| Countries of the World Quiz | 0 | - | 5.00 | 41,801,979 |
| Majority Muslim Countries | 0 | - | 4.97 | 317,709 |
| NATO Countries Quiz | 0 | - | 4.98 | 229,441 |
| EU Countries Quiz | 0 | - | 4.99 | 231,490 |
| Countries with the Most Military Troops | 0 | - | 4.95 | 229,413 |
| Countries with Nuclear Weapons | 0 | - | 4.89 | 234,963 |
| Top Five Countries by Religion | 0 | - | 4.91 | 146,330 |
| Countries with the Most Elite Universities | 0 | - | 4.95 | 128,378 |
| Countries with NO Military | 0 | - | 4.97 | 50,919 |
| Countries by Number of Books Published | 0 | - | 4.95 | 64,794 |
| Landlocked Countries Quiz | 0 | - | 4.99 | 334,847 |
| Countries with the Most Christians | 0 | - | 4.93 | 124,551 |
| Countries with the Most Tanks | 0 | - | 4.88 | 76,786 |
| Biggest Export Partners For Every Country | 0 | - | 4.98 | 42,753 |
| Top Oil Reserve Countries | 0 | - | 4.93 | 67,537 |
| Countries by First Two Letters in 90 Seconds | 0 | - | 4.98 | 5,176,972 |
| Least Christian Countries with Exceptions | 0 | - | 4.89 | 74,819 |
| Buddhist Countries | 0 | - | 4.97 | 132,428 |
| Countries with the Most Millionaires | 0 | - | 4.85 | 86,337 |
| Countries of Europe Quiz | 0 | - | 5.00 | 3,232,125 |
| Members of the Arab League | 0 | - | 4.86 | 66,479 |
| Sahara Desert Countries | 0 | - | 4.97 | 130,642 |
| Himalayan Countries | 0 | - | 4.94 | 108,594 |
| Andean Countries | 0 | - | 4.91 | 60,315 |
| Countries with the Oldest Median Age | 0 | - | 4.82 | 61,485 |
| Countries with the Youngest Median Age | 0 | - | 4.98 | 50,916 |
| Countries in the Southern Hemisphere | 0 | - | 4.99 | 104,547 |
| Coffee Producing Countries | 0 | - | 4.82 | 54,890 |
| Countries with Shrinking Populations | 0 | - | 4.93 | 54,317 |
| Danube Countries | 0 | - | 4.96 | 57,262 |
| Countries With an "Ish" Demonym | 0 | - | 4.97 | 92,259 |
| Countries With an "Ese" Demonym | 0 | - | 4.96 | 65,321 |
| Countries with the Best Passports | 0 | - | 4.86 | 72,780 |
| Countries with the Worst Passports | 0 | - | 4.89 | 50,464 |
| Countries with the Most Immigrants | 0 | - | 4.87 | 111,111 |
| European Landlocked Countries | 0 | - | 4.99 | 137,263 |
| Partially Recognized Countries | 0 | - | 4.98 | 90,875 |
| Countries with the Most Species | 0 | - | 4.99 | 90,070 |
| Countries 197 to 205 | 0 | - | 4.87 | 57,412 |
| Tropic of Cancer Countries | 0 | - | 4.96 | 45,046 |
| Tropic of Capricorn Countries | 0 | - | 4.96 | 44,338 |
| Countries Producing the Most Sugarcane | 0 | - | 4.94 | 49,108 |
| Countries that Use the Peso | 0 | - | 4.82 | 46,915 |
| Countries with the Largest Exclusive Economic Zone | 0 | - | 4.88 | 59,152 |
| Countries with a AAA Credit Rating | 0 | - | 4.87 | 49,974 |
| Countries in the Alps | 0 | - | 4.84 | 103,943 |
| Top Five Importing Partners by Country | 0 | - | 4.98 | 86,499 |
| Countries, Capitals, Currencies and Official Languages | 0 | - | 5.00 | 89,673 |
| Biggest Import Partners By Country | 0 | - | 4.99 | 72,329 |
| Southernmost Countries by Continent | 0 | - | 4.98 | 79,430 |
| Northernmost Countries by Continent | 0 | - | 4.97 | 94,953 |
