| Countries by Sports League Revenue | 0 | - | 4.94 | 77,531 |
| Olympic Host Countries | 0 | - | 4.98 | 200,948 |
| Ten Highest Ranking FIFA Countries by Year | 0 | - | 4.95 | 310,098 |
| All Countries Never To Qualify For A FIFA World Cup | 0 | - | 4.81 | 47,226 |
| Five Top Olympic Medal-Winning Countries by Continent | 0 | - | 4.96 | 144,459 |
| Top 50 Countries by Population - In Order | 0 | - | 4.98 | 330,981 |
| Countries More Populous Than Their Neighbors | 0 | - | 4.99 | 173,710 |
| Countries with Megacities | 0 | - | 4.99 | 264,104 |
| Countries With More than 50 Million People | 0 | - | 4.99 | 199,548 |
| Countries with the Most Population Growth by Decade | 0 | - | 4.98 | 113,378 |
| Countries With More than 200 Million People | 0 | - | 4.96 | 137,819 |
| Countries Less Populous Than Their Neighbors | 0 | - | 4.96 | 81,433 |
| Countries with the Most Downhill Skiing | 0 | - | 4.89 | 57,446 |
| Biggest Countries by Population | 0 | - | 5.00 | 1,447,020 |
| Smallest Countries by Population and Area | 0 | - | 4.99 | 380,688 |
| Countries with Most Grand Slam Tennis Titles | 0 | - | 4.42 | 57,854 |
| Countries with Major League Baseball Players | 0 | - | 4.62 | 68,018 |
| Countries with the Fastest Marathoners | 0 | - | 4.51 | 95,598 |
| Countries with the Most Golf Courses | 0 | - | 4.55 | 56,465 |
| Countries Where Baseball is the Most Popular Sport | 0 | - | 4.42 | 55,372 |
| Countries that Export the Most Football Players | 0 | - | 4.43 | 58,500 |
| Countries with the Fastest 100 Meter Sprinters | 0 | - | 4.44 | 86,255 |
| Five Most Densely Populated Countries by Continent | 0 | - | 4.96 | 86,823 |
| Five Most Populated Countries by Continent | 0 | - | 4.99 | 268,023 |
| Most Populous Countries with Exceptions | 0 | - | 4.98 | 122,016 |
| Top 10 Most Densely-Populated Countries in Europe | 0 | - | 4.98 | 112,491 |
| Five Least Densely Populated Countries by Continent | 0 | - | 4.92 | 93,640 |
| North American Sports Cities | 0 | - | 4.83 | 172,513 |
| Summer Olympic City Bids | 0 | - | 4.94 | 42,361 |
| Countries That Use the Euro | 0 | - | 4.95 | 105,292 |
| Landlocked Countries in Africa | 0 | - | 4.99 | 46,967 |
| 10 Easternmost Countries in Europe | 0 | - | 4.89 | 115,452 |
| The Only European Country ... | 0 | - | 4.91 | 217,023 |
| Mediterranean Countries Quiz | 0 | - | 4.99 | 212,537 |
| European Countries NOT in NATO | 0 | - | 4.90 | 61,362 |
| Countries with Territorial Claims in Antarctica | 0 | - | 4.94 | 92,705 |
| Countries of Africa | 0 | - | 5.00 | 2,541,014 |
| Countries With The Most NHL Hockey Players | 0 | - | 4.48 | 100,372 |
| Countries With the Most NBA Players | 0 | - | 4.47 | 118,027 |
| Top 10 Countries with the Most Registered Soccer Players | 0 | - | 4.13 | 71,892 |
| Countries with the Most Summer Olympics Medals | 0 | - | 4.55 | 93,239 |
| Boundary Waters | 0 | - | 4.92 | 88,515 |
| Countries Along the Afro-Eurasia Coast | 0 | - | 4.86 | 35,215 |
| The Same Suffixes - Geography | 0 | - | 4.98 | 96,186 |
| Countries of Europe by Population | 0 | - | 4.98 | 181,156 |
| Most Populous Countries by Year | 0 | - | 4.83 | 110,766 |
| Most Populated Countries Bordering the Pacific Ocean | 0 | - | 4.97 | 95,661 |
| Most Populous Countries Bordering Each Other | 0 | - | 4.97 | 130,580 |
