| Countries by Capitals and Borders in 90 Seconds | 0 | - | 4.84 | 225,677 |
| Biggest Countries by Population - Shape Quiz | 0 | - | 4.91 | 57,125 |
| Africa Capitals Quiz | 0 | - | 4.99 | 732,797 |
| Asia Capitals Quiz | 0 | - | 4.98 | 688,374 |
| Capitals of the Most Populated Countries | 0 | - | 4.96 | 127,356 |
| Nordic Countries and Capitals | 0 | - | 4.95 | 83,250 |
| Random European Capital to Country | 0 | - | 4.98 | 189,663 |
| Random European Country to Capital | 0 | - | 4.92 | 147,769 |
| Random Asian Country to Capital | 0 | - | 4.92 | 95,600 |
| Random Asian Capital to Country | 0 | - | 4.97 | 101,705 |
| Random African Capital to Country | 0 | - | 4.97 | 99,949 |
| Random African Country to Capital | 0 | - | 4.94 | 70,418 |
| Every European Country Shape | 0 | - | 4.96 | 200,695 |
| Every Asian Country Shape | 0 | - | 4.95 | 86,932 |
| Every African Country Shape | 0 | - | 4.90 | 86,504 |
| Europe Capital to Country | 0 | - | 4.99 | 248,654 |
| Asia Capital to Country | 0 | - | 4.96 | 126,073 |
| EU Capitals with No Hints | 0 | - | 4.96 | 144,964 |
| European Capitals by Map | 0 | - | 4.99 | 137,418 |
| African Capitals by Map | 0 | - | 4.99 | 132,704 |
| Asian Capitals by Map | 0 | - | 4.98 | 61,640 |
| 10 Westernmost Capital Cities in Europe | 0 | - | 4.88 | 91,521 |
| 10 Northernmost Capital Cities in Europe | 0 | - | 4.96 | 83,899 |
| European Coastal Capitals | 0 | - | 4.95 | 90,035 |
| 10 Easternmost Capital Cities in Asia | 0 | - | 4.89 | 52,310 |
| Capitals of Oceania Quiz | 0 | - | 4.99 | 267,924 |
| Europe by Capitals and Borders in 30 Seconds | 0 | - | 4.88 | 222,575 |
| Capitals of Mediterranean Countries | 0 | - | 4.95 | 81,540 |
| World Capitals Quiz | 0 | - | 5.00 | 5,046,013 |
| South America Capitals Quiz | 0 | - | 5.00 | 478,748 |
| Random European Flag to Country | 0 | - | 4.89 | 181,407 |
| Random African Flag to Country | 0 | - | 4.88 | 74,441 |
| North America Capitals Quiz | 0 | - | 4.99 | 217,936 |
| African Capitals - Map Quiz | 0 | - | 4.93 | 61,910 |
| Top 10 Most Remote European Capitals | 0 | - | 4.86 | 93,645 |
| European Capitals - Map Quiz | 0 | - | 4.97 | 118,498 |
| Middle East Capital Cities Quiz | 0 | - | 4.96 | 87,432 |
| European Capitals Furthest from the Sea | 0 | - | 4.92 | 81,876 |
| Asian Capitals - Map Quiz | 0 | - | 4.95 | 60,751 |
| European Capitals Ending in N | 0 | - | 4.92 | 80,946 |
| Top 50 Countries by Population - In Order | 0 | - | 4.98 | 326,283 |
| Europe Capitals Quiz | 0 | - | 5.00 | 1,576,109 |
| Countries that Start with C - Shape Quiz | 0 | - | 4.89 | 98,947 |
| Countries that Start with I - Shape Quiz | 0 | - | 4.86 | 113,697 |
| Countries that Start with A - Shape Quiz | 0 | - | 4.92 | 34,027 |
| Countries that Start with N - Shape Quiz | 0 | - | 4.94 | 82,482 |
| Flags of Countries that Border Germany | 0 | - | 4.86 | 96,577 |
| Flags of Countries that Border China | 0 | - | 4.94 | 98,775 |
| Flags of Countries That Border France | 0 | - | 4.89 | 122,414 |
| U.S. State Flags | 0 | - | 4.89 | 168,432 |
| Capitals of Canadian Provinces | 0 | - | 4.85 | 88,657 |
| Name a Valid European Capital | 0 | - | 4.95 | 151,482 |
