| Countries with the Most Muslims | 0 | - | 4.95 | 160,115 |
| Top Five Countries by Religion | 0 | - | 4.93 | 170,675 |
| Countries with the Most Christians | 0 | - | 4.92 | 142,752 |
| Least Christian Countries with Exceptions | 0 | - | 4.90 | 87,838 |
| Buddhist Countries | 0 | - | 4.96 | 143,692 |
| Countries with the Most Catholics | 0 | - | 4.90 | 109,045 |
| Orthodox Countries | 0 | - | 4.92 | 131,262 |
| Five Countries with Most Christians by Continent | 0 | - | 4.99 | 111,430 |
| Sharia Law Countries | 0 | - | 4.48 | 63,586 |
| Countries of the World Quiz | 0 | - | 5.00 | 47,314,069 |
| NATO Countries | 0 | - | 4.98 | 279,168 |
| EU Countries Quiz | 0 | - | 4.99 | 272,795 |
| Countries with the Most Military Troops | 0 | - | 4.95 | 287,364 |
| Countries with Nuclear Weapons | 0 | - | 4.86 | 271,783 |
| Countries with the Most Elite Universities | 0 | - | 4.94 | 147,933 |
| Countries with NO Military | 0 | - | 4.97 | 61,928 |
| Countries by Number of Books Published | 0 | - | 4.95 | 72,378 |
| Top 10 Most Islamic European Countries | 0 | - | 4.75 | 160,711 |
| Landlocked Countries | 0 | - | 4.99 | 418,600 |
| Countries with the Most Tanks | 0 | - | 4.91 | 107,094 |
| Biggest Export Partners For Every Country | 0 | - | 4.98 | 50,336 |
| Top Oil Reserve Countries | 0 | - | 4.93 | 74,635 |
| Category Elimination - Countries #1 | 0 | - | 4.99 | 319,665 |
| Countries with the Most Billionaires | 0 | - | 4.90 | 334,584 |
| Countries with the Most Millionaires | 0 | - | 4.86 | 123,149 |
| Countries of Europe Quiz | 0 | - | 5.00 | 3,754,983 |
| Sahara Desert Countries | 0 | - | 4.98 | 162,813 |
| Himalayan Countries | 0 | - | 4.94 | 137,272 |
| Andean Countries | 0 | - | 4.95 | 83,850 |
| Countries with the Youngest Median Age | 0 | - | 4.97 | 63,128 |
| Countries in the Southern Hemisphere | 0 | - | 4.99 | 124,526 |
| Coffee Producing Countries | 0 | - | 4.83 | 66,780 |
| Countries with Shrinking Populations | 0 | - | 4.94 | 65,302 |
| Danube Countries | 0 | - | 4.97 | 71,616 |
| Countries With an "Ish" Demonym | 0 | - | 4.97 | 116,501 |
| Countries With an "Ese" Demonym | 0 | - | 4.97 | 86,020 |
| Countries with the Worst Passports | 0 | - | 4.94 | 83,583 |
| Countries with the Most Immigrants | 0 | - | 4.90 | 148,653 |
| European Landlocked Countries | 0 | - | 4.99 | 146,734 |
| Partially Recognized Countries | 0 | - | 4.98 | 106,083 |
| Countries with the Most Species | 0 | - | 4.99 | 102,870 |
| Countries 197 to 205 | 0 | - | 4.89 | 70,217 |
| Tropic of Cancer Countries | 0 | - | 4.97 | 53,422 |
| Tropic of Capricorn Countries | 0 | - | 4.96 | 47,576 |
| Countries that Use the Peso | 0 | - | 4.89 | 59,282 |
| Countries with the Largest Exclusive Economic Zone | 0 | - | 4.90 | 72,960 |
| Countries with a AAA Credit Rating | 0 | - | 4.86 | 57,335 |
| Countries in the Alps | 0 | - | 4.87 | 117,632 |
| Top Five Importing Partners by Country | 0 | - | 4.97 | 95,096 |
| Countries, Capitals, Currencies and Official Languages | 0 | - | 5.00 | 106,308 |
| Biggest Import Partners By Country | 0 | - | 4.99 | 78,387 |
| Southernmost Countries by Continent | 0 | - | 4.98 | 95,951 |
