| Countries with the Most Muslims | 0 | - | 4.95 | 159,427 |
| Top Five Countries by Religion | 0 | - | 4.93 | 169,293 |
| Countries with the Most Christians | 0 | - | 4.92 | 141,672 |
| Least Christian Countries with Exceptions | 0 | - | 4.90 | 87,046 |
| Buddhist Countries | 0 | - | 4.96 | 143,083 |
| Countries with the Most Catholics | 0 | - | 4.90 | 108,199 |
| Orthodox Countries | 0 | - | 4.91 | 130,528 |
| Five Countries with Most Christians by Continent | 0 | - | 4.99 | 110,736 |
| Sharia Law Countries | 0 | - | 4.48 | 63,395 |
| Countries of the World Quiz | 0 | - | 5.00 | 46,995,564 |
| NATO Countries | 0 | - | 4.98 | 276,588 |
| EU Countries Quiz | 0 | - | 4.99 | 270,465 |
| Countries with the Most Military Troops | 0 | - | 4.95 | 285,384 |
| Countries with Nuclear Weapons | 0 | - | 4.86 | 268,931 |
| Countries with the Most Elite Universities | 0 | - | 4.94 | 146,960 |
| Countries with NO Military | 0 | - | 4.97 | 61,271 |
| Countries by Number of Books Published | 0 | - | 4.95 | 71,984 |
| Top 10 Most Islamic European Countries | 0 | - | 4.75 | 160,393 |
| Landlocked Countries | 0 | - | 4.99 | 414,519 |
| Countries with the Most Tanks | 0 | - | 4.91 | 106,418 |
| Biggest Export Partners For Every Country | 0 | - | 4.98 | 49,825 |
| Top Oil Reserve Countries | 0 | - | 4.93 | 74,232 |
| Category Elimination - Countries #1 | 0 | - | 4.99 | 317,435 |
| Countries with the Most Billionaires | 0 | - | 4.90 | 333,176 |
| Countries with the Most Millionaires | 0 | - | 4.86 | 122,281 |
| Countries of Europe Quiz | 0 | - | 5.00 | 3,724,372 |
| Sahara Desert Countries | 0 | - | 4.98 | 160,973 |
| Himalayan Countries | 0 | - | 4.95 | 135,683 |
| Andean Countries | 0 | - | 4.94 | 83,019 |
| Countries with the Youngest Median Age | 0 | - | 4.97 | 62,367 |
| Countries in the Southern Hemisphere | 0 | - | 4.99 | 123,421 |
| Coffee Producing Countries | 0 | - | 4.81 | 66,063 |
| Countries with Shrinking Populations | 0 | - | 4.94 | 64,729 |
| Danube Countries | 0 | - | 4.97 | 71,172 |
| Countries With an "Ish" Demonym | 0 | - | 4.97 | 115,887 |
| Countries With an "Ese" Demonym | 0 | - | 4.97 | 85,632 |
| Countries with the Worst Passports | 0 | - | 4.94 | 82,692 |
| Countries with the Most Immigrants | 0 | - | 4.90 | 147,592 |
| European Landlocked Countries | 0 | - | 4.99 | 145,874 |
| Partially Recognized Countries | 0 | - | 4.98 | 105,353 |
| Countries with the Most Species | 0 | - | 4.99 | 95,297 |
| Countries 197 to 205 | 0 | - | 4.89 | 69,507 |
| Tropic of Cancer Countries | 0 | - | 4.97 | 53,234 |
| Tropic of Capricorn Countries | 0 | - | 4.96 | 47,403 |
| Countries that Use the Peso | 0 | - | 4.88 | 59,011 |
| Countries with the Largest Exclusive Economic Zone | 0 | - | 4.89 | 72,652 |
| Countries with a AAA Credit Rating | 0 | - | 4.85 | 57,019 |
| Countries in the Alps | 0 | - | 4.86 | 116,973 |
| Top Five Importing Partners by Country | 0 | - | 4.97 | 94,677 |
| Countries, Capitals, Currencies and Official Languages | 0 | - | 5.00 | 105,439 |
| Biggest Import Partners By Country | 0 | - | 4.99 | 78,102 |
| Southernmost Countries by Continent | 0 | - | 4.98 | 95,507 |
