| Name a World Capital A-Z | 0 | - | 5.00 | 177,002 |
| Countries by Capitals and Borders in 90 Seconds | 0 | - | 4.83 | 227,856 |
| Five Most Inland Capital Cities by Continent | 0 | - | 4.92 | 13,654 |
| European Capital Superlatives - Top 2 | 0 | - | 4.95 | 81,534 |
| Africa Capitals Quiz | 0 | - | 4.99 | 743,414 |
| Asia Capitals Quiz | 0 | - | 4.98 | 698,551 |
| Countries Closest to United States A-Z | 0 | - | 4.82 | 118,678 |
| Countries Closest to Spain A-Z | 0 | - | 4.98 | 108,758 |
| Countries Closest to the United Kingdom A-Z | 0 | - | 4.96 | 191,775 |
| Capitals of the Most Populated Countries | 0 | - | 4.96 | 128,405 |
| Most Guessed European Capitals | 0 | - | 4.87 | 101,804 |
| Nordic Countries and Capitals | 0 | - | 4.95 | 84,036 |
| Random European Capital to Country | 0 | - | 4.98 | 192,081 |
| Random European Country to Capital | 0 | - | 4.93 | 165,844 |
| Random Asian Country to Capital | 0 | - | 4.92 | 96,967 |
| Random Asian Capital to Country | 0 | - | 4.97 | 103,396 |
| Random African Capital to Country | 0 | - | 4.97 | 101,300 |
| Random African Country to Capital | 0 | - | 4.95 | 71,726 |
| Europe Capital to Country | 0 | - | 4.99 | 251,986 |
| Asia Capital to Country | 0 | - | 4.96 | 127,350 |
| EU Capitals with No Hints | 0 | - | 4.96 | 146,914 |
| European Capitals by Map | 0 | - | 4.99 | 141,996 |
| African Capitals by Map | 0 | - | 4.99 | 142,048 |
| Asian Capitals by Map | 0 | - | 4.98 | 63,872 |
| 10 Westernmost Capital Cities in Europe | 0 | - | 4.88 | 92,821 |
| 10 Northernmost Capital Cities in Europe | 0 | - | 4.96 | 85,142 |
| European Coastal Capitals | 0 | - | 4.95 | 91,269 |
| 10 Easternmost Capital Cities in Asia | 0 | - | 4.89 | 53,165 |
| Capitals of Oceania Quiz | 0 | - | 4.99 | 272,545 |
| Europe by Capitals and Borders in 30 Seconds | 0 | - | 4.88 | 225,694 |
| Capitals of Mediterranean Countries | 0 | - | 4.95 | 82,145 |
| Countries Closest to Germany A-Z | 0 | - | 4.98 | 27,587 |
| World Capitals Quiz | 0 | - | 5.00 | 5,104,045 |
| South America Capitals Quiz | 0 | - | 5.00 | 484,824 |
| Divided World City Name Puzzle #1 | 0 | - | 4.84 | 49,282 |
| North America Capitals Quiz | 0 | - | 4.99 | 222,060 |
| African Capitals - Map Quiz | 0 | - | 4.94 | 63,198 |
| Top 10 Most Remote European Capitals | 0 | - | 4.87 | 94,544 |
| European Capitals - Map Quiz | 0 | - | 4.97 | 120,067 |
| Middle East Capital Cities Quiz | 0 | - | 4.96 | 88,367 |
| European Capitals Furthest from the Sea | 0 | - | 4.92 | 82,560 |
| Capitals of Countries with the Biggest Economies | 0 | - | 4.93 | 95,449 |
| Asian Capitals - Map Quiz | 0 | - | 4.95 | 61,919 |
| European Capitals Ending in N | 0 | - | 4.92 | 81,687 |
| Monarchies of Europe | 0 | - | 4.90 | 98,822 |
| Monarchies of Asia | 0 | - | 4.97 | 71,482 |
| Asian Country Superlatives | 0 | - | 4.84 | 81,270 |
| Top 50 Countries by Population - In Order | 0 | - | 4.98 | 335,125 |
| Europe Capitals Quiz | 0 | - | 5.00 | 1,598,811 |
| Capitals of Canadian Provinces | 0 | - | 4.85 | 89,636 |
| Category Elimination - Capital Cities #1 | 0 | - | 4.88 | 134,180 |
| Name a Valid European Capital | 0 | - | 4.95 | 153,554 |
