| Countries of the World Quiz | 0 | - | 5.00 | 47,896,476 |
| Majority Muslim Countries | 0 | - | 4.98 | 377,840 |
| NATO Countries | 0 | - | 4.98 | 283,542 |
| EU Countries Quiz | 0 | - | 4.99 | 278,056 |
| Countries with the Most Military Troops | 0 | - | 4.95 | 291,492 |
| Countries with Nuclear Weapons | 0 | - | 4.86 | 277,089 |
| Top Five Countries by Religion | 0 | - | 4.93 | 173,465 |
| Countries with the Most Elite Universities | 0 | - | 4.95 | 149,811 |
| Countries with NO Military | 0 | - | 4.97 | 63,441 |
| Countries by Number of Books Published | 0 | - | 4.95 | 73,114 |
| Landlocked Countries | 0 | - | 4.99 | 426,116 |
| Countries with the Most Christians | 0 | - | 4.93 | 144,730 |
| Countries with the Most Tanks | 0 | - | 4.91 | 108,325 |
| Biggest Export Partners For Every Country | 0 | - | 4.98 | 51,174 |
| Top Oil Reserve Countries | 0 | - | 4.93 | 75,167 |
| Least Christian Countries with Exceptions | 0 | - | 4.90 | 89,174 |
| Buddhist Countries | 0 | - | 4.96 | 145,126 |
| Countries with the Most Billionaires | 0 | - | 4.91 | 336,990 |
| Countries with the Most Millionaires | 0 | - | 4.86 | 124,725 |
| Countries of Europe Quiz | 0 | - | 5.00 | 3,805,868 |
| Top 10 Biggest African Countries by Area | 0 | - | 4.99 | 218,637 |
| 10 Biggest European Countries by Area | 0 | - | 4.99 | 193,563 |
| 10 Biggest Asian Countries by Area | 0 | - | 4.97 | 154,567 |
| 10 Biggest American Countries by Area | 0 | - | 4.95 | 112,995 |
| Top 10 Most Populous American Countries | 0 | - | 4.96 | 144,849 |
| 10 Westernmost Countries in Europe | 0 | - | 4.96 | 152,100 |
| 10 Southernmost Countries in Africa | 0 | - | 4.98 | 117,828 |
| 10 Northernmost Countries in Africa | 0 | - | 4.98 | 162,387 |
| 10 Southernmost Countries in Asia | 0 | - | 4.97 | 99,942 |
| 10 Easternmost Countries in Asia | 0 | - | 4.99 | 109,182 |
| Top 10 Smallest African Countries by Area | 0 | - | 4.96 | 40,196 |
| Top 10 Countries with the Most Spanish Speakers | 0 | - | 4.95 | 124,951 |
| Countries with the Most Sheep | 0 | - | 4.93 | 103,658 |
| Sahara Desert Countries | 0 | - | 4.98 | 166,390 |
| Himalayan Countries | 0 | - | 4.93 | 140,346 |
| Andean Countries | 0 | - | 4.94 | 85,522 |
| Countries with the Youngest Median Age | 0 | - | 4.97 | 64,669 |
| Countries in the Southern Hemisphere | 0 | - | 4.99 | 127,087 |
| Coffee Producing Countries | 0 | - | 4.83 | 68,244 |
| Countries with Shrinking Populations | 0 | - | 4.94 | 66,476 |
| Danube Countries | 0 | - | 4.97 | 72,433 |
| Countries With an "Ish" Demonym | 0 | - | 4.97 | 117,627 |
| Countries With an "Ese" Demonym | 0 | - | 4.97 | 86,864 |
| Countries with the Worst Passports | 0 | - | 4.93 | 85,177 |
| Countries with the Most Immigrants | 0 | - | 4.90 | 150,653 |
| European Landlocked Countries | 0 | - | 4.99 | 147,629 |
| Partially Recognized Countries | 0 | - | 4.98 | 107,342 |
| Countries with the Most Species | 0 | - | 4.99 | 103,584 |
| Countries 197 to 205 | 0 | - | 4.90 | 71,438 |
| Tropic of Cancer Countries | 0 | - | 4.97 | 53,784 |
| Tropic of Capricorn Countries | 0 | - | 4.96 | 47,893 |
| Countries that Use the Peso | 0 | - | 4.89 | 59,857 |
