| Flags of the Countries that Start with C | 0 | - | 4.89 | 130,699 |
| Flags of the Countries that Start with I | 0 | - | 4.94 | 154,652 |
| Flags of the Countries that Start with B | 0 | - | 4.97 | 43,593 |
| Flags of the Countries that Start with A | 0 | - | 4.94 | 127,924 |
| Countries that Start with C - Shape Quiz | 0 | - | 4.89 | 99,763 |
| Countries that Start with I - Shape Quiz | 0 | - | 4.86 | 114,664 |
| Countries that Start with A - Shape Quiz | 0 | - | 4.93 | 35,132 |
| Countries that Start with N - Shape Quiz | 0 | - | 4.94 | 83,214 |
| Countries that Start with B - Shape Quiz | 0 | - | 4.89 | 27,800 |
| Top 50 Countries by Population - In Order | 0 | - | 4.98 | 335,700 |
| Biggest Countries by Population | 0 | - | 5.00 | 1,454,562 |
| Smallest Countries by Population and Area | 0 | - | 4.99 | 382,607 |
| Countries More Populous Than Their Neighbors | 0 | - | 4.99 | 175,247 |
| Countries with Megacities | 0 | - | 4.99 | 267,300 |
| Countries With More than 50 Million People | 0 | - | 4.99 | 200,925 |
| Countries with the Most Population Growth by Decade | 0 | - | 4.98 | 114,184 |
| Countries With More than 200 Million People | 0 | - | 4.95 | 139,249 |
| Countries Less Populous Than Their Neighbors | 0 | - | 4.96 | 82,299 |
| Five Most Densely Populated Countries by Continent | 0 | - | 4.96 | 87,357 |
| Five Most Populated Countries by Continent | 0 | - | 4.99 | 269,251 |
| Most Populous Countries with Exceptions | 0 | - | 4.98 | 122,706 |
| Top 10 Most Densely-Populated Countries in Europe | 0 | - | 4.98 | 112,923 |
| Five Least Densely Populated Countries by Continent | 0 | - | 4.90 | 94,249 |
| Countries of Europe by Population | 0 | - | 4.98 | 183,229 |
| Most Populous Countries by Year | 0 | - | 4.83 | 111,455 |
| Most Populated Countries Bordering the Pacific Ocean | 0 | - | 4.97 | 95,928 |
| Most Populous Countries Bordering Each Other | 0 | - | 4.97 | 131,399 |
| Countries with the Most People Bordering Them | 0 | - | 4.98 | 108,713 |
| Populous Countries Bordering Smaller Countries | 0 | - | 4.97 | 113,781 |
| Densest Countries Bordering Each Other | 0 | - | 4.93 | 90,913 |
| Most Populous Countries in 2050 | 0 | - | 4.91 | 223,861 |
| First Countries to Reach 5 Million People | 0 | - | 4.93 | 135,922 |
| Most Populous Modern-Day Countries in 1000 AD | 0 | - | 4.88 | 76,557 |
| Most Populous Modern-Day Countries in 1 AD | 0 | - | 4.98 | 93,218 |
| Most Populous Modern-Day Countries in 1800 AD | 0 | - | 4.93 | 67,527 |
| Most Populous Modern-Day Countries in 1500 AD | 0 | - | 4.93 | 73,872 |
| Most Populous Modern-Day Countries by Century | 0 | - | 4.98 | 97,787 |
| Countries that Start with P - Shape Quiz | 0 | - | 4.80 | 82,610 |
| Countries with the Highest Population Density | 0 | - | 4.95 | 165,696 |
| Countries with the Lowest Population Density | 0 | - | 4.98 | 170,969 |
| Top 10 Most Populous European Countries | 0 | - | 4.97 | 234,627 |
| Top 10 Most Populous Asian Countries | 0 | - | 4.97 | 185,196 |
| Top 10 Most Populous African Countries | 0 | - | 4.99 | 194,968 |
| Top 10 Most Densely-Populated Countries in Asia | 0 | - | 4.92 | 104,944 |
| Top 10 Asian Countries by Population Increase | 0 | - | 4.93 | 108,896 |
| Flags of Countries With More Than 100 Million People | 0 | - | 4.98 | 160,006 |
