| Countries by Capitals and Borders in 90 Seconds | 0 | - | 4.83 | 227,137 |
| Africa Flags Map Quiz | 0 | - | 4.95 | 36,633 |
| Five Most Inland Capital Cities by Continent | 0 | - | 4.92 | 13,438 |
| South America Flags Map Quiz | 0 | - | 4.95 | 88,489 |
| Africa Capitals Quiz | 0 | - | 4.99 | 740,977 |
| Asia Capitals Quiz | 0 | - | 4.98 | 695,859 |
| Nordic Countries and Capitals | 0 | - | 4.95 | 83,883 |
| Random European Capital to Country | 0 | - | 4.98 | 191,647 |
| Random European Country to Capital | 0 | - | 4.93 | 165,533 |
| Random Asian Country to Capital | 0 | - | 4.92 | 96,799 |
| Random Asian Capital to Country | 0 | - | 4.97 | 103,148 |
| Random African Capital to Country | 0 | - | 4.97 | 101,027 |
| Random African Country to Capital | 0 | - | 4.94 | 71,500 |
| Capitals of the Most Populated Countries | 0 | - | 4.96 | 128,176 |
| Europe Capital to Country | 0 | - | 4.99 | 251,252 |
| Asia Capital to Country | 0 | - | 4.96 | 127,012 |
| EU Capitals with No Hints | 0 | - | 4.96 | 146,448 |
| European Capitals by Map | 0 | - | 4.99 | 140,836 |
| African Capitals by Map | 0 | - | 4.99 | 139,729 |
| Asian Capitals by Map | 0 | - | 4.98 | 63,256 |
| 10 Westernmost Capital Cities in Europe | 0 | - | 4.88 | 92,480 |
| 10 Northernmost Capital Cities in Europe | 0 | - | 4.96 | 84,843 |
| European Coastal Capitals | 0 | - | 4.95 | 90,960 |
| 10 Easternmost Capital Cities in Asia | 0 | - | 4.89 | 52,961 |
| Capitals of Oceania Quiz | 0 | - | 4.99 | 271,343 |
| Europe by Capitals and Borders in 30 Seconds | 0 | - | 4.88 | 224,923 |
| Capitals of Mediterranean Countries | 0 | - | 4.95 | 81,986 |
| South America Capitals Quiz | 0 | - | 5.00 | 483,258 |
| North America Capitals Quiz | 0 | - | 4.99 | 220,964 |
| African Capitals - Map Quiz | 0 | - | 4.94 | 62,864 |
| Top 10 Most Remote European Capitals | 0 | - | 4.87 | 94,295 |
| European Capitals - Map Quiz | 0 | - | 4.97 | 119,672 |
| Middle East Capital Cities Quiz | 0 | - | 4.96 | 88,136 |
| European Capitals Furthest from the Sea | 0 | - | 4.92 | 82,384 |
| Asian Capitals - Map Quiz | 0 | - | 4.95 | 61,681 |
| European Capitals Ending in N | 0 | - | 4.92 | 81,502 |
| World Capitals Quiz | 0 | - | 5.00 | 5,090,061 |
| Capitals of Canadian Provinces | 0 | - | 4.85 | 89,353 |
| Name a Valid European Capital | 0 | - | 4.95 | 153,024 |
| European Capital Superlatives - Top 2 | 0 | - | 4.95 | 81,373 |
| Top 50 Countries by Population - In Order | 0 | - | 4.98 | 332,575 |
| Europe Capitals Quiz | 0 | - | 5.00 | 1,593,365 |
| South American Capitals - Map Quiz | 0 | - | 4.98 | 130,927 |
| Most Guessed European Capitals | 0 | - | 4.87 | 101,666 |
| Every European Country Shape | 0 | - | 4.96 | 202,405 |
| Every Asian Country Shape | 0 | - | 4.95 | 88,076 |
| Every African Country Shape | 0 | - | 4.90 | 87,859 |
| Biggest Countries by Population | 0 | - | 5.00 | 1,450,004 |
| Smallest Countries by Population and Area | 0 | - | 4.99 | 381,413 |
| World Capitals by Proximity | 0 | - | 4.90 | 332,607 |
| World Capitals Closest to Bangkok | 0 | - | 4.91 | 41,077 |
| Random African Capitals on a Map | 0 | - | 4.96 | 55,041 |
