| Olympic Host Countries | 0 | - | 4.98 | 199,396 |
| Ten Highest Ranking FIFA Countries by Year | 0 | - | 4.95 | 305,546 |
| All Countries Never To Qualify For A FIFA World Cup | 0 | - | 4.83 | 45,539 |
| Five Top Olympic Medal-Winning Countries by Continent | 0 | - | 4.96 | 143,134 |
| Top 50 Countries by Population - In Order | 0 | - | 4.98 | 326,398 |
| Countries More Populous Than Their Neighbors | 0 | - | 4.99 | 172,125 |
| Countries with Megacities | 0 | - | 4.99 | 248,628 |
| Countries With More than 50 Million People | 0 | - | 4.99 | 197,990 |
| Countries with the Most Population Growth by Decade | 0 | - | 4.98 | 112,463 |
| Countries With More than 200 Million People | 0 | - | 4.96 | 136,370 |
| Countries Less Populous Than Their Neighbors | 0 | - | 4.96 | 80,415 |
| Countries with the Most Downhill Skiing | 0 | - | 4.91 | 56,941 |
| Biggest Countries by Population | 0 | - | 5.00 | 1,439,076 |
| Smallest Countries by Population and Area | 0 | - | 4.99 | 378,633 |
| Countries with Most Grand Slam Tennis Titles | 0 | - | 4.42 | 57,642 |
| Countries with Major League Baseball Players | 0 | - | 4.61 | 67,513 |
| Countries with the Fastest Marathoners | 0 | - | 4.51 | 94,860 |
| Countries with the Most Golf Courses | 0 | - | 4.55 | 56,034 |
| Countries Where Baseball is the Most Popular Sport | 0 | - | 4.42 | 55,132 |
| Countries that Export the Most Football Players | 0 | - | 4.43 | 57,297 |
| Countries with the Fastest 100 Meter Sprinters | 0 | - | 4.44 | 85,646 |
| Five Most Densely Populated Countries by Continent | 0 | - | 4.95 | 86,232 |
| Five Most Populated Countries by Continent | 0 | - | 4.99 | 266,764 |
| Most Populous Countries with Exceptions | 0 | - | 4.98 | 121,251 |
| Top 10 Most Densely-Populated Countries in Europe | 0 | - | 4.98 | 112,037 |
| Five Least Densely Populated Countries by Continent | 0 | - | 4.92 | 93,037 |
| North American Sports Cities | 0 | - | 4.83 | 171,306 |
| Summer Olympic City Bids | 0 | - | 4.93 | 42,020 |
| Countries That Use the Euro | 0 | - | 4.95 | 103,760 |
| Landlocked Countries in Africa | 0 | - | 4.99 | 46,182 |
| 10 Easternmost Countries in Europe | 0 | - | 4.89 | 114,184 |
| The Only European Country ... | 0 | - | 4.91 | 214,901 |
| Mediterranean Countries Quiz | 0 | - | 4.99 | 210,912 |
| European Countries NOT in NATO | 0 | - | 4.90 | 60,183 |
| Countries with Territorial Claims in Antarctica | 0 | - | 4.94 | 92,425 |
| Countries of Africa | 0 | - | 5.00 | 2,518,453 |
| Countries With The Most NHL Hockey Players | 0 | - | 4.48 | 99,273 |
| Countries With the Most NBA Players | 0 | - | 4.47 | 116,898 |
| Top 10 Countries with the Most Registered Soccer Players | 0 | - | 4.14 | 71,211 |
| Countries with the Most Summer Olympics Medals | 0 | - | 4.55 | 92,897 |
| Boundary Waters | 0 | - | 4.92 | 88,186 |
| Countries Along the Afro-Eurasia Coast | 0 | - | 4.85 | 34,931 |
| The Same Suffixes - Geography | 0 | - | 4.98 | 95,582 |
| Countries of Europe by Population | 0 | - | 4.98 | 179,050 |
| Most Populous Countries by Year | 0 | - | 4.83 | 109,701 |
| Most Populated Countries Bordering the Pacific Ocean | 0 | - | 4.97 | 95,304 |
| Most Populous Countries Bordering Each Other | 0 | - | 4.97 | 129,777 |
