| Countries of the World Quiz | 0 | - | 5.00 | 43,591,999 |
| Majority Muslim Countries | 0 | - | 4.98 | 326,753 |
| NATO Countries Quiz | 0 | - | 4.98 | 254,829 |
| EU Countries Quiz | 0 | - | 4.99 | 239,608 |
| Countries with the Most Military Troops | 0 | - | 4.95 | 262,612 |
| Countries with Nuclear Weapons | 0 | - | 4.90 | 244,875 |
| Top Five Countries by Religion | 0 | - | 4.91 | 154,751 |
| Countries with the Most Elite Universities | 0 | - | 4.94 | 136,323 |
| Countries with NO Military | 0 | - | 4.96 | 55,015 |
| Countries by Number of Books Published | 0 | - | 4.94 | 67,678 |
| Landlocked Countries Quiz | 0 | - | 4.99 | 372,992 |
| Countries with the Most Christians | 0 | - | 4.92 | 130,758 |
| Countries with the Most Tanks | 0 | - | 4.85 | 80,108 |
| Biggest Export Partners For Every Country | 0 | - | 4.98 | 45,265 |
| Top Oil Reserve Countries | 0 | - | 4.93 | 69,661 |
| Countries by First Two Letters in 90 Seconds | 0 | - | 4.98 | 5,330,674 |
| Least Christian Countries with Exceptions | 0 | - | 4.89 | 79,259 |
| Buddhist Countries | 0 | - | 4.96 | 136,033 |
| Countries with the Most Millionaires | 0 | - | 4.83 | 96,468 |
| Countries of Europe Quiz | 0 | - | 5.00 | 3,403,224 |
| Sahara Desert Countries | 0 | - | 4.98 | 141,051 |
| Himalayan Countries | 0 | - | 4.95 | 118,235 |
| Andean Countries | 0 | - | 4.92 | 66,192 |
| Countries with the Oldest Median Age | 0 | - | 4.83 | 67,297 |
| Countries with the Youngest Median Age | 0 | - | 4.97 | 54,944 |
| Countries in the Southern Hemisphere | 0 | - | 4.99 | 110,108 |
| Coffee Producing Countries | 0 | - | 4.81 | 58,009 |
| Countries with Shrinking Populations | 0 | - | 4.93 | 57,713 |
| Danube Countries | 0 | - | 4.97 | 59,762 |
| Countries With an "Ish" Demonym | 0 | - | 4.97 | 95,434 |
| Countries With an "Ese" Demonym | 0 | - | 4.97 | 80,839 |
| Countries with the Best Passports | 0 | - | 4.81 | 78,032 |
| Countries with the Worst Passports | 0 | - | 4.91 | 60,011 |
| Countries with the Most Immigrants | 0 | - | 4.89 | 134,089 |
| European Landlocked Countries | 0 | - | 4.99 | 139,718 |
| Partially Recognized Countries | 0 | - | 4.98 | 96,165 |
| Countries with the Most Species | 0 | - | 4.99 | 91,625 |
| Countries 197 to 205 | 0 | - | 4.87 | 61,666 |
| Tropic of Cancer Countries | 0 | - | 4.96 | 46,244 |
| Tropic of Capricorn Countries | 0 | - | 4.96 | 45,376 |
| Countries Producing the Most Sugarcane | 0 | - | 4.94 | 51,646 |
| Countries that Use the Peso | 0 | - | 4.83 | 48,823 |
| Countries with the Largest Exclusive Economic Zone | 0 | - | 4.87 | 69,258 |
| Countries with a AAA Credit Rating | 0 | - | 4.86 | 52,682 |
| Countries in the Alps | 0 | - | 4.86 | 108,518 |
| Top Five Importing Partners by Country | 0 | - | 4.97 | 89,592 |
| Countries, Capitals, Currencies and Official Languages | 0 | - | 5.00 | 95,678 |
| Biggest Import Partners By Country | 0 | - | 4.99 | 74,552 |
| Southernmost Countries by Continent | 0 | - | 4.98 | 82,462 |
| Northernmost Countries by Continent | 0 | - | 4.98 | 109,292 |
| Countries by Population Growth, 1970–Present | 0 | - | 4.90 | 91,012 |
