| Name a World Capital A-Z | 0 | - | 5.00 | 174,850 |
| Countries by Capitals and Borders in 90 Seconds | 0 | - | 4.84 | 225,178 |
| European Capital Superlatives - Top 2 | 0 | - | 4.94 | 80,624 |
| Africa Capitals Quiz | 0 | - | 4.99 | 729,613 |
| Asia Capitals Quiz | 0 | - | 4.98 | 685,068 |
| Countries Closest to United States A-Z | 0 | - | 4.81 | 117,341 |
| Countries Closest to Spain A-Z | 0 | - | 4.99 | 107,628 |
| Countries Closest to the United Kingdom A-Z | 0 | - | 4.96 | 189,815 |
| Capitals of the Most Populated Countries | 0 | - | 4.96 | 127,050 |
| Most Guessed European Capitals | 0 | - | 4.87 | 101,161 |
| Nordic Countries and Capitals | 0 | - | 4.95 | 82,966 |
| Random European Capital to Country | 0 | - | 4.98 | 189,092 |
| Random European Country to Capital | 0 | - | 4.92 | 147,364 |
| Random Asian Country to Capital | 0 | - | 4.92 | 95,300 |
| Random Asian Capital to Country | 0 | - | 4.97 | 101,342 |
| Random African Capital to Country | 0 | - | 4.97 | 99,684 |
| Random African Country to Capital | 0 | - | 4.94 | 70,164 |
| Europe Capital to Country | 0 | - | 4.99 | 247,356 |
| Asia Capital to Country | 0 | - | 4.96 | 125,659 |
| EU Capitals with No Hints | 0 | - | 4.96 | 144,337 |
| European Capitals by Map | 0 | - | 4.99 | 136,028 |
| African Capitals by Map | 0 | - | 4.99 | 132,088 |
| Asian Capitals by Map | 0 | - | 4.98 | 61,003 |
| 10 Westernmost Capital Cities in Europe | 0 | - | 4.88 | 91,091 |
| 10 Northernmost Capital Cities in Europe | 0 | - | 4.96 | 83,544 |
| European Coastal Capitals | 0 | - | 4.95 | 89,677 |
| 10 Easternmost Capital Cities in Asia | 0 | - | 4.89 | 52,156 |
| Capitals of Oceania Quiz | 0 | - | 4.99 | 266,484 |
| Europe by Capitals and Borders in 30 Seconds | 0 | - | 4.88 | 221,612 |
| Capitals of Mediterranean Countries | 0 | - | 4.95 | 81,389 |
| Countries Closest to Germany A-Z | 0 | - | 4.98 | 26,910 |
| World Capitals Quiz | 0 | - | 5.00 | 5,027,388 |
| South America Capitals Quiz | 0 | - | 5.00 | 476,944 |
| Divided World City Name Puzzle #1 | 0 | - | 4.88 | 48,060 |
| North America Capitals Quiz | 0 | - | 4.99 | 216,620 |
| African Capitals - Map Quiz | 0 | - | 4.93 | 61,574 |
| Top 10 Most Remote European Capitals | 0 | - | 4.86 | 93,352 |
| European Capitals - Map Quiz | 0 | - | 4.97 | 118,042 |
| Middle East Capital Cities Quiz | 0 | - | 4.96 | 87,095 |
| European Capitals Furthest from the Sea | 0 | - | 4.92 | 81,657 |
| Capitals of Countries with the Biggest Economies | 0 | - | 4.93 | 94,663 |
| Asian Capitals - Map Quiz | 0 | - | 4.95 | 60,391 |
| European Capitals Ending in N | 0 | - | 4.92 | 80,723 |
| Monarchies of Europe | 0 | - | 4.90 | 97,239 |
| Monarchies of Asia | 0 | - | 4.97 | 70,551 |
| Asian Country Superlatives | 0 | - | 4.83 | 80,396 |
| Top 50 Countries by Population - In Order | 0 | - | 4.98 | 323,263 |
| Europe Capitals Quiz | 0 | - | 5.00 | 1,569,640 |
| European Cities A-Z by Clue #1 | 0 | - | 4.25 | 77,150 |
| Capitals of Canadian Provinces | 0 | - | 4.85 | 88,324 |
| Category Elimination - Capital Cities #1 | 0 | - | 4.87 | 131,396 |
| Name a Valid European Capital | 0 | - | 4.95 | 150,726 |
