| Countries of the World Quiz | 0 | - | 5.00 | 43,624,791 |
| Majority Muslim Countries | 0 | - | 4.98 | 326,909 |
| NATO Countries Quiz | 0 | - | 4.98 | 255,096 |
| EU Countries Quiz | 0 | - | 4.99 | 246,923 |
| Countries with the Most Military Troops | 0 | - | 4.95 | 262,872 |
| Countries with Nuclear Weapons | 0 | - | 4.90 | 245,129 |
| Top Five Countries by Religion | 0 | - | 4.91 | 154,982 |
| Countries with the Most Elite Universities | 0 | - | 4.94 | 136,467 |
| Countries with NO Military | 0 | - | 4.96 | 55,151 |
| Countries by Number of Books Published | 0 | - | 4.94 | 67,766 |
| Landlocked Countries Quiz | 0 | - | 4.99 | 373,480 |
| Countries with the Most Christians | 0 | - | 4.92 | 130,863 |
| Countries with the Most Tanks | 0 | - | 4.85 | 80,165 |
| Biggest Export Partners For Every Country | 0 | - | 4.98 | 45,298 |
| Top Oil Reserve Countries | 0 | - | 4.93 | 69,692 |
| Countries by First Two Letters in 90 Seconds | 0 | - | 4.98 | 5,333,556 |
| Least Christian Countries with Exceptions | 0 | - | 4.89 | 79,328 |
| Buddhist Countries | 0 | - | 4.96 | 136,104 |
| Countries with the Most Millionaires | 0 | - | 4.84 | 96,850 |
| Countries of Europe Quiz | 0 | - | 5.00 | 3,406,358 |
| Sahara Desert Countries | 0 | - | 4.98 | 141,303 |
| Himalayan Countries | 0 | - | 4.95 | 118,451 |
| Andean Countries | 0 | - | 4.92 | 66,341 |
| Countries with the Oldest Median Age | 0 | - | 4.83 | 67,429 |
| Countries with the Youngest Median Age | 0 | - | 4.97 | 55,034 |
| Countries in the Southern Hemisphere | 0 | - | 4.99 | 110,242 |
| Coffee Producing Countries | 0 | - | 4.81 | 58,104 |
| Countries with Shrinking Populations | 0 | - | 4.93 | 57,795 |
| Danube Countries | 0 | - | 4.97 | 59,820 |
| Countries With an "Ish" Demonym | 0 | - | 4.97 | 95,498 |
| Countries With an "Ese" Demonym | 0 | - | 4.97 | 80,874 |
| Countries with the Best Passports | 0 | - | 4.81 | 78,178 |
| Countries with the Worst Passports | 0 | - | 4.91 | 60,367 |
| Countries with the Most Immigrants | 0 | - | 4.89 | 134,255 |
| European Landlocked Countries | 0 | - | 4.99 | 139,765 |
| Partially Recognized Countries | 0 | - | 4.98 | 96,261 |
| Countries with the Most Species | 0 | - | 4.99 | 91,680 |
| Countries 197 to 205 | 0 | - | 4.87 | 61,746 |
| Tropic of Cancer Countries | 0 | - | 4.96 | 46,275 |
| Tropic of Capricorn Countries | 0 | - | 4.96 | 45,398 |
| Countries Producing the Most Sugarcane | 0 | - | 4.94 | 51,706 |
| Countries that Use the Peso | 0 | - | 4.83 | 48,863 |
| Countries with the Largest Exclusive Economic Zone | 0 | - | 4.87 | 69,303 |
| Countries with a AAA Credit Rating | 0 | - | 4.86 | 52,729 |
| Countries in the Alps | 0 | - | 4.86 | 108,590 |
| Top Five Importing Partners by Country | 0 | - | 4.97 | 89,647 |
| Countries, Capitals, Currencies and Official Languages | 0 | - | 5.00 | 95,769 |
| Biggest Import Partners By Country | 0 | - | 4.99 | 74,599 |
| Southernmost Countries by Continent | 0 | - | 4.98 | 82,511 |
| Northernmost Countries by Continent | 0 | - | 4.98 | 109,405 |
| Countries by Population Growth, 1970–Present | 0 | - | 4.90 | 91,071 |
