| Countries by Sports League Revenue | 0 | - | 4.94 | 76,870 |
| Olympic Host Countries | 0 | - | 4.98 | 200,273 |
| Ten Highest Ranking FIFA Countries by Year | 0 | - | 4.95 | 307,777 |
| All Countries Never To Qualify For A FIFA World Cup | 0 | - | 4.84 | 46,331 |
| Five Top Olympic Medal-Winning Countries by Continent | 0 | - | 4.96 | 143,803 |
| Top 50 Countries by Population - In Order | 0 | - | 4.98 | 328,624 |
| Countries More Populous Than Their Neighbors | 0 | - | 4.99 | 172,886 |
| Countries with Megacities | 0 | - | 4.99 | 256,691 |
| Countries With More than 50 Million People | 0 | - | 4.99 | 198,752 |
| Countries with the Most Population Growth by Decade | 0 | - | 4.98 | 112,915 |
| Countries With More than 200 Million People | 0 | - | 4.96 | 137,050 |
| Countries Less Populous Than Their Neighbors | 0 | - | 4.96 | 80,917 |
| Countries with the Most Downhill Skiing | 0 | - | 4.91 | 57,230 |
| Biggest Countries by Population | 0 | - | 5.00 | 1,442,727 |
| Smallest Countries by Population and Area | 0 | - | 4.99 | 379,588 |
| Countries with Most Grand Slam Tennis Titles | 0 | - | 4.42 | 57,753 |
| Countries with Major League Baseball Players | 0 | - | 4.61 | 67,755 |
| Countries with the Fastest Marathoners | 0 | - | 4.51 | 95,352 |
| Countries with the Most Golf Courses | 0 | - | 4.55 | 56,255 |
| Countries Where Baseball is the Most Popular Sport | 0 | - | 4.42 | 55,270 |
| Countries that Export the Most Football Players | 0 | - | 4.43 | 57,982 |
| Countries with the Fastest 100 Meter Sprinters | 0 | - | 4.44 | 85,971 |
| Five Most Densely Populated Countries by Continent | 0 | - | 4.95 | 86,500 |
| Five Most Populated Countries by Continent | 0 | - | 4.99 | 267,326 |
| Most Populous Countries with Exceptions | 0 | - | 4.98 | 121,638 |
| Top 10 Most Densely-Populated Countries in Europe | 0 | - | 4.98 | 112,243 |
| Five Least Densely Populated Countries by Continent | 0 | - | 4.92 | 93,326 |
| North American Sports Cities | 0 | - | 4.83 | 171,727 |
| Summer Olympic City Bids | 0 | - | 4.93 | 42,219 |
| Countries That Use the Euro | 0 | - | 4.95 | 104,473 |
| Landlocked Countries in Africa | 0 | - | 4.99 | 46,570 |
| 10 Easternmost Countries in Europe | 0 | - | 4.89 | 114,778 |
| The Only European Country ... | 0 | - | 4.91 | 215,912 |
| Mediterranean Countries Quiz | 0 | - | 4.99 | 211,673 |
| European Countries NOT in NATO | 0 | - | 4.90 | 60,722 |
| Countries with Territorial Claims in Antarctica | 0 | - | 4.94 | 92,566 |
| Countries of Africa | 0 | - | 5.00 | 2,529,154 |
| Countries With The Most NHL Hockey Players | 0 | - | 4.48 | 99,708 |
| Countries With the Most NBA Players | 0 | - | 4.47 | 117,401 |
| Top 10 Countries with the Most Registered Soccer Players | 0 | - | 4.13 | 71,541 |
| Countries with the Most Summer Olympics Medals | 0 | - | 4.55 | 93,069 |
| Boundary Waters | 0 | - | 4.92 | 88,361 |
| Countries Along the Afro-Eurasia Coast | 0 | - | 4.85 | 35,061 |
| The Same Suffixes - Geography | 0 | - | 4.98 | 95,878 |
| Countries of Europe by Population | 0 | - | 4.98 | 180,034 |
| Most Populous Countries by Year | 0 | - | 4.83 | 110,335 |
| Most Populated Countries Bordering the Pacific Ocean | 0 | - | 4.97 | 95,486 |
| Most Populous Countries Bordering Each Other | 0 | - | 4.97 | 130,171 |