| Countries by Population Growth, 1970–Present | 0 | - | 4.91 | 88,396 |
| Five Biggest Countries by Latitude | 0 | - | 4.97 | 90,599 |
| Five Biggest Countries by Longitude | 0 | - | 4.91 | 46,809 |
| Biggest Country by Body of Water | 0 | - | 4.96 | 45,729 |
| Countries with the Most Container Port Traffic | 0 | - | 4.92 | 55,462 |
| Top 10 Wheat-Producing Countries | 0 | - | 4.88 | 70,227 |
| Bridge and Tunnel Borders | 0 | - | 4.96 | 49,057 |
| Countries with the Longest Road Networks Quiz | 0 | - | 4.90 | 37,049 |
| Countries that Touch the Prime Meridian or Equator | 0 | - | 4.88 | 96,628 |
| Arctic Ocean Countries | 0 | - | 4.93 | 72,723 |
| Countries with the Most Grassland | 0 | - | 4.94 | 70,288 |
| All Countries by Area : Four at a Time | 0 | - | 5.00 | 100,710 |
| Countries with the Most Climate Zones | 0 | - | 4.96 | 61,997 |
| Countries that Host the Most Refugees | 0 | - | 4.94 | 54,096 |
| All Countries of the World by Area with Hints | 0 | - | 4.97 | 202,946 |
| World Countries - Blind Typing | 0 | - | 5.00 | 75,563 |
| Countries in Their Own Alphabet | 0 | - | 4.95 | 42,870 |
| Largest Countries By Category | 0 | - | 4.97 | 146,514 |
| Countries by Countries | 0 | - | 4.95 | 55,668 |
| Country Flags With Only Two Colors | 0 | - | 4.92 | 79,711 |
| Spanish-Speaking Countries | 0 | - | 4.94 | 345,328 |
| Countries with the Most Tourists Quiz | 0 | - | 4.91 | 363,001 |
| Island Countries Quiz | 0 | - | 4.99 | 669,055 |
| Biggest Countries by Area | 0 | - | 5.00 | 948,227 |
| Northernmost Countries | 0 | - | 4.99 | 331,067 |
| Countries of South America | 0 | - | 5.00 | 810,821 |
| Countries of Oceania | 0 | - | 5.00 | 914,627 |
| Countries of Asia Quiz | 0 | - | 5.00 | 1,613,206 |
| Countries that Start with A | 0 | - | 4.98 | 1,977,195 |
| Countries that Start with B | 0 | - | 4.95 | 2,116,238 |
| Countries that Start with C | 0 | - | 4.96 | 1,675,146 |
| Countries that Start with D | 0 | - | 4.96 | 611,355 |
| Countries that Start with E | 0 | - | 4.95 | 1,254,845 |
| Countries that Start with G | 0 | - | 4.97 | 1,374,802 |
| Countries that Start with H | 0 | - | 4.96 | 521,604 |
| Countries that Start with I | 0 | - | 4.92 | 1,182,498 |
| Countries that Start with J | 0 | - | 4.98 | 523,867 |
| Countries that Start with K | 0 | - | 4.96 | 729,927 |
| Countries that Start with L | 0 | - | 4.98 | 990,297 |
| Countries that Start with N | 0 | - | 4.93 | 1,016,586 |
| Countries that Start with P | 0 | - | 4.95 | 1,118,824 |
| Countries that Start with S | 0 | - | 4.98 | 1,628,702 |
| Countries that Start with T | 0 | - | 4.89 | 927,435 |
| Countries that Start with U | 0 | - | 4.96 | 835,569 |
| Countries that Start with V | 0 | - | 4.98 | 559,451 |
| Countries that Start with F | 0 | - | 4.84 | 550,173 |
| Countries that Start with M | 0 | - | 4.97 | 1,273,785 |
| Catholic Countries Quiz | 0 | - | 4.82 | 200,106 |
| Countries with the Most Catholics | 0 | - | 4.91 | 95,744 |
| Orthodox Countries | 0 | - | 4.91 | 119,518 |
| Richest Island Countries | 0 | - | 4.86 | 89,658 |
| Monarchies of Europe | 0 | - | 4.89 | 88,278 |
| Monarchies of Asia | 0 | - | 4.95 | 54,840 |