| Top 10 Biggest Economies in Europe | 0 | - | 4.98 | 200,634 |
| Top 10 Biggest Economies in Africa | 0 | - | 4.99 | 121,295 |
| Top 10 Biggest Economies in Asia | 0 | - | 4.87 | 137,157 |
| Top 10 Biggest Economies in the Americas | 0 | - | 4.94 | 92,806 |
| Top 10 Coldest European Countries | 0 | - | 4.94 | 193,840 |
| Top 10 Hottest European Countries | 0 | - | 4.88 | 127,754 |
| Top 10 Coldest Asian Countries | 0 | - | 4.95 | 123,721 |
| Biggest Countries by Population | 0 | - | 5.00 | 1,453,631 |
| Smallest Countries by Population and Area | 0 | - | 4.99 | 382,369 |
| Countries More Populous Than Their Neighbors | 0 | - | 4.99 | 175,048 |
| Countries with Megacities | 0 | - | 4.99 | 266,924 |
| Countries With More than 50 Million People | 0 | - | 4.99 | 200,761 |
| Countries with the Most Population Growth by Decade | 0 | - | 4.98 | 114,069 |
| Countries With More than 200 Million People | 0 | - | 4.95 | 139,079 |
| Countries Less Populous Than Their Neighbors | 0 | - | 4.96 | 82,187 |
| Global Cities on a World Map | 0 | - | 4.93 | 137,240 |
| Northernmost Capital Cities | 0 | - | 4.98 | 111,301 |
| Most Remote Capital Cities | 0 | - | 4.92 | 53,947 |
| Capital Cities: Ports and Saints | 0 | - | 4.96 | 46,176 |
| Capitals with the Shortest Names | 0 | - | 4.97 | 110,184 |
| Same Letter Country and Capital | 0 | - | 4.99 | 158,087 |
| Countries by Capital City | 0 | - | 5.00 | 69,329 |
| Capital Cities Based on First Two Letters | 0 | - | 4.85 | 77,822 |
| Capitals of the Largest Countries by Area | 0 | - | 4.96 | 115,194 |
| World Capitals by Proximity | 0 | - | 4.91 | 333,711 |
| South American Capitals - Map Quiz | 0 | - | 4.98 | 131,371 |
| Divided Capital Name Puzzle #1 | 0 | - | 4.99 | 84,780 |
| European Capitals with the Least Sunshine | 0 | - | 4.46 | 50,478 |
| Moved Capital Cities | 0 | - | 4.96 | 74,622 |
| Countries by Sports League Revenue | 0 | - | 4.94 | 78,466 |
| Top 10 Richest Countries in the Americas | 0 | - | 4.94 | 94,885 |
| Top 10 Richest Countries in Africa | 0 | - | 4.85 | 76,966 |
| Top 10 Richest Countries in Europe | 0 | - | 4.90 | 151,136 |
| Biggest Trading Partners - European Union | 0 | - | 4.91 | 73,276 |
| Country Flags with the Fewest Colours A-Z | 0 | - | 4.63 | 59,154 |
| Most Guessed U.S. Cities | 0 | - | 4.89 | 106,943 |
| U.S. Cities with the Biggest Economies | 0 | - | 4.83 | 73,403 |
| World Capitals Closest to Bangkok | 0 | - | 4.91 | 41,138 |
| Most Guessed Asian Capitals | 0 | - | 4.51 | 66,029 |
| Random African Capitals on a Map | 0 | - | 4.96 | 55,223 |
| Random Asian Capitals on a Map | 0 | - | 4.83 | 51,349 |
| Random European Capitals on a Map | 0 | - | 4.97 | 135,367 |
| US State Capitals Quiz - No Hints | 0 | - | 4.98 | 95,609 |
| 10 Westernmost U.S. State Capitals | 0 | - | 4.90 | 48,299 |
| Hindu Countries | 0 | - | 4.87 | 50,563 |
| Five Most Densely Populated Countries by Continent | 0 | - | 4.96 | 87,293 |
| Five Most Populated Countries by Continent | 0 | - | 4.99 | 268,969 |
| Most Populous Countries with Exceptions | 0 | - | 4.98 | 122,624 |
