| Flags of the Countries that Start with C | 0 | - | 4.89 | 129,265 |
| Flags of the Countries that Start with I | 0 | - | 4.94 | 152,923 |
| Flags of the Countries that Start with B | 0 | - | 4.96 | 41,728 |
| Flags of the Countries that Start with A | 0 | - | 4.94 | 126,595 |
| Countries that Start with C - Shape Quiz | 0 | - | 4.89 | 98,729 |
| Countries that Start with I - Shape Quiz | 0 | - | 4.86 | 113,428 |
| Countries that Start with A - Shape Quiz | 0 | - | 4.92 | 33,732 |
| Countries that Start with N - Shape Quiz | 0 | - | 4.94 | 82,269 |
| Countries that Start with B - Shape Quiz | 0 | - | 4.91 | 26,490 |
| Top 50 Countries by Population - In Order | 0 | - | 4.98 | 323,649 |
| Biggest Countries by Population | 0 | - | 5.00 | 1,434,743 |
| Smallest Countries by Population and Area | 0 | - | 4.99 | 377,547 |
| Countries More Populous Than Their Neighbors | 0 | - | 4.99 | 171,080 |
| Countries with Megacities | 0 | - | 4.99 | 246,691 |
| Countries With More than 50 Million People | 0 | - | 4.99 | 197,013 |
| Countries with the Most Population Growth by Decade | 0 | - | 4.98 | 111,872 |
| Countries With More than 200 Million People | 0 | - | 4.96 | 135,433 |
| Countries Less Populous Than Their Neighbors | 0 | - | 4.96 | 79,792 |
| Five Most Densely Populated Countries by Continent | 0 | - | 4.95 | 85,804 |
| Five Most Populated Countries by Continent | 0 | - | 4.99 | 265,870 |
| Most Populous Countries with Exceptions | 0 | - | 4.98 | 120,853 |
| Top 10 Most Densely-Populated Countries in Europe | 0 | - | 4.98 | 111,461 |
| Five Least Densely Populated Countries by Continent | 0 | - | 4.92 | 92,569 |
| Countries of Europe by Population | 0 | - | 4.98 | 178,002 |
| Most Populous Countries by Year | 0 | - | 4.83 | 109,188 |
| Most Populated Countries Bordering the Pacific Ocean | 0 | - | 4.96 | 95,126 |
| Most Populous Countries Bordering Each Other | 0 | - | 4.97 | 129,297 |
| Countries with the Most People Bordering Them | 0 | - | 4.98 | 106,891 |
| Populous Countries Bordering Smaller Countries | 0 | - | 4.97 | 112,376 |
| Densest Countries Bordering Each Other | 0 | - | 4.93 | 89,560 |
| Most Populous Countries in 2050 | 0 | - | 4.91 | 221,436 |
| First Countries to Reach 5 Million People | 0 | - | 4.92 | 134,263 |
| Most Populous Modern-Day Countries in 1000 AD | 0 | - | 4.87 | 75,244 |
| Most Populous Modern-Day Countries in 1 AD | 0 | - | 4.97 | 83,590 |
| Most Populous Modern-Day Countries in 1800 AD | 0 | - | 4.93 | 66,550 |
| Most Populous Modern-Day Countries in 1500 AD | 0 | - | 4.93 | 72,788 |
| Most Populous Modern-Day Countries by Century | 0 | - | 4.98 | 96,197 |
| Countries that Start with P - Shape Quiz | 0 | - | 4.80 | 81,772 |
| Countries with the Highest Population Density | 0 | - | 4.94 | 164,090 |
| Countries with the Lowest Population Density | 0 | - | 4.98 | 169,068 |
| Top 10 Most Populous European Countries | 0 | - | 4.98 | 230,895 |
| Top 10 Most Populous Asian Countries | 0 | - | 4.96 | 181,956 |
| Top 10 Most Populous African Countries | 0 | - | 4.99 | 191,818 |
| Top 10 Most Densely-Populated Countries in Asia | 0 | - | 4.92 | 102,969 |
| Top 10 Asian Countries by Population Increase | 0 | - | 4.93 | 107,817 |
| Flags of Countries With More Than 100 Million People | 0 | - | 4.97 | 158,367 |