| Northernmost Countries by Continent | 0 | - | 4.98 | 115,288 |
| Countries by Population Growth, 1970–Present | 0 | - | 4.91 | 95,084 |
| Five Biggest Countries by Latitude | 0 | - | 4.97 | 99,688 |
| Five Biggest Countries by Longitude | 0 | - | 4.91 | 52,834 |
| Largest Country by Body of Water | 0 | - | 4.96 | 57,583 |
| Countries with the Most Container Port Traffic | 0 | - | 4.92 | 62,147 |
| Bridge and Tunnel Borders | 0 | - | 4.96 | 53,230 |
| Countries with the Longest Road Networks Quiz | 0 | - | 4.90 | 41,097 |
| Countries that Touch the Prime Meridian or Equator | 0 | - | 4.88 | 103,527 |
| Arctic Ocean Countries | 0 | - | 4.95 | 78,824 |
| Countries with the Most Grassland | 0 | - | 4.93 | 76,825 |
| All Countries by Area : Four at a Time | 0 | - | 5.00 | 117,273 |
| Countries with the Most Climate Zones | 0 | - | 4.96 | 67,732 |
| Countries that Host the Most Refugees | 0 | - | 4.95 | 59,306 |
| Countries of the World by Similar Area in 90 Seconds | 0 | - | 4.95 | 44,928 |
| All Countries of the World by Area with Hints | 0 | - | 4.97 | 239,802 |
| World Countries - Blind Typing | 0 | - | 5.00 | 105,975 |
| Countries in Their Own Alphabet | 0 | - | 4.95 | 47,681 |
| Largest Countries By Category | 0 | - | 4.97 | 156,904 |
| Countries by Countries | 0 | - | 4.96 | 62,354 |
| Country Flags With Only Two Colors | 0 | - | 4.92 | 87,850 |
| Top 50 Countries by Population - In Order | 0 | - | 4.98 | 325,089 |
| Spanish-Speaking Countries | 0 | - | 4.95 | 372,465 |
| Countries with the Most Tourists Quiz | 0 | - | 4.92 | 402,297 |
| Island Countries | 0 | - | 4.99 | 707,974 |
| Countries with the Most Cathedrals | 0 | - | 4.51 | 39,879 |
| Biggest Countries by Area | 0 | - | 4.99 | 1,040,710 |
| Northernmost Countries | 0 | - | 4.99 | 358,234 |
| Countries of South America | 0 | - | 5.00 | 916,329 |
| Countries of Oceania | 0 | - | 5.00 | 1,042,529 |
| Countries of Asia Quiz | 0 | - | 5.00 | 1,851,599 |
| "Land" Countries | 0 | - | 4.98 | 333,904 |
| Countries that Start with A | 0 | - | 4.97 | 2,149,079 |
| Countries that Start with B | 0 | - | 4.95 | 2,281,786 |
| Countries that Start with C | 0 | - | 4.96 | 1,811,908 |
| Countries that Start with D | 0 | - | 4.96 | 702,623 |
| Countries that Start with E | 0 | - | 4.95 | 1,368,811 |
| Countries that Start with G | 0 | - | 4.97 | 1,494,187 |
| Countries that Start with H | 0 | - | 4.96 | 598,829 |
| Countries that Start with I | 0 | - | 4.92 | 1,281,327 |
| Countries that Start with J | 0 | - | 4.98 | 596,874 |
| Countries that Start with K | 0 | - | 4.97 | 810,209 |
| Countries that Start with L | 0 | - | 4.98 | 1,083,923 |
| Countries that Start with N | 0 | - | 4.93 | 1,110,805 |
| Countries that Start with P | 0 | - | 4.94 | 1,209,518 |
| Countries that Start with S | 0 | - | 4.98 | 1,745,958 |
| Countries that Start with T | 0 | - | 4.90 | 1,004,946 |
| Countries that Start with U | 0 | - | 4.97 | 900,534 |
| Countries that Start with V | 0 | - | 4.98 | 605,646 |
| Countries that Start with F | 0 | - | 4.83 | 612,918 |
| Countries that Start with M | 0 | - | 4.97 | 1,374,478 |
