| NATO Countries Quiz | 0 | - | 4.98 | 255,199 |
| EU Countries Quiz | 0 | - | 4.99 | 248,351 |
| Countries with the Most Military Troops | 0 | - | 4.95 | 262,960 |
| Countries with Nuclear Weapons | 0 | - | 4.90 | 245,217 |
| Top Five Countries by Religion | 0 | - | 4.91 | 155,039 |
| Countries with the Most Elite Universities | 0 | - | 4.94 | 136,506 |
| Countries with NO Military | 0 | - | 4.96 | 55,185 |
| Countries by Number of Books Published | 0 | - | 4.94 | 67,790 |
| Countries of the World Quiz | 0 | - | 5.00 | 43,639,137 |
| Majority Muslim Countries | 0 | - | 4.98 | 326,985 |
| Landlocked Countries Quiz | 0 | - | 4.99 | 373,749 |
| Countries by First Two Letters in 90 Seconds | 0 | - | 4.98 | 5,334,701 |
| Countries of Europe Quiz | 0 | - | 5.00 | 3,407,752 |
| Sahara Desert Countries | 0 | - | 4.98 | 141,410 |
| Himalayan Countries | 0 | - | 4.95 | 118,527 |
| Andean Countries | 0 | - | 4.92 | 66,401 |
| Countries with the Oldest Median Age | 0 | - | 4.83 | 67,481 |
| Countries with the Youngest Median Age | 0 | - | 4.97 | 55,069 |
| Countries in the Southern Hemisphere | 0 | - | 4.99 | 110,313 |
| Coffee Producing Countries | 0 | - | 4.81 | 58,145 |
| Countries with Shrinking Populations | 0 | - | 4.93 | 57,828 |
| Danube Countries | 0 | - | 4.97 | 59,840 |
| Countries With an "Ish" Demonym | 0 | - | 4.97 | 95,530 |
| Countries With an "Ese" Demonym | 0 | - | 4.97 | 80,904 |
| Countries with the Best Passports | 0 | - | 4.81 | 78,238 |
| Countries with the Worst Passports | 0 | - | 4.91 | 60,537 |
| Countries with the Most Immigrants | 0 | - | 4.89 | 134,339 |
| European Landlocked Countries | 0 | - | 4.99 | 139,790 |
| Partially Recognized Countries | 0 | - | 4.98 | 96,321 |
| Countries with the Most Species | 0 | - | 4.99 | 91,692 |
| Countries 197 to 205 | 0 | - | 4.87 | 61,796 |
| Tropic of Cancer Countries | 0 | - | 4.96 | 46,289 |
| Tropic of Capricorn Countries | 0 | - | 4.96 | 45,408 |
| Countries Producing the Most Sugarcane | 0 | - | 4.94 | 51,726 |
| Countries that Use the Peso | 0 | - | 4.83 | 48,878 |
| Countries with the Largest Exclusive Economic Zone | 0 | - | 4.87 | 69,320 |
| Countries with a AAA Credit Rating | 0 | - | 4.86 | 52,754 |
| Countries in the Alps | 0 | - | 4.86 | 108,630 |
| Top Five Importing Partners by Country | 0 | - | 4.97 | 89,677 |
| Countries, Capitals, Currencies and Official Languages | 0 | - | 5.00 | 95,823 |
| Biggest Import Partners By Country | 0 | - | 4.99 | 74,618 |
| Southernmost Countries by Continent | 0 | - | 4.98 | 82,535 |
| Northernmost Countries by Continent | 0 | - | 4.98 | 109,451 |
| Countries by Population Growth, 1970–Present | 0 | - | 4.90 | 91,097 |
| Five Biggest Countries by Latitude | 0 | - | 4.97 | 93,957 |
| Five Biggest Countries by Longitude | 0 | - | 4.90 | 49,037 |
| Biggest Country by Body of Water | 0 | - | 4.95 | 47,369 |
| Countries with the Most Christians | 0 | - | 4.92 | 130,899 |
| Countries with the Most Container Port Traffic | 0 | - | 4.91 | 57,948 |
| Top 10 Wheat-Producing Countries | 0 | - | 4.88 | 72,107 |
| Bridge and Tunnel Borders | 0 | - | 4.95 | 50,705 |
