| NATO Countries Quiz | 0 | - | 4.98 | 229,330 |
| EU Countries Quiz | 0 | - | 4.99 | 231,405 |
| Countries with the Most Military Troops | 0 | - | 4.95 | 229,310 |
| Countries with Nuclear Weapons | 0 | - | 4.89 | 234,836 |
| Top Five Countries by Religion | 0 | - | 4.90 | 146,100 |
| Countries with the Most Elite Universities | 0 | - | 4.95 | 128,245 |
| Countries with NO Military | 0 | - | 4.97 | 50,878 |
| Countries by Number of Books Published | 0 | - | 4.95 | 64,760 |
| Countries of the World Quiz | 0 | - | 5.00 | 41,774,899 |
| Majority Muslim Countries | 0 | - | 4.97 | 317,541 |
| Landlocked Countries Quiz | 0 | - | 4.99 | 334,506 |
| Countries by First Two Letters in 90 Seconds | 0 | - | 4.98 | 5,173,375 |
| Countries of Europe Quiz | 0 | - | 5.00 | 3,229,910 |
| Members of the Arab League | 0 | - | 4.86 | 66,362 |
| Sahara Desert Countries | 0 | - | 4.97 | 130,541 |
| Himalayan Countries | 0 | - | 4.94 | 108,485 |
| Andean Countries | 0 | - | 4.91 | 60,245 |
| Countries with the Oldest Median Age | 0 | - | 4.82 | 61,418 |
| Countries with the Youngest Median Age | 0 | - | 4.98 | 50,875 |
| Countries in the Southern Hemisphere | 0 | - | 4.99 | 104,497 |
| Coffee Producing Countries | 0 | - | 4.82 | 54,865 |
| Countries with Shrinking Populations | 0 | - | 4.93 | 54,284 |
| Danube Countries | 0 | - | 4.96 | 57,242 |
| Countries With an "Ish" Demonym | 0 | - | 4.97 | 92,254 |
| Countries With an "Ese" Demonym | 0 | - | 4.96 | 65,311 |
| Countries with the Best Passports | 0 | - | 4.86 | 72,744 |
| Countries with the Worst Passports | 0 | - | 4.88 | 50,431 |
| Countries with the Most Immigrants | 0 | - | 4.87 | 111,070 |
| European Landlocked Countries | 0 | - | 4.99 | 137,184 |
| Partially Recognized Countries | 0 | - | 4.98 | 90,836 |
| Countries with the Most Species | 0 | - | 4.99 | 89,865 |
| Countries 197 to 205 | 0 | - | 4.87 | 57,371 |
| Tropic of Cancer Countries | 0 | - | 4.96 | 45,033 |
| Tropic of Capricorn Countries | 0 | - | 4.96 | 44,324 |
| Countries Producing the Most Sugarcane | 0 | - | 4.94 | 49,081 |
| Countries that Use the Peso | 0 | - | 4.82 | 46,895 |
| Countries with the Largest Exclusive Economic Zone | 0 | - | 4.88 | 59,142 |
| Countries with a AAA Credit Rating | 0 | - | 4.87 | 49,948 |
| Countries in the Alps | 0 | - | 4.84 | 103,898 |
| Top Five Importing Partners by Country | 0 | - | 4.98 | 86,464 |
| Countries, Capitals, Currencies and Official Languages | 0 | - | 5.00 | 89,583 |
| Biggest Import Partners By Country | 0 | - | 4.99 | 72,304 |
| Southernmost Countries by Continent | 0 | - | 4.98 | 79,398 |
| Northernmost Countries by Continent | 0 | - | 4.97 | 94,922 |
| Countries by Population Growth, 1970–Present | 0 | - | 4.91 | 88,368 |
| Five Biggest Countries by Latitude | 0 | - | 4.97 | 90,575 |
| Five Biggest Countries by Longitude | 0 | - | 4.91 | 46,788 |
| Biggest Country by Body of Water | 0 | - | 4.96 | 45,711 |
| Countries with the Most Christians | 0 | - | 4.93 | 124,395 |
| Countries with the Most Container Port Traffic | 0 | - | 4.92 | 55,439 |
| Top 10 Wheat-Producing Countries | 0 | - | 4.88 | 70,198 |
