| Olympic Host Countries | 0 | - | 4.98 | 202,196 |
| Ten Highest Ranking FIFA Countries by Year | 0 | - | 4.95 | 314,971 |
| All Countries Never To Qualify For A FIFA World Cup | 0 | - | 4.84 | 53,574 |
| Five Top Olympic Medal-Winning Countries by Continent | 0 | - | 4.96 | 145,353 |
| Top 50 Countries by Population - In Order | 0 | - | 4.98 | 336,586 |
| Countries More Populous Than Their Neighbors | 0 | - | 4.99 | 175,490 |
| Countries with Megacities | 0 | - | 4.99 | 267,830 |
| Countries With More than 50 Million People | 0 | - | 4.99 | 201,138 |
| Countries with the Most Population Growth by Decade | 0 | - | 4.98 | 114,335 |
| Countries With More than 200 Million People | 0 | - | 4.95 | 139,467 |
| Countries Less Populous Than Their Neighbors | 0 | - | 4.96 | 82,431 |
| Countries with the Most Downhill Skiing | 0 | - | 4.89 | 57,761 |
| Biggest Countries by Population | 0 | - | 5.00 | 1,455,981 |
| Smallest Countries by Population and Area | 0 | - | 4.99 | 382,966 |
| Countries with Most Grand Slam Tennis Titles | 0 | - | 4.42 | 58,135 |
| Countries with Major League Baseball Players | 0 | - | 4.62 | 68,449 |
| Countries with the Fastest Marathoners | 0 | - | 4.51 | 96,063 |
| Countries with the Most Golf Courses | 0 | - | 4.55 | 56,878 |
| Countries Where Baseball is the Most Popular Sport | 0 | - | 4.42 | 55,561 |
| Countries that Export the Most Football Players | 0 | - | 4.43 | 59,634 |
| Countries with the Fastest 100 Meter Sprinters | 0 | - | 4.44 | 86,741 |
| Five Most Densely Populated Countries by Continent | 0 | - | 4.96 | 87,463 |
| Five Most Populated Countries by Continent | 0 | - | 4.99 | 269,514 |
| Most Populous Countries with Exceptions | 0 | - | 4.98 | 122,813 |
| Top 10 Most Densely-Populated Countries in Europe | 0 | - | 4.98 | 112,992 |
| Five Least Densely Populated Countries by Continent | 0 | - | 4.91 | 94,358 |
| North American Sports Cities | 0 | - | 4.82 | 173,289 |
| Summer Olympic City Bids | 0 | - | 4.94 | 42,601 |
| Countries That Use the Euro | 0 | - | 4.95 | 107,186 |
| Landlocked Countries in Africa | 0 | - | 4.99 | 48,239 |
| 10 Easternmost Countries in Europe | 0 | - | 4.87 | 117,466 |
| The Only European Country ... | 0 | - | 4.91 | 219,536 |
| Mediterranean Countries Quiz | 0 | - | 4.99 | 214,310 |
| European Countries NOT in NATO | 0 | - | 4.91 | 62,803 |
| Countries with Territorial Claims in Antarctica | 0 | - | 4.94 | 92,982 |
| Countries of Africa | 0 | - | 5.00 | 2,564,379 |
| Countries With The Most NHL Hockey Players | 0 | - | 4.48 | 101,474 |
| Countries With the Most NBA Players | 0 | - | 4.47 | 119,027 |
| Top 10 Countries with the Most Registered Soccer Players | 0 | - | 4.13 | 72,684 |
| Countries with the Most Summer Olympics Medals | 0 | - | 4.55 | 93,566 |
| Boundary Waters | 0 | - | 4.92 | 88,832 |
| Countries Along the Afro-Eurasia Coast | 0 | - | 4.88 | 35,465 |
| The Same Suffixes - Geography | 0 | - | 4.98 | 96,834 |
| Countries of Europe by Population | 0 | - | 4.98 | 183,605 |
| Most Populous Countries by Year | 0 | - | 4.83 | 111,606 |
| Most Populated Countries Bordering the Pacific Ocean | 0 | - | 4.97 | 95,972 |
| Most Populous Countries Bordering Each Other | 0 | - | 4.97 | 131,566 |
