| Countries by Sports League Revenue | 0 | - | 4.95 | 78,302 |
| Olympic Host Countries | 0 | - | 4.98 | 201,761 |
| Ten Highest Ranking FIFA Countries by Year | 0 | - | 4.95 | 313,089 |
| All Countries Never To Qualify For A FIFA World Cup | 0 | - | 4.83 | 52,824 |
| Five Top Olympic Medal-Winning Countries by Continent | 0 | - | 4.96 | 145,045 |
| Top 50 Countries by Population - In Order | 0 | - | 4.98 | 334,667 |
| Countries More Populous Than Their Neighbors | 0 | - | 4.99 | 174,893 |
| Countries with Megacities | 0 | - | 4.99 | 266,595 |
| Countries With More than 50 Million People | 0 | - | 4.99 | 200,594 |
| Countries with the Most Population Growth by Decade | 0 | - | 4.98 | 113,973 |
| Countries With More than 200 Million People | 0 | - | 4.95 | 138,898 |
| Countries Less Populous Than Their Neighbors | 0 | - | 4.96 | 82,076 |
| Countries with the Most Downhill Skiing | 0 | - | 4.89 | 57,667 |
| Biggest Countries by Population | 0 | - | 5.00 | 1,452,725 |
| Smallest Countries by Population and Area | 0 | - | 4.99 | 382,122 |
| Countries with Most Grand Slam Tennis Titles | 0 | - | 4.42 | 58,013 |
| Countries with Major League Baseball Players | 0 | - | 4.62 | 68,302 |
| Countries with the Fastest Marathoners | 0 | - | 4.51 | 95,919 |
| Countries with the Most Golf Courses | 0 | - | 4.55 | 56,742 |
| Countries Where Baseball is the Most Popular Sport | 0 | - | 4.42 | 55,499 |
| Countries that Export the Most Football Players | 0 | - | 4.43 | 59,200 |
| Countries with the Fastest 100 Meter Sprinters | 0 | - | 4.44 | 86,572 |
| Five Most Densely Populated Countries by Continent | 0 | - | 4.96 | 87,247 |
| Five Most Populated Countries by Continent | 0 | - | 4.99 | 268,845 |
| Most Populous Countries with Exceptions | 0 | - | 4.98 | 122,555 |
| Top 10 Most Densely-Populated Countries in Europe | 0 | - | 4.98 | 112,830 |
| Five Least Densely Populated Countries by Continent | 0 | - | 4.90 | 94,117 |
| North American Sports Cities | 0 | - | 4.83 | 173,034 |
| Summer Olympic City Bids | 0 | - | 4.94 | 42,526 |
| Countries That Use the Euro | 0 | - | 4.95 | 106,503 |
| Landlocked Countries in Africa | 0 | - | 4.99 | 47,712 |
| 10 Easternmost Countries in Europe | 0 | - | 4.87 | 116,882 |
| The Only European Country ... | 0 | - | 4.91 | 218,615 |
| Mediterranean Countries Quiz | 0 | - | 4.99 | 213,651 |
| European Countries NOT in NATO | 0 | - | 4.91 | 62,315 |
| Countries with Territorial Claims in Antarctica | 0 | - | 4.94 | 92,876 |
| Countries of Africa | 0 | - | 5.00 | 2,555,679 |
| Countries With The Most NHL Hockey Players | 0 | - | 4.48 | 101,146 |
| Countries With the Most NBA Players | 0 | - | 4.47 | 118,695 |
| Top 10 Countries with the Most Registered Soccer Players | 0 | - | 4.13 | 72,400 |
| Countries with the Most Summer Olympics Medals | 0 | - | 4.55 | 93,448 |
| Boundary Waters | 0 | - | 4.92 | 88,720 |
| Countries Along the Afro-Eurasia Coast | 0 | - | 4.87 | 35,374 |
| The Same Suffixes - Geography | 0 | - | 4.98 | 96,597 |
| Countries of Europe by Population | 0 | - | 4.98 | 182,620 |
| Most Populous Countries by Year | 0 | - | 4.83 | 111,291 |
| Most Populated Countries Bordering the Pacific Ocean | 0 | - | 4.97 | 95,866 |
| Most Populous Countries Bordering Each Other | 0 | - | 4.97 | 131,212 |
