| Countries by Sports League Revenue | 0 | - | 4.94 | 75,521 |
| Olympic Host Countries | 0 | - | 4.98 | 198,854 |
| Ten Highest Ranking FIFA Countries by Year | 0 | - | 4.94 | 303,351 |
| All Countries Never To Qualify For A FIFA World Cup | 0 | - | 4.84 | 44,972 |
| Five Top Olympic Medal-Winning Countries by Continent | 0 | - | 4.96 | 142,758 |
| Top 50 Countries by Population - In Order | 0 | - | 4.98 | 323,602 |
| Countries More Populous Than Their Neighbors | 0 | - | 4.99 | 171,061 |
| Countries with Megacities | 0 | - | 4.99 | 246,644 |
| Countries With More than 50 Million People | 0 | - | 4.99 | 196,987 |
| Countries with the Most Population Growth by Decade | 0 | - | 4.98 | 111,847 |
| Countries With More than 200 Million People | 0 | - | 4.96 | 135,414 |
| Countries Less Populous Than Their Neighbors | 0 | - | 4.96 | 79,783 |
| Countries with the Most Downhill Skiing | 0 | - | 4.90 | 56,815 |
| Biggest Countries by Population | 0 | - | 5.00 | 1,434,673 |
| Smallest Countries by Population and Area | 0 | - | 4.99 | 377,528 |
| Countries with Most Grand Slam Tennis Titles | 0 | - | 4.41 | 57,563 |
| Countries with Major League Baseball Players | 0 | - | 4.61 | 67,256 |
| Countries with the Fastest Marathoners | 0 | - | 4.51 | 94,632 |
| Countries with the Most Golf Courses | 0 | - | 4.55 | 55,786 |
| Countries Where Baseball is the Most Popular Sport | 0 | - | 4.42 | 55,034 |
| Countries that Export the Most Football Players | 0 | - | 4.43 | 56,953 |
| Countries with the Fastest 100 Meter Sprinters | 0 | - | 4.44 | 85,406 |
| Five Most Densely Populated Countries by Continent | 0 | - | 4.95 | 85,796 |
| Five Most Populated Countries by Continent | 0 | - | 4.99 | 265,860 |
| Most Populous Countries with Exceptions | 0 | - | 4.98 | 120,841 |
| Top 10 Most Densely-Populated Countries in Europe | 0 | - | 4.98 | 111,455 |
| Five Least Densely Populated Countries by Continent | 0 | - | 4.92 | 92,561 |
| North American Sports Cities | 0 | - | 4.83 | 170,864 |
| Summer Olympic City Bids | 0 | - | 4.93 | 41,908 |
| Countries That Use the Euro | 0 | - | 4.96 | 102,920 |
| Landlocked Countries in Africa | 0 | - | 4.99 | 45,794 |
| 10 Easternmost Countries in Europe | 0 | - | 4.89 | 113,496 |
| The Only European Country ... | 0 | - | 4.91 | 213,753 |
| Mediterranean Countries Quiz | 0 | - | 4.99 | 210,071 |
| European Countries NOT in NATO | 0 | - | 4.87 | 59,478 |
| Countries with Territorial Claims in Antarctica | 0 | - | 4.94 | 92,189 |
| Countries of Africa | 0 | - | 5.00 | 2,506,997 |
| Countries With The Most NHL Hockey Players | 0 | - | 4.48 | 98,724 |
| Countries With the Most NBA Players | 0 | - | 4.47 | 116,338 |
| Top 10 Countries with the Most Registered Soccer Players | 0 | - | 4.14 | 70,892 |
| Countries with the Most Summer Olympics Medals | 0 | - | 4.55 | 92,730 |
| Boundary Waters | 0 | - | 4.92 | 88,028 |
| Countries Along the Afro-Eurasia Coast | 0 | - | 4.85 | 34,804 |
| The Same Suffixes - Geography | 0 | - | 4.98 | 95,248 |
| Countries of Europe by Population | 0 | - | 4.98 | 177,979 |
| Most Populous Countries by Year | 0 | - | 4.83 | 109,177 |
| Most Populated Countries Bordering the Pacific Ocean | 0 | - | 4.96 | 95,125 |
| Most Populous Countries Bordering Each Other | 0 | - | 4.97 | 129,280 |