| Northernmost Countries by Continent | 0 | - | 4.98 | 116,053 |
| Countries by Population Growth, 1970–Present | 0 | - | 4.92 | 95,422 |
| Five Biggest Countries by Latitude | 0 | - | 4.97 | 100,239 |
| Five Biggest Countries by Longitude | 0 | - | 4.91 | 53,155 |
| Largest Country by Body of Water | 0 | - | 4.96 | 57,945 |
| Countries with the Most Container Port Traffic | 0 | - | 4.92 | 62,524 |
| Bridge and Tunnel Borders | 0 | - | 4.96 | 53,458 |
| Countries with the Longest Road Networks Quiz | 0 | - | 4.90 | 41,321 |
| Countries that Touch the Prime Meridian or Equator | 0 | - | 4.88 | 103,897 |
| Arctic Ocean Countries | 0 | - | 4.95 | 79,167 |
| Countries with the Most Grassland | 0 | - | 4.94 | 77,181 |
| All Countries by Area : Four at a Time | 0 | - | 5.00 | 118,125 |
| Countries with the Most Climate Zones | 0 | - | 4.96 | 68,042 |
| Countries that Host the Most Refugees | 0 | - | 4.95 | 59,554 |
| Countries of the World by Similar Area in 90 Seconds | 0 | - | 4.95 | 45,479 |
| All Countries of the World by Area with Hints | 0 | - | 4.97 | 242,231 |
| World Countries - Blind Typing | 0 | - | 5.00 | 107,148 |
| Countries in Their Own Alphabet | 0 | - | 4.95 | 47,972 |
| Largest Countries By Category | 0 | - | 4.97 | 157,581 |
| Countries by Countries | 0 | - | 4.96 | 62,808 |
| Country Flags With Only Two Colors | 0 | - | 4.92 | 88,296 |
| Top 50 Countries by Population - In Order | 0 | - | 4.98 | 328,720 |
| Spanish-Speaking Countries | 0 | - | 4.95 | 374,509 |
| Countries with the Most Tourists Quiz | 0 | - | 4.92 | 404,941 |
| Island Countries | 0 | - | 4.99 | 709,617 |
| Countries with the Most Cathedrals | 0 | - | 4.49 | 45,338 |
| Biggest Countries by Area | 0 | - | 4.99 | 1,045,736 |
| Northernmost Countries | 0 | - | 4.99 | 360,343 |
| Countries of South America | 0 | - | 5.00 | 922,537 |
| Countries of Oceania | 0 | - | 5.00 | 1,050,522 |
| Countries of Asia Quiz | 0 | - | 5.00 | 1,865,506 |
| "Land" Countries | 0 | - | 4.98 | 335,725 |
| Countries that Start with A | 0 | - | 4.98 | 2,158,473 |
| Countries that Start with B | 0 | - | 4.95 | 2,290,469 |
| Countries that Start with C | 0 | - | 4.96 | 1,818,845 |
| Countries that Start with D | 0 | - | 4.96 | 707,375 |
| Countries that Start with E | 0 | - | 4.95 | 1,374,569 |
| Countries that Start with G | 0 | - | 4.97 | 1,500,224 |
| Countries that Start with H | 0 | - | 4.96 | 602,874 |
| Countries that Start with I | 0 | - | 4.92 | 1,285,933 |
| Countries that Start with J | 0 | - | 4.98 | 600,728 |
| Countries that Start with K | 0 | - | 4.97 | 813,817 |
| Countries that Start with L | 0 | - | 4.98 | 1,088,669 |
| Countries that Start with N | 0 | - | 4.93 | 1,115,616 |
| Countries that Start with P | 0 | - | 4.94 | 1,214,112 |
| Countries that Start with S | 0 | - | 4.98 | 1,752,113 |
| Countries that Start with T | 0 | - | 4.90 | 1,008,325 |
| Countries that Start with U | 0 | - | 4.97 | 903,235 |
| Countries that Start with V | 0 | - | 4.98 | 608,295 |
| Countries that Start with F | 0 | - | 4.83 | 616,145 |
| Countries that Start with M | 0 | - | 4.97 | 1,379,372 |