| Countries with the Most People Bordering Them | 0 | - | 4.98 | 108,564 |
| Most Populous Countries in 2050 | 0 | - | 4.91 | 223,676 |
| First Countries to Reach 5 Million People | 0 | - | 4.93 | 135,810 |
| Most Populous Modern-Day Countries in 1000 AD | 0 | - | 4.88 | 76,467 |
| Most Populous Modern-Day Countries in 1 AD | 0 | - | 4.98 | 93,129 |
| Most Populous Modern-Day Countries in 1800 AD | 0 | - | 4.93 | 67,476 |
| Most Populous Modern-Day Countries in 1500 AD | 0 | - | 4.93 | 73,816 |
| Summer Olympics Host Cities | 0 | - | 4.98 | 216,253 |
| Top 10 Languages Spoken in Europe | 0 | - | 4.96 | 220,463 |
| Countries of the Middle East | 0 | - | 4.96 | 202,410 |
| Countries with Territory in the Balkans | 0 | - | 4.96 | 90,048 |
| Slavic Countries | 0 | - | 4.96 | 112,265 |
| African Island Countries | 0 | - | 4.96 | 102,338 |
| Countries with the Highest Population Density | 0 | - | 4.95 | 165,542 |
| Countries with the Lowest Population Density | 0 | - | 4.98 | 170,790 |
| Countries of Asia with Two or More Words | 0 | - | 4.96 | 127,675 |
| Asian Countries Ending in "IA" | 0 | - | 4.96 | 108,209 |
| African Countries with the Shortest Names | 0 | - | 4.98 | 154,450 |
| Top 10 Biggest African Countries by Area | 0 | - | 4.99 | 218,193 |
| 10 Biggest European Countries by Area | 0 | - | 4.99 | 193,380 |
| 10 Biggest Asian Countries by Area | 0 | - | 4.97 | 154,439 |
| 10 Biggest American Countries by Area | 0 | - | 4.95 | 112,907 |
| Top 10 Most Populous American Countries | 0 | - | 4.96 | 144,698 |
| 10 Westernmost Countries in Europe | 0 | - | 4.96 | 151,923 |
| 10 Southernmost Countries in Africa | 0 | - | 4.98 | 117,372 |
| 10 Northernmost Countries in Africa | 0 | - | 4.98 | 162,165 |
| 10 Southernmost Countries in Asia | 0 | - | 4.97 | 99,799 |
| 10 Easternmost Countries in Asia | 0 | - | 4.99 | 109,057 |
| Top 10 Smallest African Countries by Area | 0 | - | 4.96 | 34,033 |
| Countries of Europe - One Minute Sprint | 0 | - | 4.94 | 1,334,492 |
| Countries of North America Quiz | 0 | - | 5.00 | 1,029,980 |
| Countries by Population Decrease | 0 | - | 4.46 | 49,959 |
| Countries Gaining the Most Population by 2070 | 0 | - | 4.63 | 64,444 |
| Five Most Inland Capital Cities by Continent | 0 | - | 4.92 | 13,607 |
| 10 Easternmost Countries in Africa | 0 | - | 4.97 | 24,913 |
| All-Time Winter Olympics Medal Table | 0 | - | 4.46 | 178,526 |
| Athletes by Country Quiz #1 | 0 | - | 4.36 | 45,437 |
| Top 10 Most Populous European Countries | 0 | - | 4.97 | 234,167 |
| Top 10 Most Populous Asian Countries | 0 | - | 4.97 | 184,864 |
| Top 10 Most Populous African Countries | 0 | - | 4.99 | 194,525 |
| Top 10 Most Densely-Populated Countries in Asia | 0 | - | 4.92 | 104,766 |
| Top 10 Asian Countries by Population Increase | 0 | - | 4.93 | 108,786 |
| Flags of Countries With More Than 100 Million People | 0 | - | 4.98 | 159,909 |
| Most Populous Countries in 1900 | 0 | - | 4.91 | 174,179 |
| Countries by Capitals and Borders in 90 Seconds | 0 | - | 4.83 | 227,739 |
| Countries of the World Quiz | 0 | - | 5.00 | 47,805,252 |
| Landlocked Countries | 0 | - | 4.99 | 424,796 |
| Countries Formerly in Yugoslavia | 0 | - | 4.95 | 125,397 |