| Most Populous Countries in 1900 | 0 | - | 4.91 | 172,578 |
| Biggest Countries by Population - Shape Quiz | 0 | - | 4.91 | 56,943 |
| Least Dense Countries Bordering Each Other | 0 | - | 4.85 | 22,919 |
| Asian Countries with the Most Christians | 0 | - | 4.85 | 96,224 |
| African Countries with the Most Christians | 0 | - | 4.94 | 74,853 |
| Random European Capital to Country | 0 | - | 4.98 | 189,175 |
| Random European Country to Capital | 0 | - | 4.92 | 147,430 |
| Random Asian Country to Capital | 0 | - | 4.92 | 95,365 |
| Random Asian Capital to Country | 0 | - | 4.97 | 101,380 |
| Random African Capital to Country | 0 | - | 4.97 | 99,721 |
| Random African Country to Capital | 0 | - | 4.94 | 70,227 |
| Countries that Beat Australia | 0 | - | 4.92 | 92,087 |
| Countries With More Than 100 Million People | 0 | - | 4.99 | 164,585 |
| Countries by Population Decrease | 0 | - | 4.45 | 49,606 |
| Five Most Populated Countries by Hemisphere | 0 | - | 4.96 | 122,935 |
| Countries Gaining the Most Population by 2070 | 0 | - | 4.63 | 63,840 |
| Biggest Cities in the World | 0 | - | 4.92 | 790,151 |
| Biggest European Cities by Letter | 0 | - | 4.55 | 126,219 |
| Biggest Trading Partners – Australia | 0 | - | 4.93 | 60,946 |
| Countries that Beat China | 0 | - | 4.86 | 114,689 |
| Top 15 Most Populous Countries Ending in "IA" | 0 | - | 4.74 | 99,436 |
| 100 Biggest Cities on a World Map | 0 | - | 4.99 | 413,536 |
| Biggest Cities in the United States | 0 | - | 4.93 | 966,347 |
| Biggest Metro Areas in the USA | 0 | - | 4.98 | 363,720 |
| Countries by Sports League Revenue | 0 | - | 4.94 | 75,531 |
| Neutral European Countries of WWII | 0 | - | 4.91 | 160,444 |
| Random Sequential Countries on the World Map | 0 | - | 5.00 | 518,180 |
| Countries of Africa | 0 | - | 5.00 | 2,507,143 |
| Biggest Trading Partners – United Kingdom | 0 | - | 4.92 | 79,496 |
| Biggest Trading Partners - China | 0 | - | 4.95 | 74,672 |
| Biggest Trading Partners - Germany | 0 | - | 4.97 | 70,760 |
| Biggest Trading Partners - Spain | 0 | - | 4.91 | 53,503 |
| Capitals of the Most Populated Countries | 0 | - | 4.96 | 127,100 |
| Countries Losing the Most Population by 2070 | 0 | - | 4.40 | 84,119 |
| Biggest Spanish-Speaking Cities | 0 | - | 4.91 | 126,405 |
| Biggest Cities by Language | 0 | - | 4.96 | 230,822 |
| Biggest City by Time Zone | 0 | - | 4.87 | 66,621 |
| Biggest City in Every Country | 0 | - | 4.98 | 98,624 |
| Largest City by Island | 0 | - | 4.87 | 71,019 |
| Biggest Cities in Europe in 1700 | 0 | - | 4.92 | 70,375 |
| Most Populous World Capitals | 0 | - | 4.94 | 174,521 |
| Biggest European Cities by Century | 0 | - | 4.98 | 142,905 |
| Five Most Populated Cities by Continent | 0 | - | 4.93 | 221,837 |
| Biggest Cities in the World - Extreme | 0 | - | 4.98 | 108,823 |
| Biggest Cities That Aren't World Capitals | 0 | - | 4.96 | 129,970 |
| Megacities on a World Map | 0 | - | 4.98 | 250,888 |
| Biggest Cities with Exceptions | 0 | - | 4.90 | 78,464 |
| Biggest Cities in the Southern Hemisphere | 0 | - | 4.87 | 83,498 |
| All 1M Cities by Proximity | 0 | - | 5.00 | 573,133 |
| 2,000 Biggest World Cities Furthest from a Larger City | 0 | - | 4.98 | 66,784 |