| Countries with the Most People Bordering Them | 0 | - | 4.98 | 107,291 |
| Most Populous Countries in 2050 | 0 | - | 4.91 | 221,893 |
| First Countries to Reach 5 Million People | 0 | - | 4.92 | 134,618 |
| Most Populous Modern-Day Countries in 1000 AD | 0 | - | 4.87 | 75,492 |
| Most Populous Modern-Day Countries in 1 AD | 0 | - | 4.97 | 83,854 |
| Most Populous Modern-Day Countries in 1800 AD | 0 | - | 4.92 | 66,736 |
| Most Populous Modern-Day Countries in 1500 AD | 0 | - | 4.93 | 72,984 |
| Summer Olympics Host Cities | 0 | - | 4.98 | 213,772 |
| Top 10 Languages Spoken in Europe | 0 | - | 4.96 | 217,197 |
| Countries of the Middle East | 0 | - | 4.96 | 199,705 |
| Countries with Territory in the Balkans | 0 | - | 4.96 | 88,645 |
| Slavic Countries | 0 | - | 4.96 | 111,177 |
| African Island Countries | 0 | - | 4.96 | 101,093 |
| Straight Shot to Antarctica | 0 | - | 4.94 | 42,640 |
| Countries with the Highest Population Density | 0 | - | 4.95 | 164,451 |
| Countries with the Lowest Population Density | 0 | - | 4.98 | 169,500 |
| Countries of Asia with Two or More Words | 0 | - | 4.96 | 126,205 |
| Asian Countries Ending in "IA" | 0 | - | 4.96 | 106,898 |
| African Countries with the Shortest Names | 0 | - | 4.98 | 152,644 |
| Top 10 Biggest African Countries by Area | 0 | - | 4.99 | 216,108 |
| 10 Biggest European Countries by Area | 0 | - | 4.99 | 192,060 |
| 10 Biggest Asian Countries by Area | 0 | - | 4.97 | 153,151 |
| 10 Biggest American Countries by Area | 0 | - | 4.95 | 112,361 |
| Top 10 Most Populous American Countries | 0 | - | 4.97 | 143,461 |
| 10 Westernmost Countries in Europe | 0 | - | 4.96 | 150,637 |
| 10 Southernmost Countries in Africa | 0 | - | 4.98 | 115,836 |
| 10 Northernmost Countries in Africa | 0 | - | 4.98 | 160,607 |
| 10 Southernmost Countries in Asia | 0 | - | 4.97 | 98,682 |
| 10 Easternmost Countries in Asia | 0 | - | 4.99 | 107,535 |
| Top 10 Smallest African Countries by Area | 0 | - | 4.96 | 32,774 |
| Countries of Europe - One Minute Sprint | 0 | - | 4.94 | 1,322,842 |
| Countries of North America Quiz | 0 | - | 5.00 | 1,016,278 |
| Countries by Population Decrease | 0 | - | 4.46 | 49,682 |
| Countries Gaining the Most Population by 2070 | 0 | - | 4.63 | 63,987 |
| All-Time Winter Olympics Medal Table | 0 | - | 4.46 | 177,900 |
| Athletes by Country Quiz #1 | 0 | - | 4.36 | 45,315 |
| Top 10 Most Populous European Countries | 0 | - | 4.97 | 231,614 |
| Top 10 Most Populous Asian Countries | 0 | - | 4.96 | 182,505 |
| Top 10 Most Populous African Countries | 0 | - | 4.99 | 192,376 |
| Top 10 Most Densely-Populated Countries in Asia | 0 | - | 4.92 | 103,288 |
| Top 10 Asian Countries by Population Increase | 0 | - | 4.93 | 107,982 |
| Flags of Countries With More Than 100 Million People | 0 | - | 4.97 | 158,740 |
| Most Populous Countries in 1900 | 0 | - | 4.91 | 172,858 |
| Countries by Capitals and Borders in 90 Seconds | 0 | - | 4.84 | 225,711 |
| Countries of the World Quiz | 0 | - | 5.00 | 47,116,568 |
| Landlocked Countries | 0 | - | 4.99 | 416,031 |
| Countries Formerly in Yugoslavia | 0 | - | 4.95 | 124,474 |
| Asian Countries with the Shortest Names | 0 | - | 4.97 | 134,715 |
| American Countries with the Shortest Names | 0 | - | 4.96 | 120,677 |
