| NATO Countries Quiz | 0 | - | 4.98 | 223,220 |
| EU Countries Quiz | 0 | - | 4.99 | 225,760 |
| Countries with the Most Military Troops | 0 | - | 4.94 | 223,829 |
| Countries with Nuclear Weapons | 0 | - | 4.89 | 215,584 |
| Top Five Countries by Religion | 0 | - | 4.90 | 139,469 |
| Countries with the Most Elite Universities | 0 | - | 4.93 | 98,170 |
| Countries with NO Military | 0 | - | 4.96 | 48,455 |
| Countries by Number of Books Published | 0 | - | 4.95 | 62,814 |
| Countries of the World Quiz | 0 | - | 5.00 | 40,393,805 |
| Landlocked Countries Quiz | 0 | - | 4.99 | 316,670 |
| Countries by First Two Letters in 90 Seconds | 0 | - | 4.98 | 5,010,106 |
| Majority Muslim Countries | 0 | - | 4.97 | 311,353 |
| Countries on the Equator | 0 | - | 4.82 | 131,892 |
| Members of the Arab League | 0 | - | 4.81 | 58,887 |
| Sahara Desert Countries | 0 | - | 4.97 | 124,938 |
| Himalayan Countries | 0 | - | 4.95 | 102,239 |
| Andean Countries | 0 | - | 4.90 | 56,791 |
| Countries with the Oldest Median Age | 0 | - | 4.85 | 57,611 |
| Countries with the Youngest Median Age | 0 | - | 4.98 | 48,504 |
| Countries in the Southern Hemisphere | 0 | - | 4.99 | 101,802 |
| Coffee Producing Countries | 0 | - | 4.82 | 53,469 |
| Countries with Shrinking Populations | 0 | - | 4.93 | 52,663 |
| Danube Countries | 0 | - | 4.97 | 56,326 |
| Countries With an "Ish" Demonym | 0 | - | 4.97 | 91,350 |
| Countries With an "Ese" Demonym | 0 | - | 4.96 | 64,560 |
| Countries with the Best Passports | 0 | - | 4.86 | 70,201 |
| Countries with the Worst Passports | 0 | - | 4.86 | 48,713 |
| Countries with the Most Immigrants | 0 | - | 4.87 | 108,301 |
| European Landlocked Countries | 0 | - | 4.99 | 114,797 |
| Partially Recognized Countries | 0 | - | 4.98 | 88,669 |
| Countries with the Most Species | 0 | - | 4.99 | 89,061 |
| Countries 197 to 205 | 0 | - | 4.87 | 55,729 |
| Tropic of Cancer Countries | 0 | - | 4.96 | 44,406 |
| Tropic of Capricorn Countries | 0 | - | 4.96 | 43,778 |
| Countries Producing the Most Sugarcane | 0 | - | 4.94 | 47,699 |
| Countries that Use the Peso | 0 | - | 4.81 | 46,068 |
| Countries with the Largest Exclusive Economic Zone | 0 | - | 4.87 | 58,421 |
| Countries with a AAA Credit Rating | 0 | - | 4.89 | 48,623 |
| Countries in the Alps | 0 | - | 4.82 | 101,714 |
| Top Five Importing Partners by Country | 0 | - | 4.98 | 84,530 |
| Countries, Capitals, Currencies and Official Languages | 0 | - | 5.00 | 85,613 |
| Biggest Import Partners By Country | 0 | - | 4.99 | 71,076 |
| Southernmost Countries by Continent | 0 | - | 4.98 | 77,641 |
| Northernmost Countries by Continent | 0 | - | 4.97 | 93,283 |
| Countries by Population Growth, 1970–Present | 0 | - | 4.91 | 86,799 |
| Five Biggest Countries by Latitude | 0 | - | 4.97 | 88,979 |
| Five Biggest Countries by Longitude | 0 | - | 4.91 | 45,708 |
| Biggest Country by Body of Water | 0 | - | 4.96 | 45,030 |
| Countries with the Most Christians | 0 | - | 4.93 | 105,884 |
| Countries with the Most Container Port Traffic | 0 | - | 4.92 | 54,085 |
| Top 10 Wheat-Producing Countries | 0 | - | 4.88 | 68,848 |