| European Capital Superlatives - Top 2 | 0 | - | 4.94 | 80,862 |
| Random Asian Countries on a Map | 0 | - | 4.90 | 169,196 |
| Random African Countries on a Map | 0 | - | 4.99 | 294,482 |
| Random American Countries on a Map | 0 | - | 4.96 | 98,938 |
| Random European Countries on a Map | 0 | - | 4.97 | 282,511 |
| Biggest Countries by Population | 0 | - | 5.00 | 1,438,847 |
| Smallest Countries by Population and Area | 0 | - | 4.99 | 378,578 |
| Countries More Populous Than Their Neighbors | 0 | - | 4.99 | 172,074 |
| Countries with Megacities | 0 | - | 4.99 | 248,550 |
| Countries With More than 50 Million People | 0 | - | 4.99 | 197,956 |
| Countries with the Most Population Growth by Decade | 0 | - | 4.98 | 112,443 |
| Countries With More than 200 Million People | 0 | - | 4.96 | 136,330 |
| Countries Less Populous Than Their Neighbors | 0 | - | 4.96 | 80,389 |
| Flags to Largest Cities | 0 | - | 4.54 | 51,010 |
| Global Cities on a World Map | 0 | - | 4.93 | 135,328 |
| Northernmost Capital Cities | 0 | - | 4.98 | 109,451 |
| Most Remote Capital Cities | 0 | - | 4.92 | 52,972 |
| Capital Cities: Ports and Saints | 0 | - | 4.96 | 44,945 |
| Capitals with the Shortest Names | 0 | - | 4.97 | 108,154 |
| Same Letter Country and Capital | 0 | - | 4.99 | 156,006 |
| Countries by Capital City | 0 | - | 5.00 | 67,280 |
| Capital Cities Based on First Two Letters | 0 | - | 4.85 | 76,631 |
| Capitals of the Largest Countries by Area | 0 | - | 4.97 | 114,166 |
| World Capitals by Proximity | 0 | - | 4.91 | 329,433 |
| South American Capitals - Map Quiz | 0 | - | 4.98 | 129,807 |
| Divided Capital Name Puzzle #1 | 0 | - | 4.99 | 83,617 |
| Most Guessed European Capitals | 0 | - | 4.87 | 101,319 |
| Moved Capital Cities | 0 | - | 4.96 | 73,816 |
| Countries by Sports League Revenue | 0 | - | 4.95 | 76,054 |
| Countries that Start with B - Shape Quiz | 0 | - | 4.90 | 26,791 |
| Country Flag-Shape Picture Quiz #1 | 0 | - | 4.94 | 94,361 |
| Country Flag-Shape Picture Quiz #2 | 0 | - | 4.89 | 72,463 |
| Country Flag-Shape Picture Quiz #4 | 0 | - | 4.96 | 71,433 |
| Country Flag-Shape Picture Quiz #6 | 0 | - | 4.98 | 69,373 |
| Country Flag-Shape Picture Quiz #5 | 0 | - | 4.97 | 61,498 |
| Country Flag-Shape Picture Quiz #7 | 0 | - | 4.96 | 58,589 |
| Europe Flags Map Quiz | 0 | - | 4.97 | 157,223 |
| Fill the World Map by Country Flags | 0 | - | 4.99 | 83,213 |
| World Capitals Closest to Bangkok | 0 | - | 4.91 | 40,879 |
| Random African Capitals on a Map | 0 | - | 4.96 | 54,417 |
| Random Asian Capitals on a Map | 0 | - | 4.83 | 50,764 |
| Random European Capitals on a Map | 0 | - | 4.97 | 134,147 |
| US State Capitals Quiz - No Hints | 0 | - | 4.98 | 94,773 |
| 10 Westernmost U.S. State Capitals | 0 | - | 4.90 | 47,970 |
| Shapes of Mediterranean Sea Countries | 0 | - | 4.80 | 55,689 |
| Random Sequential African Countries on a Map | 0 | - | 5.00 | 127,064 |
| Random Sequential Asian Countries on a Map | 0 | - | 4.99 | 118,528 |
| Random Sequential European Countries on a Map | 0 | - | 4.99 | 216,530 |
| Five Most Densely Populated Countries by Continent | 0 | - | 4.95 | 86,219 |