| All 3M Cities on the World Map | 0 | - | 4.95 | 73,851 |
| Ten Biggest Cities by Hemisphere | 0 | - | 4.96 | 78,556 |
| Biggest Cities in Deserts | 0 | - | 4.97 | 53,040 |
| Most Populous Cities as a Percent of Their Continent | 0 | - | 4.91 | 69,147 |
| Ten Southernmost Megacities | 0 | - | 4.85 | 56,725 |
| 100 Biggest Cities in the World with Exceptions | 0 | - | 4.97 | 66,661 |
| Every 1,000,000+ City on a Map | 0 | - | 4.99 | 112,687 |
| Biggest City in Each U.S. State | 0 | - | 4.84 | 167,127 |
| Countries That Use the Euro | 0 | - | 4.96 | 102,932 |
| Modern Countries Conquered by Alexander the Great | 0 | - | 4.90 | 105,296 |
| Countries of the Japanese Empire | 0 | - | 4.97 | 103,854 |
| Olympic Host Countries | 0 | - | 4.98 | 198,865 |
| Countries of Europe - One Minute Sprint | 0 | - | 4.94 | 1,319,590 |
| Countries of the Soviet Union | 0 | - | 4.98 | 193,810 |
| Landlocked Countries in Africa | 0 | - | 4.99 | 45,797 |
| 10 Easternmost Countries in Europe | 0 | - | 4.89 | 113,509 |
| Ten Highest Ranking FIFA Countries by Year | 0 | - | 4.94 | 303,379 |
| Top 10 Languages Spoken in Europe | 0 | - | 4.96 | 216,271 |
| Countries of the Middle East | 0 | - | 4.96 | 198,865 |
| Countries with Territory in the Balkans | 0 | - | 4.96 | 88,230 |
| The Only European Country ... | 0 | - | 4.91 | 213,766 |
| Mediterranean Countries Quiz | 0 | - | 4.99 | 210,088 |
| Slavic Countries | 0 | - | 4.96 | 110,832 |
| African Island Countries | 0 | - | 4.96 | 100,766 |
| European Countries NOT in NATO | 0 | - | 4.87 | 59,489 |
| Countries with Territorial Claims in Antarctica | 0 | - | 4.94 | 92,196 |
| Straight Shot to Antarctica | 0 | - | 4.94 | 42,490 |
| Countries of Europe in 1650 with a Map | 0 | - | 4.95 | 67,347 |
| Countries of Europe After World War II | 0 | - | 4.99 | 186,697 |
| Countries of Europe Before World War I | 0 | - | 4.99 | 155,328 |
| All Countries Never To Qualify For A FIFA World Cup | 0 | - | 4.84 | 44,983 |
| Random Sequential Countries on the World Map - Hard Version | 0 | - | 5.00 | 74,641 |
| Countries of North America Quiz | 0 | - | 5.00 | 1,011,420 |
| Countries of Asia with Two or More Words | 0 | - | 4.96 | 125,689 |
| Asian Countries Ending in "IA" | 0 | - | 4.96 | 106,464 |
| African Countries with the Shortest Names | 0 | - | 4.98 | 152,068 |
| Five Top Olympic Medal-Winning Countries by Continent | 0 | - | 4.96 | 142,766 |
| Top 10 Biggest African Countries by Area | 0 | - | 4.99 | 215,594 |
| 10 Biggest European Countries by Area | 0 | - | 4.99 | 191,696 |
| 10 Biggest Asian Countries by Area | 0 | - | 4.97 | 152,741 |
| 10 Biggest American Countries by Area | 0 | - | 4.95 | 112,144 |
| Top 10 Most Populous American Countries | 0 | - | 4.97 | 143,147 |
| 10 Westernmost Countries in Europe | 0 | - | 4.96 | 150,267 |
| 10 Southernmost Countries in Africa | 0 | - | 4.98 | 115,546 |
| 10 Northernmost Countries in Africa | 0 | - | 4.98 | 160,242 |
| 10 Southernmost Countries in Asia | 0 | - | 4.97 | 98,380 |
| 10 Easternmost Countries in Asia | 0 | - | 4.99 | 107,218 |
| Top 10 Smallest African Countries by Area | 0 | - | 4.96 | 32,495 |
| Category Elimination - U.S. States #1 | 0 | - | 4.87 | 218,487 |
| Category Elimination - U.S. States #2 | 0 | - | 4.82 | 132,459 |