| Countries with the Most People Bordering Them | 0 | - | 4.98 | 107,667 |
| Most Populous Countries in 2050 | 0 | - | 4.91 | 222,692 |
| First Countries to Reach 5 Million People | 0 | - | 4.92 | 135,066 |
| Most Populous Modern-Day Countries in 1000 AD | 0 | - | 4.88 | 76,046 |
| Most Populous Modern-Day Countries in 1 AD | 0 | - | 4.98 | 92,337 |
| Most Populous Modern-Day Countries in 1800 AD | 0 | - | 4.93 | 67,138 |
| Most Populous Modern-Day Countries in 1500 AD | 0 | - | 4.93 | 73,421 |
| Summer Olympics Host Cities | 0 | - | 4.98 | 214,485 |
| Top 10 Languages Spoken in Europe | 0 | - | 4.96 | 218,101 |
| Countries of the Middle East | 0 | - | 4.96 | 200,688 |
| Countries with Territory in the Balkans | 0 | - | 4.96 | 88,970 |
| Slavic Countries | 0 | - | 4.96 | 111,463 |
| African Island Countries | 0 | - | 4.96 | 101,396 |
| Countries with the Highest Population Density | 0 | - | 4.95 | 164,746 |
| Countries with the Lowest Population Density | 0 | - | 4.98 | 169,862 |
| Countries of Asia with Two or More Words | 0 | - | 4.96 | 126,621 |
| Asian Countries Ending in "IA" | 0 | - | 4.96 | 107,241 |
| African Countries with the Shortest Names | 0 | - | 4.98 | 153,120 |
| Top 10 Biggest African Countries by Area | 0 | - | 4.99 | 216,606 |
| 10 Biggest European Countries by Area | 0 | - | 4.99 | 192,396 |
| 10 Biggest Asian Countries by Area | 0 | - | 4.97 | 153,496 |
| 10 Biggest American Countries by Area | 0 | - | 4.95 | 112,503 |
| Top 10 Most Populous American Countries | 0 | - | 4.97 | 144,066 |
| 10 Westernmost Countries in Europe | 0 | - | 4.96 | 150,943 |
| 10 Southernmost Countries in Africa | 0 | - | 4.98 | 116,363 |
| 10 Northernmost Countries in Africa | 0 | - | 4.98 | 160,968 |
| 10 Southernmost Countries in Asia | 0 | - | 4.97 | 98,948 |
| 10 Easternmost Countries in Asia | 0 | - | 4.99 | 107,784 |
| Top 10 Smallest African Countries by Area | 0 | - | 4.96 | 33,045 |
| Countries of Europe - One Minute Sprint | 0 | - | 4.94 | 1,325,878 |
| Countries of North America Quiz | 0 | - | 5.00 | 1,020,188 |
| Countries by Population Decrease | 0 | - | 4.46 | 49,756 |
| Countries Gaining the Most Population by 2070 | 0 | - | 4.63 | 64,108 |
| Five Most Inland Capital Cities by Continent | 0 | - | 4.90 | 11,868 |
| All-Time Winter Olympics Medal Table | 0 | - | 4.46 | 178,061 |
| Athletes by Country Quiz #1 | 0 | - | 4.36 | 45,344 |
| Top 10 Most Populous European Countries | 0 | - | 4.97 | 232,362 |
| Top 10 Most Populous Asian Countries | 0 | - | 4.96 | 183,453 |
| Top 10 Most Populous African Countries | 0 | - | 4.99 | 192,977 |
| Top 10 Most Densely-Populated Countries in Asia | 0 | - | 4.92 | 103,593 |
| Top 10 Asian Countries by Population Increase | 0 | - | 4.93 | 108,318 |
| Flags of Countries With More Than 100 Million People | 0 | - | 4.97 | 159,004 |
| Most Populous Countries in 1900 | 0 | - | 4.91 | 173,555 |
| Countries by Capitals and Borders in 90 Seconds | 0 | - | 4.84 | 226,255 |
| Countries of the World Quiz | 0 | - | 5.00 | 47,306,827 |
| Landlocked Countries | 0 | - | 4.99 | 418,438 |
| Countries Formerly in Yugoslavia | 0 | - | 4.95 | 124,703 |
| Asian Countries with the Shortest Names | 0 | - | 4.97 | 135,012 |