| Bridge and Tunnel Borders | 0 | - | 4.96 | 49,041 |
| Countries with the Longest Road Networks Quiz | 0 | - | 4.90 | 37,036 |
| Countries that Touch the Prime Meridian or Equator | 0 | - | 4.88 | 96,601 |
| Arctic Ocean Countries | 0 | - | 4.93 | 72,691 |
| Countries with the Most Grassland | 0 | - | 4.94 | 70,265 |
| All Countries by Area : Four at a Time | 0 | - | 5.00 | 100,623 |
| Countries with the Most Climate Zones | 0 | - | 4.96 | 61,977 |
| Countries that Host the Most Refugees | 0 | - | 4.94 | 54,065 |
| All Countries of the World by Area with Hints | 0 | - | 4.97 | 202,715 |
| World Countries - Blind Typing | 0 | - | 5.00 | 75,478 |
| Countries in Their Own Alphabet | 0 | - | 4.95 | 42,853 |
| Countries with the Most Tanks | 0 | - | 4.88 | 76,740 |
| Biggest Export Partners For Every Country | 0 | - | 4.98 | 42,718 |
| Top Oil Reserve Countries | 0 | - | 4.93 | 67,523 |
| Largest Countries By Category | 0 | - | 4.97 | 146,475 |
| Countries by Countries | 0 | - | 4.95 | 55,637 |
| Least Christian Countries with Exceptions | 0 | - | 4.89 | 74,740 |
| Buddhist Countries | 0 | - | 4.97 | 132,340 |
| Country Flags With Only Two Colors | 0 | - | 4.92 | 79,652 |
| Countries with the Most Millionaires | 0 | - | 4.85 | 86,269 |
| Spanish-Speaking Countries | 0 | - | 4.95 | 345,168 |
| Countries with the Most Tourists Quiz | 0 | - | 4.91 | 362,759 |
| Island Countries Quiz | 0 | - | 4.99 | 668,790 |
| Biggest Countries by Area | 0 | - | 5.00 | 947,731 |
| Northernmost Countries | 0 | - | 4.99 | 330,968 |
| Countries of South America | 0 | - | 5.00 | 810,191 |
| Countries of Oceania | 0 | - | 5.00 | 914,014 |
| Countries of Asia Quiz | 0 | - | 5.00 | 1,611,914 |
| Catholic Countries Quiz | 0 | - | 4.82 | 199,960 |
| Countries with the Most Catholics | 0 | - | 4.91 | 95,627 |
| Orthodox Countries | 0 | - | 4.91 | 119,450 |
| Richest Island Countries | 0 | - | 4.86 | 89,616 |
| Monarchies of Europe | 0 | - | 4.89 | 88,238 |
| Monarchies of Asia | 0 | - | 4.95 | 54,813 |
| World Countries by 10 Category Elimination #1 | 0 | - | 4.96 | 108,174 |
| Countries with the Most Billionaires | 0 | - | 4.93 | 285,237 |
| Countries with the Most Muslims | 0 | - | 4.94 | 144,943 |
| Countries with the Most Exports | 0 | - | 4.96 | 140,583 |
| Top Crude Oil Producing Countries | 0 | - | 4.90 | 174,411 |
| Countries by Oil Consumption | 0 | - | 4.96 | 112,709 |
| Largest Economies in 2050 | 0 | - | 4.89 | 101,488 |
| Richest Countries by Per-Capita GDP | 0 | - | 4.96 | 242,290 |
| Countries With Highest GDP as a Percent of Continent | 0 | - | 4.96 | 91,586 |
| Countries with the Highest GDP per Square Kilometer | 0 | - | 4.86 | 68,081 |
| Countries that Start with A | 0 | - | 4.98 | 1,976,070 |
| Countries that Start with B | 0 | - | 4.95 | 2,115,066 |
| Countries that Start with C | 0 | - | 4.96 | 1,674,173 |
| Countries that Start with D | 0 | - | 4.96 | 610,777 |
| Countries that Start with E | 0 | - | 4.95 | 1,254,093 |
| Countries that Start with G | 0 | - | 4.97 | 1,373,980 |
| Countries that Start with H | 0 | - | 4.96 | 521,067 |
| Countries that Start with I | 0 | - | 4.92 | 1,181,799 |