| Countries with the Longest Road Networks Quiz | 0 | - | 4.89 | 38,574 |
| Countries that Touch the Prime Meridian or Equator | 0 | - | 4.88 | 99,346 |
| Arctic Ocean Countries | 0 | - | 4.94 | 75,054 |
| Countries with the Most Grassland | 0 | - | 4.93 | 72,689 |
| All Countries by Area : Four at a Time | 0 | - | 5.00 | 106,979 |
| Countries with the Most Climate Zones | 0 | - | 4.96 | 64,123 |
| Countries that Host the Most Refugees | 0 | - | 4.94 | 56,070 |
| All Countries of the World by Area with Hints | 0 | - | 4.97 | 217,887 |
| World Countries - Blind Typing | 0 | - | 5.00 | 82,626 |
| Countries in Their Own Alphabet | 0 | - | 4.96 | 44,422 |
| Countries with the Most Tanks | 0 | - | 4.85 | 80,184 |
| Biggest Export Partners For Every Country | 0 | - | 4.98 | 45,313 |
| Top Oil Reserve Countries | 0 | - | 4.93 | 69,706 |
| Largest Countries By Category | 0 | - | 4.97 | 149,984 |
| Countries by Countries | 0 | - | 4.96 | 57,729 |
| Least Christian Countries with Exceptions | 0 | - | 4.89 | 79,363 |
| Buddhist Countries | 0 | - | 4.96 | 136,120 |
| Country Flags With Only Two Colors | 0 | - | 4.92 | 82,833 |
| Countries with the Most Millionaires | 0 | - | 4.84 | 97,043 |
| Spanish-Speaking Countries | 0 | - | 4.95 | 356,743 |
| Countries with the Most Tourists Quiz | 0 | - | 4.91 | 377,653 |
| Island Countries Quiz | 0 | - | 4.99 | 685,488 |
| Biggest Countries by Area | 0 | - | 5.00 | 979,409 |
| Northernmost Countries | 0 | - | 4.99 | 339,889 |
| Countries of South America | 0 | - | 5.00 | 848,547 |
| Countries of Oceania | 0 | - | 5.00 | 959,252 |
| Countries of Asia Quiz | 0 | - | 5.00 | 1,698,092 |
| Countries with the Most Catholics | 0 | - | 4.89 | 100,173 |
| Orthodox Countries | 0 | - | 4.91 | 123,440 |
| Richest Island Countries | 0 | - | 4.82 | 93,550 |
| Countries of the World with an Empty Map | 0 | - | 5.00 | 3,225,685 |
| Monarchies of Europe | 0 | - | 4.89 | 92,159 |
| Monarchies of Asia | 0 | - | 4.96 | 67,555 |
| Category Elimination - Countries #1 | 0 | - | 4.99 | 299,299 |
| World Countries by 10 Category Elimination #1 | 0 | - | 4.96 | 113,223 |
| Countries with the Most Billionaires | 0 | - | 4.92 | 315,250 |
| Countries with the Most Muslims | 0 | - | 4.94 | 152,118 |
| Countries with the Most Exports | 0 | - | 4.96 | 146,917 |
| Top Crude Oil Producing Countries | 0 | - | 4.90 | 180,245 |
| Countries by Oil Consumption | 0 | - | 4.96 | 115,461 |
| Largest Economies in 2050 | 0 | - | 4.89 | 105,318 |
| Richest Countries by Per-Capita GDP | 0 | - | 4.96 | 248,453 |
| Countries With Highest GDP as a Percent of Continent | 0 | - | 4.96 | 96,318 |
| Countries with the Highest GDP per Square Kilometer | 0 | - | 4.90 | 78,661 |
| Countries that Start with A | 0 | - | 4.98 | 2,042,784 |
| Countries that Start with B | 0 | - | 4.95 | 2,180,856 |
| Countries that Start with C | 0 | - | 4.96 | 1,729,331 |
| Countries that Start with D | 0 | - | 4.96 | 646,868 |
| Countries that Start with E | 0 | - | 4.95 | 1,299,434 |
| Countries that Start with G | 0 | - | 4.97 | 1,421,293 |
| Countries that Start with H | 0 | - | 4.96 | 551,602 |
