - | 4.70 | 107,966 |
| Official Cities in the UK | 0 | - | 4.89 | 283,288 |
| Most Appealing Cities for Working Abroad | 0 | - | 4.38 | 36,141 |
| City-States | 0 | - | 4.53 | 37,237 |
| Cities by Latitude Longitude Coordinates | 0 | - | 4.45 | 8,570 |
| Cities with the Most International Tourists | 0 | - | 4.45 | 54,099 |
| Damaged and Destroyed Cities | 0 | - | 4.44 | 44,643 |
| Divided World City Name Puzzle #1 | 0 | - | 4.87 | 48,672 |