| Countries with the Most People Bordering Them | 0 | - | 4.98 | 106,884 |
| Most Populous Countries in 2050 | 0 | - | 4.91 | 221,425 |
| First Countries to Reach 5 Million People | 0 | - | 4.92 | 134,261 |
| Most Populous Modern-Day Countries in 1000 AD | 0 | - | 4.87 | 75,241 |
| Most Populous Modern-Day Countries in 1 AD | 0 | - | 4.97 | 83,583 |
| Most Populous Modern-Day Countries in 1800 AD | 0 | - | 4.93 | 66,544 |
| Most Populous Modern-Day Countries in 1500 AD | 0 | - | 4.93 | 72,781 |
| Summer Olympics Host Cities | 0 | - | 4.98 | 213,072 |
| Top 10 Languages Spoken in Europe | 0 | - | 4.96 | 216,262 |
| Countries of the Middle East | 0 | - | 4.96 | 198,859 |
| Countries with Territory in the Balkans | 0 | - | 4.96 | 88,225 |
| Slavic Countries | 0 | - | 4.96 | 110,830 |
| African Island Countries | 0 | - | 4.96 | 100,762 |
| Countries with the Highest Population Density | 0 | - | 4.94 | 164,086 |
| Countries with the Lowest Population Density | 0 | - | 4.98 | 169,057 |
| Countries of Asia with Two or More Words | 0 | - | 4.96 | 125,681 |
| Asian Countries Ending in "IA" | 0 | - | 4.96 | 106,460 |
| African Countries with the Shortest Names | 0 | - | 4.98 | 152,058 |
| Top 10 Biggest African Countries by Area | 0 | - | 4.99 | 215,587 |
| 10 Biggest European Countries by Area | 0 | - | 4.99 | 191,684 |
| 10 Biggest Asian Countries by Area | 0 | - | 4.97 | 152,737 |
| 10 Biggest American Countries by Area | 0 | - | 4.95 | 112,141 |
| Top 10 Most Populous American Countries | 0 | - | 4.97 | 143,146 |
| 10 Westernmost Countries in Europe | 0 | - | 4.96 | 150,264 |
| 10 Southernmost Countries in Africa | 0 | - | 4.98 | 115,545 |
| 10 Northernmost Countries in Africa | 0 | - | 4.98 | 160,238 |
| 10 Southernmost Countries in Asia | 0 | - | 4.97 | 98,379 |
| 10 Easternmost Countries in Asia | 0 | - | 4.99 | 107,213 |
| Top 10 Smallest African Countries by Area | 0 | - | 4.96 | 32,490 |
| Countries of Europe - One Minute Sprint | 0 | - | 4.94 | 1,319,513 |
| Countries of North America Quiz | 0 | - | 5.00 | 1,011,374 |
| Countries by Population Decrease | 0 | - | 4.45 | 49,605 |
| Countries Gaining the Most Population by 2070 | 0 | - | 4.63 | 63,840 |
| All-Time Winter Olympics Medal Table | 0 | - | 4.46 | 177,738 |
| Athletes by Country Quiz #1 | 0 | - | 4.36 | 45,275 |
| Top 10 Most Populous European Countries | 0 | - | 4.98 | 230,877 |
| Top 10 Most Populous Asian Countries | 0 | - | 4.96 | 181,951 |
| Top 10 Most Populous African Countries | 0 | - | 4.99 | 191,810 |
| Top 10 Most Densely-Populated Countries in Asia | 0 | - | 4.92 | 102,963 |
| Top 10 Asian Countries by Population Increase | 0 | - | 4.93 | 107,815 |
| Flags of Countries With More Than 100 Million People | 0 | - | 4.97 | 158,362 |
| Most Populous Countries in 1900 | 0 | - | 4.91 | 172,570 |
| Countries by Capitals and Borders in 90 Seconds | 0 | - | 4.84 | 225,253 |
| Countries of the World Quiz | 0 | - | 5.00 | 46,901,697 |
| Landlocked Countries | 0 | - | 4.99 | 413,389 |
| Countries Formerly in Yugoslavia | 0 | - | 4.95 | 124,171 |
| Asian Countries with the Shortest Names | 0 | - | 4.97 | 134,332 |
| American Countries with the Shortest Names | 0 | - | 4.96 | 120,316 |