| Countries with the Most People Bordering Them | 0 | - | 4.98 | 108,023 |
| Most Populous Countries in 2050 | 0 | - | 4.91 | 223,111 |
| First Countries to Reach 5 Million People | 0 | - | 4.92 | 135,409 |
| Most Populous Modern-Day Countries in 1000 AD | 0 | - | 4.88 | 76,258 |
| Most Populous Modern-Day Countries in 1 AD | 0 | - | 4.98 | 92,832 |
| Most Populous Modern-Day Countries in 1800 AD | 0 | - | 4.93 | 67,290 |
| Most Populous Modern-Day Countries in 1500 AD | 0 | - | 4.93 | 73,598 |
| Summer Olympics Host Cities | 0 | - | 4.98 | 215,282 |
| Top 10 Languages Spoken in Europe | 0 | - | 4.96 | 219,025 |
| Countries of the Middle East | 0 | - | 4.96 | 201,365 |
| Countries with Territory in the Balkans | 0 | - | 4.96 | 89,421 |
| Slavic Countries | 0 | - | 4.96 | 111,773 |
| African Island Countries | 0 | - | 4.96 | 101,743 |
| Countries with the Highest Population Density | 0 | - | 4.95 | 165,073 |
| Countries with the Lowest Population Density | 0 | - | 4.98 | 170,237 |
| Countries of Asia with Two or More Words | 0 | - | 4.96 | 127,033 |
| Asian Countries Ending in "IA" | 0 | - | 4.96 | 107,610 |
| African Countries with the Shortest Names | 0 | - | 4.98 | 153,676 |
| Top 10 Biggest African Countries by Area | 0 | - | 4.99 | 217,168 |
| 10 Biggest European Countries by Area | 0 | - | 4.99 | 192,786 |
| 10 Biggest Asian Countries by Area | 0 | - | 4.97 | 153,855 |
| 10 Biggest American Countries by Area | 0 | - | 4.95 | 112,671 |
| Top 10 Most Populous American Countries | 0 | - | 4.97 | 144,307 |
| 10 Westernmost Countries in Europe | 0 | - | 4.96 | 151,310 |
| 10 Southernmost Countries in Africa | 0 | - | 4.98 | 116,686 |
| 10 Northernmost Countries in Africa | 0 | - | 4.98 | 161,352 |
| 10 Southernmost Countries in Asia | 0 | - | 4.97 | 99,263 |
| 10 Easternmost Countries in Asia | 0 | - | 4.99 | 108,096 |
| Top 10 Smallest African Countries by Area | 0 | - | 4.96 | 33,351 |
| Countries of Europe - One Minute Sprint | 0 | - | 4.94 | 1,329,719 |
| Countries of North America Quiz | 0 | - | 5.00 | 1,024,533 |
| Countries by Population Decrease | 0 | - | 4.46 | 49,852 |
| Countries Gaining the Most Population by 2070 | 0 | - | 4.63 | 64,262 |
| Five Most Inland Capital Cities by Continent | 0 | - | 4.92 | 13,259 |
| All-Time Winter Olympics Medal Table | 0 | - | 4.46 | 178,228 |
| Athletes by Country Quiz #1 | 0 | - | 4.36 | 45,376 |
| Top 10 Most Populous European Countries | 0 | - | 4.97 | 233,103 |
| Top 10 Most Populous Asian Countries | 0 | - | 4.97 | 184,026 |
| Top 10 Most Populous African Countries | 0 | - | 4.99 | 193,491 |
| Top 10 Most Densely-Populated Countries in Asia | 0 | - | 4.92 | 104,200 |
| Top 10 Asian Countries by Population Increase | 0 | - | 4.93 | 108,500 |
| Flags of Countries With More Than 100 Million People | 0 | - | 4.97 | 159,399 |
| Most Populous Countries in 1900 | 0 | - | 4.91 | 173,840 |
| Countries by Capitals and Borders in 90 Seconds | 0 | - | 4.84 | 226,754 |
| Countries of the World Quiz | 0 | - | 5.00 | 47,525,922 |
| Landlocked Countries | 0 | - | 4.99 | 421,267 |
| Countries Formerly in Yugoslavia | 0 | - | 4.95 | 124,979 |
| Asian Countries with the Shortest Names | 0 | - | 4.97 | 135,411 |
