| Countries by Sports League Revenue | 0 | - | 4.94 | 75,566 |
| Olympic Host Countries | 0 | - | 4.98 | 198,897 |
| Ten Highest Ranking FIFA Countries by Year | 0 | - | 4.94 | 303,547 |
| All Countries Never To Qualify For A FIFA World Cup | 0 | - | 4.84 | 45,017 |
| Five Top Olympic Medal-Winning Countries by Continent | 0 | - | 4.96 | 142,796 |
| Top 50 Countries by Population - In Order | 0 | - | 4.98 | 323,917 |
| Countries More Populous Than Their Neighbors | 0 | - | 4.99 | 171,200 |
| Countries with Megacities | 0 | - | 4.99 | 246,885 |
| Countries With More than 50 Million People | 0 | - | 4.99 | 197,104 |
| Countries with the Most Population Growth by Decade | 0 | - | 4.98 | 111,961 |
| Countries With More than 200 Million People | 0 | - | 4.96 | 135,516 |
| Countries Less Populous Than Their Neighbors | 0 | - | 4.96 | 79,849 |
| Countries with the Most Downhill Skiing | 0 | - | 4.90 | 56,825 |
| Biggest Countries by Population | 0 | - | 5.00 | 1,435,042 |
| Smallest Countries by Population and Area | 0 | - | 4.99 | 377,628 |
| Countries with Most Grand Slam Tennis Titles | 0 | - | 4.41 | 57,567 |
| Countries with Major League Baseball Players | 0 | - | 4.61 | 67,283 |
| Countries with the Fastest Marathoners | 0 | - | 4.51 | 94,650 |
| Countries with the Most Golf Courses | 0 | - | 4.55 | 55,811 |
| Countries Where Baseball is the Most Popular Sport | 0 | - | 4.42 | 55,046 |
| Countries that Export the Most Football Players | 0 | - | 4.43 | 56,970 |
| Countries with the Fastest 100 Meter Sprinters | 0 | - | 4.44 | 85,429 |
| Five Most Densely Populated Countries by Continent | 0 | - | 4.95 | 85,839 |
| Five Most Populated Countries by Continent | 0 | - | 4.99 | 265,932 |
| Most Populous Countries with Exceptions | 0 | - | 4.98 | 120,884 |
| Top 10 Most Densely-Populated Countries in Europe | 0 | - | 4.98 | 111,481 |
| Five Least Densely Populated Countries by Continent | 0 | - | 4.92 | 92,604 |
| North American Sports Cities | 0 | - | 4.83 | 170,906 |
| Summer Olympic City Bids | 0 | - | 4.93 | 41,916 |
| Countries That Use the Euro | 0 | - | 4.96 | 102,990 |
| Landlocked Countries in Africa | 0 | - | 4.99 | 45,815 |
| 10 Easternmost Countries in Europe | 0 | - | 4.89 | 113,563 |
| The Only European Country ... | 0 | - | 4.91 | 213,838 |
| Mediterranean Countries Quiz | 0 | - | 4.99 | 210,148 |
| European Countries NOT in NATO | 0 | - | 4.87 | 59,536 |
| Countries with Territorial Claims in Antarctica | 0 | - | 4.94 | 92,210 |
| Countries of Africa | 0 | - | 5.00 | 2,507,897 |
| Countries With The Most NHL Hockey Players | 0 | - | 4.48 | 98,790 |
| Countries With the Most NBA Players | 0 | - | 4.47 | 116,394 |
| Top 10 Countries with the Most Registered Soccer Players | 0 | - | 4.14 | 70,917 |
| Countries with the Most Summer Olympics Medals | 0 | - | 4.55 | 92,749 |
| Boundary Waters | 0 | - | 4.92 | 88,042 |
| Countries Along the Afro-Eurasia Coast | 0 | - | 4.85 | 34,815 |
| The Same Suffixes - Geography | 0 | - | 4.98 | 95,285 |
| Countries of Europe by Population | 0 | - | 4.98 | 178,077 |
| Most Populous Countries by Year | 0 | - | 4.83 | 109,230 |
| Most Populated Countries Bordering the Pacific Ocean | 0 | - | 4.96 | 95,143 |
| Most Populous Countries Bordering Each Other | 0 | - | 4.97 | 129,335 |