| Five Most Populated Countries by Continent | 0 | - | 4.99 | 266,732 |
| Most Populous Countries with Exceptions | 0 | - | 4.98 | 121,233 |
| Top 10 Most Densely-Populated Countries in Europe | 0 | - | 4.98 | 111,997 |
| Five Least Densely Populated Countries by Continent | 0 | - | 4.92 | 93,024 |
| Countries by Population Range - Tile Select | 0 | - | 4.87 | 58,574 |
| North American Sports Cities | 0 | - | 4.83 | 171,285 |
| Summer Olympic City Bids | 0 | - | 4.93 | 42,013 |
| Cities with the Most Metro Rail Stations | 0 | - | 4.89 | 101,980 |
| Cities by Former Name | 0 | - | 4.84 | 91,198 |
| Capitals in their Native Languages | 0 | - | 4.95 | 133,177 |
| Nearest Capital City #1 | 0 | - | 4.83 | 57,396 |
| Capitals Furthest from the Border | 0 | - | 4.96 | 68,377 |
| World Capitals by Map | 0 | - | 5.00 | 284,507 |
| Capital Cities in a Ring of the World Map | 0 | - | 4.95 | 57,907 |
| Random Capital to Country | 0 | - | 4.99 | 2,582,836 |
| Random Country to Capital | 0 | - | 4.98 | 914,199 |
| Capitals Starting With H | 0 | - | 4.90 | 91,644 |
| Capitals Starting With K | 0 | - | 4.85 | 75,889 |
| Capitals Starting With L | 0 | - | 4.81 | 87,072 |
| Capitals Starting With M | 0 | - | 4.93 | 106,469 |
| Capitals Starting With P | 0 | - | 4.88 | 77,391 |
| Capitals Starting With R | 0 | - | 4.87 | 81,158 |
| Capitals Starting With S | 0 | - | 4.89 | 85,019 |
| Capitals Starting With T | 0 | - | 4.84 | 75,483 |
| Capitals Starting With W | 0 | - | 4.89 | 90,797 |
| Capitals Starting With A | 0 | - | 4.97 | 126,832 |
| Capitals Starting With B | 0 | - | 4.89 | 117,542 |
| Capitals Starting With D | 0 | - | 4.93 | 95,625 |
| U.S. State Capitals Map Quiz | 0 | - | 4.93 | 142,988 |
| Countries That Use the Euro | 0 | - | 4.95 | 103,719 |
| Olympic Host Countries | 0 | - | 4.98 | 199,372 |
| Landlocked Countries in Africa | 0 | - | 4.99 | 46,164 |
| 10 Easternmost Countries in Europe | 0 | - | 4.89 | 114,153 |
| Ten Highest Ranking FIFA Countries by Year | 0 | - | 4.95 | 305,429 |
| The Only European Country ... | 0 | - | 4.91 | 214,859 |
| Mediterranean Countries Quiz | 0 | - | 4.99 | 210,871 |
| European Countries NOT in NATO | 0 | - | 4.87 | 60,145 |
| Countries with Territorial Claims in Antarctica | 0 | - | 4.94 | 92,417 |
| Eastern Africa Map Quiz | 0 | - | 4.98 | 78,424 |
| Countries of Africa | 0 | - | 5.00 | 2,517,885 |
| Africa Flags Map Quiz | 0 | - | 4.95 | 36,116 |
| Countries of Europe by Population | 0 | - | 4.98 | 179,002 |
| Most Populous Countries by Year | 0 | - | 4.83 | 109,685 |
| Most Populated Countries Bordering the Pacific Ocean | 0 | - | 4.97 | 95,296 |
| Most Populous Countries Bordering Each Other | 0 | - | 4.97 | 129,752 |
| Countries with the Most People Bordering Them | 0 | - | 4.98 | 107,278 |
| Populous Countries Bordering Smaller Countries | 0 | - | 4.97 | 112,670 |
| Densest Countries Bordering Each Other | 0 | - | 4.93 | 89,845 |
| Most Populous World Capitals | 0 | - | 4.94 | 174,868 |
| Most Populous Countries in 2050 | 0 | - | 4.91 | 221,874 |
| First Countries to Reach 5 Million People | 0 | - | 4.92 | 134,603 |