| Most Populous Countries in 1950 | 0 | - | 4.63 | 85,720 |
| Five Most Populated Countries on a Multicolored World Map | 0 | - | 4.98 | 73,129 |
| Biggest US Cities by Decade | 0 | - | 4.95 | 166,996 |
| Biggest Cities in Asia | 0 | - | 4.95 | 115,289 |
| Biggest Cities in Asia - Extreme | 0 | - | 4.92 | 49,559 |
| 100 Biggest Cities in Europe with a Map | 0 | - | 4.97 | 341,973 |
| Megacities on an Empty Map | 0 | - | 4.96 | 102,482 |
| African Cities in the Top 200 Worldwide | 0 | - | 4.95 | 50,284 |
| Countries by Capitals and Borders in 90 Seconds | 0 | - | 4.84 | 225,260 |
| Countries Formerly in Yugoslavia | 0 | - | 4.95 | 124,176 |
| Asian Countries with the Shortest Names | 0 | - | 4.97 | 134,336 |
| American Countries with the Shortest Names | 0 | - | 4.96 | 120,321 |
| Vietnam War Countries | 0 | - | 4.83 | 93,590 |
| Mediterranean Countries with an Empty Map | 0 | - | 4.99 | 104,350 |
| Monarchies of Europe | 0 | - | 4.90 | 97,295 |
| Monarchies of Asia | 0 | - | 4.97 | 70,590 |
| 20 Random Country Flags | 0 | - | 4.99 | 604,241 |
| Countries with the Most Downhill Skiing | 0 | - | 4.90 | 56,820 |
| Asian Country Superlatives | 0 | - | 4.84 | 80,427 |
| "Stan" Countries - Map Quiz | 0 | - | 4.98 | 133,726 |
| Countries that Start with A | 0 | - | 4.97 | 2,146,375 |
| Countries that Start with B | 0 | - | 4.95 | 2,279,499 |
| Countries that Start with C | 0 | - | 4.96 | 1,809,996 |
| Countries that Start with D | 0 | - | 4.96 | 701,319 |
| Countries that Start with E | 0 | - | 4.95 | 1,367,280 |
| Countries that Start with G | 0 | - | 4.97 | 1,492,523 |
| Countries that Start with H | 0 | - | 4.96 | 597,777 |
| Countries that Start with I | 0 | - | 4.92 | 1,280,088 |
| Countries that Start with J | 0 | - | 4.98 | 595,852 |
| Countries that Start with K | 0 | - | 4.97 | 809,244 |
| Countries that Start with L | 0 | - | 4.98 | 1,082,679 |
| Countries that Start with N | 0 | - | 4.93 | 1,109,545 |
| Countries that Start with P | 0 | - | 4.94 | 1,208,363 |
| Countries that Start with S | 0 | - | 4.98 | 1,744,256 |
| Countries that Start with T | 0 | - | 4.90 | 1,004,071 |
| Countries that Start with U | 0 | - | 4.97 | 899,816 |
| Countries that Start with V | 0 | - | 4.98 | 604,985 |
| Countries that Start with F | 0 | - | 4.83 | 612,052 |
| Countries that Start with M | 0 | - | 4.97 | 1,373,118 |
| The Only African Country ... | 0 | - | 4.99 | 128,344 |
| The Only American Country ... | 0 | - | 4.92 | 120,734 |
| African Countries by a Single Clue | 0 | - | 4.92 | 67,773 |
| African Diaspora - Top 10 Countries | 0 | - | 4.92 | 72,242 |
| European Diaspora - Top 11 Countries | 0 | - | 4.90 | 95,027 |
| 10 European Countries with the Most Tourists | 0 | - | 4.98 | 136,351 |
| 10 Asian Countries with the Most Tourists | 0 | - | 4.89 | 105,012 |
| Countries That Border Russia | 0 | - | 4.98 | 458,856 |
| European Countries with One Border | 0 | - | 4.97 | 181,592 |
| European Countries with the Fewest Borders | 0 | - | 4.97 | 178,505 |
| Countries Bordering France | 0 | - | 4.83 | 398,797 |
| Countries Bordering Germany | 0 | - | 4.99 | 366,982 |
| Countries Closest to Africa | 0 | - | 4.96 | 156,085 |
| Soviet Union Country Quiz | 0 | - | 4.90 | 80,222 |
| Most Populous Country by First Two Letters | 0 | - | 4.70 | 70,652 |