| Countries by Capitals and Borders in 90 Seconds | 0 | - | 4.83 | 227,349 |
| Five Most Inland Capital Cities by Continent | 0 | - | 4.92 | 13,536 |
| Biggest Countries by Population - Shape Quiz | 0 | - | 4.91 | 57,714 |
| Africa Capitals Quiz | 0 | - | 4.99 | 742,258 |
| Asia Capitals Quiz | 0 | - | 4.98 | 697,382 |
| Capitals of the Most Populated Countries | 0 | - | 4.96 | 128,300 |
| Nordic Countries and Capitals | 0 | - | 4.95 | 83,961 |
| Random European Capital to Country | 0 | - | 4.98 | 191,863 |
| Random European Country to Capital | 0 | - | 4.93 | 165,683 |
| Random Asian Country to Capital | 0 | - | 4.92 | 96,889 |
| Random Asian Capital to Country | 0 | - | 4.97 | 103,281 |
| Random African Capital to Country | 0 | - | 4.97 | 101,166 |
| Random African Country to Capital | 0 | - | 4.94 | 71,634 |
| Every European Country Shape | 0 | - | 4.96 | 202,631 |
| Every Asian Country Shape | 0 | - | 4.95 | 88,167 |
| Every African Country Shape | 0 | - | 4.90 | 88,109 |
| Europe Capital to Country | 0 | - | 4.99 | 251,644 |
| Asia Capital to Country | 0 | - | 4.96 | 127,226 |
| EU Capitals with No Hints | 0 | - | 4.96 | 146,684 |
| European Capitals by Map | 0 | - | 4.99 | 141,504 |
| African Capitals by Map | 0 | - | 4.99 | 141,569 |
| Asian Capitals by Map | 0 | - | 4.98 | 63,650 |
| 10 Westernmost Capital Cities in Europe | 0 | - | 4.88 | 92,670 |
| 10 Northernmost Capital Cities in Europe | 0 | - | 4.96 | 85,007 |
| European Coastal Capitals | 0 | - | 4.95 | 91,119 |
| 10 Easternmost Capital Cities in Asia | 0 | - | 4.89 | 53,089 |
| Capitals of Oceania Quiz | 0 | - | 4.99 | 271,882 |
| Europe by Capitals and Borders in 30 Seconds | 0 | - | 4.88 | 225,364 |
| Capitals of Mediterranean Countries | 0 | - | 4.95 | 82,065 |
| World Capitals Quiz | 0 | - | 5.00 | 5,096,973 |
| South America Capitals Quiz | 0 | - | 5.00 | 484,001 |
| Random European Flag to Country | 0 | - | 4.90 | 183,852 |
| Random African Flag to Country | 0 | - | 4.88 | 75,440 |
| North America Capitals Quiz | 0 | - | 4.99 | 221,576 |
| African Capitals - Map Quiz | 0 | - | 4.94 | 63,027 |
| Top 10 Most Remote European Capitals | 0 | - | 4.87 | 94,429 |
| European Capitals - Map Quiz | 0 | - | 4.97 | 119,878 |
| Middle East Capital Cities Quiz | 0 | - | 4.96 | 88,269 |
| European Capitals Furthest from the Sea | 0 | - | 4.92 | 82,476 |
| Asian Capitals - Map Quiz | 0 | - | 4.95 | 61,803 |
| European Capitals Ending in N | 0 | - | 4.92 | 81,595 |
| Top 50 Countries by Population - In Order | 0 | - | 4.98 | 333,625 |
| Europe Capitals Quiz | 0 | - | 5.00 | 1,596,078 |
| Countries that Start with C - Shape Quiz | 0 | - | 4.89 | 99,631 |
| Countries that Start with I - Shape Quiz | 0 | - | 4.86 | 114,494 |
| Countries that Start with A - Shape Quiz | 0 | - | 4.93 | 34,935 |
| Countries that Start with N - Shape Quiz | 0 | - | 4.94 | 83,097 |
| Flags of Countries that Border Germany | 0 | - | 4.86 | 97,711 |
| Flags of Countries that Border China | 0 | - | 4.94 | 99,962 |
| Flags of Countries That Border France | 0 | - | 4.89 | 123,625 |
| U.S. State Flags | 0 | - | 4.89 | 172,210 |