| Mediterranean Countries with an Empty Map | 0 | - | 4.99 | 104,692 |
| Monarchies of Europe | 0 | - | 4.90 | 97,636 |
| Monarchies of Asia | 0 | - | 4.97 | 70,786 |
| Asian Country Superlatives | 0 | - | 4.83 | 80,589 |
| "Stan" Countries - Map Quiz | 0 | - | 4.98 | 134,506 |
| Countries that Start with A | 0 | - | 4.98 | 2,152,566 |
| Countries that Start with B | 0 | - | 4.95 | 2,284,931 |
| Countries that Start with C | 0 | - | 4.96 | 1,814,384 |
| Countries that Start with D | 0 | - | 4.96 | 704,343 |
| Countries that Start with E | 0 | - | 4.95 | 1,370,841 |
| Countries that Start with G | 0 | - | 4.97 | 1,496,372 |
| Countries that Start with H | 0 | - | 4.96 | 600,277 |
| Countries that Start with I | 0 | - | 4.92 | 1,283,005 |
| Countries that Start with J | 0 | - | 4.98 | 598,297 |
| Countries that Start with K | 0 | - | 4.97 | 811,529 |
| Countries that Start with L | 0 | - | 4.98 | 1,085,521 |
| Countries that Start with N | 0 | - | 4.93 | 1,112,473 |
| Countries that Start with P | 0 | - | 4.94 | 1,211,172 |
| Countries that Start with S | 0 | - | 4.98 | 1,748,091 |
| Countries that Start with T | 0 | - | 4.90 | 1,006,156 |
| Countries that Start with U | 0 | - | 4.97 | 901,513 |
| Countries that Start with V | 0 | - | 4.98 | 606,500 |
| Countries that Start with F | 0 | - | 4.83 | 614,092 |
| Countries that Start with M | 0 | - | 4.97 | 1,376,221 |
| The Only African Country ... | 0 | - | 4.98 | 128,658 |
| The Only American Country ... | 0 | - | 4.92 | 121,113 |
| African Countries by a Single Clue | 0 | - | 4.92 | 67,895 |
| African Diaspora - Top 10 Countries | 0 | - | 4.92 | 72,421 |
| European Diaspora - Top 11 Countries | 0 | - | 4.90 | 95,290 |
| 10 European Countries with the Most Tourists | 0 | - | 4.98 | 136,826 |
| 10 Asian Countries with the Most Tourists | 0 | - | 4.89 | 105,427 |
| European Countries with One Border | 0 | - | 4.97 | 182,039 |
| European Countries with the Fewest Borders | 0 | - | 4.97 | 178,903 |
| Countries Closest to Africa | 0 | - | 4.96 | 156,667 |
| Boxing Countries | 0 | - | 4.26 | 31,266 |
| World Geography on a Map #1 | 0 | - | 4.94 | 73,321 |
| Countries Losing the Most Population by 2070 | 0 | - | 4.40 | 84,291 |
| Countries With More Than 100 Million People | 0 | - | 4.99 | 165,203 |
| Top 15 Most Populous Countries Ending in "IA" | 0 | - | 4.77 | 115,139 |
| Five Most Populated Countries by Hemisphere | 0 | - | 4.96 | 123,461 |
| Biggest Countries by Population - Shape Quiz | 0 | - | 4.91 | 57,135 |
| Big 4 Sports Championship Cities | 0 | - | 4.43 | 119,611 |
| World Capitals Quiz | 0 | - | 5.00 | 5,046,856 |
| Sahara Desert Countries | 0 | - | 4.98 | 161,630 |
| Himalayan Countries | 0 | - | 4.95 | 136,243 |
| Andean Countries | 0 | - | 4.95 | 83,326 |
| Countries with the Youngest Median Age | 0 | - | 4.97 | 62,605 |
| Countries in the Southern Hemisphere | 0 | - | 4.99 | 123,817 |
| Coffee Producing Countries | 0 | - | 4.83 | 66,305 |
| Countries with Shrinking Populations | 0 | - | 4.94 | 64,925 |
| Danube Countries | 0 | - | 4.97 | 71,334 |
| Countries With an "Ish" Demonym | 0 | - | 4.97 | 116,116 |
| Countries With an "Ese" Demonym | 0 | - | 4.97 | 85,790 |
| Countries with the Worst Passports | 0 | - | 4.94 | 83,022 |