| Countries with the Largest Exclusive Economic Zone | 0 | - | 4.90 | 73,592 |
| Countries with a AAA Credit Rating | 0 | - | 4.86 | 58,038 |
| Countries in the Alps | 0 | - | 4.87 | 118,814 |
| Top Five Importing Partners by Country | 0 | - | 4.97 | 102,690 |
| Countries, Capitals, Currencies and Official Languages | 0 | - | 5.00 | 107,920 |
| Biggest Import Partners By Country | 0 | - | 4.99 | 78,978 |
| Southernmost Countries by Continent | 0 | - | 4.98 | 97,044 |
| Northernmost Countries by Continent | 0 | - | 4.98 | 116,986 |
| Countries by Population Growth, 1970–Present | 0 | - | 4.92 | 96,283 |
| Five Biggest Countries by Latitude | 0 | - | 4.97 | 101,431 |
| Five Biggest Countries by Longitude | 0 | - | 4.91 | 53,883 |
| Largest Country by Body of Water | 0 | - | 4.96 | 58,442 |
| Countries with the Most Container Port Traffic | 0 | - | 4.92 | 63,202 |
| Bridge and Tunnel Borders | 0 | - | 4.96 | 53,893 |
| Countries with the Longest Road Networks Quiz | 0 | - | 4.91 | 41,754 |
| Countries that Touch the Prime Meridian or Equator | 0 | - | 4.88 | 104,575 |
| Arctic Ocean Countries | 0 | - | 4.95 | 79,820 |
| Countries with the Most Grassland | 0 | - | 4.94 | 77,909 |
| All Countries by Area : Four at a Time | 0 | - | 5.00 | 119,903 |
| Countries with the Most Climate Zones | 0 | - | 4.96 | 68,634 |
| Countries that Host the Most Refugees | 0 | - | 4.96 | 74,258 |
| Countries of the World by Similar Area in 90 Seconds | 0 | - | 4.95 | 46,708 |
| All Countries of the World by Area with Hints | 0 | - | 4.97 | 245,817 |
| World Countries - Blind Typing | 0 | - | 5.00 | 109,207 |
| Countries in Their Own Alphabet | 0 | - | 4.95 | 48,531 |
| Largest Countries By Category | 0 | - | 4.97 | 158,895 |
| Countries by Countries | 0 | - | 4.96 | 63,665 |
| Country Flags With Only Two Colors | 0 | - | 4.91 | 89,126 |
| Top 50 Countries by Population - In Order | 0 | - | 4.98 | 335,655 |
| Spanish-Speaking Countries | 0 | - | 4.95 | 376,749 |
| Countries with the Most Tourists Quiz | 0 | - | 4.92 | 409,815 |
| Island Countries | 0 | - | 4.99 | 712,642 |
| Biggest Countries by Area | 0 | - | 5.00 | 1,055,003 |
| Northernmost Countries | 0 | - | 4.99 | 364,122 |
| Countries of South America | 0 | - | 5.00 | 932,992 |
| Countries of Oceania | 0 | - | 5.00 | 1,063,777 |
| Countries of Asia Quiz | 0 | - | 5.00 | 1,890,050 |
| "Land" Countries | 0 | - | 4.98 | 338,442 |
| Countries that Start with A | 0 | - | 4.98 | 2,176,153 |
| Countries that Start with B | 0 | - | 4.95 | 2,306,872 |
| Countries that Start with C | 0 | - | 4.96 | 1,831,778 |
| Countries that Start with D | 0 | - | 4.96 | 716,653 |
| Countries that Start with E | 0 | - | 4.95 | 1,385,347 |
| Countries that Start with G | 0 | - | 4.97 | 1,511,801 |
| Countries that Start with H | 0 | - | 4.96 | 609,729 |
| Countries that Start with I | 0 | - | 4.92 | 1,294,776 |
| Countries that Start with J | 0 | - | 4.98 | 607,119 |
| Countries that Start with K | 0 | - | 4.97 | 820,919 |
| Countries that Start with L | 0 | - | 4.98 | 1,097,016 |
| Countries that Start with N | 0 | - | 4.93 | 1,124,081 |