| Capitals of Canadian Provinces | 0 | - | 4.85 | 89,468 |
| Name a Valid European Capital | 0 | - | 4.95 | 153,312 |
| European Capital Superlatives - Top 2 | 0 | - | 4.95 | 81,458 |
| Random Asian Countries on a Map | 0 | - | 4.91 | 170,705 |
| Random African Countries on a Map | 0 | - | 4.99 | 297,440 |
| Random American Countries on a Map | 0 | - | 4.96 | 100,023 |
| Random European Countries on a Map | 0 | - | 4.97 | 284,697 |
| Biggest Countries by Population | 0 | - | 5.00 | 1,451,760 |
| Smallest Countries by Population and Area | 0 | - | 4.99 | 381,869 |
| Countries More Populous Than Their Neighbors | 0 | - | 4.99 | 174,617 |
| Countries with Megacities | 0 | - | 4.99 | 266,117 |
| Countries With More than 50 Million People | 0 | - | 4.99 | 200,364 |
| Countries with the Most Population Growth by Decade | 0 | - | 4.98 | 113,815 |
| Countries With More than 200 Million People | 0 | - | 4.95 | 138,647 |
| Countries Less Populous Than Their Neighbors | 0 | - | 4.96 | 81,940 |
| Flags to Largest Cities | 0 | - | 4.54 | 51,723 |
| Global Cities on a World Map | 0 | - | 4.93 | 137,017 |
| Northernmost Capital Cities | 0 | - | 4.98 | 110,938 |
| Most Remote Capital Cities | 0 | - | 4.92 | 53,826 |
| Capital Cities: Ports and Saints | 0 | - | 4.96 | 46,007 |
| Capitals with the Shortest Names | 0 | - | 4.97 | 109,951 |
| Same Letter Country and Capital | 0 | - | 4.99 | 157,834 |
| Countries by Capital City | 0 | - | 5.00 | 69,113 |
| Capital Cities Based on First Two Letters | 0 | - | 4.85 | 77,684 |
| Capitals of the Largest Countries by Area | 0 | - | 4.96 | 115,073 |
| World Capitals by Proximity | 0 | - | 4.91 | 333,193 |
| South American Capitals - Map Quiz | 0 | - | 4.98 | 131,203 |
| Divided Capital Name Puzzle #1 | 0 | - | 4.99 | 84,646 |
| Most Guessed European Capitals | 0 | - | 4.87 | 101,733 |
| Moved Capital Cities | 0 | - | 4.96 | 74,546 |
| Countries by Sports League Revenue | 0 | - | 4.95 | 78,137 |
| Countries that Start with B - Shape Quiz | 0 | - | 4.88 | 27,637 |
| Country Flag-Shape Picture Quiz #1 | 0 | - | 4.94 | 95,264 |
| Country Flag-Shape Picture Quiz #2 | 0 | - | 4.90 | 73,165 |
| Country Flag-Shape Picture Quiz #4 | 0 | - | 4.96 | 72,032 |
| Country Flag-Shape Picture Quiz #6 | 0 | - | 4.98 | 70,043 |
| Country Flag-Shape Picture Quiz #5 | 0 | - | 4.97 | 62,085 |
| Country Flag-Shape Picture Quiz #7 | 0 | - | 4.96 | 59,175 |
| Europe Flags Map Quiz | 0 | - | 4.97 | 159,251 |
| Fill the World Map by Country Flags | 0 | - | 4.99 | 84,115 |
| World Capitals Closest to Bangkok | 0 | - | 4.91 | 41,117 |
| Random African Capitals on a Map | 0 | - | 4.96 | 55,161 |
| Random Asian Capitals on a Map | 0 | - | 4.83 | 51,287 |
| Random European Capitals on a Map | 0 | - | 4.97 | 135,247 |
| US State Capitals Quiz - No Hints | 0 | - | 4.98 | 95,503 |
| 10 Westernmost U.S. State Capitals | 0 | - | 4.90 | 48,253 |
| Shapes of Mediterranean Sea Countries | 0 | - | 4.80 | 56,028 |
| Random Sequential African Countries on a Map | 0 | - | 5.00 | 128,181 |
| Random Sequential Asian Countries on a Map | 0 | - | 4.99 | 119,446 |
| Random Sequential European Countries on a Map | 0 | - | 4.99 | 217,827 |