| Mediterranean Countries with an Empty Map | 0 | - | 4.99 | 104,348 |
| Monarchies of Europe | 0 | - | 4.90 | 97,292 |
| Monarchies of Asia | 0 | - | 4.97 | 70,589 |
| Asian Country Superlatives | 0 | - | 4.84 | 80,425 |
| "Stan" Countries - Map Quiz | 0 | - | 4.98 | 133,718 |
| Countries that Start with A | 0 | - | 4.97 | 2,146,301 |
| Countries that Start with B | 0 | - | 4.95 | 2,279,417 |
| Countries that Start with C | 0 | - | 4.96 | 1,809,936 |
| Countries that Start with D | 0 | - | 4.96 | 701,282 |
| Countries that Start with E | 0 | - | 4.95 | 1,367,225 |
| Countries that Start with G | 0 | - | 4.97 | 1,492,469 |
| Countries that Start with H | 0 | - | 4.96 | 597,736 |
| Countries that Start with I | 0 | - | 4.92 | 1,280,043 |
| Countries that Start with J | 0 | - | 4.98 | 595,813 |
| Countries that Start with K | 0 | - | 4.97 | 809,220 |
| Countries that Start with L | 0 | - | 4.98 | 1,082,650 |
| Countries that Start with N | 0 | - | 4.93 | 1,109,513 |
| Countries that Start with P | 0 | - | 4.94 | 1,208,331 |
| Countries that Start with S | 0 | - | 4.98 | 1,744,203 |
| Countries that Start with T | 0 | - | 4.90 | 1,004,041 |
| Countries that Start with U | 0 | - | 4.97 | 899,798 |
| Countries that Start with V | 0 | - | 4.98 | 604,965 |
| Countries that Start with F | 0 | - | 4.83 | 612,023 |
| Countries that Start with M | 0 | - | 4.97 | 1,373,077 |
| The Only African Country ... | 0 | - | 4.99 | 128,340 |
| The Only American Country ... | 0 | - | 4.92 | 120,731 |
| African Countries by a Single Clue | 0 | - | 4.92 | 67,771 |
| African Diaspora - Top 10 Countries | 0 | - | 4.92 | 72,239 |
| European Diaspora - Top 11 Countries | 0 | - | 4.90 | 95,026 |
| 10 European Countries with the Most Tourists | 0 | - | 4.98 | 136,340 |
| 10 Asian Countries with the Most Tourists | 0 | - | 4.89 | 105,004 |
| European Countries with One Border | 0 | - | 4.97 | 181,586 |
| European Countries with the Fewest Borders | 0 | - | 4.97 | 178,496 |
| Countries Closest to Africa | 0 | - | 4.96 | 156,077 |
| Boxing Countries | 0 | - | 4.26 | 31,221 |
| World Geography on a Map #1 | 0 | - | 4.94 | 73,148 |
| Countries Losing the Most Population by 2070 | 0 | - | 4.40 | 84,117 |
| Countries With More Than 100 Million People | 0 | - | 4.99 | 164,577 |
| Top 15 Most Populous Countries Ending in "IA" | 0 | - | 4.74 | 99,432 |
| Five Most Populated Countries by Hemisphere | 0 | - | 4.96 | 122,922 |
| Biggest Countries by Population - Shape Quiz | 0 | - | 4.91 | 56,940 |
| Big 4 Sports Championship Cities | 0 | - | 4.43 | 119,191 |
| World Capitals Quiz | 0 | - | 5.00 | 5,030,094 |
| Sahara Desert Countries | 0 | - | 4.98 | 160,491 |
| Himalayan Countries | 0 | - | 4.95 | 135,274 |
| Andean Countries | 0 | - | 4.94 | 82,784 |
| Countries with the Youngest Median Age | 0 | - | 4.97 | 62,192 |
| Countries in the Southern Hemisphere | 0 | - | 4.99 | 123,140 |
| Coffee Producing Countries | 0 | - | 4.81 | 65,857 |
| Countries with Shrinking Populations | 0 | - | 4.94 | 64,564 |
| Danube Countries | 0 | - | 4.97 | 71,060 |
| Countries With an "Ish" Demonym | 0 | - | 4.98 | 115,728 |
| Countries With an "Ese" Demonym | 0 | - | 4.97 | 85,515 |
| Countries with the Worst Passports | 0 | - | 4.94 | 82,418 |