| Top 10 Most Densely-Populated Countries in Europe | 0 | - | 4.98 | 112,878 |
| Five Least Densely Populated Countries by Continent | 0 | - | 4.90 | 94,186 |
| Countries by Population Range - Tile Select | 0 | - | 4.87 | 59,577 |
| North American Sports Cities | 0 | - | 4.83 | 173,097 |
| Summer Olympic City Bids | 0 | - | 4.94 | 42,551 |
| Cities with the Most Metro Rail Stations | 0 | - | 4.89 | 102,921 |
| Name a City - European Countries | 0 | - | 4.90 | 66,126 |
| Cities by Former Name | 0 | - | 4.83 | 92,024 |
| Capitals in their Native Languages | 0 | - | 4.95 | 133,671 |
| Nearest Capital City #1 | 0 | - | 4.83 | 57,966 |
| Capitals Furthest from the Border | 0 | - | 4.96 | 69,786 |
| World Capitals by Map | 0 | - | 5.00 | 289,230 |
| Capital Cities in a Ring of the World Map | 0 | - | 4.95 | 58,799 |
| Random Capital to Country | 0 | - | 4.99 | 2,600,960 |
| Random Country to Capital | 0 | - | 4.98 | 927,549 |
| Capitals Starting With H | 0 | - | 4.91 | 93,312 |
| Capitals Starting With K | 0 | - | 4.89 | 84,384 |
| Capitals Starting With M | 0 | - | 4.94 | 109,138 |
| Capitals Starting With P | 0 | - | 4.88 | 78,983 |
| Capitals Starting With R | 0 | - | 4.88 | 82,486 |
| Capitals Starting With S | 0 | - | 4.90 | 86,554 |
| Capitals Starting With T | 0 | - | 4.85 | 76,815 |
| Capitals Starting With W | 0 | - | 4.87 | 91,724 |
| Capitals Starting With A | 0 | - | 4.97 | 129,071 |
| Capitals Starting With B | 0 | - | 4.89 | 119,475 |
| Capitals Starting With D | 0 | - | 4.94 | 97,184 |
| U.S. State Capitals Map Quiz | 0 | - | 4.93 | 150,881 |
| Countries That Use the Euro | 0 | - | 4.95 | 106,689 |
| Olympic Host Countries | 0 | - | 4.98 | 201,903 |
| Landlocked Countries in Africa | 0 | - | 4.99 | 47,807 |
| 10 Easternmost Countries in Europe | 0 | - | 4.87 | 117,024 |
| Ten Highest Ranking FIFA Countries by Year | 0 | - | 4.95 | 313,633 |
| The Only European Country ... | 0 | - | 4.91 | 218,866 |
| Mediterranean Countries Quiz | 0 | - | 4.99 | 213,848 |
| European Countries NOT in NATO | 0 | - | 4.91 | 62,442 |
| Countries with Territorial Claims in Antarctica | 0 | - | 4.94 | 92,895 |
| Countries of Africa | 0 | - | 5.00 | 2,558,428 |
| Countries with the Most Hindus | 0 | - | 4.90 | 123,548 |
| Biggest Trading Partners - Turkey | 0 | - | 4.81 | 51,180 |
| Australia A-Z | 0 | - | 4.54 | 50,131 |
| Single Vowel Capitals | 0 | - | 4.83 | 14,724 |
| Countries of Europe by Population | 0 | - | 4.98 | 182,853 |
| Most Populous Countries by Year | 0 | - | 4.83 | 111,360 |
| Most Populated Countries Bordering the Pacific Ocean | 0 | - | 4.97 | 95,889 |
| Most Populous Countries Bordering Each Other | 0 | - | 4.97 | 131,303 |
| Countries with the Most People Bordering Them | 0 | - | 4.98 | 108,631 |
| Populous Countries Bordering Smaller Countries | 0 | - | 4.97 | 113,731 |
| Densest Countries Bordering Each Other | 0 | - | 4.93 | 90,868 |
| Most Populous World Capitals | 0 | - | 4.94 | 176,658 |
| Most Populous Countries in 2050 | 0 | - | 4.91 | 223,768 |
| First Countries to Reach 5 Million People | 0 | - | 4.93 | 135,855 |
| Most Populous Modern-Day Countries in 1000 AD | 0 | - | 4.88 | 76,501 |