| Countries that Start with I | 0 | - | 4.92 | 1,223,665 |
| Countries that Start with J | 0 | - | 4.98 | 552,272 |
| Countries that Start with K | 0 | - | 4.96 | 761,976 |
| Countries that Start with L | 0 | - | 4.98 | 1,027,053 |
| Countries that Start with N | 0 | - | 4.93 | 1,053,792 |
| Countries that Start with P | 0 | - | 4.95 | 1,154,467 |
| Countries that Start with S | 0 | - | 4.98 | 1,674,206 |
| Countries that Start with T | 0 | - | 4.89 | 960,602 |
| Countries that Start with U | 0 | - | 4.97 | 862,756 |
| Countries that Start with V | 0 | - | 4.98 | 576,842 |
| Countries that Start with F | 0 | - | 4.83 | 573,928 |
| Countries that Start with M | 0 | - | 4.97 | 1,313,028 |
| Five Countries with Most Christians by Continent | 0 | - | 4.99 | 104,250 |
| Five Biggest Economies by Continent | 0 | - | 4.98 | 185,226 |
| Most Visited Countries by JetPunkers | 0 | - | 4.88 | 109,101 |
| Countries More Populous Than Their Neighbors | 0 | - | 4.99 | 155,269 |
| Countries with Megacities | 0 | - | 4.99 | 213,940 |
| Countries With More than 50 Million People | 0 | - | 4.99 | 184,149 |
| Countries with the Most Population Growth by Decade | 0 | - | 4.97 | 104,843 |
| Countries With More than 200 Million People | 0 | - | 4.95 | 105,343 |
| Countries Less Populous Than Their Neighbors | 0 | - | 4.97 | 71,552 |
| Top 50 Countries by Population - In Order | 0 | - | 4.97 | 266,070 |
| Countries by Official Language | 0 | - | 4.95 | 182,023 |
| Countries with the Most Speakers of These Languages | 0 | - | 4.90 | 279,003 |
| Countries in their Native Language | 0 | - | 4.98 | 186,980 |
| Independence from Whom | 0 | - | 4.99 | 197,390 |
| Subdivisions by Country | 0 | - | 4.86 | 48,151 |
| Who Controlled These Colonies? | 0 | - | 4.89 | 121,853 |
| Megadiverse Countries | 0 | - | 4.96 | 129,803 |
| Countries With the Most English Speakers | 0 | - | 4.89 | 119,075 |
| Countries with Multiple Big Islands | 0 | - | 4.92 | 110,145 |
| Most Desired Destinations for Potential Migrants | 0 | - | 4.83 | 49,078 |
| 15 Biggest Island Countries | 0 | - | 4.98 | 153,927 |
| Most Recently-Settled Countries | 0 | - | 4.94 | 58,805 |
| Countries of the World in 1938 Quiz | 0 | - | 4.95 | 84,869 |
| Countries Bigger Than Their Neighbors | 0 | - | 4.94 | 148,305 |
| Countries with Multiple Populous Islands | 0 | - | 4.91 | 79,563 |
| Countries in Relation to Cities #1 | 0 | - | 4.92 | 43,092 |
| Countries by Sports League Revenue | 0 | - | 4.94 | 64,624 |
| Landmarks of Countries #1 | 0 | - | 4.88 | 104,129 |
| Countries Furthest from the United States | 0 | - | 4.95 | 85,292 |
| Countries with the Highest HDI | 0 | - | 4.95 | 133,650 |
| Smallest Countries with at Least One Border | 0 | - | 4.90 | 85,748 |
| Southernmost Countries of the World | 0 | - | 4.99 | 216,538 |
| Countries by Inland Surface Water | 0 | - | 4.94 | 97,431 |
| Top 20 Motor Vehicle Producing Countries | 0 | - | 4.91 | 114,914 |
| Countries With the Most Languages | 0 | - | 4.88 | 186,732 |
| Countries with the Highest Population Under Age 15 | 0 | - | 4.93 | 91,779 |
| Countries with the Highest Population 65 and Older | 0 | - | 4.89 | 87,456 |
