| Countries by Sports League Revenue | 0 | - | 4.95 | 77,875 |
| Olympic Host Countries | 0 | - | 4.98 | 201,284 |
| Ten Highest Ranking FIFA Countries by Year | 0 | - | 4.95 | 311,399 |
| All Countries Never To Qualify For A FIFA World Cup | 0 | - | 4.83 | 51,478 |
| Five Top Olympic Medal-Winning Countries by Continent | 0 | - | 4.96 | 144,758 |
| Top 50 Countries by Population - In Order | 0 | - | 4.98 | 332,377 |
| Countries More Populous Than Their Neighbors | 0 | - | 4.99 | 174,151 |
| Countries with Megacities | 0 | - | 4.99 | 265,190 |
| Countries With More than 50 Million People | 0 | - | 4.99 | 199,973 |
| Countries with the Most Population Growth by Decade | 0 | - | 4.98 | 113,613 |
| Countries With More than 200 Million People | 0 | - | 4.95 | 138,234 |
| Countries Less Populous Than Their Neighbors | 0 | - | 4.96 | 81,685 |
| Countries with the Most Downhill Skiing | 0 | - | 4.89 | 57,557 |
| Biggest Countries by Population | 0 | - | 5.00 | 1,449,602 |
| Smallest Countries by Population and Area | 0 | - | 4.99 | 381,322 |
| Countries with Most Grand Slam Tennis Titles | 0 | - | 4.42 | 57,918 |
| Countries with Major League Baseball Players | 0 | - | 4.62 | 68,143 |
| Countries with the Fastest Marathoners | 0 | - | 4.51 | 95,744 |
| Countries with the Most Golf Courses | 0 | - | 4.55 | 56,606 |
| Countries Where Baseball is the Most Popular Sport | 0 | - | 4.42 | 55,434 |
| Countries that Export the Most Football Players | 0 | - | 4.43 | 58,823 |
| Countries with the Fastest 100 Meter Sprinters | 0 | - | 4.44 | 86,412 |
| Five Most Densely Populated Countries by Continent | 0 | - | 4.96 | 87,026 |
| Five Most Populated Countries by Continent | 0 | - | 4.99 | 268,394 |
| Most Populous Countries with Exceptions | 0 | - | 4.98 | 122,282 |
| Top 10 Most Densely-Populated Countries in Europe | 0 | - | 4.98 | 112,643 |
| Five Least Densely Populated Countries by Continent | 0 | - | 4.90 | 93,839 |
| North American Sports Cities | 0 | - | 4.83 | 172,743 |
| Summer Olympic City Bids | 0 | - | 4.94 | 42,435 |
| Countries That Use the Euro | 0 | - | 4.95 | 105,858 |
| Landlocked Countries in Africa | 0 | - | 4.99 | 47,243 |
| 10 Easternmost Countries in Europe | 0 | - | 4.89 | 116,002 |
| The Only European Country ... | 0 | - | 4.91 | 217,741 |
| Mediterranean Countries Quiz | 0 | - | 4.99 | 213,022 |
| European Countries NOT in NATO | 0 | - | 4.90 | 61,815 |
| Countries with Territorial Claims in Antarctica | 0 | - | 4.94 | 92,773 |
| Countries of Africa | 0 | - | 5.00 | 2,547,799 |
| Countries With The Most NHL Hockey Players | 0 | - | 4.48 | 100,731 |
| Countries With the Most NBA Players | 0 | - | 4.47 | 118,329 |
| Top 10 Countries with the Most Registered Soccer Players | 0 | - | 4.13 | 72,089 |
| Countries with the Most Summer Olympics Medals | 0 | - | 4.55 | 93,327 |
| Boundary Waters | 0 | - | 4.92 | 88,621 |
| Countries Along the Afro-Eurasia Coast | 0 | - | 4.86 | 35,292 |
| The Same Suffixes - Geography | 0 | - | 4.98 | 96,368 |
| Countries of Europe by Population | 0 | - | 4.98 | 181,823 |
| Most Populous Countries by Year | 0 | - | 4.83 | 110,979 |
| Most Populated Countries Bordering the Pacific Ocean | 0 | - | 4.97 | 95,745 |
| Most Populous Countries Bordering Each Other | 0 | - | 4.97 | 130,850 |