| Most Populous Modern-Day Countries in 1 AD | 0 | - | 4.98 | 93,179 |
| Most Populous Modern-Day Countries in 1800 AD | 0 | - | 4.93 | 67,502 |
| Most Populous Modern-Day Countries in 1500 AD | 0 | - | 4.93 | 73,846 |
| Most Populous Modern-Day Countries by Century | 0 | - | 4.98 | 97,734 |
| U.S. Cities with the Most Skyscrapers | 0 | - | 4.89 | 95,769 |
| 15 Largest Cities in Africa With a Map | 0 | - | 4.96 | 111,426 |
| Most Guessed Cities by Country #3 | 0 | - | 4.89 | 46,881 |
| Summer Olympics Host Cities | 0 | - | 4.98 | 216,398 |
| Most-Visited Cities in Europe | 0 | - | 4.83 | 76,004 |
| Cities with the Biggest Economies | 0 | - | 4.91 | 131,639 |
| Five Most Guessed Cities by Continent | 0 | - | 4.96 | 113,548 |
| Former Capitals | 0 | - | 4.88 | 71,663 |
| Capital Cities Chain | 0 | - | 4.84 | 83,336 |
| Coldest World Capitals | 0 | - | 4.95 | 134,135 |
| Capital Cities with Spanish Names | 0 | - | 4.90 | 78,098 |
| Random Countries and Capitals without Vowels | 0 | - | 4.61 | 22,203 |
| Name a Valid Capital #1 | 0 | - | 4.96 | 91,525 |
| Random State Capital to U.S. State | 0 | - | 4.85 | 89,819 |
| Countries of Europe - One Minute Sprint | 0 | - | 4.94 | 1,335,257 |
| Countries with the Most Christians | 0 | - | 4.93 | 144,603 |
| Top 10 Languages Spoken in Europe | 0 | - | 4.96 | 220,644 |
| Countries of the Middle East | 0 | - | 4.96 | 202,686 |
| Countries with Territory in the Balkans | 0 | - | 4.96 | 90,136 |
| Slavic Countries | 0 | - | 4.96 | 112,330 |
| African Island Countries | 0 | - | 4.96 | 102,407 |
| Straight Shot to Antarctica | 0 | - | 4.94 | 43,157 |
| Least Christian Countries with Exceptions | 0 | - | 4.90 | 89,057 |
| Countries of Europe in 1650 with a Map | 0 | - | 4.95 | 70,314 |
| All Countries Never To Qualify For A FIFA World Cup | 0 | - | 4.83 | 53,034 |
| Countries with the Highest Population Density | 0 | - | 4.95 | 165,614 |
| Countries with the Lowest Population Density | 0 | - | 4.98 | 170,887 |
| Countries of North America Quiz | 0 | - | 5.00 | 1,030,874 |
| Countries of Asia with Two or More Words | 0 | - | 4.96 | 127,774 |
| Asian Countries Ending in "IA" | 0 | - | 4.96 | 108,285 |
| African Countries with the Shortest Names | 0 | - | 4.98 | 154,548 |
| Five Top Olympic Medal-Winning Countries by Continent | 0 | - | 4.96 | 145,126 |
| Top 10 Biggest African Countries by Area | 0 | - | 4.99 | 218,299 |
| 10 Biggest European Countries by Area | 0 | - | 4.99 | 193,464 |
| 10 Biggest Asian Countries by Area | 0 | - | 4.97 | 154,492 |
| 10 Biggest American Countries by Area | 0 | - | 4.95 | 112,941 |
| Top 10 Most Populous American Countries | 0 | - | 4.96 | 144,758 |
| 10 Westernmost Countries in Europe | 0 | - | 4.96 | 152,006 |
| 10 Southernmost Countries in Africa | 0 | - | 4.98 | 117,550 |
| 10 Northernmost Countries in Africa | 0 | - | 4.98 | 162,233 |
| 10 Southernmost Countries in Asia | 0 | - | 4.97 | 99,873 |
| 10 Easternmost Countries in Asia | 0 | - | 4.99 | 109,115 |
| Top 10 Smallest African Countries by Area | 0 | - | 4.96 | 34,094 |
| Biggest Trading Partners - Colombia | 0 | - | 4.88 | 40,532 |