| American Countries with the Shortest Names | 0 | - | 4.96 | 121,203 |
| Mediterranean Countries with an Empty Map | 0 | - | 4.99 | 105,144 |
| Monarchies of Europe | 0 | - | 4.90 | 98,241 |
| Monarchies of Asia | 0 | - | 4.97 | 71,149 |
| Asian Country Superlatives | 0 | - | 4.84 | 80,955 |
| "Stan" Countries - Map Quiz | 0 | - | 4.98 | 136,102 |
| Countries that Start with A | 0 | - | 4.98 | 2,164,684 |
| Countries that Start with B | 0 | - | 4.95 | 2,296,309 |
| Countries that Start with C | 0 | - | 4.96 | 1,823,597 |
| Countries that Start with D | 0 | - | 4.96 | 710,732 |
| Countries that Start with E | 0 | - | 4.95 | 1,378,426 |
| Countries that Start with G | 0 | - | 4.97 | 1,504,674 |
| Countries that Start with H | 0 | - | 4.96 | 605,540 |
| Countries that Start with I | 0 | - | 4.92 | 1,289,283 |
| Countries that Start with J | 0 | - | 4.98 | 603,182 |
| Countries that Start with K | 0 | - | 4.97 | 816,652 |
| Countries that Start with L | 0 | - | 4.98 | 1,091,707 |
| Countries that Start with N | 0 | - | 4.93 | 1,118,716 |
| Countries that Start with P | 0 | - | 4.94 | 1,217,132 |
| Countries that Start with S | 0 | - | 4.98 | 1,756,253 |
| Countries that Start with T | 0 | - | 4.90 | 1,010,632 |
| Countries that Start with U | 0 | - | 4.97 | 905,134 |
| Countries that Start with V | 0 | - | 4.98 | 609,775 |
| Countries that Start with F | 0 | - | 4.83 | 618,212 |
| Countries that Start with M | 0 | - | 4.97 | 1,382,782 |
| The Only African Country ... | 0 | - | 4.99 | 129,201 |
| The Only American Country ... | 0 | - | 4.92 | 121,718 |
| African Countries by a Single Clue | 0 | - | 4.92 | 68,162 |
| African Diaspora - Top 10 Countries | 0 | - | 4.93 | 72,831 |
| European Diaspora - Top 11 Countries | 0 | - | 4.90 | 95,965 |
| 10 European Countries with the Most Tourists | 0 | - | 4.98 | 137,697 |
| 10 Asian Countries with the Most Tourists | 0 | - | 4.89 | 106,117 |
| European Countries with One Border | 0 | - | 4.97 | 182,950 |
| European Countries with the Fewest Borders | 0 | - | 4.97 | 179,729 |
| Countries Closest to Africa | 0 | - | 4.96 | 157,293 |
| Boxing Countries | 0 | - | 4.26 | 31,375 |
| World Geography on a Map #1 | 0 | - | 4.94 | 73,668 |
| Countries Losing the Most Population by 2070 | 0 | - | 4.40 | 84,547 |
| Countries With More Than 100 Million People | 0 | - | 4.99 | 166,302 |
| Top 15 Most Populous Countries Ending in "IA" | 0 | - | 4.77 | 115,772 |
| Five Most Populated Countries by Hemisphere | 0 | - | 4.97 | 124,303 |
| Biggest Countries by Population - Shape Quiz | 0 | - | 4.91 | 57,515 |
| Big 4 Sports Championship Cities | 0 | - | 4.43 | 120,318 |
| World Capitals Quiz | 0 | - | 5.00 | 5,079,030 |
| Sahara Desert Countries | 0 | - | 4.98 | 164,104 |
| Himalayan Countries | 0 | - | 4.95 | 138,405 |
| Andean Countries | 0 | - | 4.93 | 84,423 |
| Countries with the Youngest Median Age | 0 | - | 4.97 | 63,638 |
| Countries in the Southern Hemisphere | 0 | - | 4.99 | 125,585 |
| Coffee Producing Countries | 0 | - | 4.83 | 67,270 |
| Countries with Shrinking Populations | 0 | - | 4.94 | 65,671 |
| Danube Countries | 0 | - | 4.97 | 71,925 |
| Countries With an "Ish" Demonym | 0 | - | 4.98 | 116,910 |
| Countries With an "Ese" Demonym | 0 | - | 4.97 | 86,337 |