| Richest Island Countries | 0 | - | 4.84 | 99,648 |
| Countries of the World with an Empty Map | 0 | - | 5.00 | 3,364,933 |
| Monarchies of Europe | 0 | - | 4.90 | 97,446 |
| Monarchies of Asia | 0 | - | 4.97 | 70,666 |
| World Countries by 10 Category Elimination #1 | 0 | - | 4.97 | 121,634 |
| Asian Country Superlatives | 0 | - | 4.83 | 80,488 |
| Countries with the Most Exports | 0 | - | 4.96 | 154,316 |
| Top Crude Oil Producing Countries | 0 | - | 4.89 | 188,626 |
| Countries by Oil Consumption | 0 | - | 4.96 | 119,606 |
| Largest Economies in 2050 | 0 | - | 4.90 | 110,744 |
| Richest Countries by Per-Capita GDP | 0 | - | 4.96 | 262,507 |
| Countries With Highest GDP as a Percent of Continent | 0 | - | 4.95 | 103,074 |
| Countries with the Highest GDP per Square Kilometer | 0 | - | 4.90 | 83,812 |
| Five Biggest Economies by Continent | 0 | - | 4.98 | 194,093 |
| Most Visited Countries by JetPunkers | 0 | - | 4.85 | 117,602 |
| Countries More Populous Than Their Neighbors | 0 | - | 4.99 | 171,684 |
| Countries with Megacities | 0 | - | 4.99 | 247,698 |
| Countries With More than 50 Million People | 0 | - | 4.99 | 197,534 |
| Countries with the Most Population Growth by Decade | 0 | - | 4.98 | 112,227 |
| Countries With More than 200 Million People | 0 | - | 4.96 | 135,926 |
| Countries Less Populous Than Their Neighbors | 0 | - | 4.96 | 80,167 |
| Countries by Official Language | 0 | - | 4.95 | 192,964 |
| Countries with the Most Speakers of These Languages | 0 | - | 4.91 | 293,411 |
| Countries in their Native Language | 0 | - | 4.99 | 196,819 |
| Independence from Whom | 0 | - | 4.99 | 209,933 |
| Subdivisions by Country | 0 | - | 4.86 | 50,111 |
| Who Controlled These Colonies? | 0 | - | 4.88 | 130,921 |
| Megadiverse Countries | 0 | - | 4.97 | 133,970 |
| Countries With the Most English Speakers | 0 | - | 4.86 | 129,993 |
| Countries Producing the Most Sugarcane | 0 | - | 4.95 | 54,962 |
| Countries with Multiple Big Islands | 0 | - | 4.92 | 125,478 |
| Top 10 Wheat-Producing Countries | 0 | - | 4.89 | 74,883 |
| 15 Biggest Island Countries | 0 | - | 4.98 | 161,779 |
| Most Recently-Settled Countries | 0 | - | 4.94 | 62,065 |
| Countries of the World in 1938 Quiz | 0 | - | 4.95 | 93,206 |
| Countries Bigger Than Their Neighbors | 0 | - | 4.93 | 153,225 |
| Countries with Multiple Populous Islands | 0 | - | 4.89 | 95,256 |
| Countries in Relation to Cities #1 | 0 | - | 4.92 | 44,767 |
| Countries by Sports League Revenue | 0 | - | 4.94 | 75,757 |
| Landmarks of Countries #1 | 0 | - | 4.88 | 107,460 |
| African Countries with the Most Christians | 0 | - | 4.94 | 74,947 |
| Catholic Countries | 0 | - | 4.78 | 213,779 |
| Countries Furthest from the United States | 0 | - | 4.94 | 88,564 |
| Countries with the Highest HDI | 0 | - | 4.95 | 136,550 |
| Top 10 Biggest Economies in the Americas | 0 | - | 4.93 | 91,171 |
| Richest Countries A-Z | 0 | - | 4.92 | 102,038 |
| Large Countries with Small Economies | 0 | - | 4.94 | 80,408 |
| Smallest Countries with at Least One Border | 0 | - | 4.87 | 106,427 |