| Asian Countries with the Shortest Names | 0 | - | 4.97 | 136,001 |
| American Countries with the Shortest Names | 0 | - | 4.96 | 121,578 |
| Mediterranean Countries with an Empty Map | 0 | - | 4.99 | 105,436 |
| Monarchies of Europe | 0 | - | 4.90 | 98,751 |
| Monarchies of Asia | 0 | - | 4.97 | 71,443 |
| Asian Country Superlatives | 0 | - | 4.84 | 81,230 |
| "Stan" Countries - Map Quiz | 0 | - | 4.98 | 137,243 |
| Countries that Start with A | 0 | - | 4.98 | 2,173,533 |
| Countries that Start with B | 0 | - | 4.95 | 2,304,501 |
| Countries that Start with C | 0 | - | 4.96 | 1,829,907 |
| Countries that Start with D | 0 | - | 4.96 | 715,323 |
| Countries that Start with E | 0 | - | 4.95 | 1,383,791 |
| Countries that Start with G | 0 | - | 4.97 | 1,510,158 |
| Countries that Start with H | 0 | - | 4.96 | 608,805 |
| Countries that Start with I | 0 | - | 4.92 | 1,293,566 |
| Countries that Start with J | 0 | - | 4.98 | 606,213 |
| Countries that Start with K | 0 | - | 4.97 | 819,976 |
| Countries that Start with L | 0 | - | 4.98 | 1,095,804 |
| Countries that Start with N | 0 | - | 4.93 | 1,122,840 |
| Countries that Start with P | 0 | - | 4.94 | 1,221,095 |
| Countries that Start with S | 0 | - | 4.98 | 1,761,801 |
| Countries that Start with T | 0 | - | 4.90 | 1,014,124 |
| Countries that Start with U | 0 | - | 4.97 | 907,890 |
| Countries that Start with V | 0 | - | 4.98 | 611,564 |
| Countries that Start with F | 0 | - | 4.83 | 620,707 |
| Countries that Start with M | 0 | - | 4.97 | 1,387,204 |
| The Only African Country ... | 0 | - | 4.99 | 129,575 |
| The Only American Country ... | 0 | - | 4.92 | 122,126 |
| African Countries by a Single Clue | 0 | - | 4.92 | 68,344 |
| African Diaspora - Top 10 Countries | 0 | - | 4.93 | 73,233 |
| European Diaspora - Top 11 Countries | 0 | - | 4.90 | 96,391 |
| 10 European Countries with the Most Tourists | 0 | - | 4.98 | 138,348 |
| 10 Asian Countries with the Most Tourists | 0 | - | 4.89 | 106,710 |
| European Countries with One Border | 0 | - | 4.97 | 183,607 |
| European Countries with the Fewest Borders | 0 | - | 4.97 | 180,376 |
| Countries Closest to Africa | 0 | - | 4.96 | 157,720 |
| Boxing Countries | 0 | - | 4.27 | 31,471 |
| World Geography on a Map #1 | 0 | - | 4.94 | 73,877 |
| Countries Losing the Most Population by 2070 | 0 | - | 4.40 | 84,717 |
| Countries With More Than 100 Million People | 0 | - | 4.99 | 166,847 |
| Top 15 Most Populous Countries Ending in "IA" | 0 | - | 4.77 | 116,066 |
| Five Most Populated Countries by Hemisphere | 0 | - | 4.97 | 124,873 |
| Biggest Countries by Population - Shape Quiz | 0 | - | 4.91 | 57,748 |
| Big 4 Sports Championship Cities | 0 | - | 4.43 | 120,772 |
| World Capitals Quiz | 0 | - | 5.00 | 5,100,666 |
| Sahara Desert Countries | 0 | - | 4.98 | 165,762 |
| Himalayan Countries | 0 | - | 4.93 | 139,866 |
| Andean Countries | 0 | - | 4.94 | 85,229 |
| Countries with the Youngest Median Age | 0 | - | 4.97 | 64,407 |
| Countries in the Southern Hemisphere | 0 | - | 4.99 | 126,729 |
| Coffee Producing Countries | 0 | - | 4.83 | 67,972 |
| Countries with Shrinking Populations | 0 | - | 4.94 | 66,275 |
| Danube Countries | 0 | - | 4.97 | 72,293 |
| Countries With an "Ish" Demonym | 0 | - | 4.98 | 117,445 |