| Countries with the Most People Bordering Them | 0 | - | 4.98 | 108,851 |
| Most Populous Countries in 2050 | 0 | - | 4.91 | 224,022 |
| First Countries to Reach 5 Million People | 0 | - | 4.93 | 136,011 |
| Most Populous Modern-Day Countries in 1000 AD | 0 | - | 4.88 | 76,607 |
| Most Populous Modern-Day Countries in 1 AD | 0 | - | 4.98 | 93,278 |
| Most Populous Modern-Day Countries in 1800 AD | 0 | - | 4.93 | 67,571 |
| Most Populous Modern-Day Countries in 1500 AD | 0 | - | 4.93 | 73,922 |
| Summer Olympics Host Cities | 0 | - | 4.98 | 216,770 |
| Top 10 Languages Spoken in Europe | 0 | - | 4.96 | 221,220 |
| Countries of the Middle East | 0 | - | 4.96 | 203,243 |
| Countries with Territory in the Balkans | 0 | - | 4.96 | 90,352 |
| Slavic Countries | 0 | - | 4.96 | 112,493 |
| African Island Countries | 0 | - | 4.96 | 102,725 |
| Countries with the Highest Population Density | 0 | - | 4.94 | 165,803 |
| Countries with the Lowest Population Density | 0 | - | 4.98 | 171,159 |
| Countries of Asia with Two or More Words | 0 | - | 4.96 | 127,995 |
| Asian Countries Ending in "IA" | 0 | - | 4.96 | 108,472 |
| African Countries with the Shortest Names | 0 | - | 4.98 | 154,946 |
| Top 10 Biggest African Countries by Area | 0 | - | 4.99 | 219,136 |
| 10 Biggest European Countries by Area | 0 | - | 4.99 | 193,762 |
| 10 Biggest Asian Countries by Area | 0 | - | 4.97 | 154,714 |
| 10 Biggest American Countries by Area | 0 | - | 4.95 | 113,073 |
| Top 10 Most Populous American Countries | 0 | - | 4.96 | 144,964 |
| 10 Westernmost Countries in Europe | 0 | - | 4.96 | 152,520 |
| 10 Southernmost Countries in Africa | 0 | - | 4.98 | 118,050 |
| 10 Northernmost Countries in Africa | 0 | - | 4.98 | 162,678 |
| 10 Southernmost Countries in Asia | 0 | - | 4.97 | 100,070 |
| 10 Easternmost Countries in Asia | 0 | - | 4.99 | 109,308 |
| Top 10 Smallest African Countries by Area | 0 | - | 4.95 | 47,428 |
| Countries of Europe - One Minute Sprint | 0 | - | 4.94 | 1,337,048 |
| Countries of North America Quiz | 0 | - | 5.00 | 1,033,162 |
| Countries by Population Decrease | 0 | - | 4.46 | 50,017 |
| Countries Gaining the Most Population by 2070 | 0 | - | 4.63 | 64,543 |
| Five Most Inland Capital Cities by Continent | 0 | - | 4.92 | 13,790 |
| 10 Easternmost Countries in Africa | 0 | - | 4.98 | 25,246 |
| All-Time Winter Olympics Medal Table | 0 | - | 4.46 | 178,643 |
| Athletes by Country Quiz #1 | 0 | - | 4.36 | 45,463 |
| Highest Fertility Countries | 0 | - | 4.90 | 27,306 |
| Top 10 Most Populous European Countries | 0 | - | 4.97 | 234,902 |
| Top 10 Most Populous Asian Countries | 0 | - | 4.97 | 185,435 |
| Top 10 Most Populous African Countries | 0 | - | 4.99 | 195,270 |
| Top 10 Most Densely-Populated Countries in Asia | 0 | - | 4.92 | 105,085 |
| Top 10 Asian Countries by Population Increase | 0 | - | 4.93 | 108,967 |
| Flags of Countries With More Than 100 Million People | 0 | - | 4.98 | 160,104 |
| Most Populous Countries in 1900 | 0 | - | 4.91 | 174,362 |
| Countries by Capitals and Borders in 90 Seconds | 0 | - | 4.84 | 228,126 |
| Countries of the World Quiz | 0 | - | 5.00 | 47,966,776 |
| Landlocked Countries | 0 | - | 4.99 | 427,217 |
| Countries Formerly in Yugoslavia | 0 | - | 4.95 | 125,571 |