| Countries with the Most Prisoners | 0 | - | 4.93 | 92,175 |
| Countries with the Most Domestic Camels | 0 | - | 4.93 | 57,640 |
| Tallest Countries North to South | 0 | - | 4.85 | 114,770 |
| Widest Countries East to West | 0 | - | 4.92 | 123,682 |
| Countries with the Highest Average Elevation | 0 | - | 4.98 | 69,933 |
| Largest Countries by Area or Population | 0 | - | 5.00 | 164,252 |
| Countries with the Most Area in the Southern Hemisphere | 0 | - | 4.99 | 95,027 |
| Most Populous Countries as a Percent of Their Continent | 0 | - | 4.97 | 89,521 |
| Largest Countries as a Percent of Continent | 0 | - | 4.97 | 123,997 |
| Countries with the Most Desert | 0 | - | 4.93 | 122,503 |
| Countries by Contribution to UN Budget | 0 | - | 4.85 | 67,752 |
| Countries with Most Nobel Laureates per Capita | 0 | - | 4.84 | 33,294 |
| Countries with Double Letters | 0 | - | 4.96 | 79,864 |
| Countries that End in N | 0 | - | 4.93 | 144,112 |
| Countries with Five Letters Quiz | 0 | - | 4.96 | 242,922 |
| Countries with Six Letters Quiz | 0 | - | 4.94 | 198,321 |
| Countries with W | 0 | - | 4.97 | 131,805 |
| Countries with Z | 0 | - | 4.98 | 273,426 |
| Countries with Letters Missing | 0 | - | 4.97 | 175,111 |
| Countries That End in U | 0 | - | 4.95 | 113,192 |
| Top 20 Longest One-Word Country Names | 0 | - | 4.97 | 98,602 |
| Countries that End in O | 0 | - | 4.92 | 152,893 |
| Countries that End in R | 0 | - | 4.84 | 99,377 |
| Country Names Created by Only 4 Letters | 0 | - | 4.99 | 151,020 |
| Countries Ending in "IA" | 0 | - | 4.99 | 196,155 |
| Countries by First and Last Letter #1 | 0 | - | 4.97 | 162,199 |
| Countries by Last Two Letters | 0 | - | 4.89 | 120,975 |
| Countries by First and Last Letter #2 | 0 | - | 4.95 | 134,493 |
| Countries That End in Y | 0 | - | 4.91 | 181,143 |
| Countries Based on First Two Letters #1 | 0 | - | 4.99 | 187,626 |
| Countries with Cardinal Directions in Their Names | 0 | - | 4.91 | 126,451 |
| Countries that End in I | 0 | - | 4.92 | 116,955 |
| Countries Based on First Two Letters #2 | 0 | - | 4.99 | 157,084 |
| Countries by Initial Letter and Length #1 | 0 | - | 4.98 | 91,455 |
| Countries That End in NIA | 0 | - | 4.92 | 104,466 |
| Countries That End in BIA | 0 | - | 4.92 | 141,502 |
| Countries by Initial Letter and Continent #1 | 0 | - | 4.94 | 160,008 |
| Countries Whose Names Start with Saint | 0 | - | 4.86 | 113,903 |
| Countries That End in RIA | 0 | - | 4.89 | 104,825 |
| Most Common Words in Official Country Names | 0 | - | 4.85 | 104,976 |
| Divided Country Name Puzzle #1 | 0 | - | 4.99 | 212,852 |
| Divided Country Name Puzzle #2 | 0 | - | 4.99 | 125,985 |
| Divided Country Name Puzzle #3 | 0 | - | 4.91 | 117,657 |
| Groups of Countries that Start with the Same 3 Letters | 0 | - | 4.99 | 83,662 |
| Add A Letter - Make a Country | 0 | - | 4.81 | 70,655 |
| Countries With One Word and Three A's | 0 | - | 4.93 | 47,782 |
| Countries with a Unique Last Letter | 0 | - | 4.90 | 96,852 |
| Countries that are Free from U.S.A. | 0 | - | 4.87 | 45,681 |
| Countries Containing Two or More Words | 0 | - | 4.97 | 46,579 |