| Countries With an "Ese" Demonym | 0 | - | 4.97 | 86,736 |
| Countries with the Worst Passports | 0 | - | 4.93 | 84,910 |
| Countries with the Most Immigrants | 0 | - | 4.90 | 150,409 |
| European Landlocked Countries | 0 | - | 4.99 | 147,488 |
| Partially Recognized Countries | 0 | - | 4.98 | 107,138 |
| Countries with the Most Species | 0 | - | 4.99 | 103,506 |
| Countries 197 to 205 | 0 | - | 4.90 | 71,278 |
| Tropic of Cancer Countries | 0 | - | 4.97 | 53,721 |
| Tropic of Capricorn Countries | 0 | - | 4.96 | 47,833 |
| UK Immigration by Country | 0 | - | 4.94 | 141,565 |
| Countries that Use the Peso | 0 | - | 4.89 | 59,769 |
| Countries with the Largest Exclusive Economic Zone | 0 | - | 4.90 | 73,504 |
| Countries with a AAA Credit Rating | 0 | - | 4.86 | 57,928 |
| Countries in the Alps | 0 | - | 4.87 | 118,640 |
| Top Five Importing Partners by Country | 0 | - | 4.97 | 102,402 |
| Countries, Capitals, Currencies and Official Languages | 0 | - | 5.00 | 107,663 |
| Biggest Import Partners By Country | 0 | - | 4.99 | 78,894 |
| Southernmost Countries by Continent | 0 | - | 4.98 | 96,922 |
| Northernmost Countries by Continent | 0 | - | 4.98 | 116,846 |
| Countries by Population Growth, 1970–Present | 0 | - | 4.92 | 96,158 |
| Five Biggest Countries by Latitude | 0 | - | 4.97 | 101,288 |
| Five Biggest Countries by Longitude | 0 | - | 4.91 | 53,792 |
| Largest Country by Body of Water | 0 | - | 4.96 | 58,359 |
| Countries with the Most Container Port Traffic | 0 | - | 4.92 | 63,092 |
| Central American Countries | 0 | - | 4.98 | 157,202 |
| Caribbean Countries and Territories | 0 | - | 4.81 | 113,389 |
| Bridge and Tunnel Borders | 0 | - | 4.96 | 53,805 |
| Countries with the Longest Road Networks Quiz | 0 | - | 4.91 | 41,674 |
| Total United States Immigration by Country | 0 | - | 4.91 | 112,258 |
| Countries that Touch the Prime Meridian or Equator | 0 | - | 4.88 | 104,471 |
| Biggest Spanish Empire Countries | 0 | - | 4.91 | 116,707 |
| American Countries on the Pacific Coast | 0 | - | 4.80 | 49,364 |
| Arctic Ocean Countries | 0 | - | 4.95 | 79,708 |
| Countries with the Most Grassland | 0 | - | 4.94 | 77,798 |
| All Countries by Area : Four at a Time | 0 | - | 5.00 | 119,580 |
| Countries with the Most Climate Zones | 0 | - | 4.96 | 68,538 |
| Countries that Host the Most Refugees | 0 | - | 4.96 | 65,617 |
| Asian Countries with the Most Christians | 0 | - | 4.86 | 97,852 |
| African Countries with the Most Christians | 0 | - | 4.94 | 76,016 |
| Countries of the World by Similar Area in 90 Seconds | 0 | - | 4.95 | 46,526 |
| All Countries of the World by Area with Hints | 0 | - | 4.97 | 245,309 |
| World Countries - Blind Typing | 0 | - | 5.00 | 108,912 |
| Countries in Their Own Alphabet | 0 | - | 4.95 | 48,454 |
| Largest Countries By Category | 0 | - | 4.97 | 158,708 |
| Top 10 Biggest Economies in Europe | 0 | - | 4.98 | 200,494 |
| Top 10 Biggest Economies in Africa | 0 | - | 4.99 | 121,218 |
| Top 10 Biggest Economies in Asia | 0 | - | 4.87 | 136,897 |
| Top 10 Biggest Economies in the Americas | 0 | - | 4.94 | 92,745 |
| Countries in Southeast Asia With an Empty Map | 0 | - | 4.97 | 101,968 |
| Countries with the Most Ascents of Mount Everest | 0 | - | 4.95 | 58,528 |