| Countries with the Worst Passports | 0 | - | 4.94 | 84,149 |
| Countries with the Most Immigrants | 0 | - | 4.90 | 149,607 |
| European Landlocked Countries | 0 | - | 4.99 | 147,057 |
| Partially Recognized Countries | 0 | - | 4.98 | 106,503 |
| Countries with the Most Species | 0 | - | 4.99 | 103,164 |
| Countries 197 to 205 | 0 | - | 4.89 | 70,655 |
| Tropic of Cancer Countries | 0 | - | 4.97 | 53,545 |
| Tropic of Capricorn Countries | 0 | - | 4.96 | 47,689 |
| UK Immigration by Country | 0 | - | 4.94 | 141,030 |
| Countries that Use the Peso | 0 | - | 4.89 | 59,492 |
| Countries with the Largest Exclusive Economic Zone | 0 | - | 4.90 | 73,171 |
| Countries with a AAA Credit Rating | 0 | - | 4.86 | 57,583 |
| Countries in the Alps | 0 | - | 4.87 | 118,085 |
| Top Five Importing Partners by Country | 0 | - | 4.97 | 100,579 |
| Countries, Capitals, Currencies and Official Languages | 0 | - | 5.00 | 106,896 |
| Biggest Import Partners By Country | 0 | - | 4.99 | 78,599 |
| Southernmost Countries by Continent | 0 | - | 4.98 | 96,528 |
| Northernmost Countries by Continent | 0 | - | 4.98 | 116,414 |
| Countries by Population Growth, 1970–Present | 0 | - | 4.92 | 95,890 |
| Five Biggest Countries by Latitude | 0 | - | 4.97 | 100,575 |
| Five Biggest Countries by Longitude | 0 | - | 4.91 | 53,431 |
| Largest Country by Body of Water | 0 | - | 4.96 | 58,133 |
| Countries with the Most Container Port Traffic | 0 | - | 4.92 | 62,778 |
| Central American Countries | 0 | - | 4.98 | 156,614 |
| Bridge and Tunnel Borders | 0 | - | 4.96 | 53,609 |
| Countries with the Longest Road Networks Quiz | 0 | - | 4.90 | 41,468 |
| Total United States Immigration by Country | 0 | - | 4.91 | 111,757 |
| Countries that Touch the Prime Meridian or Equator | 0 | - | 4.88 | 104,150 |
| Biggest Spanish Empire Countries | 0 | - | 4.91 | 116,136 |
| American Countries on the Pacific Coast | 0 | - | 4.80 | 49,275 |
| Arctic Ocean Countries | 0 | - | 4.95 | 79,407 |
| Countries with the Most Grassland | 0 | - | 4.94 | 77,446 |
| All Countries by Area : Four at a Time | 0 | - | 5.00 | 118,723 |
| Countries with the Most Climate Zones | 0 | - | 4.96 | 68,241 |
| Countries that Host the Most Refugees | 0 | - | 4.95 | 61,048 |
| Asian Countries with the Most Christians | 0 | - | 4.85 | 97,335 |
| African Countries with the Most Christians | 0 | - | 4.94 | 75,687 |
| Countries of the World by Similar Area in 90 Seconds | 0 | - | 4.95 | 45,940 |
| All Countries of the World by Area with Hints | 0 | - | 4.97 | 243,571 |
| World Countries - Blind Typing | 0 | - | 5.00 | 107,893 |
| Countries in Their Own Alphabet | 0 | - | 4.95 | 48,164 |
| Largest Countries By Category | 0 | - | 4.97 | 158,078 |
| "Do Not Travel" Countries for U.S. Citizens | 0 | - | 4.97 | 244,444 |
| Countries by Countries | 0 | - | 4.96 | 63,114 |
| Top 10 Biggest Economies in Europe | 0 | - | 4.98 | 199,606 |
| Top 10 Biggest Economies in Africa | 0 | - | 4.99 | 120,706 |
| Top 10 Biggest Economies in Asia | 0 | - | 4.87 | 135,016 |
| Top 10 Biggest Economies in the Americas | 0 | - | 4.94 | 92,281 |
| Countries in Southeast Asia With an Empty Map | 0 | - | 4.97 | 101,583 |
| Countries with the Most Ascents of Mount Everest | 0 | - | 4.95 | 58,294 |