| Asian Countries with the Shortest Names | 0 | - | 4.97 | 136,269 |
| American Countries with the Shortest Names | 0 | - | 4.97 | 121,767 |
| Mediterranean Countries with an Empty Map | 0 | - | 4.99 | 105,609 |
| Monarchies of Europe | 0 | - | 4.90 | 99,022 |
| Monarchies of Asia | 0 | - | 4.97 | 71,600 |
| Asian Country Superlatives | 0 | - | 4.84 | 81,349 |
| "Stan" Countries - Map Quiz | 0 | - | 4.98 | 137,803 |
| Countries that Start with A | 0 | - | 4.98 | 2,178,306 |
| Countries that Start with B | 0 | - | 4.95 | 2,308,914 |
| Countries that Start with C | 0 | - | 4.96 | 1,833,374 |
| Countries that Start with D | 0 | - | 4.96 | 717,751 |
| Countries that Start with E | 0 | - | 4.95 | 1,386,617 |
| Countries that Start with G | 0 | - | 4.97 | 1,513,172 |
| Countries that Start with H | 0 | - | 4.96 | 610,500 |
| Countries that Start with I | 0 | - | 4.92 | 1,295,788 |
| Countries that Start with J | 0 | - | 4.98 | 607,882 |
| Countries that Start with K | 0 | - | 4.97 | 821,709 |
| Countries that Start with L | 0 | - | 4.98 | 1,098,041 |
| Countries that Start with N | 0 | - | 4.93 | 1,125,105 |
| Countries that Start with P | 0 | - | 4.94 | 1,223,269 |
| Countries that Start with S | 0 | - | 4.98 | 1,764,789 |
| Countries that Start with T | 0 | - | 4.90 | 1,015,852 |
| Countries that Start with U | 0 | - | 4.97 | 909,200 |
| Countries that Start with V | 0 | - | 4.98 | 612,531 |
| Countries that Start with F | 0 | - | 4.83 | 621,998 |
| Countries that Start with M | 0 | - | 4.97 | 1,389,565 |
| The Only African Country ... | 0 | - | 4.99 | 129,787 |
| The Only American Country ... | 0 | - | 4.92 | 122,339 |
| African Countries by a Single Clue | 0 | - | 4.92 | 68,442 |
| African Diaspora - Top 10 Countries | 0 | - | 4.93 | 73,557 |
| European Diaspora - Top 11 Countries | 0 | - | 4.88 | 96,974 |
| 10 European Countries with the Most Tourists | 0 | - | 4.98 | 138,711 |
| 10 Asian Countries with the Most Tourists | 0 | - | 4.90 | 107,058 |
| European Countries with One Border | 0 | - | 4.97 | 184,007 |
| European Countries with the Fewest Borders | 0 | - | 4.97 | 180,716 |
| Countries Closest to Africa | 0 | - | 4.96 | 157,977 |
| Boxing Countries | 0 | - | 4.27 | 31,504 |
| World Geography on a Map #1 | 0 | - | 4.94 | 73,989 |
| Countries Losing the Most Population by 2070 | 0 | - | 4.40 | 84,815 |
| Countries With More Than 100 Million People | 0 | - | 4.99 | 167,163 |
| Top 15 Most Populous Countries Ending in "IA" | 0 | - | 4.77 | 116,234 |
| Five Most Populated Countries by Hemisphere | 0 | - | 4.97 | 125,186 |
| Biggest Countries by Population - Shape Quiz | 0 | - | 4.91 | 57,862 |
| Big 4 Sports Championship Cities | 0 | - | 4.43 | 120,968 |
| World Capitals Quiz | 0 | - | 5.00 | 5,113,530 |
| Sahara Desert Countries | 0 | - | 4.98 | 166,899 |
| Himalayan Countries | 0 | - | 4.93 | 140,810 |
| Andean Countries | 0 | - | 4.94 | 85,795 |
| Countries with the Youngest Median Age | 0 | - | 4.97 | 64,911 |
| Countries in the Southern Hemisphere | 0 | - | 4.99 | 127,479 |
| Coffee Producing Countries | 0 | - | 4.83 | 68,460 |
| Countries with Shrinking Populations | 0 | - | 4.94 | 66,686 |
| Danube Countries | 0 | - | 4.97 | 72,549 |
| Countries With an "Ish" Demonym | 0 | - | 4.97 | 117,797 |