| Five Biggest Countries by Latitude | 0 | - | 4.97 | 93,875 |
| Five Biggest Countries by Longitude | 0 | - | 4.90 | 48,987 |
| Biggest Country by Body of Water | 0 | - | 4.95 | 47,318 |
| Countries with the Most Container Port Traffic | 0 | - | 4.91 | 57,873 |
| Top 10 Wheat-Producing Countries | 0 | - | 4.88 | 72,051 |
| Bridge and Tunnel Borders | 0 | - | 4.95 | 50,656 |
| Countries with the Longest Road Networks Quiz | 0 | - | 4.89 | 38,525 |
| Countries that Touch the Prime Meridian or Equator | 0 | - | 4.88 | 99,287 |
| Arctic Ocean Countries | 0 | - | 4.94 | 75,009 |
| Countries with the Most Grassland | 0 | - | 4.93 | 72,624 |
| All Countries by Area : Four at a Time | 0 | - | 5.00 | 106,836 |
| Countries with the Most Climate Zones | 0 | - | 4.96 | 64,077 |
| Countries that Host the Most Refugees | 0 | - | 4.94 | 56,014 |
| All Countries of the World by Area with Hints | 0 | - | 4.97 | 217,543 |
| World Countries - Blind Typing | 0 | - | 5.00 | 82,478 |
| Countries in Their Own Alphabet | 0 | - | 4.96 | 44,375 |
| Largest Countries By Category | 0 | - | 4.97 | 149,912 |
| Countries by Countries | 0 | - | 4.96 | 57,688 |
| Country Flags With Only Two Colors | 0 | - | 4.92 | 82,764 |
| Spanish-Speaking Countries | 0 | - | 4.95 | 356,468 |
| Countries with the Most Tourists Quiz | 0 | - | 4.91 | 377,308 |
| Island Countries Quiz | 0 | - | 4.99 | 685,143 |
| Biggest Countries by Area | 0 | - | 5.00 | 978,764 |
| Northernmost Countries | 0 | - | 4.99 | 339,747 |
| Countries of South America | 0 | - | 5.00 | 847,513 |
| Countries of Oceania | 0 | - | 5.00 | 958,059 |
| Countries of Asia Quiz | 0 | - | 5.00 | 1,695,718 |
| Countries that Start with A | 0 | - | 4.98 | 2,041,188 |
| Countries that Start with B | 0 | - | 4.95 | 2,179,243 |
| Countries that Start with C | 0 | - | 4.96 | 1,727,808 |
| Countries that Start with D | 0 | - | 4.96 | 645,974 |
| Countries that Start with E | 0 | - | 4.95 | 1,298,299 |
| Countries that Start with G | 0 | - | 4.97 | 1,420,112 |
| Countries that Start with H | 0 | - | 4.96 | 550,871 |
| Countries that Start with I | 0 | - | 4.92 | 1,222,609 |
| Countries that Start with J | 0 | - | 4.98 | 551,538 |
| Countries that Start with K | 0 | - | 4.96 | 761,148 |
| Countries that Start with L | 0 | - | 4.98 | 1,026,118 |
| Countries that Start with N | 0 | - | 4.93 | 1,052,874 |
| Countries that Start with P | 0 | - | 4.95 | 1,153,580 |
| Countries that Start with S | 0 | - | 4.98 | 1,673,102 |
| Countries that Start with T | 0 | - | 4.89 | 959,842 |
| Countries that Start with U | 0 | - | 4.97 | 862,146 |
| Countries that Start with V | 0 | - | 4.98 | 576,407 |
| Countries that Start with F | 0 | - | 4.83 | 573,333 |
| Countries that Start with M | 0 | - | 4.97 | 1,312,066 |
| Countries with the Most Catholics | 0 | - | 4.89 | 100,073 |
| Orthodox Countries | 0 | - | 4.91 | 123,353 |
| Richest Island Countries | 0 | - | 4.82 | 93,483 |
| Countries of the World with an Empty Map | 0 | - | 5.00 | 3,223,140 |
| Monarchies of Europe | 0 | - | 4.89 | 92,093 |
| Monarchies of Asia | 0 | - | 4.96 | 67,506 |
| World Countries by 10 Category Elimination #1 | 0 | - | 4.96 | 113,114 |