| American Countries with the Shortest Names | 0 | - | 4.96 | 120,906 |
| Mediterranean Countries with an Empty Map | 0 | - | 4.99 | 104,913 |
| Monarchies of Europe | 0 | - | 4.90 | 97,926 |
| Monarchies of Asia | 0 | - | 4.97 | 70,961 |
| Asian Country Superlatives | 0 | - | 4.84 | 80,762 |
| "Stan" Countries - Map Quiz | 0 | - | 4.98 | 135,239 |
| Countries that Start with A | 0 | - | 4.98 | 2,158,240 |
| Countries that Start with B | 0 | - | 4.95 | 2,290,262 |
| Countries that Start with C | 0 | - | 4.96 | 1,818,670 |
| Countries that Start with D | 0 | - | 4.96 | 707,262 |
| Countries that Start with E | 0 | - | 4.95 | 1,374,436 |
| Countries that Start with G | 0 | - | 4.97 | 1,500,073 |
| Countries that Start with H | 0 | - | 4.96 | 602,785 |
| Countries that Start with I | 0 | - | 4.92 | 1,285,814 |
| Countries that Start with J | 0 | - | 4.98 | 600,632 |
| Countries that Start with K | 0 | - | 4.97 | 813,741 |
| Countries that Start with L | 0 | - | 4.98 | 1,088,563 |
| Countries that Start with N | 0 | - | 4.93 | 1,115,499 |
| Countries that Start with P | 0 | - | 4.94 | 1,214,017 |
| Countries that Start with S | 0 | - | 4.98 | 1,751,948 |
| Countries that Start with T | 0 | - | 4.90 | 1,008,253 |
| Countries that Start with U | 0 | - | 4.97 | 903,176 |
| Countries that Start with V | 0 | - | 4.98 | 608,247 |
| Countries that Start with F | 0 | - | 4.83 | 616,070 |
| Countries that Start with M | 0 | - | 4.97 | 1,379,261 |
| The Only African Country ... | 0 | - | 4.98 | 128,903 |
| The Only American Country ... | 0 | - | 4.92 | 121,379 |
| African Countries by a Single Clue | 0 | - | 4.92 | 68,048 |
| African Diaspora - Top 10 Countries | 0 | - | 4.92 | 72,620 |
| European Diaspora - Top 11 Countries | 0 | - | 4.90 | 95,647 |
| 10 European Countries with the Most Tourists | 0 | - | 4.98 | 137,214 |
| 10 Asian Countries with the Most Tourists | 0 | - | 4.89 | 105,745 |
| European Countries with One Border | 0 | - | 4.97 | 182,474 |
| European Countries with the Fewest Borders | 0 | - | 4.97 | 179,284 |
| Countries Closest to Africa | 0 | - | 4.96 | 156,963 |
| Boxing Countries | 0 | - | 4.26 | 31,321 |
| World Geography on a Map #1 | 0 | - | 4.94 | 73,481 |
| Countries Losing the Most Population by 2070 | 0 | - | 4.40 | 84,403 |
| Countries With More Than 100 Million People | 0 | - | 4.99 | 165,611 |
| Top 15 Most Populous Countries Ending in "IA" | 0 | - | 4.77 | 115,477 |
| Five Most Populated Countries by Hemisphere | 0 | - | 4.97 | 123,836 |
| Biggest Countries by Population - Shape Quiz | 0 | - | 4.91 | 57,302 |
| Big 4 Sports Championship Cities | 0 | - | 4.43 | 119,914 |
| World Capitals Quiz | 0 | - | 5.00 | 5,061,484 |
| Sahara Desert Countries | 0 | - | 4.98 | 162,731 |
| Himalayan Countries | 0 | - | 4.94 | 137,196 |
| Andean Countries | 0 | - | 4.95 | 83,806 |
| Countries with the Youngest Median Age | 0 | - | 4.97 | 63,055 |
| Countries in the Southern Hemisphere | 0 | - | 4.99 | 124,457 |
| Coffee Producing Countries | 0 | - | 4.83 | 66,744 |
| Countries with Shrinking Populations | 0 | - | 4.94 | 65,276 |
| Danube Countries | 0 | - | 4.97 | 71,603 |
| Countries With an "Ish" Demonym | 0 | - | 4.97 | 116,471 |
| Countries With an "Ese" Demonym | 0 | - | 4.97 | 86,001 |