| Random Asian Capitals on a Map | 0 | - | 4.82 | 51,176 |
| Random European Capitals on a Map | 0 | - | 4.97 | 135,093 |
| US State Capitals Quiz - No Hints | 0 | - | 4.98 | 95,386 |
| 10 Westernmost U.S. State Capitals | 0 | - | 4.90 | 48,219 |
| Countries More Populous Than Their Neighbors | 0 | - | 4.99 | 174,228 |
| Countries with Megacities | 0 | - | 4.99 | 265,353 |
| Countries With More than 50 Million People | 0 | - | 4.99 | 200,050 |
| Countries with the Most Population Growth by Decade | 0 | - | 4.98 | 113,649 |
| Countries With More than 200 Million People | 0 | - | 4.95 | 138,298 |
| Countries Less Populous Than Their Neighbors | 0 | - | 4.96 | 81,721 |
| Global Cities on a World Map | 0 | - | 4.93 | 136,779 |
| Northernmost Capital Cities | 0 | - | 4.98 | 110,748 |
| Most Remote Capital Cities | 0 | - | 4.92 | 53,684 |
| Capital Cities: Ports and Saints | 0 | - | 4.96 | 45,860 |
| Capitals with the Shortest Names | 0 | - | 4.97 | 109,727 |
| Same Letter Country and Capital | 0 | - | 4.99 | 157,575 |
| Countries by Capital City | 0 | - | 5.00 | 68,850 |
| Capital Cities Based on First Two Letters | 0 | - | 4.85 | 77,503 |
| Capitals of the Largest Countries by Area | 0 | - | 4.97 | 114,940 |
| Divided Capital Name Puzzle #1 | 0 | - | 4.99 | 84,528 |
| Moved Capital Cities | 0 | - | 4.96 | 74,434 |
| Random Capital to Country | 0 | - | 4.99 | 2,596,463 |
| Random Country to Capital | 0 | - | 4.98 | 924,140 |
| U.S. State Capitals Map Quiz | 0 | - | 4.93 | 145,040 |
| Countries by Sports League Revenue | 0 | - | 4.95 | 77,921 |
| Countries of Africa | 0 | - | 5.00 | 2,548,931 |
| Europe Flag Map - Find the Errors | 0 | - | 4.24 | 61,932 |
| Five Most Densely Populated Countries by Continent | 0 | - | 4.96 | 87,043 |
| Five Most Populated Countries by Continent | 0 | - | 4.99 | 268,446 |
| Most Populous Countries with Exceptions | 0 | - | 4.98 | 122,317 |
| Top 10 Most Densely-Populated Countries in Europe | 0 | - | 4.98 | 112,667 |
| Five Least Densely Populated Countries by Continent | 0 | - | 4.90 | 93,863 |
| North American Sports Cities | 0 | - | 4.83 | 172,789 |
| Summer Olympic City Bids | 0 | - | 4.94 | 42,447 |
| Cities with the Most Metro Rail Stations | 0 | - | 4.89 | 102,690 |
| Cities by Former Name | 0 | - | 4.83 | 91,812 |
| Capitals in their Native Languages | 0 | - | 4.95 | 133,548 |
| Nearest Capital City #1 | 0 | - | 4.83 | 57,830 |
| Capitals Furthest from the Border | 0 | - | 4.96 | 69,525 |
| World Capitals by Map | 0 | - | 5.00 | 288,068 |
| Capital Cities in a Ring of the World Map | 0 | - | 4.95 | 58,598 |
| Capitals Starting With H | 0 | - | 4.91 | 92,835 |
| Capitals Starting With K | 0 | - | 4.88 | 83,883 |
| Capitals Starting With L | 0 | - | 4.81 | 88,353 |
| Capitals Starting With M | 0 | - | 4.93 | 108,251 |
| Capitals Starting With P | 0 | - | 4.88 | 78,467 |
| Capitals Starting With R | 0 | - | 4.87 | 82,075 |
| Capitals Starting With S | 0 | - | 4.90 | 86,057 |
| Capitals Starting With T | 0 | - | 4.85 | 76,399 |
| Capitals Starting With W | 0 | - | 4.87 | 91,453 |