| Top 10 Biggest Economies in Europe | 0 | - | 4.98 | 197,134 |
| Top 10 Biggest Economies in Africa | 0 | - | 4.99 | 119,314 |
| Top 10 Biggest Economies in Asia | 0 | - | 4.85 | 113,179 |
| Top 10 Biggest Economies in the Americas | 0 | - | 4.94 | 91,025 |
| Top 10 Coldest European Countries | 0 | - | 4.94 | 192,185 |
| Top 10 Hottest European Countries | 0 | - | 4.89 | 126,055 |
| Top 10 Coldest Asian Countries | 0 | - | 4.95 | 122,462 |
| Biggest Countries by Population | 0 | - | 5.00 | 1,433,945 |
| Smallest Countries by Population and Area | 0 | - | 4.99 | 377,357 |
| Countries More Populous Than Their Neighbors | 0 | - | 4.99 | 170,924 |
| Countries with Megacities | 0 | - | 4.99 | 246,345 |
| Countries With More than 50 Million People | 0 | - | 4.99 | 196,851 |
| Countries with the Most Population Growth by Decade | 0 | - | 4.98 | 111,763 |
| Countries With More than 200 Million People | 0 | - | 4.96 | 135,303 |
| Countries Less Populous Than Their Neighbors | 0 | - | 4.96 | 79,708 |
| Global Cities on a World Map | 0 | - | 4.93 | 134,639 |
| Northernmost Capital Cities | 0 | - | 4.98 | 108,846 |
| Most Remote Capital Cities | 0 | - | 4.92 | 52,590 |
| Capital Cities: Ports and Saints | 0 | - | 4.96 | 44,543 |
| Capitals with the Shortest Names | 0 | - | 4.97 | 107,504 |
| Same Letter Country and Capital | 0 | - | 4.99 | 155,272 |
| Countries by Capital City | 0 | - | 5.00 | 66,509 |
| Capital Cities Based on First Two Letters | 0 | - | 4.85 | 76,247 |
| Capitals of the Largest Countries by Area | 0 | - | 4.96 | 113,836 |
| World Capitals by Proximity | 0 | - | 4.91 | 328,090 |
| South American Capitals - Map Quiz | 0 | - | 4.98 | 129,347 |
| Divided Capital Name Puzzle #1 | 0 | - | 4.99 | 83,360 |
| European Capitals with the Least Sunshine | 0 | - | 4.46 | 50,135 |
| Moved Capital Cities | 0 | - | 4.96 | 73,536 |
| Countries by Sports League Revenue | 0 | - | 4.94 | 75,439 |
| Top 10 Richest Countries in the Americas | 0 | - | 4.90 | 76,055 |
| Top 10 Richest Countries in Africa | 0 | - | 4.85 | 75,139 |
| Top 10 Richest Countries in Europe | 0 | - | 4.91 | 148,069 |
| Biggest Trading Partners - European Union | 0 | - | 4.91 | 72,058 |
| Country Flags with the Fewest Colours A-Z | 0 | - | 4.63 | 58,526 |
| U.S. Cities A-Z by Clue | 0 | - | 4.36 | 39,638 |
| Most Guessed U.S. Cities | 0 | - | 4.88 | 104,761 |
| U.S. Cities with the Biggest Economies | 0 | - | 4.83 | 71,974 |
| World Capitals Closest to Bangkok | 0 | - | 4.91 | 40,781 |
| Most Guessed Asian Capitals | 0 | - | 4.51 | 65,778 |
| Random African Capitals on a Map | 0 | - | 4.96 | 54,220 |
| Random Asian Capitals on a Map | 0 | - | 4.83 | 50,586 |
| Random European Capitals on a Map | 0 | - | 4.97 | 133,761 |
| US State Capitals Quiz - No Hints | 0 | - | 4.98 | 94,455 |
| 10 Westernmost U.S. State Capitals | 0 | - | 4.90 | 47,839 |
| Hindu Countries | 0 | - | 4.85 | 49,469 |
| Five Most Densely Populated Countries by Continent | 0 | - | 4.95 | 85,751 |
| Five Most Populated Countries by Continent | 0 | - | 4.99 | 265,759 |
| Most Populous Countries with Exceptions | 0 | - | 4.98 | 120,787 |