| Countries with the Most People Bordering Them | 0 | - | 4.98 | 108,257 |
| Most Populous Countries in 2050 | 0 | - | 4.91 | 223,385 |
| First Countries to Reach 5 Million People | 0 | - | 4.93 | 135,579 |
| Most Populous Modern-Day Countries in 1000 AD | 0 | - | 4.88 | 76,342 |
| Most Populous Modern-Day Countries in 1 AD | 0 | - | 4.98 | 92,986 |
| Most Populous Modern-Day Countries in 1800 AD | 0 | - | 4.93 | 67,373 |
| Most Populous Modern-Day Countries in 1500 AD | 0 | - | 4.93 | 73,679 |
| Summer Olympics Host Cities | 0 | - | 4.98 | 215,712 |
| Top 10 Languages Spoken in Europe | 0 | - | 4.96 | 219,701 |
| Countries of the Middle East | 0 | - | 4.96 | 201,876 |
| Countries with Territory in the Balkans | 0 | - | 4.96 | 89,707 |
| Slavic Countries | 0 | - | 4.96 | 111,998 |
| African Island Countries | 0 | - | 4.96 | 101,983 |
| Countries with the Highest Population Density | 0 | - | 4.95 | 165,294 |
| Countries with the Lowest Population Density | 0 | - | 4.98 | 170,475 |
| Countries of Asia with Two or More Words | 0 | - | 4.96 | 127,354 |
| Asian Countries Ending in "IA" | 0 | - | 4.96 | 107,903 |
| African Countries with the Shortest Names | 0 | - | 4.98 | 154,015 |
| Top 10 Biggest African Countries by Area | 0 | - | 4.99 | 217,579 |
| 10 Biggest European Countries by Area | 0 | - | 4.99 | 193,058 |
| 10 Biggest Asian Countries by Area | 0 | - | 4.97 | 154,131 |
| 10 Biggest American Countries by Area | 0 | - | 4.95 | 112,760 |
| Top 10 Most Populous American Countries | 0 | - | 4.97 | 144,480 |
| 10 Westernmost Countries in Europe | 0 | - | 4.96 | 151,579 |
| 10 Southernmost Countries in Africa | 0 | - | 4.98 | 116,949 |
| 10 Northernmost Countries in Africa | 0 | - | 4.98 | 161,656 |
| 10 Southernmost Countries in Asia | 0 | - | 4.97 | 99,465 |
| 10 Easternmost Countries in Asia | 0 | - | 4.99 | 108,407 |
| Top 10 Smallest African Countries by Area | 0 | - | 4.96 | 33,575 |
| Countries of Europe - One Minute Sprint | 0 | - | 4.94 | 1,331,778 |
| Countries of North America Quiz | 0 | - | 5.00 | 1,026,916 |
| Countries by Population Decrease | 0 | - | 4.46 | 49,898 |
| Countries Gaining the Most Population by 2070 | 0 | - | 4.63 | 64,341 |
| Five Most Inland Capital Cities by Continent | 0 | - | 4.92 | 13,418 |
| All-Time Winter Olympics Medal Table | 0 | - | 4.46 | 178,396 |
| Athletes by Country Quiz #1 | 0 | - | 4.36 | 45,403 |
| Top 10 Most Populous European Countries | 0 | - | 4.97 | 233,546 |
| Top 10 Most Populous Asian Countries | 0 | - | 4.97 | 184,393 |
| Top 10 Most Populous African Countries | 0 | - | 4.99 | 193,909 |
| Top 10 Most Densely-Populated Countries in Asia | 0 | - | 4.92 | 104,474 |
| Top 10 Asian Countries by Population Increase | 0 | - | 4.93 | 108,633 |
| Flags of Countries With More Than 100 Million People | 0 | - | 4.97 | 159,605 |
| Most Populous Countries in 1900 | 0 | - | 4.91 | 173,977 |
| Countries by Capitals and Borders in 90 Seconds | 0 | - | 4.83 | 227,100 |
| Countries of the World Quiz | 0 | - | 5.00 | 47,651,287 |
| Landlocked Countries | 0 | - | 4.99 | 422,850 |
| Countries Formerly in Yugoslavia | 0 | - | 4.95 | 125,195 |
| Asian Countries with the Shortest Names | 0 | - | 4.97 | 135,668 |