| Most Populous Countries in 1900 | 0 | - | 4.91 | 174,272 |
| Biggest Countries by Population - Shape Quiz | 0 | - | 4.91 | 57,807 |
| Least Dense Countries Bordering Each Other | 0 | - | 4.86 | 23,823 |
| Asian Countries with the Most Christians | 0 | - | 4.86 | 98,016 |
| African Countries with the Most Christians | 0 | - | 4.94 | 76,115 |
| Random European Capital to Country | 0 | - | 4.98 | 192,179 |
| Random European Country to Capital | 0 | - | 4.93 | 165,951 |
| Random Asian Country to Capital | 0 | - | 4.92 | 97,000 |
| Random Asian Capital to Country | 0 | - | 4.97 | 103,469 |
| Random African Capital to Country | 0 | - | 4.97 | 101,373 |
| Random African Country to Capital | 0 | - | 4.95 | 71,772 |
| Countries that Beat Australia | 0 | - | 4.92 | 93,467 |
| Countries With More Than 100 Million People | 0 | - | 4.99 | 167,031 |
| Countries by Population Decrease | 0 | - | 4.46 | 49,988 |
| Five Most Populated Countries by Hemisphere | 0 | - | 4.97 | 125,051 |
| Countries Gaining the Most Population by 2070 | 0 | - | 4.63 | 64,504 |
| Biggest Cities in the World | 0 | - | 4.91 | 805,906 |
| Biggest European Cities by Letter | 0 | - | 4.55 | 127,484 |
| Biggest Trading Partners – Australia | 0 | - | 4.93 | 62,035 |
| Countries that Beat China | 0 | - | 4.85 | 116,773 |
| Flag Coloring Book Puzzle #1 | 0 | - | 4.96 | 172,760 |
| Top 15 Most Populous Countries Ending in "IA" | 0 | - | 4.77 | 116,159 |
| 100 Biggest Cities on a World Map | 0 | - | 4.99 | 420,761 |
| Biggest Cities in the United States | 0 | - | 4.94 | 987,468 |
| Biggest Metro Areas in the USA | 0 | - | 4.98 | 368,132 |
| Countries by Sports League Revenue | 0 | - | 4.94 | 78,591 |
| Neutral European Countries of WWII | 0 | - | 4.92 | 162,381 |
| Random Sequential Countries on the World Map | 0 | - | 5.00 | 526,374 |
| Countries of Africa | 0 | - | 5.00 | 2,561,037 |
| Biggest Trading Partners – United Kingdom | 0 | - | 4.93 | 81,002 |
| Biggest Trading Partners - China | 0 | - | 4.95 | 75,527 |
| Biggest Trading Partners - Germany | 0 | - | 4.97 | 72,036 |
| Biggest Trading Partners - Spain | 0 | - | 4.92 | 54,007 |
| Capitals of the Most Populated Countries | 0 | - | 4.96 | 128,482 |
| Countries Losing the Most Population by 2070 | 0 | - | 4.40 | 84,776 |
| Biggest Spanish-Speaking Cities | 0 | - | 4.91 | 129,634 |
| Biggest Cities by Language | 0 | - | 4.96 | 247,710 |
| Biggest City by Time Zone | 0 | - | 4.88 | 68,974 |
| Biggest City in Every Country | 0 | - | 4.98 | 102,007 |
| Largest City by Island | 0 | - | 4.87 | 72,472 |
| Biggest Cities in Europe in 1700 | 0 | - | 4.93 | 71,441 |
| Most Populous World Capitals | 0 | - | 4.94 | 176,725 |
| Biggest European Cities by Century | 0 | - | 4.99 | 146,171 |
| Biggest Cities by Latitude Range | 0 | - | 4.81 | 32,833 |
| Five Most Populated Cities by Continent | 0 | - | 4.92 | 227,512 |
| Biggest Cities in the World - Extreme | 0 | - | 4.98 | 111,508 |
| Biggest Cities That Aren't World Capitals | 0 | - | 4.94 | 150,136 |
| Megacities on a World Map | 0 | - | 4.98 | 257,053 |
| Biggest Cities with Exceptions | 0 | - | 4.90 | 80,822 |
| Biggest Cities in the Southern Hemisphere | 0 | - | 4.87 | 85,273 |
| All 1M Cities by Proximity | 0 | - | 5.00 | 582,172 |