| Five Biggest Countries by Latitude | 0 | - | 4.97 | 93,935 |
| Five Biggest Countries by Longitude | 0 | - | 4.90 | 49,024 |
| Biggest Country by Body of Water | 0 | - | 4.95 | 47,355 |
| Countries with the Most Container Port Traffic | 0 | - | 4.91 | 57,927 |
| Top 10 Wheat-Producing Countries | 0 | - | 4.88 | 72,091 |
| Bridge and Tunnel Borders | 0 | - | 4.95 | 50,693 |
| Countries with the Longest Road Networks Quiz | 0 | - | 4.89 | 38,561 |
| Countries that Touch the Prime Meridian or Equator | 0 | - | 4.88 | 99,332 |
| Arctic Ocean Countries | 0 | - | 4.94 | 75,046 |
| Countries with the Most Grassland | 0 | - | 4.93 | 72,672 |
| All Countries by Area : Four at a Time | 0 | - | 5.00 | 106,922 |
| Countries with the Most Climate Zones | 0 | - | 4.96 | 64,108 |
| Countries that Host the Most Refugees | 0 | - | 4.94 | 56,053 |
| All Countries of the World by Area with Hints | 0 | - | 4.97 | 217,778 |
| World Countries - Blind Typing | 0 | - | 5.00 | 82,589 |
| Countries in Their Own Alphabet | 0 | - | 4.96 | 44,401 |
| Largest Countries By Category | 0 | - | 4.97 | 149,962 |
| Countries by Countries | 0 | - | 4.96 | 57,715 |
| Country Flags With Only Two Colors | 0 | - | 4.92 | 82,815 |
| Spanish-Speaking Countries | 0 | - | 4.94 | 356,661 |
| Countries with the Most Tourists Quiz | 0 | - | 4.91 | 377,534 |
| Island Countries Quiz | 0 | - | 4.99 | 685,380 |
| Biggest Countries by Area | 0 | - | 5.00 | 979,220 |
| Northernmost Countries | 0 | - | 4.99 | 339,844 |
| Countries of South America | 0 | - | 5.00 | 848,227 |
| Countries of Oceania | 0 | - | 5.00 | 958,854 |
| Countries of Asia Quiz | 0 | - | 5.00 | 1,697,288 |
| Countries that Start with A | 0 | - | 4.98 | 2,042,222 |
| Countries that Start with B | 0 | - | 4.95 | 2,180,320 |
| Countries that Start with C | 0 | - | 4.96 | 1,728,705 |
| Countries that Start with D | 0 | - | 4.96 | 646,535 |
| Countries that Start with E | 0 | - | 4.95 | 1,299,051 |
| Countries that Start with G | 0 | - | 4.97 | 1,420,882 |
| Countries that Start with H | 0 | - | 4.96 | 551,357 |
| Countries that Start with I | 0 | - | 4.92 | 1,223,320 |
| Countries that Start with J | 0 | - | 4.98 | 552,035 |
| Countries that Start with K | 0 | - | 4.96 | 761,726 |
| Countries that Start with L | 0 | - | 4.98 | 1,026,753 |
| Countries that Start with N | 0 | - | 4.93 | 1,053,486 |
| Countries that Start with P | 0 | - | 4.95 | 1,154,185 |
| Countries that Start with S | 0 | - | 4.98 | 1,673,870 |
| Countries that Start with T | 0 | - | 4.89 | 960,371 |
| Countries that Start with U | 0 | - | 4.97 | 862,560 |
| Countries that Start with V | 0 | - | 4.98 | 576,685 |
| Countries that Start with F | 0 | - | 4.83 | 573,705 |
| Countries that Start with M | 0 | - | 4.97 | 1,312,708 |
| Countries with the Most Catholics | 0 | - | 4.89 | 100,137 |
| Orthodox Countries | 0 | - | 4.91 | 123,416 |
| Richest Island Countries | 0 | - | 4.82 | 93,530 |
| Countries of the World with an Empty Map | 0 | - | 5.00 | 3,224,851 |
| Monarchies of Europe | 0 | - | 4.89 | 92,131 |
| Monarchies of Asia | 0 | - | 4.96 | 67,538 |
| World Countries by 10 Category Elimination #1 | 0 | - | 4.96 | 113,188 |