| American Countries with the Shortest Names | 0 | - | 4.96 | 121,357 |
| Mediterranean Countries with an Empty Map | 0 | - | 4.99 | 105,277 |
| Monarchies of Europe | 0 | - | 4.90 | 98,448 |
| Monarchies of Asia | 0 | - | 4.97 | 71,298 |
| Asian Country Superlatives | 0 | - | 4.84 | 81,085 |
| "Stan" Countries - Map Quiz | 0 | - | 4.98 | 136,699 |
| Countries that Start with A | 0 | - | 4.98 | 2,168,570 |
| Countries that Start with B | 0 | - | 4.95 | 2,299,727 |
| Countries that Start with C | 0 | - | 4.96 | 1,826,373 |
| Countries that Start with D | 0 | - | 4.96 | 712,760 |
| Countries that Start with E | 0 | - | 4.95 | 1,380,780 |
| Countries that Start with G | 0 | - | 4.97 | 1,507,046 |
| Countries that Start with H | 0 | - | 4.96 | 606,936 |
| Countries that Start with I | 0 | - | 4.92 | 1,291,170 |
| Countries that Start with J | 0 | - | 4.98 | 604,480 |
| Countries that Start with K | 0 | - | 4.97 | 818,066 |
| Countries that Start with L | 0 | - | 4.98 | 1,093,494 |
| Countries that Start with N | 0 | - | 4.93 | 1,120,545 |
| Countries that Start with P | 0 | - | 4.94 | 1,218,880 |
| Countries that Start with S | 0 | - | 4.98 | 1,758,696 |
| Countries that Start with T | 0 | - | 4.90 | 1,011,916 |
| Countries that Start with U | 0 | - | 4.97 | 906,149 |
| Countries that Start with V | 0 | - | 4.98 | 610,523 |
| Countries that Start with F | 0 | - | 4.83 | 619,296 |
| Countries that Start with M | 0 | - | 4.97 | 1,384,754 |
| The Only African Country ... | 0 | - | 4.99 | 129,358 |
| The Only American Country ... | 0 | - | 4.92 | 121,894 |
| African Countries by a Single Clue | 0 | - | 4.92 | 68,249 |
| African Diaspora - Top 10 Countries | 0 | - | 4.93 | 72,977 |
| European Diaspora - Top 11 Countries | 0 | - | 4.90 | 96,140 |
| 10 European Countries with the Most Tourists | 0 | - | 4.98 | 137,971 |
| 10 Asian Countries with the Most Tourists | 0 | - | 4.89 | 106,368 |
| European Countries with One Border | 0 | - | 4.97 | 183,262 |
| European Countries with the Fewest Borders | 0 | - | 4.97 | 180,030 |
| Countries Closest to Africa | 0 | - | 4.96 | 157,474 |
| Boxing Countries | 0 | - | 4.26 | 31,424 |
| World Geography on a Map #1 | 0 | - | 4.94 | 73,755 |
| Countries Losing the Most Population by 2070 | 0 | - | 4.40 | 84,632 |
| Countries With More Than 100 Million People | 0 | - | 4.99 | 166,529 |
| Top 15 Most Populous Countries Ending in "IA" | 0 | - | 4.77 | 115,909 |
| Five Most Populated Countries by Hemisphere | 0 | - | 4.97 | 124,545 |
| Biggest Countries by Population - Shape Quiz | 0 | - | 4.91 | 57,647 |
| Big 4 Sports Championship Cities | 0 | - | 4.43 | 120,510 |
| World Capitals Quiz | 0 | - | 5.00 | 5,088,626 |
| Sahara Desert Countries | 0 | - | 4.98 | 164,950 |
| Himalayan Countries | 0 | - | 4.95 | 139,117 |
| Andean Countries | 0 | - | 4.93 | 84,848 |
| Countries with the Youngest Median Age | 0 | - | 4.97 | 64,067 |
| Countries in the Southern Hemisphere | 0 | - | 4.99 | 126,176 |
| Coffee Producing Countries | 0 | - | 4.83 | 67,650 |
| Countries with Shrinking Populations | 0 | - | 4.94 | 65,963 |
| Danube Countries | 0 | - | 4.97 | 72,121 |
| Countries With an "Ish" Demonym | 0 | - | 4.98 | 117,165 |
| Countries With an "Ese" Demonym | 0 | - | 4.97 | 86,522 |