| Bridge and Tunnel Borders | 0 | - | 4.96 | 48,303 |
| Countries with the Longest Road Networks Quiz | 0 | - | 4.90 | 36,377 |
| Countries that Touch the Prime Meridian or Equator | 0 | - | 4.88 | 94,875 |
| Arctic Ocean Countries | 0 | - | 4.93 | 71,441 |
| Countries with the Most Grassland | 0 | - | 4.93 | 68,905 |
| All Countries by Area : Four at a Time | 0 | - | 5.00 | 96,395 |
| Countries with the Most Climate Zones | 0 | - | 4.97 | 60,905 |
| Countries that Host the Most Refugees | 0 | - | 4.93 | 52,891 |
| All Countries of the World by Area with Hints | 0 | - | 4.97 | 192,210 |
| World Countries - Blind Typing | 0 | - | 5.00 | 71,132 |
| Countries in Their Own Alphabet | 0 | - | 4.95 | 41,905 |
| Countries with the Most Tanks | 0 | - | 4.89 | 74,560 |
| Biggest Export Partners For Every Country | 0 | - | 4.98 | 40,385 |
| Top Oil Reserve Countries | 0 | - | 4.93 | 65,596 |
| Largest Countries By Category | 0 | - | 4.96 | 143,752 |
| Countries by Countries | 0 | - | 4.96 | 53,989 |
| Least Christian Countries with Exceptions | 0 | - | 4.89 | 71,354 |
| Buddhist Countries | 0 | - | 4.96 | 130,014 |
| Country Flags With Only Two Colors | 0 | - | 4.92 | 77,207 |
| Countries with the Most Millionaires | 0 | - | 4.83 | 81,915 |
| Spanish-Speaking Countries | 0 | - | 4.94 | 338,225 |
| Countries with the Most Tourists Quiz | 0 | - | 4.92 | 351,201 |
| Island Countries Quiz | 0 | - | 4.99 | 637,673 |
| Biggest Countries by Area | 0 | - | 5.00 | 923,638 |
| Northernmost Countries | 0 | - | 4.99 | 325,080 |
| Countries of South America | 0 | - | 5.00 | 782,364 |
| Countries of Oceania | 0 | - | 5.00 | 880,335 |
| Countries of Europe Quiz | 0 | - | 5.00 | 3,102,318 |
| Countries of Asia Quiz | 0 | - | 5.00 | 1,548,409 |
| Countries with the Most Catholics | 0 | - | 4.91 | 91,745 |
| Orthodox Countries | 0 | - | 4.91 | 115,909 |
| Monarchies of Europe | 0 | - | 4.88 | 86,153 |
| Monarchies of Asia | 0 | - | 4.95 | 53,549 |
| World Countries by 10 Category Elimination #1 | 0 | - | 4.95 | 104,578 |
| Countries with the Most Billionaires | 0 | - | 4.94 | 278,439 |
| Countries with the Most Muslims | 0 | - | 4.92 | 130,539 |
| Countries with the Most Exports | 0 | - | 4.96 | 121,871 |
| Top Crude Oil Producing Countries | 0 | - | 4.86 | 155,316 |
| Countries by Oil Consumption | 0 | - | 4.96 | 110,415 |
| Largest Economies in 2050 | 0 | - | 4.90 | 98,136 |
| Richest Countries by Per-Capita GDP | 0 | - | 4.96 | 236,678 |
| Countries With Highest GDP as a Percent of Continent | 0 | - | 4.94 | 71,385 |
| Countries with the Highest GDP per Square Kilometer | 0 | - | 4.86 | 60,007 |
| Countries that Start with A | 0 | - | 4.98 | 1,924,291 |
| Countries that Start with B | 0 | - | 4.96 | 2,062,918 |
| Countries that Start with C | 0 | - | 4.96 | 1,630,569 |
| Countries that Start with D | 0 | - | 4.96 | 582,877 |
| Countries that Start with E | 0 | - | 4.95 | 1,219,215 |
| Countries that Start with G | 0 | - | 4.97 | 1,338,575 |
| Countries that Start with H | 0 | - | 4.95 | 496,996 |
| Countries that Start with I | 0 | - | 4.92 | 1,150,380 |