| Countries with the Most People Bordering Them | 0 | - | 4.98 | 106,932 |
| Most Populous Countries in 2050 | 0 | - | 4.91 | 221,472 |
| First Countries to Reach 5 Million People | 0 | - | 4.92 | 134,295 |
| Most Populous Modern-Day Countries in 1000 AD | 0 | - | 4.87 | 75,272 |
| Most Populous Modern-Day Countries in 1 AD | 0 | - | 4.97 | 83,608 |
| Most Populous Modern-Day Countries in 1800 AD | 0 | - | 4.93 | 66,570 |
| Most Populous Modern-Day Countries in 1500 AD | 0 | - | 4.93 | 72,811 |
| Summer Olympics Host Cities | 0 | - | 4.98 | 213,131 |
| Top 10 Languages Spoken in Europe | 0 | - | 4.96 | 216,330 |
| Countries of the Middle East | 0 | - | 4.96 | 198,925 |
| Countries with Territory in the Balkans | 0 | - | 4.96 | 88,268 |
| Slavic Countries | 0 | - | 4.96 | 110,859 |
| African Island Countries | 0 | - | 4.96 | 100,792 |
| Countries with the Highest Population Density | 0 | - | 4.94 | 164,115 |
| Countries with the Lowest Population Density | 0 | - | 4.98 | 169,098 |
| Countries of Asia with Two or More Words | 0 | - | 4.96 | 125,707 |
| Asian Countries Ending in "IA" | 0 | - | 4.96 | 106,491 |
| African Countries with the Shortest Names | 0 | - | 4.98 | 152,110 |
| Top 10 Biggest African Countries by Area | 0 | - | 4.99 | 215,629 |
| 10 Biggest European Countries by Area | 0 | - | 4.99 | 191,716 |
| 10 Biggest Asian Countries by Area | 0 | - | 4.97 | 152,762 |
| 10 Biggest American Countries by Area | 0 | - | 4.95 | 112,156 |
| Top 10 Most Populous American Countries | 0 | - | 4.97 | 143,165 |
| 10 Westernmost Countries in Europe | 0 | - | 4.96 | 150,291 |
| 10 Southernmost Countries in Africa | 0 | - | 4.98 | 115,577 |
| 10 Northernmost Countries in Africa | 0 | - | 4.98 | 160,276 |
| 10 Southernmost Countries in Asia | 0 | - | 4.97 | 98,416 |
| 10 Easternmost Countries in Asia | 0 | - | 4.99 | 107,246 |
| Top 10 Smallest African Countries by Area | 0 | - | 4.96 | 32,507 |
| Countries of Europe - One Minute Sprint | 0 | - | 4.94 | 1,319,774 |
| Countries of North America Quiz | 0 | - | 5.00 | 1,011,658 |
| Countries by Population Decrease | 0 | - | 4.45 | 49,608 |
| Countries Gaining the Most Population by 2070 | 0 | - | 4.63 | 63,847 |
| All-Time Winter Olympics Medal Table | 0 | - | 4.46 | 177,746 |
| Athletes by Country Quiz #1 | 0 | - | 4.36 | 45,278 |
| Top 10 Most Populous European Countries | 0 | - | 4.98 | 230,959 |
| Top 10 Most Populous Asian Countries | 0 | - | 4.96 | 182,001 |
| Top 10 Most Populous African Countries | 0 | - | 4.99 | 191,854 |
| Top 10 Most Densely-Populated Countries in Asia | 0 | - | 4.92 | 102,990 |
| Top 10 Asian Countries by Population Increase | 0 | - | 4.93 | 107,829 |
| Flags of Countries With More Than 100 Million People | 0 | - | 4.97 | 158,399 |
| Most Populous Countries in 1900 | 0 | - | 4.91 | 172,596 |
| Countries by Capitals and Borders in 90 Seconds | 0 | - | 4.84 | 225,289 |
| Countries of the World Quiz | 0 | - | 5.00 | 46,918,158 |
| Landlocked Countries | 0 | - | 4.99 | 413,590 |
| Countries Formerly in Yugoslavia | 0 | - | 4.95 | 124,200 |
| Asian Countries with the Shortest Names | 0 | - | 4.97 | 134,361 |
| American Countries with the Shortest Names | 0 | - | 4.96 | 120,341 |