| Capitals Starting With A | 0 | - | 4.97 | 128,428 |
| Capitals Starting With B | 0 | - | 4.89 | 118,844 |
| Capitals Starting With D | 0 | - | 4.93 | 96,736 |
| Random State Capital to U.S. State | 0 | - | 4.85 | 89,366 |
| Countries That Use the Euro | 0 | - | 4.95 | 105,949 |
| Olympic Host Countries | 0 | - | 4.98 | 201,336 |
| Countries of Europe - One Minute Sprint | 0 | - | 4.94 | 1,332,145 |
| Landlocked Countries in Africa | 0 | - | 4.99 | 47,415 |
| 10 Easternmost Countries in Europe | 0 | - | 4.89 | 116,341 |
| Ten Highest Ranking FIFA Countries by Year | 0 | - | 4.95 | 311,626 |
| The Only European Country ... | 0 | - | 4.91 | 217,870 |
| Mediterranean Countries Quiz | 0 | - | 4.99 | 213,108 |
| European Countries NOT in NATO | 0 | - | 4.90 | 61,896 |
| Countries with Territorial Claims in Antarctica | 0 | - | 4.94 | 92,792 |
| Random Asian Countries on a Map | 0 | - | 4.91 | 170,534 |
| Random African Countries on a Map | 0 | - | 4.99 | 297,090 |
| Random European Countries on a Map | 0 | - | 4.97 | 284,485 |
| Countries of North America Quiz | 0 | - | 5.00 | 1,027,284 |
| U.S. States that Start with M - Shape Quiz | 0 | - | 4.94 | 58,296 |
| Single Vowel Capitals | 0 | - | 4.82 | 14,610 |
| Countries of Europe by Population | 0 | - | 4.98 | 181,941 |
| Most Populous Countries by Year | 0 | - | 4.83 | 111,011 |
| Top 10 Most Populous European Countries | 0 | - | 4.97 | 233,669 |
| Top 10 Most Populous Asian Countries | 0 | - | 4.97 | 184,494 |
| Top 10 Most Populous African Countries | 0 | - | 4.99 | 194,109 |
| Top 10 Most Densely-Populated Countries in Asia | 0 | - | 4.92 | 104,521 |
| Top 10 Asian Countries by Population Increase | 0 | - | 4.93 | 108,661 |
| Flags of Countries With More Than 100 Million People | 0 | - | 4.97 | 159,634 |
| Most Populated Countries Bordering the Pacific Ocean | 0 | - | 4.97 | 95,759 |
| Most Populous Countries Bordering Each Other | 0 | - | 4.97 | 130,885 |
| Countries with the Most People Bordering Them | 0 | - | 4.98 | 108,293 |
| Populous Countries Bordering Smaller Countries | 0 | - | 4.97 | 113,449 |
| Densest Countries Bordering Each Other | 0 | - | 4.93 | 90,581 |
| Most Populous World Capitals | 0 | - | 4.94 | 176,356 |
| Most Populous Countries in 2050 | 0 | - | 4.91 | 223,415 |
| First Countries to Reach 5 Million People | 0 | - | 4.93 | 135,607 |
| Most Populous Modern-Day Countries in 1000 AD | 0 | - | 4.88 | 76,358 |
| Most Populous Modern-Day Countries in 1 AD | 0 | - | 4.98 | 93,003 |
| Most Populous Modern-Day Countries in 1800 AD | 0 | - | 4.93 | 67,388 |
| Most Populous Modern-Day Countries in 1500 AD | 0 | - | 4.93 | 73,693 |
| Most Populous Modern-Day Countries by Century | 0 | - | 4.98 | 97,506 |
| Most Populous Countries in 1900 | 0 | - | 4.91 | 173,996 |
| Official Cities in the UK | 0 | - | 4.89 | 284,972 |
| U.S. Cities with the Most Skyscrapers | 0 | - | 4.89 | 95,658 |
| 15 Largest Cities in Africa With a Map | 0 | - | 4.96 | 111,108 |
| Most Guessed Cities by Country #3 | 0 | - | 4.89 | 46,552 |
| Summer Olympics Host Cities | 0 | - | 4.98 | 215,762 |