| Southernmost Countries of the World | 0 | - | 4.99 | 226,590 |
| Countries by Inland Surface Water | 0 | - | 4.94 | 104,369 |
| Top 20 Motor Vehicle Producing Countries | 0 | - | 4.91 | 122,109 |
| Countries With the Most Languages | 0 | - | 4.90 | 200,063 |
| Countries with the Highest Population Under Age 15 | 0 | - | 4.95 | 110,006 |
| Countries with the Highest Population 65 and Older | 0 | - | 4.90 | 93,200 |
| Countries with the Most Prisoners | 0 | - | 4.94 | 98,402 |
| Countries with the Most Domestic Camels | 0 | - | 4.94 | 61,017 |
| Tallest Countries North to South | 0 | - | 4.83 | 119,450 |
| Widest Countries East to West | 0 | - | 4.92 | 128,951 |
| Countries with the Highest Average Elevation | 0 | - | 4.98 | 71,258 |
| Largest Countries by Area or Population | 0 | - | 5.00 | 185,359 |
| Countries with the Most Area in the Southern Hemisphere | 0 | - | 4.99 | 97,611 |
| Most Populous Countries as a Percent of Their Continent | 0 | - | 4.97 | 93,774 |
| Largest Countries as a Percent of Continent | 0 | - | 4.97 | 147,718 |
| Countries with the Most Desert | 0 | - | 4.93 | 127,147 |
| Countries by Contribution to UN Budget | 0 | - | 4.89 | 73,774 |
| Countries with Most Nobel Laureates per Capita | 0 | - | 4.84 | 34,623 |
| Countries with Double Letters | 0 | - | 4.96 | 93,567 |
| Countries that End in N | 0 | - | 4.94 | 157,050 |
| Countries with Five Letters Quiz | 0 | - | 4.96 | 258,883 |
| Countries with Six Letters | 0 | - | 4.93 | 210,551 |
| Countries with W | 0 | - | 4.97 | 158,348 |
| Countries with Z | 0 | - | 4.98 | 288,079 |
| Countries with Letters Missing | 0 | - | 4.97 | 184,670 |
| Countries That End in U | 0 | - | 4.95 | 119,585 |
| Top 20 Longest One-Word Country Names | 0 | - | 4.98 | 132,766 |
| Countries that End in O | 0 | - | 4.92 | 158,615 |
| Countries that End in R | 0 | - | 4.87 | 118,334 |
| Country Names Created by Only 4 Letters | 0 | - | 4.99 | 154,902 |
| Countries Ending in "IA" | 0 | - | 4.99 | 207,278 |
| Countries by First and Last Letter #1 | 0 | - | 4.97 | 169,462 |
| Countries by Last Two Letters | 0 | - | 4.85 | 134,586 |
| Countries by First and Last Letter #2 | 0 | - | 4.96 | 141,126 |
| Countries That End in Y | 0 | - | 4.90 | 185,253 |
| Countries Based on First Two Letters #1 | 0 | - | 4.99 | 196,513 |
| Countries with Cardinal Directions in Their Names | 0 | - | 4.92 | 151,806 |
| Countries that End in I | 0 | - | 4.94 | 134,493 |
| Countries Based on First Two Letters #2 | 0 | - | 4.99 | 182,344 |
| Countries by Initial Letter and Length #1 | 0 | - | 4.98 | 95,252 |
| Countries That End in NIA | 0 | - | 4.92 | 109,073 |
| Countries That End in BIA | 0 | - | 4.92 | 147,794 |
| Countries by Initial Letter and Continent #1 | 0 | - | 4.94 | 166,176 |
| Countries Whose Names Start with Saint | 0 | - | 4.87 | 118,579 |
| Countries That End in RIA | 0 | - | 4.93 | 126,147 |
| Most Common Words in Official Country Names | 0 | - | 4.85 | 110,107 |
| Divided Country Name Puzzle #1 | 0 | - | 4.99 | 225,544 |
| Divided Country Name Puzzle #2 | 0 | - | 4.99 | 132,612 |
| Divided Country Name Puzzle #3 | 0 | - | 4.92 | 124,975 |