| Mediterranean Countries with an Empty Map | 0 | - | 4.99 | 104,368 |
| Monarchies of Europe | 0 | - | 4.90 | 97,313 |
| Monarchies of Asia | 0 | - | 4.97 | 70,603 |
| Asian Country Superlatives | 0 | - | 4.84 | 80,432 |
| "Stan" Countries - Map Quiz | 0 | - | 4.98 | 133,775 |
| Countries that Start with A | 0 | - | 4.97 | 2,146,758 |
| Countries that Start with B | 0 | - | 4.95 | 2,279,835 |
| Countries that Start with C | 0 | - | 4.96 | 1,810,278 |
| Countries that Start with D | 0 | - | 4.96 | 701,518 |
| Countries that Start with E | 0 | - | 4.95 | 1,367,483 |
| Countries that Start with G | 0 | - | 4.97 | 1,492,748 |
| Countries that Start with H | 0 | - | 4.96 | 597,945 |
| Countries that Start with I | 0 | - | 4.92 | 1,280,247 |
| Countries that Start with J | 0 | - | 4.98 | 596,008 |
| Countries that Start with K | 0 | - | 4.97 | 809,385 |
| Countries that Start with L | 0 | - | 4.98 | 1,082,857 |
| Countries that Start with N | 0 | - | 4.93 | 1,109,709 |
| Countries that Start with P | 0 | - | 4.94 | 1,208,524 |
| Countries that Start with S | 0 | - | 4.98 | 1,744,490 |
| Countries that Start with T | 0 | - | 4.90 | 1,004,195 |
| Countries that Start with U | 0 | - | 4.97 | 899,911 |
| Countries that Start with V | 0 | - | 4.98 | 605,085 |
| Countries that Start with F | 0 | - | 4.83 | 612,173 |
| Countries that Start with M | 0 | - | 4.97 | 1,373,312 |
| The Only African Country ... | 0 | - | 4.99 | 128,367 |
| The Only American Country ... | 0 | - | 4.92 | 120,761 |
| African Countries by a Single Clue | 0 | - | 4.92 | 67,778 |
| African Diaspora - Top 10 Countries | 0 | - | 4.92 | 72,250 |
| European Diaspora - Top 11 Countries | 0 | - | 4.90 | 95,043 |
| 10 European Countries with the Most Tourists | 0 | - | 4.98 | 136,394 |
| 10 Asian Countries with the Most Tourists | 0 | - | 4.89 | 105,042 |
| European Countries with One Border | 0 | - | 4.97 | 181,628 |
| European Countries with the Fewest Borders | 0 | - | 4.97 | 178,521 |
| Countries Closest to Africa | 0 | - | 4.96 | 156,109 |
| Boxing Countries | 0 | - | 4.26 | 31,224 |
| World Geography on a Map #1 | 0 | - | 4.94 | 73,161 |
| Countries Losing the Most Population by 2070 | 0 | - | 4.40 | 84,130 |
| Countries With More Than 100 Million People | 0 | - | 4.99 | 164,618 |
| Top 15 Most Populous Countries Ending in "IA" | 0 | - | 4.74 | 99,455 |
| Five Most Populated Countries by Hemisphere | 0 | - | 4.96 | 122,980 |
| Biggest Countries by Population - Shape Quiz | 0 | - | 4.91 | 56,951 |
| Big 4 Sports Championship Cities | 0 | - | 4.43 | 119,232 |
| World Capitals Quiz | 0 | - | 5.00 | 5,031,327 |
| Sahara Desert Countries | 0 | - | 4.98 | 160,577 |
| Himalayan Countries | 0 | - | 4.95 | 135,344 |
| Andean Countries | 0 | - | 4.94 | 82,822 |
| Countries with the Youngest Median Age | 0 | - | 4.97 | 62,208 |
| Countries in the Southern Hemisphere | 0 | - | 4.99 | 123,203 |
| Coffee Producing Countries | 0 | - | 4.81 | 65,895 |
| Countries with Shrinking Populations | 0 | - | 4.94 | 64,606 |
| Danube Countries | 0 | - | 4.97 | 71,079 |
| Countries With an "Ish" Demonym | 0 | - | 4.98 | 115,763 |
| Countries With an "Ese" Demonym | 0 | - | 4.97 | 85,537 |
| Countries with the Worst Passports | 0 | - | 4.94 | 82,476 |