| Countries with the Most Billionaires | 0 | - | 4.92 | 315,162 |
| Countries with the Most Muslims | 0 | - | 4.94 | 152,095 |
| Countries with the Most Exports | 0 | - | 4.96 | 146,880 |
| Top Crude Oil Producing Countries | 0 | - | 4.90 | 180,213 |
| Countries by Oil Consumption | 0 | - | 4.96 | 115,412 |
| Largest Economies in 2050 | 0 | - | 4.89 | 105,293 |
| Richest Countries by Per-Capita GDP | 0 | - | 4.96 | 248,409 |
| Countries With Highest GDP as a Percent of Continent | 0 | - | 4.96 | 96,287 |
| Countries with the Highest GDP per Square Kilometer | 0 | - | 4.90 | 78,634 |
| Five Countries with Most Christians by Continent | 0 | - | 4.99 | 104,230 |
| Five Biggest Economies by Continent | 0 | - | 4.98 | 185,196 |
| Most Visited Countries by JetPunkers | 0 | - | 4.88 | 109,052 |
| Countries More Populous Than Their Neighbors | 0 | - | 4.99 | 155,177 |
| Countries with Megacities | 0 | - | 4.99 | 213,862 |
| Countries With More than 50 Million People | 0 | - | 4.99 | 184,098 |
| Countries with the Most Population Growth by Decade | 0 | - | 4.97 | 104,815 |
| Countries With More than 200 Million People | 0 | - | 4.95 | 105,311 |
| Countries Less Populous Than Their Neighbors | 0 | - | 4.97 | 71,523 |
| Top 50 Countries by Population - In Order | 0 | - | 4.97 | 265,989 |
| Countries by Official Language | 0 | - | 4.95 | 181,957 |
| Countries with the Most Speakers of These Languages | 0 | - | 4.90 | 278,925 |
| Countries in their Native Language | 0 | - | 4.98 | 186,912 |
| Independence from Whom | 0 | - | 4.99 | 197,350 |
| Subdivisions by Country | 0 | - | 4.86 | 48,140 |
| Who Controlled These Colonies? | 0 | - | 4.89 | 121,820 |
| Megadiverse Countries | 0 | - | 4.96 | 129,790 |
| Countries With the Most English Speakers | 0 | - | 4.89 | 118,666 |
| Countries with Multiple Big Islands | 0 | - | 4.92 | 110,131 |
| Most Desired Destinations for Potential Migrants | 0 | - | 4.83 | 49,075 |
| 15 Biggest Island Countries | 0 | - | 4.98 | 153,901 |
| Most Recently-Settled Countries | 0 | - | 4.94 | 58,787 |
| Countries of the World in 1938 Quiz | 0 | - | 4.95 | 84,848 |
| Countries Bigger Than Their Neighbors | 0 | - | 4.94 | 148,288 |
| Countries with Multiple Populous Islands | 0 | - | 4.91 | 79,551 |
| Countries in Relation to Cities #1 | 0 | - | 4.92 | 43,087 |
| Countries by Sports League Revenue | 0 | - | 4.94 | 64,583 |
| Landmarks of Countries #1 | 0 | - | 4.88 | 104,116 |
| Countries Furthest from the United States | 0 | - | 4.95 | 85,277 |
| Countries with the Highest HDI | 0 | - | 4.95 | 133,634 |
| Top 10 Biggest Economies in the Americas | 0 | - | 4.93 | 86,056 |
| Richest Countries A-Z | 0 | - | 4.93 | 94,602 |
| Large Countries with Small Economies | 0 | - | 4.94 | 76,811 |
| Smallest Countries with at Least One Border | 0 | - | 4.90 | 85,719 |
| Southernmost Countries of the World | 0 | - | 4.99 | 216,505 |
| Countries by Inland Surface Water | 0 | - | 4.94 | 97,257 |
| Top 20 Motor Vehicle Producing Countries | 0 | - | 4.91 | 114,874 |
| Countries With the Most Languages | 0 | - | 4.88 | 186,663 |