| Countries that Start with P | 0 | - | 4.94 | 1,222,233 |
| Countries that Start with S | 0 | - | 4.98 | 1,763,421 |
| Countries that Start with T | 0 | - | 4.90 | 1,015,054 |
| Countries that Start with U | 0 | - | 4.97 | 908,592 |
| Countries that Start with V | 0 | - | 4.98 | 612,099 |
| Countries that Start with F | 0 | - | 4.83 | 621,422 |
| Countries that Start with M | 0 | - | 4.97 | 1,388,475 |
| Countries with the Most Catholics | 0 | - | 4.90 | 110,462 |
| Orthodox Countries | 0 | - | 4.92 | 132,832 |
| Richest Island Countries | 0 | - | 4.85 | 101,238 |
| Countries of the World with an Empty Map | 0 | - | 5.00 | 3,394,358 |
| 10 Easternmost Countries in Africa | 0 | - | 4.98 | 25,130 |
| Monarchies of Europe | 0 | - | 4.90 | 98,894 |
| Monarchies of Asia | 0 | - | 4.97 | 71,516 |
| World Countries by 10 Category Elimination #1 | 0 | - | 4.97 | 124,141 |
| Asian Country Superlatives | 0 | - | 4.84 | 81,297 |
| Countries with the Most Muslims | 0 | - | 4.95 | 161,222 |
| Countries with the Most Exports | 0 | - | 4.96 | 156,185 |
| Top Crude Oil Producing Countries | 0 | - | 4.89 | 190,499 |
| Countries by Oil Consumption | 0 | - | 4.96 | 120,795 |
| Largest Economies in 2050 | 0 | - | 4.90 | 111,945 |
| Richest Countries by Per-Capita GDP | 0 | - | 4.96 | 274,969 |
| Countries With Highest GDP as a Percent of Continent | 0 | - | 4.96 | 105,005 |
| Countries with the Highest GDP per Square Kilometer | 0 | - | 4.89 | 85,105 |
| Five Countries with Most Christians by Continent | 0 | - | 4.99 | 112,573 |
| Five Biggest Economies by Continent | 0 | - | 4.98 | 196,169 |
| African Diaspora - Top 10 Countries | 0 | - | 4.93 | 73,382 |
| European Diaspora - Top 11 Countries | 0 | - | 4.88 | 96,839 |
| 10 European Countries with the Most Tourists | 0 | - | 4.98 | 138,552 |
| 10 Asian Countries with the Most Tourists | 0 | - | 4.89 | 106,884 |
| Countries with the Most Wolves | 0 | - | 4.92 | 108,616 |
| Most Visited Countries by JetPunkers | 0 | - | 4.85 | 119,109 |
| Countries More Populous Than Their Neighbors | 0 | - | 4.99 | 175,227 |
| Countries with Megacities | 0 | - | 4.99 | 267,261 |
| Countries With More than 50 Million People | 0 | - | 4.99 | 200,915 |
| Countries with the Most Population Growth by Decade | 0 | - | 4.98 | 114,173 |
| Countries With More than 200 Million People | 0 | - | 4.95 | 139,226 |
| Countries Less Populous Than Their Neighbors | 0 | - | 4.96 | 82,287 |
| Countries by Official Language | 0 | - | 4.95 | 196,039 |
| Countries with the Most Speakers of These Languages | 0 | - | 4.91 | 297,683 |
| Countries in their Native Language | 0 | - | 4.99 | 199,782 |
| Independence from Whom | 0 | - | 4.99 | 213,127 |
| Subdivisions by Country | 0 | - | 4.87 | 50,627 |
| Who Controlled These Colonies? | 0 | - | 4.88 | 133,480 |
| Megadiverse Countries | 0 | - | 4.96 | 135,294 |
| Countries With the Most English Speakers | 0 | - | 4.86 | 132,980 |
| Countries Producing the Most Sugarcane | 0 | - | 4.94 | 55,547 |
| Countries with Multiple Big Islands | 0 | - | 4.93 | 126,709 |
| Top 10 Wheat-Producing Countries | 0 | - | 4.89 | 75,232 |