| Countries that Start with J | 0 | - | 4.98 | 523,346 |
| Countries that Start with K | 0 | - | 4.96 | 729,326 |
| Countries that Start with L | 0 | - | 4.98 | 989,613 |
| Countries that Start with N | 0 | - | 4.93 | 1,015,957 |
| Countries that Start with P | 0 | - | 4.95 | 1,118,172 |
| Countries that Start with S | 0 | - | 4.98 | 1,627,854 |
| Countries that Start with T | 0 | - | 4.89 | 926,810 |
| Countries that Start with U | 0 | - | 4.96 | 834,990 |
| Countries that Start with V | 0 | - | 4.98 | 559,112 |
| Countries that Start with F | 0 | - | 4.84 | 549,734 |
| Countries that Start with M | 0 | - | 4.97 | 1,273,034 |
| Five Countries with Most Christians by Continent | 0 | - | 4.99 | 100,332 |
| Five Biggest Economies by Continent | 0 | - | 4.98 | 179,544 |
| Most Visited Countries by JetPunkers | 0 | - | 4.85 | 77,859 |
| Countries More Populous Than Their Neighbors | 0 | - | 4.99 | 129,077 |
| Countries with Megacities | 0 | - | 4.99 | 201,892 |
| Countries With More than 50 Million People | 0 | - | 4.99 | 175,414 |
| Countries with the Most Population Growth by Decade | 0 | - | 4.97 | 99,980 |
| Countries With More than 200 Million People | 0 | - | 4.94 | 98,278 |
| Countries Less Populous Than Their Neighbors | 0 | - | 4.97 | 65,903 |
| Top 50 Countries by Population - In Order | 0 | - | 4.97 | 253,106 |
| Countries by Official Language | 0 | - | 4.96 | 175,272 |
| Countries with the Most Speakers of These Languages | 0 | - | 4.92 | 253,299 |
| Countries in their Native Language | 0 | - | 4.98 | 180,618 |
| Independence from Whom | 0 | - | 4.99 | 189,408 |
| Subdivisions by Country | 0 | - | 4.84 | 46,898 |
| Who Controlled These Colonies? | 0 | - | 4.89 | 115,661 |
| Megadiverse Countries | 0 | - | 4.96 | 126,814 |
| Countries With the Most English Speakers | 0 | - | 4.87 | 93,945 |
| Countries with Multiple Big Islands | 0 | - | 4.93 | 107,597 |
| Most Desired Destinations for Potential Migrants | 0 | - | 4.82 | 47,831 |
| 15 Biggest Island Countries | 0 | - | 4.99 | 133,364 |
| Most Recently-Settled Countries | 0 | - | 4.92 | 49,900 |
| Countries of the World in 1938 Quiz | 0 | - | 4.96 | 79,661 |
| Countries Bigger Than Their Neighbors | 0 | - | 4.95 | 146,048 |
| Countries with Multiple Populous Islands | 0 | - | 4.91 | 77,728 |
| Countries in Relation to Cities #1 | 0 | - | 4.92 | 41,859 |
| Countries by Sports League Revenue | 0 | - | 4.89 | 45,088 |
| Landmarks of Countries #1 | 0 | - | 4.89 | 102,274 |
| Countries Furthest from the United States | 0 | - | 4.94 | 72,954 |
| Countries with the Highest HDI | 0 | - | 4.95 | 131,492 |
| Smallest Countries with at Least One Border | 0 | - | 4.90 | 82,744 |
| Southernmost Countries of the World | 0 | - | 4.99 | 209,789 |
| Countries by Inland Surface Water | 0 | - | 4.94 | 92,841 |
| Top 20 Motor Vehicle Producing Countries | 0 | - | 4.91 | 109,986 |
| Countries With the Most Languages | 0 | - | 4.90 | 177,785 |
| Countries with the Highest Population Under Age 15 | 0 | - | 4.93 | 88,701 |
| Countries with the Highest Population 65 and Older | 0 | - | 4.86 | 73,085 |