| Countries with the Most Immigrants | 0 | - | 4.90 | 147,974 |
| European Landlocked Countries | 0 | - | 4.99 | 146,052 |
| Partially Recognized Countries | 0 | - | 4.98 | 105,660 |
| Countries with the Most Species | 0 | - | 4.99 | 97,656 |
| Countries 197 to 205 | 0 | - | 4.89 | 69,806 |
| Tropic of Cancer Countries | 0 | - | 4.97 | 53,299 |
| Tropic of Capricorn Countries | 0 | - | 4.96 | 47,477 |
| UK Immigration by Country | 0 | - | 4.94 | 140,033 |
| Countries that Use the Peso | 0 | - | 4.88 | 59,114 |
| Countries with the Largest Exclusive Economic Zone | 0 | - | 4.90 | 72,761 |
| Countries with a AAA Credit Rating | 0 | - | 4.85 | 57,133 |
| Countries in the Alps | 0 | - | 4.86 | 117,253 |
| Top Five Importing Partners by Country | 0 | - | 4.97 | 94,841 |
| Countries, Capitals, Currencies and Official Languages | 0 | - | 5.00 | 105,755 |
| Biggest Import Partners By Country | 0 | - | 4.99 | 78,212 |
| Southernmost Countries by Continent | 0 | - | 4.98 | 95,666 |
| Northernmost Countries by Continent | 0 | - | 4.98 | 115,554 |
| Countries by Population Growth, 1970–Present | 0 | - | 4.91 | 95,204 |
| Five Biggest Countries by Latitude | 0 | - | 4.97 | 99,911 |
| Five Biggest Countries by Longitude | 0 | - | 4.91 | 52,952 |
| Largest Country by Body of Water | 0 | - | 4.96 | 57,753 |
| Countries with the Most Container Port Traffic | 0 | - | 4.92 | 62,284 |
| Central American Countries | 0 | - | 4.98 | 155,436 |
| Bridge and Tunnel Borders | 0 | - | 4.96 | 53,323 |
| Countries with the Longest Road Networks Quiz | 0 | - | 4.90 | 41,182 |
| Total United States Immigration by Country | 0 | - | 4.91 | 110,953 |
| Countries that Touch the Prime Meridian or Equator | 0 | - | 4.88 | 103,676 |
| Biggest Spanish Empire Countries | 0 | - | 4.91 | 115,356 |
| American Countries on the Pacific Coast | 0 | - | 4.80 | 49,127 |
| Arctic Ocean Countries | 0 | - | 4.95 | 78,938 |
| Countries with the Most Grassland | 0 | - | 4.93 | 76,944 |
| All Countries by Area : Four at a Time | 0 | - | 5.00 | 117,609 |
| Countries with the Most Climate Zones | 0 | - | 4.96 | 67,852 |
| Countries that Host the Most Refugees | 0 | - | 4.95 | 59,387 |
| Asian Countries with the Most Christians | 0 | - | 4.85 | 96,624 |
| African Countries with the Most Christians | 0 | - | 4.94 | 75,111 |
| Countries of the World by Similar Area in 90 Seconds | 0 | - | 4.95 | 45,132 |
| All Countries of the World by Area with Hints | 0 | - | 4.97 | 240,681 |
| World Countries - Blind Typing | 0 | - | 5.00 | 106,424 |
| Countries in Their Own Alphabet | 0 | - | 4.95 | 47,780 |
| Largest Countries By Category | 0 | - | 4.97 | 157,177 |
| "Do Not Travel" Countries for U.S. Citizens | 0 | - | 4.97 | 242,025 |
| Countries by Countries | 0 | - | 4.96 | 62,530 |
| Top 10 Biggest Economies in Europe | 0 | - | 4.98 | 197,942 |
| Top 10 Biggest Economies in Africa | 0 | - | 4.99 | 119,696 |
| Top 10 Biggest Economies in Asia | 0 | - | 4.87 | 118,721 |
| Top 10 Biggest Economies in the Americas | 0 | - | 4.93 | 91,387 |
| Countries in Southeast Asia With an Empty Map | 0 | - | 4.97 | 101,043 |
| Countries with the Most Ascents of Mount Everest | 0 | - | 4.95 | 57,938 |
| Countries with the Most Arabic Speakers | 0 | - | 4.92 | 79,700 |