| Most-Visited Cities in Europe | 0 | - | 4.83 | 75,607 |
| Cities with the Biggest Economies | 0 | - | 4.91 | 131,375 |
| Divided World City Name Puzzle #1 | 0 | - | 4.84 | 49,066 |
| Five Most Guessed Cities by Continent | 0 | - | 4.96 | 113,292 |
| U.S. Cities With Spanish Names | 0 | - | 4.94 | 23,522 |
| Former Capitals | 0 | - | 4.88 | 71,563 |
| Capitals A-Z #1 | 0 | - | 4.86 | 51,659 |
| Capital Cities Chain | 0 | - | 4.84 | 83,072 |
| Coldest World Capitals | 0 | - | 4.95 | 133,997 |
| Capital Cities by Body of Water | 0 | - | 4.85 | 57,766 |
| Most Guessed Capitals on JetPunk | 0 | - | 4.87 | 126,927 |
| Capitals of Countries with the Biggest Economies | 0 | - | 4.93 | 95,303 |
| Capital Cities with Spanish Names | 0 | - | 4.90 | 77,868 |
| Flags to Capitals #1 | 0 | - | 4.96 | 58,687 |
| Flags to Capitals #2 | 0 | - | 4.95 | 44,581 |
| Five Most Guessed Capital Cities by Continent | 0 | - | 4.86 | 94,371 |
| Name a Valid Capital #1 | 0 | - | 4.96 | 91,222 |
| Random U.S. State Capitals on a Map | 0 | - | 4.92 | 104,339 |
| The Only Country ... | 0 | - | 4.91 | 81,541 |
| Countries Formerly in Yugoslavia | 0 | - | 4.95 | 125,227 |
| Top 10 Languages Spoken in Europe | 0 | - | 4.96 | 219,806 |
| Countries of the Middle East | 0 | - | 4.96 | 201,941 |
| Countries with Territory in the Balkans | 0 | - | 4.96 | 89,756 |
| Asian Countries with the Shortest Names | 0 | - | 4.97 | 135,709 |
| American Countries with the Shortest Names | 0 | - | 4.96 | 121,383 |
| Slavic Countries | 0 | - | 4.96 | 112,030 |
| African Island Countries | 0 | - | 4.96 | 102,074 |
| Mediterranean Countries with an Empty Map | 0 | - | 4.99 | 105,294 |
| Monarchies of Europe | 0 | - | 4.90 | 98,482 |
| Monarchies of Asia | 0 | - | 4.97 | 71,310 |
| Straight Shot to Antarctica | 0 | - | 4.94 | 43,014 |
| Countries of Europe in 1650 with a Map | 0 | - | 4.95 | 69,851 |
| Countries with the Most Downhill Skiing | 0 | - | 4.89 | 57,568 |
| All Countries Never To Qualify For A FIFA World Cup | 0 | - | 4.84 | 51,885 |
| Asian Country Superlatives | 0 | - | 4.84 | 81,098 |
| Random Sequential African Countries on a Map | 0 | - | 5.00 | 128,042 |
| Random Sequential Asian Countries on a Map | 0 | - | 4.99 | 119,325 |
| Random Sequential European Countries on a Map | 0 | - | 4.99 | 217,673 |
| Countries with the Highest Population Density | 0 | - | 4.95 | 165,325 |
| Countries with the Lowest Population Density | 0 | - | 4.98 | 170,519 |
| Countries of Asia with Two or More Words | 0 | - | 4.96 | 127,396 |
| Asian Countries Ending in "IA" | 0 | - | 4.96 | 107,945 |
| African Countries with the Shortest Names | 0 | - | 4.98 | 154,113 |
| "Stan" Countries - Map Quiz | 0 | - | 4.98 | 136,759 |
| Countries that Start with A | 0 | - | 4.98 | 2,169,189 |
| Countries that Start with B | 0 | - | 4.95 | 2,300,275 |
| Countries that Start with C | 0 | - | 4.96 | 1,826,775 |
| Countries that Start with D | 0 | - | 4.96 | 713,064 |
| Countries that Start with E | 0 | - | 4.95 | 1,381,165 |
| Countries that Start with G | 0 | - | 4.97 | 1,507,419 |
| Countries that Start with H | 0 | - | 4.96 | 607,170 |