| Countries with the Most Immigrants | 0 | - | 4.90 | 147,393 |
| European Landlocked Countries | 0 | - | 4.99 | 145,749 |
| Partially Recognized Countries | 0 | - | 4.98 | 105,204 |
| Countries with the Most Species | 0 | - | 4.99 | 95,239 |
| Countries 197 to 205 | 0 | - | 4.87 | 69,336 |
| Tropic of Cancer Countries | 0 | - | 4.97 | 53,197 |
| Tropic of Capricorn Countries | 0 | - | 4.96 | 47,369 |
| UK Immigration by Country | 0 | - | 4.94 | 139,641 |
| Countries that Use the Peso | 0 | - | 4.88 | 58,957 |
| Countries with the Largest Exclusive Economic Zone | 0 | - | 4.89 | 72,573 |
| Countries with a AAA Credit Rating | 0 | - | 4.85 | 56,951 |
| Countries in the Alps | 0 | - | 4.86 | 116,819 |
| Top Five Importing Partners by Country | 0 | - | 4.97 | 94,560 |
| Countries, Capitals, Currencies and Official Languages | 0 | - | 5.00 | 105,251 |
| Biggest Import Partners By Country | 0 | - | 4.99 | 78,003 |
| Southernmost Countries by Continent | 0 | - | 4.98 | 95,415 |
| Northernmost Countries by Continent | 0 | - | 4.98 | 115,157 |
| Countries by Population Growth, 1970–Present | 0 | - | 4.91 | 95,000 |
| Five Biggest Countries by Latitude | 0 | - | 4.97 | 99,572 |
| Five Biggest Countries by Longitude | 0 | - | 4.91 | 52,745 |
| Largest Country by Body of Water | 0 | - | 4.96 | 57,281 |
| Countries with the Most Container Port Traffic | 0 | - | 4.92 | 62,046 |
| Central American Countries | 0 | - | 4.98 | 155,054 |
| Bridge and Tunnel Borders | 0 | - | 4.96 | 53,194 |
| Countries with the Longest Road Networks Quiz | 0 | - | 4.90 | 41,041 |
| Total United States Immigration by Country | 0 | - | 4.91 | 110,662 |
| Countries that Touch the Prime Meridian or Equator | 0 | - | 4.88 | 103,452 |
| Biggest Spanish Empire Countries | 0 | - | 4.91 | 114,869 |
| American Countries on the Pacific Coast | 0 | - | 4.80 | 49,014 |
| Arctic Ocean Countries | 0 | - | 4.95 | 78,744 |
| Countries with the Most Grassland | 0 | - | 4.93 | 76,751 |
| All Countries by Area : Four at a Time | 0 | - | 5.00 | 117,056 |
| Countries with the Most Climate Zones | 0 | - | 4.96 | 67,639 |
| Countries that Host the Most Refugees | 0 | - | 4.95 | 59,252 |
| Asian Countries with the Most Christians | 0 | - | 4.85 | 96,268 |
| African Countries with the Most Christians | 0 | - | 4.94 | 74,863 |
| Countries of the World by Similar Area in 90 Seconds | 0 | - | 4.95 | 44,768 |
| All Countries of the World by Area with Hints | 0 | - | 4.97 | 239,278 |
| World Countries - Blind Typing | 0 | - | 5.00 | 105,669 |
| Countries in Their Own Alphabet | 0 | - | 4.95 | 47,600 |
| Largest Countries By Category | 0 | - | 4.97 | 156,757 |
| "Do Not Travel" Countries for U.S. Citizens | 0 | - | 4.97 | 240,920 |
| Countries by Countries | 0 | - | 4.96 | 62,254 |
| Top 10 Biggest Economies in Europe | 0 | - | 4.98 | 197,261 |
| Top 10 Biggest Economies in Africa | 0 | - | 4.99 | 119,364 |
| Top 10 Biggest Economies in Asia | 0 | - | 4.85 | 113,250 |
| Top 10 Biggest Economies in the Americas | 0 | - | 4.94 | 91,088 |
| Countries in Southeast Asia With an Empty Map | 0 | - | 4.97 | 100,798 |
| Countries with the Most Ascents of Mount Everest | 0 | - | 4.95 | 57,776 |
| Countries with the Most Arabic Speakers | 0 | - | 4.92 | 79,450 |