| Countries with the Most Billionaires | 0 | - | 4.92 | 314,971 |
| Countries with the Most Muslims | 0 | - | 4.94 | 152,029 |
| Countries with the Most Exports | 0 | - | 4.96 | 146,829 |
| Top Crude Oil Producing Countries | 0 | - | 4.90 | 180,148 |
| Countries by Oil Consumption | 0 | - | 4.96 | 115,373 |
| Largest Economies in 2050 | 0 | - | 4.89 | 105,242 |
| Richest Countries by Per-Capita GDP | 0 | - | 4.96 | 248,324 |
| Countries With Highest GDP as a Percent of Continent | 0 | - | 4.96 | 96,233 |
| Countries with the Highest GDP per Square Kilometer | 0 | - | 4.89 | 78,586 |
| Five Countries with Most Christians by Continent | 0 | - | 4.99 | 104,169 |
| Five Biggest Economies by Continent | 0 | - | 4.98 | 185,121 |
| Most Visited Countries by JetPunkers | 0 | - | 4.88 | 108,923 |
| Countries More Populous Than Their Neighbors | 0 | - | 4.99 | 155,022 |
| Countries with Megacities | 0 | - | 4.99 | 213,723 |
| Countries With More than 50 Million People | 0 | - | 4.99 | 183,993 |
| Countries with the Most Population Growth by Decade | 0 | - | 4.97 | 104,752 |
| Countries With More than 200 Million People | 0 | - | 4.95 | 105,207 |
| Countries Less Populous Than Their Neighbors | 0 | - | 4.97 | 71,455 |
| Top 50 Countries by Population - In Order | 0 | - | 4.97 | 265,780 |
| Countries by Official Language | 0 | - | 4.95 | 181,815 |
| Countries with the Most Speakers of These Languages | 0 | - | 4.90 | 278,744 |
| Countries in their Native Language | 0 | - | 4.98 | 186,779 |
| Independence from Whom | 0 | - | 4.99 | 197,266 |
| Subdivisions by Country | 0 | - | 4.86 | 48,122 |
| Who Controlled These Colonies? | 0 | - | 4.89 | 121,759 |
| Megadiverse Countries | 0 | - | 4.96 | 129,750 |
| Countries With the Most English Speakers | 0 | - | 4.90 | 116,388 |
| Countries with Multiple Big Islands | 0 | - | 4.92 | 110,108 |
| Most Desired Destinations for Potential Migrants | 0 | - | 4.83 | 49,057 |
| 15 Biggest Island Countries | 0 | - | 4.98 | 153,812 |
| Most Recently-Settled Countries | 0 | - | 4.94 | 58,752 |
| Countries of the World in 1938 Quiz | 0 | - | 4.95 | 84,793 |
| Countries Bigger Than Their Neighbors | 0 | - | 4.94 | 148,248 |
| Countries with Multiple Populous Islands | 0 | - | 4.91 | 79,523 |
| Countries in Relation to Cities #1 | 0 | - | 4.92 | 43,076 |
| Countries by Sports League Revenue | 0 | - | 4.94 | 64,415 |
| Landmarks of Countries #1 | 0 | - | 4.88 | 104,099 |
| Countries Furthest from the United States | 0 | - | 4.95 | 85,257 |
| Countries with the Highest HDI | 0 | - | 4.95 | 133,603 |
| Top 10 Biggest Economies in the Americas | 0 | - | 4.93 | 86,016 |
| Richest Countries A-Z | 0 | - | 4.93 | 94,545 |
| Large Countries with Small Economies | 0 | - | 4.94 | 76,777 |
| Smallest Countries with at Least One Border | 0 | - | 4.90 | 85,665 |
| Southernmost Countries of the World | 0 | - | 4.99 | 216,424 |
| Countries by Inland Surface Water | 0 | - | 4.94 | 97,182 |
| Top 20 Motor Vehicle Producing Countries | 0 | - | 4.91 | 114,804 |
| Countries With the Most Languages | 0 | - | 4.88 | 186,532 |