| Countries with the Worst Passports | 0 | - | 4.93 | 84,502 |
| Countries with the Most Immigrants | 0 | - | 4.90 | 150,002 |
| European Landlocked Countries | 0 | - | 4.99 | 147,261 |
| Partially Recognized Countries | 0 | - | 4.98 | 106,806 |
| Countries with the Most Species | 0 | - | 4.99 | 103,329 |
| Countries 197 to 205 | 0 | - | 4.90 | 70,935 |
| Tropic of Cancer Countries | 0 | - | 4.97 | 53,644 |
| Tropic of Capricorn Countries | 0 | - | 4.96 | 47,760 |
| UK Immigration by Country | 0 | - | 4.94 | 141,249 |
| Countries that Use the Peso | 0 | - | 4.89 | 59,609 |
| Countries with the Largest Exclusive Economic Zone | 0 | - | 4.90 | 73,347 |
| Countries with a AAA Credit Rating | 0 | - | 4.86 | 57,769 |
| Countries in the Alps | 0 | - | 4.87 | 118,338 |
| Top Five Importing Partners by Country | 0 | - | 4.97 | 101,670 |
| Countries, Capitals, Currencies and Official Languages | 0 | - | 5.00 | 107,244 |
| Biggest Import Partners By Country | 0 | - | 4.99 | 78,736 |
| Southernmost Countries by Continent | 0 | - | 4.98 | 96,695 |
| Northernmost Countries by Continent | 0 | - | 4.98 | 116,614 |
| Countries by Population Growth, 1970–Present | 0 | - | 4.92 | 96,028 |
| Five Biggest Countries by Latitude | 0 | - | 4.97 | 100,785 |
| Five Biggest Countries by Longitude | 0 | - | 4.91 | 53,586 |
| Largest Country by Body of Water | 0 | - | 4.96 | 58,236 |
| Countries with the Most Container Port Traffic | 0 | - | 4.92 | 62,941 |
| Central American Countries | 0 | - | 4.98 | 156,900 |
| Caribbean Countries and Territories | 0 | - | 4.81 | 113,030 |
| Bridge and Tunnel Borders | 0 | - | 4.96 | 53,704 |
| Countries with the Longest Road Networks Quiz | 0 | - | 4.90 | 41,584 |
| Total United States Immigration by Country | 0 | - | 4.91 | 111,970 |
| Countries that Touch the Prime Meridian or Equator | 0 | - | 4.88 | 104,312 |
| Biggest Spanish Empire Countries | 0 | - | 4.91 | 116,384 |
| American Countries on the Pacific Coast | 0 | - | 4.80 | 49,315 |
| Arctic Ocean Countries | 0 | - | 4.95 | 79,554 |
| Countries with the Most Grassland | 0 | - | 4.94 | 77,622 |
| All Countries by Area : Four at a Time | 0 | - | 5.00 | 119,115 |
| Countries with the Most Climate Zones | 0 | - | 4.96 | 68,385 |
| Countries that Host the Most Refugees | 0 | - | 4.96 | 64,638 |
| Asian Countries with the Most Christians | 0 | - | 4.85 | 97,595 |
| African Countries with the Most Christians | 0 | - | 4.94 | 75,819 |
| Countries of the World by Similar Area in 90 Seconds | 0 | - | 4.95 | 46,228 |
| All Countries of the World by Area with Hints | 0 | - | 4.97 | 244,406 |
| World Countries - Blind Typing | 0 | - | 5.00 | 108,390 |
| Countries in Their Own Alphabet | 0 | - | 4.95 | 48,299 |
| Largest Countries By Category | 0 | - | 4.97 | 158,368 |
| Countries by Countries | 0 | - | 4.96 | 63,339 |
| Top 10 Biggest Economies in Europe | 0 | - | 4.98 | 199,970 |
| Top 10 Biggest Economies in Africa | 0 | - | 4.99 | 120,893 |
| Top 10 Biggest Economies in Asia | 0 | - | 4.87 | 135,945 |
| Top 10 Biggest Economies in the Americas | 0 | - | 4.94 | 92,478 |
| Countries in Southeast Asia With an Empty Map | 0 | - | 4.97 | 101,777 |
| Countries with the Most Ascents of Mount Everest | 0 | - | 4.95 | 58,391 |