| Countries with the Most Immigrants | 0 | - | 4.90 | 147,346 |
| European Landlocked Countries | 0 | - | 4.99 | 145,729 |
| Partially Recognized Countries | 0 | - | 4.98 | 105,168 |
| Countries with the Most Species | 0 | - | 4.99 | 95,232 |
| Countries 197 to 205 | 0 | - | 4.87 | 69,308 |
| Tropic of Cancer Countries | 0 | - | 4.97 | 53,192 |
| Tropic of Capricorn Countries | 0 | - | 4.96 | 47,358 |
| UK Immigration by Country | 0 | - | 4.94 | 139,587 |
| Countries that Use the Peso | 0 | - | 4.88 | 58,947 |
| Countries with the Largest Exclusive Economic Zone | 0 | - | 4.89 | 72,561 |
| Countries with a AAA Credit Rating | 0 | - | 4.85 | 56,934 |
| Countries in the Alps | 0 | - | 4.86 | 116,787 |
| Top Five Importing Partners by Country | 0 | - | 4.97 | 94,533 |
| Countries, Capitals, Currencies and Official Languages | 0 | - | 5.00 | 105,214 |
| Biggest Import Partners By Country | 0 | - | 4.99 | 77,991 |
| Southernmost Countries by Continent | 0 | - | 4.98 | 95,402 |
| Northernmost Countries by Continent | 0 | - | 4.98 | 115,130 |
| Countries by Population Growth, 1970–Present | 0 | - | 4.91 | 94,975 |
| Five Biggest Countries by Latitude | 0 | - | 4.97 | 99,548 |
| Five Biggest Countries by Longitude | 0 | - | 4.91 | 52,732 |
| Largest Country by Body of Water | 0 | - | 4.96 | 57,168 |
| Countries with the Most Container Port Traffic | 0 | - | 4.92 | 62,030 |
| Central American Countries | 0 | - | 4.98 | 155,009 |
| Bridge and Tunnel Borders | 0 | - | 4.96 | 53,188 |
| Countries with the Longest Road Networks Quiz | 0 | - | 4.90 | 41,027 |
| Total United States Immigration by Country | 0 | - | 4.91 | 110,634 |
| Countries that Touch the Prime Meridian or Equator | 0 | - | 4.88 | 103,428 |
| Biggest Spanish Empire Countries | 0 | - | 4.91 | 114,765 |
| American Countries on the Pacific Coast | 0 | - | 4.80 | 49,010 |
| Arctic Ocean Countries | 0 | - | 4.95 | 78,721 |
| Countries with the Most Grassland | 0 | - | 4.93 | 76,732 |
| All Countries by Area : Four at a Time | 0 | - | 5.00 | 117,014 |
| Countries with the Most Climate Zones | 0 | - | 4.96 | 67,618 |
| Countries that Host the Most Refugees | 0 | - | 4.95 | 59,242 |
| Asian Countries with the Most Christians | 0 | - | 4.85 | 96,215 |
| African Countries with the Most Christians | 0 | - | 4.94 | 74,850 |
| Countries of the World by Similar Area in 90 Seconds | 0 | - | 4.95 | 44,747 |
| All Countries of the World by Area with Hints | 0 | - | 4.97 | 239,164 |
| World Countries - Blind Typing | 0 | - | 5.00 | 105,590 |
| Countries in Their Own Alphabet | 0 | - | 4.95 | 47,586 |
| Largest Countries By Category | 0 | - | 4.97 | 156,717 |
| "Do Not Travel" Countries for U.S. Citizens | 0 | - | 4.97 | 240,822 |
| Countries by Countries | 0 | - | 4.96 | 62,238 |
| Top 10 Biggest Economies in Europe | 0 | - | 4.98 | 197,211 |
| Top 10 Biggest Economies in Africa | 0 | - | 4.99 | 119,345 |
| Top 10 Biggest Economies in Asia | 0 | - | 4.85 | 113,221 |
| Top 10 Biggest Economies in the Americas | 0 | - | 4.94 | 91,062 |
| Countries in Southeast Asia With an Empty Map | 0 | - | 4.97 | 100,778 |
| Countries with the Most Ascents of Mount Everest | 0 | - | 4.95 | 57,765 |
| Countries with the Most Arabic Speakers | 0 | - | 4.92 | 79,432 |