| Countries with the Most Prisoners | 0 | - | 4.93 | 88,300 |
| Countries with the Most Domestic Camels | 0 | - | 4.93 | 55,098 |
| Tallest Countries North to South | 0 | - | 4.85 | 111,582 |
| Widest Countries East to West | 0 | - | 4.93 | 120,559 |
| Countries with the Highest Average Elevation | 0 | - | 4.98 | 69,122 |
| Largest Countries by Area or Population | 0 | - | 5.00 | 160,550 |
| Countries with the Longest Perimeter | 0 | - | 4.81 | 72,837 |
| Countries with the Most Area in the Southern Hemisphere | 0 | - | 4.99 | 93,418 |
| Most Populous Countries as a Percent of Their Continent | 0 | - | 4.97 | 86,861 |
| Largest Countries as a Percent of Continent | 0 | - | 4.97 | 120,665 |
| Countries with the Most Desert | 0 | - | 4.92 | 106,488 |
| Countries by Contribution to UN Budget | 0 | - | 4.87 | 66,801 |
| Countries with Most Nobel Laureates per Capita | 0 | - | 4.83 | 32,416 |
| Countries with Double Letters | 0 | - | 4.96 | 71,817 |
| Countries that End in N | 0 | - | 4.94 | 136,004 |
| Countries with Five Letters Quiz | 0 | - | 4.96 | 233,884 |
| Countries with Six Letters Quiz | 0 | - | 4.95 | 190,572 |
| Countries with W | 0 | - | 4.96 | 125,669 |
| Countries with Z | 0 | - | 4.98 | 264,688 |
| Countries with Letters Missing | 0 | - | 4.97 | 169,694 |
| Countries That End in U | 0 | - | 4.95 | 109,342 |
| Top 20 Longest One-Word Country Names | 0 | - | 4.97 | 92,385 |
| Countries that End in O | 0 | - | 4.92 | 148,653 |
| Countries that End in R | 0 | - | 4.85 | 97,319 |
| Country Names Created by Only 4 Letters | 0 | - | 4.99 | 148,093 |
| Countries Ending in "IA" | 0 | - | 4.99 | 174,188 |
| Countries by First and Last Letter #1 | 0 | - | 4.98 | 157,707 |
| Countries by Last Two Letters | 0 | - | 4.90 | 117,702 |
| Countries by First and Last Letter #2 | 0 | - | 4.95 | 130,644 |
| Countries That End in Y | 0 | - | 4.90 | 162,416 |
| Countries Based on First Two Letters #1 | 0 | - | 4.99 | 163,000 |
| Countries with Cardinal Directions in Their Names | 0 | - | 4.91 | 122,388 |
| Countries that End in I | 0 | - | 4.92 | 115,201 |
| Countries Based on First Two Letters #2 | 0 | - | 4.98 | 151,639 |
| Countries by Initial Letter and Length #1 | 0 | - | 4.98 | 89,389 |
| Countries That End in NIA | 0 | - | 4.92 | 101,821 |
| Countries That End in BIA | 0 | - | 4.91 | 127,308 |
| Countries by Initial Letter and Continent #1 | 0 | - | 4.94 | 155,166 |
| Countries Whose Names Start with Saint | 0 | - | 4.87 | 110,979 |
| Countries That End in RIA | 0 | - | 4.90 | 101,893 |
| Most Common Words in Official Country Names | 0 | - | 4.85 | 101,768 |
| Divided Country Name Puzzle #1 | 0 | - | 4.99 | 204,610 |
| Divided Country Name Puzzle #2 | 0 | - | 4.99 | 121,630 |
| Divided Country Name Puzzle #3 | 0 | - | 4.92 | 112,767 |
| Groups of Countries that Start with the Same 3 Letters | 0 | - | 4.99 | 79,301 |
| Countries With One Word and Three A's | 0 | - | 4.87 | 31,905 |
| Countries with a Unique Last Letter | 0 | - | 4.91 | 93,846 |
| Countries that are Free from U.S.A. | 0 | - | 4.90 | 43,694 |
| Countries Containing Two or More Words | 0 | - | 4.97 | 42,505 |