| Top 10 Most Densely-Populated Countries in Europe | 0 | - | 4.98 | 111,420 |
| Five Least Densely Populated Countries by Continent | 0 | - | 4.92 | 92,519 |
| Countries by Population Range - Tile Select | 0 | - | 4.87 | 58,178 |
| North American Sports Cities | 0 | - | 4.83 | 170,797 |
| Summer Olympic City Bids | 0 | - | 4.93 | 41,892 |
| Cities with the Most Metro Rail Stations | 0 | - | 4.89 | 101,659 |
| Name a City - European Countries | 0 | - | 4.92 | 64,296 |
| Cities by Former Name | 0 | - | 4.84 | 90,893 |
| Capitals in their Native Languages | 0 | - | 4.95 | 132,653 |
| Nearest Capital City #1 | 0 | - | 4.84 | 57,204 |
| Capitals Furthest from the Border | 0 | - | 4.96 | 67,825 |
| World Capitals by Map | 0 | - | 5.00 | 282,941 |
| Capital Cities in a Ring of the World Map | 0 | - | 4.95 | 57,613 |
| Random Capital to Country | 0 | - | 4.99 | 2,576,843 |
| Random Country to Capital | 0 | - | 4.98 | 910,819 |
| Capitals Starting With H | 0 | - | 4.90 | 90,031 |
| Capitals Starting With K | 0 | - | 4.85 | 75,591 |
| Capitals Starting With L | 0 | - | 4.81 | 86,723 |
| Capitals Starting With M | 0 | - | 4.93 | 105,914 |
| Capitals Starting With P | 0 | - | 4.88 | 77,095 |
| Capitals Starting With R | 0 | - | 4.87 | 80,887 |
| Capitals Starting With S | 0 | - | 4.89 | 84,710 |
| Capitals Starting With T | 0 | - | 4.84 | 75,215 |
| Capitals Starting With W | 0 | - | 4.89 | 90,530 |
| Capitals Starting With A | 0 | - | 4.97 | 126,412 |
| Capitals Starting With B | 0 | - | 4.89 | 117,176 |
| Capitals Starting With D | 0 | - | 4.93 | 95,263 |
| U.S. State Capitals Map Quiz | 0 | - | 4.93 | 142,251 |
| Countries That Use the Euro | 0 | - | 4.96 | 102,798 |
| Olympic Host Countries | 0 | - | 4.98 | 198,792 |
| Landlocked Countries in Africa | 0 | - | 4.99 | 45,754 |
| 10 Easternmost Countries in Europe | 0 | - | 4.89 | 113,395 |
| Ten Highest Ranking FIFA Countries by Year | 0 | - | 4.94 | 302,965 |
| The Only European Country ... | 0 | - | 4.91 | 213,581 |
| Mediterranean Countries Quiz | 0 | - | 4.99 | 209,918 |
| European Countries NOT in NATO | 0 | - | 4.87 | 59,378 |
| Countries with Territorial Claims in Antarctica | 0 | - | 4.94 | 92,163 |
| Countries of Africa | 0 | - | 5.00 | 2,505,476 |
| Countries with the Most Hindus | 0 | - | 4.90 | 122,241 |
| Australia A-Z | 0 | - | 4.54 | 49,769 |
| Countries of Europe by Population | 0 | - | 4.98 | 177,810 |
| Most Populous Countries by Year | 0 | - | 4.83 | 109,097 |
| Most Populated Countries Bordering the Pacific Ocean | 0 | - | 4.96 | 95,098 |
| Most Populous Countries Bordering Each Other | 0 | - | 4.97 | 129,199 |
| Countries with the Most People Bordering Them | 0 | - | 4.98 | 106,793 |
| Populous Countries Bordering Smaller Countries | 0 | - | 4.97 | 112,318 |
| Densest Countries Bordering Each Other | 0 | - | 4.93 | 89,493 |
| Most Populous World Capitals | 0 | - | 4.94 | 174,445 |
| Most Populous Countries in 2050 | 0 | - | 4.91 | 221,352 |
| First Countries to Reach 5 Million People | 0 | - | 4.92 | 134,198 |
| Most Populous Modern-Day Countries in 1000 AD | 0 | - | 4.87 | 75,199 |