| 2,000 Biggest World Cities Furthest from a Larger City | 0 | - | 4.98 | 67,785 |
| All 3M Cities on the World Map | 0 | - | 4.95 | 75,716 |
| Ten Biggest Cities by Hemisphere | 0 | - | 4.96 | 80,997 |
| Biggest Cities in Deserts | 0 | - | 4.97 | 60,645 |
| Most Populous Cities as a Percent of Their Continent | 0 | - | 4.92 | 70,747 |
| Ten Southernmost Megacities | 0 | - | 4.84 | 65,236 |
| 100 Biggest Cities in the World with Exceptions | 0 | - | 4.98 | 68,431 |
| Every 1,000,000+ City on a Map | 0 | - | 4.99 | 116,514 |
| Biggest City in Each U.S. State | 0 | - | 4.87 | 169,717 |
| Countries That Use the Euro | 0 | - | 4.95 | 106,894 |
| Modern Countries Conquered by Alexander the Great | 0 | - | 4.89 | 112,725 |
| Countries of the Japanese Empire | 0 | - | 4.96 | 104,623 |
| Olympic Host Countries | 0 | - | 4.98 | 202,022 |
| Countries of Europe - One Minute Sprint | 0 | - | 4.94 | 1,336,002 |
| Countries of the Soviet Union | 0 | - | 4.98 | 195,593 |
| Landlocked Countries in Africa | 0 | - | 4.99 | 48,014 |
| 10 Easternmost Countries in Europe | 0 | - | 4.87 | 117,215 |
| Ten Highest Ranking FIFA Countries by Year | 0 | - | 4.95 | 314,147 |
| Top 10 Languages Spoken in Europe | 0 | - | 4.96 | 220,909 |
| Countries of the Middle East | 0 | - | 4.96 | 203,003 |
| Countries with Territory in the Balkans | 0 | - | 4.96 | 90,222 |
| The Only European Country ... | 0 | - | 4.91 | 219,154 |
| Mediterranean Countries Quiz | 0 | - | 4.99 | 214,025 |
| Slavic Countries | 0 | - | 4.96 | 112,406 |
| African Island Countries | 0 | - | 4.96 | 102,560 |
| European Countries NOT in NATO | 0 | - | 4.91 | 62,586 |
| Countries with Territorial Claims in Antarctica | 0 | - | 4.94 | 92,942 |
| Straight Shot to Antarctica | 0 | - | 4.94 | 43,194 |
| Countries of Europe in 1650 with a Map | 0 | - | 4.95 | 70,513 |
| Countries of Europe After World War II | 0 | - | 4.99 | 189,470 |
| Countries of Europe Before World War I | 0 | - | 4.99 | 157,541 |
| All Countries Never To Qualify For A FIFA World Cup | 0 | - | 4.83 | 53,249 |
| Random Sequential Countries on the World Map - Hard Version | 0 | - | 5.00 | 76,525 |
| Countries of North America Quiz | 0 | - | 5.00 | 1,031,946 |
| Countries of Asia with Two or More Words | 0 | - | 4.96 | 127,860 |
| Asian Countries Ending in "IA" | 0 | - | 4.96 | 108,348 |
| African Countries with the Shortest Names | 0 | - | 4.98 | 154,714 |
| Five Top Olympic Medal-Winning Countries by Continent | 0 | - | 4.96 | 145,202 |
| Top 10 Biggest African Countries by Area | 0 | - | 4.99 | 218,753 |
| 10 Biggest European Countries by Area | 0 | - | 4.99 | 193,594 |
| 10 Biggest Asian Countries by Area | 0 | - | 4.97 | 154,579 |
| 10 Biggest American Countries by Area | 0 | - | 4.95 | 113,012 |
| Top 10 Most Populous American Countries | 0 | - | 4.96 | 144,870 |
| 10 Westernmost Countries in Europe | 0 | - | 4.96 | 152,110 |
| 10 Southernmost Countries in Africa | 0 | - | 4.98 | 117,871 |
| 10 Northernmost Countries in Africa | 0 | - | 4.98 | 162,440 |
| 10 Southernmost Countries in Asia | 0 | - | 4.97 | 99,954 |
| 10 Easternmost Countries in Asia | 0 | - | 4.99 | 109,195 |
| Top 10 Smallest African Countries by Area | 0 | - | 4.96 | 42,276 |
| Category Elimination - U.S. States #1 | 0 | - | 4.88 | 222,511 |