| Five Most Densely Populated Countries by Continent | 0 | - | 4.96 | 87,157 |
| Five Most Populated Countries by Continent | 0 | - | 4.99 | 268,683 |
| Most Populous Countries with Exceptions | 0 | - | 4.98 | 122,483 |
| Top 10 Most Densely-Populated Countries in Europe | 0 | - | 4.98 | 112,763 |
| Five Least Densely Populated Countries by Continent | 0 | - | 4.90 | 94,033 |
| Countries by Population Range - Tile Select | 0 | - | 4.87 | 59,444 |
| North American Sports Cities | 0 | - | 4.83 | 172,963 |
| Summer Olympic City Bids | 0 | - | 4.94 | 42,501 |
| Cities with the Most Metro Rail Stations | 0 | - | 4.89 | 102,809 |
| Cities by Former Name | 0 | - | 4.83 | 91,916 |
| Capitals in their Native Languages | 0 | - | 4.95 | 133,610 |
| Nearest Capital City #1 | 0 | - | 4.83 | 57,893 |
| Capitals Furthest from the Border | 0 | - | 4.96 | 69,653 |
| World Capitals by Map | 0 | - | 5.00 | 288,695 |
| Capital Cities in a Ring of the World Map | 0 | - | 4.95 | 58,692 |
| Random Capital to Country | 0 | - | 4.99 | 2,598,628 |
| Random Country to Capital | 0 | - | 4.98 | 925,716 |
| Capitals Starting With H | 0 | - | 4.91 | 93,008 |
| Capitals Starting With K | 0 | - | 4.88 | 84,058 |
| Capitals Starting With L | 0 | - | 4.81 | 91,346 |
| Capitals Starting With M | 0 | - | 4.93 | 108,579 |
| Capitals Starting With P | 0 | - | 4.88 | 78,660 |
| Capitals Starting With R | 0 | - | 4.88 | 82,215 |
| Capitals Starting With S | 0 | - | 4.90 | 86,238 |
| Capitals Starting With T | 0 | - | 4.85 | 76,547 |
| Capitals Starting With W | 0 | - | 4.87 | 91,545 |
| Capitals Starting With A | 0 | - | 4.97 | 128,677 |
| Capitals Starting With B | 0 | - | 4.89 | 119,083 |
| Capitals Starting With D | 0 | - | 4.93 | 96,887 |
| U.S. State Capitals Map Quiz | 0 | - | 4.93 | 149,857 |
| Countries That Use the Euro | 0 | - | 4.95 | 106,298 |
| Olympic Host Countries | 0 | - | 4.98 | 201,612 |
| Landlocked Countries in Africa | 0 | - | 4.99 | 47,632 |
| 10 Easternmost Countries in Europe | 0 | - | 4.87 | 116,752 |
| Ten Highest Ranking FIFA Countries by Year | 0 | - | 4.95 | 312,530 |
| The Only European Country ... | 0 | - | 4.91 | 218,387 |
| Mediterranean Countries Quiz | 0 | - | 4.99 | 213,468 |
| European Countries NOT in NATO | 0 | - | 4.91 | 62,171 |
| Countries with Territorial Claims in Antarctica | 0 | - | 4.94 | 92,844 |
| Eastern Africa Map Quiz | 0 | - | 4.98 | 79,396 |
| Countries of Africa | 0 | - | 5.00 | 2,553,178 |
| Africa Flags Map Quiz | 0 | - | 4.95 | 36,752 |
| Single Vowel Capitals | 0 | - | 4.82 | 14,662 |
| Countries of Europe by Population | 0 | - | 4.98 | 182,399 |
| Most Populous Countries by Year | 0 | - | 4.83 | 111,177 |
| Most Populated Countries Bordering the Pacific Ocean | 0 | - | 4.97 | 95,831 |
| Most Populous Countries Bordering Each Other | 0 | - | 4.97 | 131,098 |
| Countries with the Most People Bordering Them | 0 | - | 4.98 | 108,469 |
| Populous Countries Bordering Smaller Countries | 0 | - | 4.97 | 113,594 |
| Densest Countries Bordering Each Other | 0 | - | 4.93 | 90,726 |
| Most Populous World Capitals | 0 | - | 4.94 | 176,515 |