| Countries that Start with J | 0 | - | 4.98 | 500,673 |
| Countries that Start with K | 0 | - | 4.97 | 703,215 |
| Countries that Start with L | 0 | - | 4.98 | 961,258 |
| Countries that Start with N | 0 | - | 4.92 | 987,673 |
| Countries that Start with P | 0 | - | 4.94 | 1,090,682 |
| Countries that Start with S | 0 | - | 4.98 | 1,591,161 |
| Countries that Start with T | 0 | - | 4.88 | 900,707 |
| Countries that Start with U | 0 | - | 4.96 | 813,532 |
| Countries that Start with V | 0 | - | 4.98 | 545,032 |
| Countries that Start with F | 0 | - | 4.83 | 530,249 |
| Countries that Start with M | 0 | - | 4.97 | 1,243,148 |
| Five Countries with Most Christians by Continent | 0 | - | 4.99 | 96,914 |
| Five Biggest Economies by Continent | 0 | - | 4.98 | 160,204 |
| Most Visited Countries by JetPunkers | 0 | - | 4.85 | 75,623 |
| Countries More Populous Than Their Neighbors | 0 | - | 4.99 | 123,949 |
| Countries with Megacities | 0 | - | 4.99 | 194,426 |
| Countries With More than 50 Million People | 0 | - | 4.99 | 169,170 |
| Countries with the Most Population Growth by Decade | 0 | - | 4.97 | 96,718 |
| Countries With More than 200 Million People | 0 | - | 4.93 | 93,495 |
| Countries Less Populous Than Their Neighbors | 0 | - | 4.97 | 62,586 |
| Top 50 Countries by Population - In Order | 0 | - | 4.97 | 244,701 |
| Countries by Official Language | 0 | - | 4.95 | 153,303 |
| Countries with the Most Speakers of These Languages | 0 | - | 4.91 | 246,297 |
| Countries in their Native Language | 0 | - | 4.98 | 176,809 |
| Independence from Whom | 0 | - | 4.99 | 182,682 |
| Subdivisions by Country | 0 | - | 4.82 | 46,148 |
| Who Controlled These Colonies? | 0 | - | 4.88 | 111,716 |
| Megadiverse Countries | 0 | - | 4.96 | 124,643 |
| Countries With the Most English Speakers | 0 | - | 4.87 | 89,769 |
| Countries with Multiple Big Islands | 0 | - | 4.92 | 105,923 |
| Most Desired Destinations for Potential Migrants | 0 | - | 4.82 | 47,084 |
| 15 Biggest Island Countries | 0 | - | 4.99 | 129,714 |
| Most Recently-Settled Countries | 0 | - | 4.91 | 48,560 |
| Countries of the World in 1938 Quiz | 0 | - | 4.96 | 76,456 |
| Countries Bigger Than Their Neighbors | 0 | - | 4.95 | 144,238 |
| Countries with Multiple Populous Islands | 0 | - | 4.91 | 76,433 |
| Countries in Relation to Cities #1 | 0 | - | 4.92 | 40,940 |
| Countries by Sports League Revenue | 0 | - | 4.87 | 42,729 |
| Landmarks of Countries #1 | 0 | - | 4.89 | 100,749 |
| Countries Furthest from the United States | 0 | - | 4.94 | 71,288 |
| Countries with the Highest HDI | 0 | - | 4.95 | 130,457 |
| Smallest Countries with at Least One Border | 0 | - | 4.91 | 80,654 |
| Southernmost Countries of the World | 0 | - | 4.99 | 205,152 |
| Countries by Inland Surface Water | 0 | - | 4.94 | 90,001 |
| Top 20 Motor Vehicle Producing Countries | 0 | - | 4.90 | 106,942 |
| Countries With the Most Languages | 0 | - | 4.90 | 171,310 |
| Countries with the Highest Population Under Age 15 | 0 | - | 4.92 | 86,486 |
| Countries with the Highest Population 65 and Older | 0 | - | 4.85 | 70,772 |
| Countries with the Most Prisoners | 0 | - | 4.93 | 85,330 |