| Richest Island Countries | 0 | - | 4.84 | 100,281 |
| Countries of the World with an Empty Map | 0 | - | 5.00 | 3,375,055 |
| Monarchies of Europe | 0 | - | 4.90 | 97,934 |
| Monarchies of Asia | 0 | - | 4.97 | 70,966 |
| World Countries by 10 Category Elimination #1 | 0 | - | 4.97 | 122,495 |
| Asian Country Superlatives | 0 | - | 4.84 | 80,769 |
| Countries with the Most Exports | 0 | - | 4.96 | 155,070 |
| Top Crude Oil Producing Countries | 0 | - | 4.89 | 189,383 |
| Countries by Oil Consumption | 0 | - | 4.96 | 120,267 |
| Largest Economies in 2050 | 0 | - | 4.90 | 111,248 |
| Richest Countries by Per-Capita GDP | 0 | - | 4.96 | 270,190 |
| Countries With Highest GDP as a Percent of Continent | 0 | - | 4.96 | 104,013 |
| Countries with the Highest GDP per Square Kilometer | 0 | - | 4.89 | 84,337 |
| Five Biggest Economies by Continent | 0 | - | 4.98 | 194,869 |
| Most Visited Countries by JetPunkers | 0 | - | 4.85 | 118,142 |
| Countries More Populous Than Their Neighbors | 0 | - | 4.99 | 172,924 |
| Countries with Megacities | 0 | - | 4.99 | 257,540 |
| Countries With More than 50 Million People | 0 | - | 4.99 | 198,785 |
| Countries with the Most Population Growth by Decade | 0 | - | 4.98 | 112,931 |
| Countries With More than 200 Million People | 0 | - | 4.96 | 137,075 |
| Countries Less Populous Than Their Neighbors | 0 | - | 4.96 | 80,936 |
| Countries by Official Language | 0 | - | 4.95 | 194,585 |
| Countries with the Most Speakers of These Languages | 0 | - | 4.91 | 295,464 |
| Countries in their Native Language | 0 | - | 4.99 | 198,131 |
| Independence from Whom | 0 | - | 4.99 | 211,242 |
| Subdivisions by Country | 0 | - | 4.86 | 50,273 |
| Who Controlled These Colonies? | 0 | - | 4.88 | 131,646 |
| Megadiverse Countries | 0 | - | 4.96 | 134,746 |
| Countries With the Most English Speakers | 0 | - | 4.86 | 131,508 |
| Countries Producing the Most Sugarcane | 0 | - | 4.95 | 55,167 |
| Countries with Multiple Big Islands | 0 | - | 4.93 | 125,733 |
| Top 10 Wheat-Producing Countries | 0 | - | 4.89 | 75,007 |
| 15 Biggest Island Countries | 0 | - | 4.98 | 162,673 |
| Most Recently-Settled Countries | 0 | - | 4.94 | 62,360 |
| Countries of the World in 1938 Quiz | 0 | - | 4.95 | 93,926 |
| Countries Bigger Than Their Neighbors | 0 | - | 4.93 | 153,825 |
| Countries with Multiple Populous Islands | 0 | - | 4.89 | 95,467 |
| Countries in Relation to Cities #1 | 0 | - | 4.92 | 44,975 |
| Countries by Sports League Revenue | 0 | - | 4.94 | 76,893 |
| Landmarks of Countries #1 | 0 | - | 4.88 | 107,696 |
| African Countries with the Most Christians | 0 | - | 4.94 | 75,420 |
| Catholic Countries | 0 | - | 4.78 | 214,514 |
| Countries Furthest from the United States | 0 | - | 4.94 | 88,971 |
| Countries with the Highest HDI | 0 | - | 4.95 | 136,757 |
| Top 10 Biggest Economies in the Americas | 0 | - | 4.94 | 91,893 |
| Richest Countries A-Z | 0 | - | 4.91 | 102,718 |
| Large Countries with Small Economies | 0 | - | 4.95 | 80,753 |
| Smallest Countries with at Least One Border | 0 | - | 4.87 | 107,005 |