| World Countries by 10 Category Elimination #1 | 0 | - | 4.96 | 108,249 |
| Countries with the Most Billionaires | 0 | - | 4.93 | 285,337 |
| Countries with the Most Muslims | 0 | - | 4.95 | 146,920 |
| Countries with the Most Exports | 0 | - | 4.96 | 140,679 |
| Top Crude Oil Producing Countries | 0 | - | 4.90 | 174,487 |
| Countries by Oil Consumption | 0 | - | 4.96 | 112,745 |
| Largest Economies in 2050 | 0 | - | 4.89 | 101,525 |
| Richest Countries by Per-Capita GDP | 0 | - | 4.96 | 242,373 |
| Countries With Highest GDP as a Percent of Continent | 0 | - | 4.96 | 91,639 |
| Countries with the Highest GDP per Square Kilometer | 0 | - | 4.86 | 68,138 |
| Five Countries with Most Christians by Continent | 0 | - | 4.99 | 100,420 |
| Five Biggest Economies by Continent | 0 | - | 4.98 | 179,608 |
| Most Visited Countries by JetPunkers | 0 | - | 4.85 | 77,897 |
| Countries More Populous Than Their Neighbors | 0 | - | 4.99 | 129,162 |
| Countries with Megacities | 0 | - | 4.99 | 202,024 |
| Countries With More than 50 Million People | 0 | - | 4.99 | 175,526 |
| Countries with the Most Population Growth by Decade | 0 | - | 4.97 | 100,035 |
| Countries With More than 200 Million People | 0 | - | 4.94 | 98,343 |
| Countries Less Populous Than Their Neighbors | 0 | - | 4.97 | 65,965 |
| Top 50 Countries by Population - In Order | 0 | - | 4.97 | 253,280 |
| Countries by Official Language | 0 | - | 4.96 | 175,344 |
| Countries with the Most Speakers of These Languages | 0 | - | 4.92 | 253,673 |
| Countries in their Native Language | 0 | - | 4.98 | 180,709 |
| Independence from Whom | 0 | - | 4.99 | 189,521 |
| Subdivisions by Country | 0 | - | 4.84 | 46,923 |
| Who Controlled These Colonies? | 0 | - | 4.89 | 115,739 |
| Megadiverse Countries | 0 | - | 4.96 | 126,850 |
| Countries With the Most English Speakers | 0 | - | 4.87 | 94,037 |
| Countries with Multiple Big Islands | 0 | - | 4.93 | 107,623 |
| Most Desired Destinations for Potential Migrants | 0 | - | 4.82 | 47,851 |
| 15 Biggest Island Countries | 0 | - | 4.99 | 133,413 |
| Most Recently-Settled Countries | 0 | - | 4.92 | 49,923 |
| Countries of the World in 1938 Quiz | 0 | - | 4.96 | 79,715 |
| Countries Bigger Than Their Neighbors | 0 | - | 4.95 | 146,067 |
| Countries with Multiple Populous Islands | 0 | - | 4.91 | 77,754 |
| Countries in Relation to Cities #1 | 0 | - | 4.92 | 41,870 |
| Countries by Sports League Revenue | 0 | - | 4.89 | 45,119 |
| Landmarks of Countries #1 | 0 | - | 4.89 | 102,291 |
| Countries Furthest from the United States | 0 | - | 4.94 | 72,977 |
| Countries with the Highest HDI | 0 | - | 4.95 | 131,522 |
| Top 10 Biggest Economies in the Americas | 0 | - | 4.94 | 83,112 |
| Richest Countries A-Z | 0 | - | 4.92 | 90,243 |
| Large Countries with Small Economies | 0 | - | 4.94 | 74,524 |
| Smallest Countries with at Least One Border | 0 | - | 4.90 | 82,789 |
| Southernmost Countries of the World | 0 | - | 4.99 | 209,873 |
| Countries by Inland Surface Water | 0 | - | 4.94 | 92,889 |
| Top 20 Motor Vehicle Producing Countries | 0 | - | 4.91 | 110,242 |
| Countries With the Most Languages | 0 | - | 4.90 | 177,916 |