| Most Populous Modern-Day Countries in 1 AD | 0 | - | 4.97 | 83,543 |
| Most Populous Modern-Day Countries in 1800 AD | 0 | - | 4.93 | 66,505 |
| Most Populous Modern-Day Countries in 1500 AD | 0 | - | 4.93 | 72,739 |
| Most Populous Modern-Day Countries by Century | 0 | - | 4.98 | 96,137 |
| U.S. Cities with the Most Skyscrapers | 0 | - | 4.89 | 95,280 |
| 15 Largest Cities in Africa With a Map | 0 | - | 4.95 | 109,271 |
| Most Guessed Cities by Country #3 | 0 | - | 4.89 | 45,118 |
| Summer Olympics Host Cities | 0 | - | 4.98 | 212,945 |
| Most-Visited Cities in Europe | 0 | - | 4.82 | 73,689 |
| Cities with the Biggest Economies | 0 | - | 4.91 | 129,557 |
| Five Most Guessed Cities by Continent | 0 | - | 4.96 | 112,285 |
| Former Capitals | 0 | - | 4.88 | 71,101 |
| Capital Cities Chain | 0 | - | 4.84 | 81,842 |
| Coldest World Capitals | 0 | - | 4.95 | 133,004 |
| Capital Cities with Spanish Names | 0 | - | 4.90 | 76,713 |
| Random Countries and Capitals without Vowels | 0 | - | 4.61 | 20,738 |
| Name a Valid Capital #1 | 0 | - | 4.96 | 89,909 |
| Random State Capital to U.S. State | 0 | - | 4.83 | 88,121 |
| Countries of Europe - One Minute Sprint | 0 | - | 4.94 | 1,318,814 |
| Countries with the Most Christians | 0 | - | 4.92 | 141,309 |
| Top 10 Languages Spoken in Europe | 0 | - | 4.96 | 216,126 |
| Countries of the Middle East | 0 | - | 4.96 | 198,761 |
| Countries with Territory in the Balkans | 0 | - | 4.96 | 88,184 |
| Slavic Countries | 0 | - | 4.96 | 110,793 |
| African Island Countries | 0 | - | 4.96 | 100,696 |
| Straight Shot to Antarctica | 0 | - | 4.94 | 42,467 |
| Least Christian Countries with Exceptions | 0 | - | 4.90 | 86,837 |
| Countries of Europe in 1650 with a Map | 0 | - | 4.95 | 67,214 |
| All Countries Never To Qualify For A FIFA World Cup | 0 | - | 4.84 | 44,873 |
| Countries with the Highest Population Density | 0 | - | 4.94 | 164,030 |
| Countries with the Lowest Population Density | 0 | - | 4.98 | 169,002 |
| Countries of North America Quiz | 0 | - | 5.00 | 1,010,774 |
| Countries of Asia with Two or More Words | 0 | - | 4.96 | 125,614 |
| Asian Countries Ending in "IA" | 0 | - | 4.96 | 106,396 |
| African Countries with the Shortest Names | 0 | - | 4.98 | 151,970 |
| Five Top Olympic Medal-Winning Countries by Continent | 0 | - | 4.96 | 142,700 |
| Top 10 Biggest African Countries by Area | 0 | - | 4.99 | 215,524 |
| 10 Biggest European Countries by Area | 0 | - | 4.99 | 191,621 |
| 10 Biggest Asian Countries by Area | 0 | - | 4.97 | 152,694 |
| 10 Biggest American Countries by Area | 0 | - | 4.95 | 112,122 |
| Top 10 Most Populous American Countries | 0 | - | 4.97 | 143,107 |
| 10 Westernmost Countries in Europe | 0 | - | 4.96 | 150,220 |
| 10 Southernmost Countries in Africa | 0 | - | 4.98 | 115,491 |
| 10 Northernmost Countries in Africa | 0 | - | 4.98 | 160,179 |
| 10 Southernmost Countries in Asia | 0 | - | 4.97 | 98,339 |
| 10 Easternmost Countries in Asia | 0 | - | 4.99 | 107,155 |
| Top 10 Smallest African Countries by Area | 0 | - | 4.96 | 32,450 |
| Biggest Trading Partners - Colombia | 0 | - | 4.88 | 39,962 |