| Countries with the Most Domestic Camels | 0 | - | 4.92 | 53,208 |
| Tallest Countries North to South | 0 | - | 4.84 | 109,744 |
| Widest Countries East to West | 0 | - | 4.93 | 118,449 |
| Countries with the Highest Average Elevation | 0 | - | 4.98 | 68,661 |
| Largest Countries by Area or Population | 0 | - | 5.00 | 157,772 |
| Countries with the Most Area in the Southern Hemisphere | 0 | - | 4.99 | 92,063 |
| Most Populous Countries as a Percent of Their Continent | 0 | - | 4.96 | 84,701 |
| Largest Countries as a Percent of Continent | 0 | - | 4.97 | 117,557 |
| Countries with the Most Desert | 0 | - | 4.92 | 104,430 |
| Countries by Contribution to UN Budget | 0 | - | 4.87 | 66,234 |
| Countries with Most Nobel Laureates per Capita | 0 | - | 4.83 | 31,822 |
| Countries with Double Letters | 0 | - | 4.96 | 66,424 |
| Countries that End in N | 0 | - | 4.94 | 130,806 |
| Countries with Five Letters Quiz | 0 | - | 4.96 | 227,311 |
| Countries with Six Letters Quiz | 0 | - | 4.95 | 185,148 |
| Countries with W | 0 | - | 4.97 | 121,113 |
| Countries with Z | 0 | - | 4.98 | 241,775 |
| Countries with Letters Missing | 0 | - | 4.97 | 154,283 |
| Countries That End in U | 0 | - | 4.94 | 106,576 |
| Top 20 Longest One-Word Country Names | 0 | - | 4.96 | 87,987 |
| Countries that End in O | 0 | - | 4.92 | 146,211 |
| Countries that End in R | 0 | - | 4.85 | 95,992 |
| Country Names Created by Only 4 Letters | 0 | - | 4.99 | 146,766 |
| Countries Ending in "IA" | 0 | - | 4.99 | 169,321 |
| Countries by First and Last Letter #1 | 0 | - | 4.98 | 154,738 |
| Countries by Last Two Letters | 0 | - | 4.90 | 115,476 |
| Countries by First and Last Letter #2 | 0 | - | 4.95 | 128,406 |
| Countries That End in Y | 0 | - | 4.90 | 160,729 |
| Countries Based on First Two Letters #1 | 0 | - | 4.99 | 159,483 |
| Countries with Cardinal Directions in Their Names | 0 | - | 4.91 | 119,682 |
| Countries that End in I | 0 | - | 4.92 | 114,098 |
| Countries Based on First Two Letters #2 | 0 | - | 4.98 | 148,269 |
| Countries by Initial Letter and Length #1 | 0 | - | 4.98 | 87,743 |
| Countries That End in NIA | 0 | - | 4.93 | 100,244 |
| Countries That End in BIA | 0 | - | 4.91 | 125,225 |
| Countries by Initial Letter and Continent #1 | 0 | - | 4.93 | 152,270 |
| Countries Whose Names Start with Saint | 0 | - | 4.88 | 108,944 |
| Countries That End in RIA | 0 | - | 4.89 | 100,398 |
| Most Common Words in Official Country Names | 0 | - | 4.85 | 99,650 |
| Divided Country Name Puzzle #1 | 0 | - | 4.99 | 198,402 |
| Divided Country Name Puzzle #2 | 0 | - | 4.99 | 118,499 |
| Divided Country Name Puzzle #3 | 0 | - | 4.92 | 109,297 |
| Groups of Countries that Start with the Same 3 Letters | 0 | - | 4.99 | 76,222 |
| Countries that are Free from U.S.A. | 0 | - | 4.89 | 42,302 |
| Countries Containing Two or More Words | 0 | - | 4.96 | 39,643 |
| Countries that End in L | 0 | - | 4.95 | 133,248 |
| "Land" Countries | 0 | - | 4.98 | 287,697 |
| "Stan" Countries Quiz | 0 | - | 4.97 | 187,632 |
| Countries Ending with "An", but not "Stan" | 0 | - | 4.96 | 65,055 |