| 15 Biggest Island Countries | 0 | - | 4.98 | 164,297 |
| Most Recently-Settled Countries | 0 | - | 4.94 | 62,863 |
| Countries of the World in 1938 Quiz | 0 | - | 4.95 | 95,139 |
| Countries Bigger Than Their Neighbors | 0 | - | 4.93 | 154,576 |
| Countries with Multiple Populous Islands | 0 | - | 4.89 | 96,085 |
| Countries in Relation to Cities #1 | 0 | - | 4.92 | 45,262 |
| Countries by Sports League Revenue | 0 | - | 4.94 | 78,579 |
| Landmarks of Countries #1 | 0 | - | 4.88 | 108,391 |
| Countries Furthest from the United States | 0 | - | 4.94 | 89,452 |
| Countries with the Highest HDI | 0 | - | 4.95 | 137,158 |
| Top 10 Biggest Economies in the Americas | 0 | - | 4.94 | 92,861 |
| Richest Countries A-Z | 0 | - | 4.91 | 104,080 |
| Large Countries with Small Economies | 0 | - | 4.95 | 81,315 |
| Smallest Countries with at Least One Border | 0 | - | 4.87 | 107,729 |
| Southernmost Countries of the World | 0 | - | 4.99 | 229,305 |
| Countries by Inland Surface Water | 0 | - | 4.93 | 106,115 |
| Top 20 Motor Vehicle Producing Countries | 0 | - | 4.91 | 123,590 |
| Countries With the Most Languages | 0 | - | 4.90 | 203,645 |
| Countries with the Highest Population Under Age 15 | 0 | - | 4.96 | 111,465 |
| Countries with the Highest Population 65 and Older | 0 | - | 4.90 | 94,566 |
| Countries with the Most Prisoners | 0 | - | 4.94 | 99,765 |
| Countries with the Most Domestic Camels | 0 | - | 4.94 | 61,713 |
| Tallest Countries North to South | 0 | - | 4.85 | 130,775 |
| Widest Countries East to West | 0 | - | 4.92 | 130,620 |
| Countries with the Highest Average Elevation | 0 | - | 4.98 | 71,604 |
| Largest Countries by Area or Population | 0 | - | 5.00 | 187,278 |
| Countries with the Most Area in the Southern Hemisphere | 0 | - | 4.99 | 98,525 |
| Most Populous Countries as a Percent of Their Continent | 0 | - | 4.97 | 95,076 |
| Largest Countries as a Percent of Continent | 0 | - | 4.97 | 149,003 |
| Countries with the Most Desert | 0 | - | 4.93 | 128,503 |
| Countries by Contribution to UN Budget | 0 | - | 4.87 | 77,511 |
| Countries with Most Nobel Laureates per Capita | 0 | - | 4.83 | 34,897 |
| Countries with Double Letters | 0 | - | 4.96 | 97,132 |
| Countries that End in N | 0 | - | 4.95 | 172,010 |
| Countries with Five Letters | 0 | - | 4.96 | 283,973 |
| Countries with Six Letters | 0 | - | 4.94 | 214,545 |
| Countries with W | 0 | - | 4.96 | 160,996 |
| Countries with Z | 0 | - | 4.98 | 292,517 |
| Countries with Letters Missing | 0 | - | 4.96 | 187,324 |
| Countries That End in U | 0 | - | 4.95 | 121,211 |
| Top 20 Longest One-Word Country Names | 0 | - | 4.97 | 135,149 |
| Countries that End in O | 0 | - | 4.92 | 160,234 |
| Countries that End in R | 0 | - | 4.87 | 119,198 |
| Country Names Created by Only 4 Letters | 0 | - | 4.99 | 155,958 |
| Countries Ending in "IA" | 0 | - | 4.99 | 209,903 |
| Countries by First and Last Letter #1 | 0 | - | 4.97 | 171,183 |
| Countries by Last Two Letters | 0 | - | 4.85 | 135,852 |
| Countries by First and Last Letter #2 | 0 | - | 4.96 | 142,780 |
| Countries That End in Y | 0 | - | 4.91 | 186,101 |