| Most Populous Countries in 2050 | 0 | - | 4.91 | 223,588 |
| First Countries to Reach 5 Million People | 0 | - | 4.93 | 135,736 |
| Most Populous Modern-Day Countries in 1000 AD | 0 | - | 4.88 | 76,417 |
| Most Populous Modern-Day Countries in 1 AD | 0 | - | 4.98 | 93,097 |
| Most Populous Modern-Day Countries in 1800 AD | 0 | - | 4.93 | 67,439 |
| Most Populous Modern-Day Countries in 1500 AD | 0 | - | 4.93 | 73,759 |
| Most Populous Modern-Day Countries by Century | 0 | - | 4.98 | 97,619 |
| U.S. Cities with the Most Skyscrapers | 0 | - | 4.89 | 95,713 |
| 15 Largest Cities in Africa With a Map | 0 | - | 4.96 | 111,266 |
| Most Guessed Cities by Country #3 | 0 | - | 4.89 | 46,733 |
| Summer Olympics Host Cities | 0 | - | 4.98 | 216,094 |
| Most-Visited Cities in Europe | 0 | - | 4.83 | 75,824 |
| Cities with the Biggest Economies | 0 | - | 4.91 | 131,507 |
| Five Most Guessed Cities by Continent | 0 | - | 4.96 | 113,439 |
| Former Capitals | 0 | - | 4.88 | 71,618 |
| Capital Cities Chain | 0 | - | 4.84 | 83,205 |
| Coldest World Capitals | 0 | - | 4.95 | 134,075 |
| Capital Cities with Spanish Names | 0 | - | 4.90 | 77,987 |
| Random Countries and Capitals without Vowels | 0 | - | 4.61 | 22,118 |
| Name a Valid Capital #1 | 0 | - | 4.96 | 91,392 |
| Random State Capital to U.S. State | 0 | - | 4.85 | 89,623 |
| Countries of Europe - One Minute Sprint | 0 | - | 4.94 | 1,333,834 |
| Top 10 Languages Spoken in Europe | 0 | - | 4.96 | 220,253 |
| Countries of the Middle East | 0 | - | 4.96 | 202,284 |
| Countries with Territory in the Balkans | 0 | - | 4.96 | 89,951 |
| Slavic Countries | 0 | - | 4.96 | 112,191 |
| African Island Countries | 0 | - | 4.96 | 102,256 |
| Straight Shot to Antarctica | 0 | - | 4.94 | 43,083 |
| Countries of Europe in 1650 with a Map | 0 | - | 4.95 | 70,087 |
| All Countries Never To Qualify For A FIFA World Cup | 0 | - | 4.84 | 52,610 |
| Countries with the Highest Population Density | 0 | - | 4.95 | 165,467 |
| Countries with the Lowest Population Density | 0 | - | 4.98 | 170,709 |
| Countries of North America Quiz | 0 | - | 5.00 | 1,029,031 |
| Countries of Asia with Two or More Words | 0 | - | 4.96 | 127,582 |
| Asian Countries Ending in "IA" | 0 | - | 4.96 | 108,117 |
| African Countries with the Shortest Names | 0 | - | 4.98 | 154,331 |
| Five Top Olympic Medal-Winning Countries by Continent | 0 | - | 4.96 | 144,961 |
| Top 10 Biggest African Countries by Area | 0 | - | 4.99 | 218,083 |
| 10 Biggest European Countries by Area | 0 | - | 4.99 | 193,293 |
| 10 Biggest Asian Countries by Area | 0 | - | 4.97 | 154,361 |
| 10 Biggest American Countries by Area | 0 | - | 4.95 | 112,867 |
| Top 10 Most Populous American Countries | 0 | - | 4.96 | 144,651 |
| 10 Westernmost Countries in Europe | 0 | - | 4.96 | 151,844 |
| 10 Southernmost Countries in Africa | 0 | - | 4.98 | 117,316 |
| 10 Northernmost Countries in Africa | 0 | - | 4.98 | 162,085 |
| 10 Southernmost Countries in Asia | 0 | - | 4.97 | 99,724 |
| 10 Easternmost Countries in Asia | 0 | - | 4.99 | 108,997 |
| Top 10 Smallest African Countries by Area | 0 | - | 4.96 | 33,974 |