| Countries with the Highest Population Under Age 15 | 0 | - | 4.93 | 88,733 |
| Countries with the Highest Population 65 and Older | 0 | - | 4.86 | 73,128 |
| Countries with the Most Prisoners | 0 | - | 4.93 | 88,366 |
| Countries with the Most Domestic Camels | 0 | - | 4.92 | 55,142 |
| Tallest Countries North to South | 0 | - | 4.85 | 111,634 |
| Widest Countries East to West | 0 | - | 4.93 | 120,607 |
| Countries with the Highest Average Elevation | 0 | - | 4.98 | 69,134 |
| Largest Countries by Area or Population | 0 | - | 5.00 | 160,617 |
| Countries with the Longest Perimeter | 0 | - | 4.81 | 72,864 |
| Countries with the Most Area in the Southern Hemisphere | 0 | - | 4.99 | 93,440 |
| Most Populous Countries as a Percent of Their Continent | 0 | - | 4.97 | 86,900 |
| Largest Countries as a Percent of Continent | 0 | - | 4.97 | 120,700 |
| Countries with the Most Desert | 0 | - | 4.92 | 106,531 |
| Countries by Contribution to UN Budget | 0 | - | 4.87 | 66,812 |
| Countries with Most Nobel Laureates per Capita | 0 | - | 4.83 | 32,429 |
| Countries with Double Letters | 0 | - | 4.96 | 72,129 |
| Countries that End in N | 0 | - | 4.94 | 136,388 |
| Countries with Five Letters Quiz | 0 | - | 4.97 | 234,183 |
| Countries with Six Letters Quiz | 0 | - | 4.95 | 190,852 |
| Countries with W | 0 | - | 4.96 | 125,941 |
| Countries with Z | 0 | - | 4.98 | 264,946 |
| Countries with Letters Missing | 0 | - | 4.97 | 169,846 |
| Countries That End in U | 0 | - | 4.95 | 109,556 |
| Top 20 Longest One-Word Country Names | 0 | - | 4.97 | 92,585 |
| Countries that End in O | 0 | - | 4.92 | 148,786 |
| Countries that End in R | 0 | - | 4.85 | 97,398 |
| Country Names Created by Only 4 Letters | 0 | - | 4.99 | 148,355 |
| Countries Ending in "IA" | 0 | - | 4.99 | 174,359 |
| Countries by First and Last Letter #1 | 0 | - | 4.98 | 157,799 |
| Countries by Last Two Letters | 0 | - | 4.90 | 117,758 |
| Countries by First and Last Letter #2 | 0 | - | 4.95 | 130,693 |
| Countries That End in Y | 0 | - | 4.91 | 173,937 |
| Countries Based on First Two Letters #1 | 0 | - | 4.99 | 163,077 |
| Countries with Cardinal Directions in Their Names | 0 | - | 4.91 | 122,455 |
| Countries that End in I | 0 | - | 4.92 | 115,254 |
| Countries Based on First Two Letters #2 | 0 | - | 4.98 | 151,714 |
| Countries by Initial Letter and Length #1 | 0 | - | 4.98 | 89,421 |
| Countries That End in NIA | 0 | - | 4.92 | 101,864 |
| Countries That End in BIA | 0 | - | 4.91 | 127,371 |
| Countries by Initial Letter and Continent #1 | 0 | - | 4.94 | 155,230 |
| Countries Whose Names Start with Saint | 0 | - | 4.87 | 111,027 |
| Countries That End in RIA | 0 | - | 4.90 | 101,933 |
| Most Common Words in Official Country Names | 0 | - | 4.86 | 101,823 |
| Divided Country Name Puzzle #1 | 0 | - | 4.99 | 204,744 |
| Divided Country Name Puzzle #2 | 0 | - | 4.99 | 121,692 |
| Divided Country Name Puzzle #3 | 0 | - | 4.92 | 112,840 |
| Groups of Countries that Start with the Same 3 Letters | 0 | - | 4.99 | 79,387 |
| Countries With One Word and Three A's | 0 | - | 4.87 | 31,954 |