| Countries with the Highest Population Under Age 15 | 0 | - | 4.93 | 91,762 |
| Countries with the Highest Population 65 and Older | 0 | - | 4.89 | 87,432 |
| Countries with the Most Prisoners | 0 | - | 4.93 | 92,147 |
| Countries with the Most Domestic Camels | 0 | - | 4.93 | 57,626 |
| Tallest Countries North to South | 0 | - | 4.85 | 114,750 |
| Widest Countries East to West | 0 | - | 4.92 | 123,662 |
| Countries with the Highest Average Elevation | 0 | - | 4.98 | 69,927 |
| Largest Countries by Area or Population | 0 | - | 5.00 | 164,235 |
| Countries with the Most Area in the Southern Hemisphere | 0 | - | 4.99 | 95,016 |
| Most Populous Countries as a Percent of Their Continent | 0 | - | 4.97 | 89,505 |
| Largest Countries as a Percent of Continent | 0 | - | 4.97 | 123,972 |
| Countries with the Most Desert | 0 | - | 4.93 | 122,488 |
| Countries by Contribution to UN Budget | 0 | - | 4.85 | 67,749 |
| Countries with Most Nobel Laureates per Capita | 0 | - | 4.84 | 33,290 |
| Countries with Double Letters | 0 | - | 4.96 | 79,822 |
| Countries that End in N | 0 | - | 4.93 | 144,076 |
| Countries with Five Letters Quiz | 0 | - | 4.96 | 242,883 |
| Countries with Six Letters Quiz | 0 | - | 4.94 | 198,274 |
| Countries with W | 0 | - | 4.97 | 131,768 |
| Countries with Z | 0 | - | 4.98 | 273,377 |
| Countries with Letters Missing | 0 | - | 4.97 | 175,083 |
| Countries That End in U | 0 | - | 4.95 | 113,177 |
| Top 20 Longest One-Word Country Names | 0 | - | 4.97 | 98,562 |
| Countries that End in O | 0 | - | 4.92 | 152,880 |
| Countries that End in R | 0 | - | 4.84 | 99,365 |
| Country Names Created by Only 4 Letters | 0 | - | 4.99 | 151,007 |
| Countries Ending in "IA" | 0 | - | 4.99 | 196,113 |
| Countries by First and Last Letter #1 | 0 | - | 4.97 | 162,177 |
| Countries by Last Two Letters | 0 | - | 4.89 | 120,955 |
| Countries by First and Last Letter #2 | 0 | - | 4.95 | 134,475 |
| Countries That End in Y | 0 | - | 4.91 | 181,130 |
| Countries Based on First Two Letters #1 | 0 | - | 4.99 | 187,591 |
| Countries with Cardinal Directions in Their Names | 0 | - | 4.91 | 126,427 |
| Countries that End in I | 0 | - | 4.92 | 116,947 |
| Countries Based on First Two Letters #2 | 0 | - | 4.99 | 157,051 |
| Countries by Initial Letter and Length #1 | 0 | - | 4.98 | 91,441 |
| Countries That End in NIA | 0 | - | 4.92 | 104,454 |
| Countries That End in BIA | 0 | - | 4.92 | 141,483 |
| Countries by Initial Letter and Continent #1 | 0 | - | 4.94 | 159,984 |
| Countries Whose Names Start with Saint | 0 | - | 4.86 | 113,881 |
| Countries That End in RIA | 0 | - | 4.89 | 104,808 |
| Most Common Words in Official Country Names | 0 | - | 4.85 | 104,952 |
| Divided Country Name Puzzle #1 | 0 | - | 4.99 | 212,813 |
| Divided Country Name Puzzle #2 | 0 | - | 4.99 | 125,957 |
| Divided Country Name Puzzle #3 | 0 | - | 4.91 | 117,625 |
| Groups of Countries that Start with the Same 3 Letters | 0 | - | 4.99 | 83,632 |
| Add A Letter - Make a Country | 0 | - | 4.81 | 70,642 |
| Countries With One Word and Three A's | 0 | - | 4.93 | 47,769 |
| Countries with a Unique Last Letter | 0 | - | 4.90 | 96,835 |