| Countries with the Highest Population Under Age 15 | 0 | - | 4.93 | 91,731 |
| Countries with the Highest Population 65 and Older | 0 | - | 4.89 | 87,375 |
| Countries with the Most Prisoners | 0 | - | 4.93 | 92,096 |
| Countries with the Most Domestic Camels | 0 | - | 4.93 | 57,597 |
| Tallest Countries North to South | 0 | - | 4.85 | 114,711 |
| Widest Countries East to West | 0 | - | 4.93 | 123,629 |
| Countries with the Highest Average Elevation | 0 | - | 4.98 | 69,909 |
| Largest Countries by Area or Population | 0 | - | 5.00 | 164,193 |
| Countries with the Most Area in the Southern Hemisphere | 0 | - | 4.99 | 95,005 |
| Most Populous Countries as a Percent of Their Continent | 0 | - | 4.97 | 89,469 |
| Largest Countries as a Percent of Continent | 0 | - | 4.97 | 123,922 |
| Countries with the Most Desert | 0 | - | 4.93 | 122,434 |
| Countries by Contribution to UN Budget | 0 | - | 4.85 | 67,733 |
| Countries with Most Nobel Laureates per Capita | 0 | - | 4.84 | 33,286 |
| Countries with Double Letters | 0 | - | 4.96 | 79,731 |
| Countries that End in N | 0 | - | 4.93 | 144,012 |
| Countries with Five Letters Quiz | 0 | - | 4.96 | 242,790 |
| Countries with Six Letters Quiz | 0 | - | 4.94 | 198,197 |
| Countries with W | 0 | - | 4.97 | 131,694 |
| Countries with Z | 0 | - | 4.98 | 273,269 |
| Countries with Letters Missing | 0 | - | 4.97 | 175,022 |
| Countries That End in U | 0 | - | 4.95 | 113,139 |
| Top 20 Longest One-Word Country Names | 0 | - | 4.97 | 98,489 |
| Countries that End in O | 0 | - | 4.92 | 152,847 |
| Countries that End in R | 0 | - | 4.84 | 99,348 |
| Country Names Created by Only 4 Letters | 0 | - | 4.99 | 150,977 |
| Countries Ending in "IA" | 0 | - | 4.99 | 196,023 |
| Countries by First and Last Letter #1 | 0 | - | 4.97 | 162,127 |
| Countries by Last Two Letters | 0 | - | 4.89 | 120,906 |
| Countries by First and Last Letter #2 | 0 | - | 4.95 | 134,436 |
| Countries That End in Y | 0 | - | 4.91 | 181,098 |
| Countries Based on First Two Letters #1 | 0 | - | 4.99 | 187,518 |
| Countries with Cardinal Directions in Their Names | 0 | - | 4.91 | 126,370 |
| Countries that End in I | 0 | - | 4.92 | 116,924 |
| Countries Based on First Two Letters #2 | 0 | - | 4.99 | 156,997 |
| Countries by Initial Letter and Length #1 | 0 | - | 4.98 | 91,420 |
| Countries That End in NIA | 0 | - | 4.92 | 104,423 |
| Countries That End in BIA | 0 | - | 4.92 | 141,439 |
| Countries by Initial Letter and Continent #1 | 0 | - | 4.94 | 159,938 |
| Countries Whose Names Start with Saint | 0 | - | 4.86 | 113,844 |
| Countries That End in RIA | 0 | - | 4.89 | 104,774 |
| Most Common Words in Official Country Names | 0 | - | 4.85 | 104,916 |
| Divided Country Name Puzzle #1 | 0 | - | 4.99 | 212,664 |
| Divided Country Name Puzzle #2 | 0 | - | 4.99 | 125,902 |
| Divided Country Name Puzzle #3 | 0 | - | 4.91 | 117,549 |
| Groups of Countries that Start with the Same 3 Letters | 0 | - | 4.99 | 83,570 |
| Countries With One Word and Three A's | 0 | - | 4.93 | 47,721 |
| Countries with a Unique Last Letter | 0 | - | 4.90 | 96,789 |
| Countries that are Free from U.S.A. | 0 | - | 4.87 | 45,643 |