| Category Elimination - U.S. States #2 | 0 | - | 4.82 | 135,653 |
| Most Populous Countries in 1950 | 0 | - | 4.63 | 86,509 |
| Five Most Populated Countries on a Multicolored World Map | 0 | - | 4.98 | 74,584 |
| Biggest US Cities by Decade | 0 | - | 4.95 | 169,015 |
| Biggest Cities in Asia | 0 | - | 4.95 | 118,209 |
| Biggest Cities in Asia - Extreme | 0 | - | 4.92 | 50,445 |
| 100 Biggest Cities in Europe with a Map | 0 | - | 4.97 | 348,876 |
| Megacities on an Empty Map | 0 | - | 4.97 | 119,252 |
| African Cities in the Top 200 Worldwide | 0 | - | 4.95 | 51,532 |
| Countries by Capitals and Borders in 90 Seconds | 0 | - | 4.83 | 227,954 |
| Countries Formerly in Yugoslavia | 0 | - | 4.95 | 125,494 |
| Asian Countries with the Shortest Names | 0 | - | 4.97 | 136,134 |
| American Countries with the Shortest Names | 0 | - | 4.97 | 121,690 |
| Vietnam War Countries | 0 | - | 4.82 | 94,665 |
| Mediterranean Countries with an Empty Map | 0 | - | 4.99 | 105,533 |
| Monarchies of Europe | 0 | - | 4.90 | 98,901 |
| Monarchies of Asia | 0 | - | 4.97 | 71,520 |
| 20 Random Country Flags | 0 | - | 4.99 | 619,261 |
| Countries with the Most Downhill Skiing | 0 | - | 4.89 | 57,718 |
| Asian Country Superlatives | 0 | - | 4.84 | 81,298 |
| "Stan" Countries - Map Quiz | 0 | - | 4.98 | 137,572 |
| Countries that Start with A | 0 | - | 4.98 | 2,176,293 |
| Countries that Start with B | 0 | - | 4.95 | 2,307,009 |
| Countries that Start with C | 0 | - | 4.96 | 1,831,884 |
| Countries that Start with D | 0 | - | 4.96 | 716,727 |
| Countries that Start with E | 0 | - | 4.95 | 1,385,441 |
| Countries that Start with G | 0 | - | 4.97 | 1,511,888 |
| Countries that Start with H | 0 | - | 4.96 | 609,790 |
| Countries that Start with I | 0 | - | 4.92 | 1,294,842 |
| Countries that Start with J | 0 | - | 4.98 | 607,174 |
| Countries that Start with K | 0 | - | 4.97 | 820,971 |
| Countries that Start with L | 0 | - | 4.98 | 1,097,081 |
| Countries that Start with N | 0 | - | 4.93 | 1,124,152 |
| Countries that Start with P | 0 | - | 4.94 | 1,222,303 |
| Countries that Start with S | 0 | - | 4.98 | 1,763,511 |
| Countries that Start with T | 0 | - | 4.90 | 1,015,107 |
| Countries that Start with U | 0 | - | 4.97 | 908,639 |
| Countries that Start with V | 0 | - | 4.98 | 612,133 |
| Countries that Start with F | 0 | - | 4.83 | 621,466 |
| Countries that Start with M | 0 | - | 4.97 | 1,388,554 |
| The Only African Country ... | 0 | - | 4.99 | 129,700 |
| The Only American Country ... | 0 | - | 4.92 | 122,234 |
| African Countries by a Single Clue | 0 | - | 4.92 | 68,397 |
| African Diaspora - Top 10 Countries | 0 | - | 4.93 | 73,415 |
| European Diaspora - Top 11 Countries | 0 | - | 4.88 | 96,858 |
| 10 European Countries with the Most Tourists | 0 | - | 4.98 | 138,563 |
| 10 Asian Countries with the Most Tourists | 0 | - | 4.89 | 106,898 |
| Countries That Border Russia | 0 | - | 4.98 | 464,580 |
| European Countries with One Border | 0 | - | 4.97 | 183,850 |
| European Countries with the Fewest Borders | 0 | - | 4.97 | 180,572 |
| Countries Bordering France | 0 | - | 4.83 | 405,001 |
| Countries Bordering Germany | 0 | - | 4.99 | 371,933 |
| Countries Closest to Africa | 0 | - | 4.96 | 157,877 |