| Southernmost Countries of the World | 0 | - | 4.99 | 227,443 |
| Countries by Inland Surface Water | 0 | - | 4.94 | 104,896 |
| Top 20 Motor Vehicle Producing Countries | 0 | - | 4.91 | 122,605 |
| Countries With the Most Languages | 0 | - | 4.90 | 201,262 |
| Countries with the Highest Population Under Age 15 | 0 | - | 4.95 | 110,487 |
| Countries with the Highest Population 65 and Older | 0 | - | 4.90 | 93,649 |
| Countries with the Most Prisoners | 0 | - | 4.94 | 98,800 |
| Countries with the Most Domestic Camels | 0 | - | 4.94 | 61,247 |
| Tallest Countries North to South | 0 | - | 4.83 | 120,256 |
| Widest Countries East to West | 0 | - | 4.92 | 129,340 |
| Countries with the Highest Average Elevation | 0 | - | 4.98 | 71,376 |
| Largest Countries by Area or Population | 0 | - | 5.00 | 185,925 |
| Countries with the Most Area in the Southern Hemisphere | 0 | - | 4.99 | 97,983 |
| Most Populous Countries as a Percent of Their Continent | 0 | - | 4.97 | 94,491 |
| Largest Countries as a Percent of Continent | 0 | - | 4.97 | 148,182 |
| Countries with the Most Desert | 0 | - | 4.93 | 127,518 |
| Countries by Contribution to UN Budget | 0 | - | 4.87 | 77,222 |
| Countries with Most Nobel Laureates per Capita | 0 | - | 4.83 | 34,723 |
| Countries with Double Letters | 0 | - | 4.97 | 95,036 |
| Countries that End in N | 0 | - | 4.95 | 169,893 |
| Countries with Five Letters | 0 | - | 4.96 | 279,844 |
| Countries with Six Letters | 0 | - | 4.94 | 212,418 |
| Countries with W | 0 | - | 4.97 | 159,492 |
| Countries with Z | 0 | - | 4.98 | 289,738 |
| Countries with Letters Missing | 0 | - | 4.96 | 185,687 |
| Countries That End in U | 0 | - | 4.95 | 120,389 |
| Top 20 Longest One-Word Country Names | 0 | - | 4.98 | 133,709 |
| Countries that End in O | 0 | - | 4.92 | 159,179 |
| Countries that End in R | 0 | - | 4.87 | 118,722 |
| Country Names Created by Only 4 Letters | 0 | - | 4.99 | 155,501 |
| Countries Ending in "IA" | 0 | - | 4.99 | 208,268 |
| Countries by First and Last Letter #1 | 0 | - | 4.97 | 170,073 |
| Countries by Last Two Letters | 0 | - | 4.85 | 135,062 |
| Countries by First and Last Letter #2 | 0 | - | 4.96 | 141,644 |
| Countries That End in Y | 0 | - | 4.90 | 185,637 |
| Countries Based on First Two Letters #1 | 0 | - | 4.99 | 197,185 |
| Countries with Cardinal Directions in Their Names | 0 | - | 4.92 | 152,391 |
| Countries that End in I | 0 | - | 4.94 | 134,848 |
| Countries Based on First Two Letters #2 | 0 | - | 4.99 | 183,039 |
| Countries by Initial Letter and Length #1 | 0 | - | 4.98 | 95,562 |
| Countries That End in NIA | 0 | - | 4.92 | 109,499 |
| Countries That End in BIA | 0 | - | 4.93 | 148,820 |
| Countries by Initial Letter and Continent #1 | 0 | - | 4.94 | 166,679 |
| Countries Whose Names Start with Saint | 0 | - | 4.87 | 119,025 |
| Countries That End in RIA | 0 | - | 4.93 | 126,513 |
| Most Common Words in Official Country Names | 0 | - | 4.86 | 110,599 |
| Divided Country Name Puzzle #1 | 0 | - | 4.99 | 226,612 |
| Divided Country Name Puzzle #2 | 0 | - | 4.99 | 133,181 |
| Divided Country Name Puzzle #3 | 0 | - | 4.92 | 125,529 |