| Countries With an "Ese" Demonym | 0 | - | 4.97 | 86,971 |
| Countries with the Worst Passports | 0 | - | 4.93 | 85,433 |
| Countries with the Most Immigrants | 0 | - | 4.90 | 150,910 |
| European Landlocked Countries | 0 | - | 4.99 | 147,736 |
| Partially Recognized Countries | 0 | - | 4.98 | 107,533 |
| Countries with the Most Species | 0 | - | 4.99 | 103,644 |
| Countries 197 to 205 | 0 | - | 4.90 | 71,634 |
| Tropic of Cancer Countries | 0 | - | 4.97 | 53,813 |
| Tropic of Capricorn Countries | 0 | - | 4.96 | 47,952 |
| UK Immigration by Country | 0 | - | 4.94 | 141,882 |
| Countries that Use the Peso | 0 | - | 4.89 | 59,923 |
| Countries with the Largest Exclusive Economic Zone | 0 | - | 4.90 | 73,678 |
| Countries with a AAA Credit Rating | 0 | - | 4.86 | 58,125 |
| Countries in the Alps | 0 | - | 4.87 | 118,968 |
| Top Five Importing Partners by Country | 0 | - | 4.97 | 102,980 |
| Countries, Capitals, Currencies and Official Languages | 0 | - | 5.00 | 108,126 |
| Biggest Import Partners By Country | 0 | - | 4.99 | 79,053 |
| Southernmost Countries by Continent | 0 | - | 4.98 | 97,170 |
| Northernmost Countries by Continent | 0 | - | 4.98 | 117,126 |
| Countries by Population Growth, 1970–Present | 0 | - | 4.92 | 96,389 |
| Five Biggest Countries by Latitude | 0 | - | 4.97 | 101,592 |
| Five Biggest Countries by Longitude | 0 | - | 4.91 | 53,989 |
| Largest Country by Body of Water | 0 | - | 4.96 | 58,512 |
| Countries with the Most Container Port Traffic | 0 | - | 4.92 | 63,311 |
| Central American Countries | 0 | - | 4.98 | 157,528 |
| Caribbean Countries and Territories | 0 | - | 4.81 | 113,690 |
| Bridge and Tunnel Borders | 0 | - | 4.96 | 53,953 |
| Countries with the Longest Road Networks Quiz | 0 | - | 4.91 | 41,829 |
| Total United States Immigration by Country | 0 | - | 4.91 | 112,549 |
| Countries that Touch the Prime Meridian or Equator | 0 | - | 4.88 | 104,670 |
| Biggest Spanish Empire Countries | 0 | - | 4.91 | 117,096 |
| American Countries on the Pacific Coast | 0 | - | 4.80 | 49,410 |
| Arctic Ocean Countries | 0 | - | 4.95 | 79,924 |
| Countries with the Most Grassland | 0 | - | 4.94 | 78,019 |
| All Countries by Area : Four at a Time | 0 | - | 5.00 | 120,144 |
| Countries with the Most Climate Zones | 0 | - | 4.96 | 68,730 |
| Countries that Host the Most Refugees | 0 | - | 4.96 | 76,420 |
| Asian Countries with the Most Christians | 0 | - | 4.86 | 98,126 |
| African Countries with the Most Christians | 0 | - | 4.94 | 76,202 |
| Countries of the World by Similar Area in 90 Seconds | 0 | - | 4.95 | 46,833 |
| All Countries of the World by Area with Hints | 0 | - | 4.97 | 246,288 |
| World Countries - Blind Typing | 0 | - | 5.00 | 109,488 |
| Countries in Their Own Alphabet | 0 | - | 4.95 | 48,614 |
| Largest Countries By Category | 0 | - | 4.97 | 159,084 |
| Countries by Countries | 0 | - | 4.97 | 63,802 |
| Top 10 Biggest Economies in Europe | 0 | - | 4.98 | 200,958 |
| Top 10 Biggest Economies in Africa | 0 | - | 4.99 | 121,478 |
| Top 10 Biggest Economies in Asia | 0 | - | 4.87 | 137,706 |
| Top 10 Biggest Economies in the Americas | 0 | - | 4.94 | 92,942 |
| Countries in Southeast Asia With an Empty Map | 0 | - | 4.97 | 102,140 |