| Most Populous Modern-Day Countries in 1000 AD | 0 | - | 4.87 | 75,484 |
| Most Populous Modern-Day Countries in 1 AD | 0 | - | 4.97 | 83,846 |
| Most Populous Modern-Day Countries in 1800 AD | 0 | - | 4.93 | 66,731 |
| Most Populous Modern-Day Countries in 1500 AD | 0 | - | 4.93 | 72,977 |
| Most Populous Modern-Day Countries by Century | 0 | - | 4.98 | 96,470 |
| U.S. Cities with the Most Skyscrapers | 0 | - | 4.89 | 95,412 |
| 15 Largest Cities in Africa With a Map | 0 | - | 4.95 | 109,964 |
| Most Guessed Cities by Country #3 | 0 | - | 4.89 | 45,469 |
| Summer Olympics Host Cities | 0 | - | 4.98 | 213,738 |
| Most-Visited Cities in Europe | 0 | - | 4.82 | 74,322 |
| Cities with the Biggest Economies | 0 | - | 4.91 | 130,004 |
| Five Most Guessed Cities by Continent | 0 | - | 4.96 | 112,500 |
| Former Capitals | 0 | - | 4.88 | 71,244 |
| Capital Cities Chain | 0 | - | 4.84 | 82,162 |
| Coldest World Capitals | 0 | - | 4.95 | 133,181 |
| Capital Cities with Spanish Names | 0 | - | 4.90 | 77,056 |
| Random Countries and Capitals without Vowels | 0 | - | 4.61 | 21,241 |
| Name a Valid Capital #1 | 0 | - | 4.96 | 90,270 |
| Random State Capital to U.S. State | 0 | - | 4.83 | 88,534 |
| Countries of Europe - One Minute Sprint | 0 | - | 4.94 | 1,322,631 |
| Top 10 Languages Spoken in Europe | 0 | - | 4.96 | 217,146 |
| Countries of the Middle East | 0 | - | 4.96 | 199,666 |
| Countries with Territory in the Balkans | 0 | - | 4.96 | 88,625 |
| Slavic Countries | 0 | - | 4.96 | 111,152 |
| African Island Countries | 0 | - | 4.96 | 101,071 |
| Straight Shot to Antarctica | 0 | - | 4.94 | 42,636 |
| Countries of Europe in 1650 with a Map | 0 | - | 4.95 | 68,148 |
| All Countries Never To Qualify For A FIFA World Cup | 0 | - | 4.83 | 45,509 |
| Countries with the Highest Population Density | 0 | - | 4.95 | 164,438 |
| Countries with the Lowest Population Density | 0 | - | 4.98 | 169,482 |
| Countries of North America Quiz | 0 | - | 5.00 | 1,016,050 |
| Countries of Asia with Two or More Words | 0 | - | 4.96 | 126,169 |
| Asian Countries Ending in "IA" | 0 | - | 4.96 | 106,877 |
| African Countries with the Shortest Names | 0 | - | 4.98 | 152,605 |
| Five Top Olympic Medal-Winning Countries by Continent | 0 | - | 4.96 | 143,110 |
| Top 10 Biggest African Countries by Area | 0 | - | 4.99 | 216,084 |
| 10 Biggest European Countries by Area | 0 | - | 4.99 | 192,041 |
| 10 Biggest Asian Countries by Area | 0 | - | 4.97 | 153,125 |
| 10 Biggest American Countries by Area | 0 | - | 4.95 | 112,343 |
| Top 10 Most Populous American Countries | 0 | - | 4.97 | 143,449 |
| 10 Westernmost Countries in Europe | 0 | - | 4.96 | 150,623 |
| 10 Southernmost Countries in Africa | 0 | - | 4.98 | 115,826 |
| 10 Northernmost Countries in Africa | 0 | - | 4.98 | 160,599 |
| 10 Southernmost Countries in Asia | 0 | - | 4.97 | 98,666 |
| 10 Easternmost Countries in Asia | 0 | - | 4.99 | 107,520 |
| Top 10 Smallest African Countries by Area | 0 | - | 4.96 | 32,762 |
| South America Flags Map Quiz | 0 | - | 4.95 | 87,062 |
| U.S. States that Start with M - Shape Quiz | 0 | - | 4.94 | 57,826 |