| Countries with the Worst Passports | 0 | - | 4.94 | 83,555 |
| Countries with the Most Immigrants | 0 | - | 4.90 | 148,622 |
| European Landlocked Countries | 0 | - | 4.99 | 146,714 |
| Partially Recognized Countries | 0 | - | 4.98 | 106,053 |
| Countries with the Most Species | 0 | - | 4.99 | 102,857 |
| Countries 197 to 205 | 0 | - | 4.89 | 70,191 |
| Tropic of Cancer Countries | 0 | - | 4.97 | 53,410 |
| Tropic of Capricorn Countries | 0 | - | 4.96 | 47,570 |
| UK Immigration by Country | 0 | - | 4.94 | 140,634 |
| Countries that Use the Peso | 0 | - | 4.89 | 59,272 |
| Countries with the Largest Exclusive Economic Zone | 0 | - | 4.90 | 72,942 |
| Countries with a AAA Credit Rating | 0 | - | 4.86 | 57,322 |
| Countries in the Alps | 0 | - | 4.87 | 117,613 |
| Top Five Importing Partners by Country | 0 | - | 4.97 | 95,085 |
| Countries, Capitals, Currencies and Official Languages | 0 | - | 5.00 | 106,281 |
| Biggest Import Partners By Country | 0 | - | 4.99 | 78,378 |
| Southernmost Countries by Continent | 0 | - | 4.98 | 95,933 |
| Northernmost Countries by Continent | 0 | - | 4.98 | 116,037 |
| Countries by Population Growth, 1970–Present | 0 | - | 4.92 | 95,410 |
| Five Biggest Countries by Latitude | 0 | - | 4.97 | 100,220 |
| Five Biggest Countries by Longitude | 0 | - | 4.91 | 53,141 |
| Largest Country by Body of Water | 0 | - | 4.96 | 57,936 |
| Countries with the Most Container Port Traffic | 0 | - | 4.92 | 62,513 |
| Central American Countries | 0 | - | 4.98 | 155,851 |
| Bridge and Tunnel Borders | 0 | - | 4.96 | 53,449 |
| Countries with the Longest Road Networks Quiz | 0 | - | 4.90 | 41,312 |
| Total United States Immigration by Country | 0 | - | 4.91 | 111,290 |
| Countries that Touch the Prime Meridian or Equator | 0 | - | 4.88 | 103,888 |
| Biggest Spanish Empire Countries | 0 | - | 4.91 | 115,684 |
| American Countries on the Pacific Coast | 0 | - | 4.80 | 49,192 |
| Arctic Ocean Countries | 0 | - | 4.95 | 79,159 |
| Countries with the Most Grassland | 0 | - | 4.94 | 77,176 |
| All Countries by Area : Four at a Time | 0 | - | 5.00 | 118,093 |
| Countries with the Most Climate Zones | 0 | - | 4.96 | 68,028 |
| Countries that Host the Most Refugees | 0 | - | 4.95 | 59,545 |
| Asian Countries with the Most Christians | 0 | - | 4.85 | 96,975 |
| African Countries with the Most Christians | 0 | - | 4.94 | 75,402 |
| Countries of the World by Similar Area in 90 Seconds | 0 | - | 4.95 | 45,462 |
| All Countries of the World by Area with Hints | 0 | - | 4.97 | 242,164 |
| World Countries - Blind Typing | 0 | - | 5.00 | 107,117 |
| Countries in Their Own Alphabet | 0 | - | 4.95 | 47,960 |
| Largest Countries By Category | 0 | - | 4.97 | 157,559 |
| "Do Not Travel" Countries for U.S. Citizens | 0 | - | 4.97 | 243,113 |
| Countries by Countries | 0 | - | 4.96 | 62,794 |
| Top 10 Biggest Economies in Europe | 0 | - | 4.98 | 198,837 |
| Top 10 Biggest Economies in Africa | 0 | - | 4.99 | 120,269 |
| Top 10 Biggest Economies in Asia | 0 | - | 4.88 | 129,259 |
| Top 10 Biggest Economies in the Americas | 0 | - | 4.94 | 91,869 |
| Countries in Southeast Asia With an Empty Map | 0 | - | 4.97 | 101,285 |
| Countries with the Most Ascents of Mount Everest | 0 | - | 4.95 | 58,106 |
