| Countries with the Most Muslims | 0 | - | 4.95 | 160,281 |
| Top Five Countries by Religion | 0 | - | 4.93 | 171,070 |
| Countries with the Most Christians | 0 | - | 4.92 | 143,016 |
| Least Christian Countries with Exceptions | 0 | - | 4.90 | 88,058 |
| Buddhist Countries | 0 | - | 4.96 | 144,224 |
| Countries with the Most Catholics | 0 | - | 4.90 | 109,267 |
| Orthodox Countries | 0 | - | 4.92 | 131,470 |
| Five Countries with Most Christians by Continent | 0 | - | 4.99 | 111,614 |
| Sharia Law Countries | 0 | - | 4.48 | 63,638 |
| Countries of the World Quiz | 0 | - | 5.00 | 47,398,531 |
| NATO Countries | 0 | - | 4.98 | 279,803 |
| EU Countries Quiz | 0 | - | 4.99 | 273,468 |
| Countries with the Most Military Troops | 0 | - | 4.95 | 287,912 |
| Countries with Nuclear Weapons | 0 | - | 4.86 | 272,539 |
| Countries with the Most Elite Universities | 0 | - | 4.94 | 148,192 |
| Countries with NO Military | 0 | - | 4.97 | 62,106 |
| Countries by Number of Books Published | 0 | - | 4.95 | 72,481 |
| Top 10 Most Islamic European Countries | 0 | - | 4.75 | 160,812 |
| Landlocked Countries | 0 | - | 4.99 | 419,733 |
| Countries with the Most Tanks | 0 | - | 4.91 | 107,286 |
| Biggest Export Partners For Every Country | 0 | - | 4.98 | 50,467 |
| Top Oil Reserve Countries | 0 | - | 4.93 | 74,722 |
| Category Elimination - Countries #1 | 0 | - | 4.99 | 320,309 |
| Countries with the Most Billionaires | 0 | - | 4.90 | 335,197 |
| Countries with the Most Millionaires | 0 | - | 4.86 | 123,397 |
| Countries of Europe Quiz | 0 | - | 5.00 | 3,762,243 |
| Sahara Desert Countries | 0 | - | 4.98 | 163,332 |
| Himalayan Countries | 0 | - | 4.95 | 137,767 |
| Andean Countries | 0 | - | 4.95 | 84,102 |
| Countries with the Youngest Median Age | 0 | - | 4.97 | 63,340 |
| Countries in the Southern Hemisphere | 0 | - | 4.99 | 124,878 |
| Coffee Producing Countries | 0 | - | 4.83 | 66,970 |
| Countries with Shrinking Populations | 0 | - | 4.94 | 65,449 |
| Danube Countries | 0 | - | 4.97 | 71,743 |
| Countries With an "Ish" Demonym | 0 | - | 4.97 | 116,672 |
| Countries With an "Ese" Demonym | 0 | - | 4.97 | 86,142 |
| Countries with the Worst Passports | 0 | - | 4.94 | 83,808 |
| Countries with the Most Immigrants | 0 | - | 4.90 | 148,885 |
| European Landlocked Countries | 0 | - | 4.99 | 146,865 |
| Partially Recognized Countries | 0 | - | 4.98 | 106,246 |
| Countries with the Most Species | 0 | - | 4.99 | 103,010 |
| Countries 197 to 205 | 0 | - | 4.89 | 70,404 |
| Tropic of Cancer Countries | 0 | - | 4.97 | 53,458 |
| Tropic of Capricorn Countries | 0 | - | 4.96 | 47,622 |
| Countries that Use the Peso | 0 | - | 4.89 | 59,374 |
| Countries with the Largest Exclusive Economic Zone | 0 | - | 4.90 | 73,046 |
| Countries with a AAA Credit Rating | 0 | - | 4.86 | 57,442 |
| Countries in the Alps | 0 | - | 4.87 | 117,824 |
| Top Five Importing Partners by Country | 0 | - | 4.97 | 95,221 |
| Countries, Capitals, Currencies and Official Languages | 0 | - | 5.00 | 106,550 |
| Biggest Import Partners By Country | 0 | - | 4.99 | 78,473 |
| Southernmost Countries by Continent | 0 | - | 4.98 | 96,328 |
| Northernmost Countries by Continent | 0 | - | 4.98 | 116,211 |
| Countries by Population Growth, 1970–Present | 0 | - | 4.92 | 95,781 |
| Five Biggest Countries by Latitude | 0 | - | 4.97 | 100,376 |
| Five Biggest Countries by Longitude | 0 | - | 4.91 | 53,262 |
| Largest Country by Body of Water | 0 | - | 4.96 | 58,024 |
| Countries with the Most Container Port Traffic | 0 | - | 4.92 | 62,627 |
| Bridge and Tunnel Borders | 0 | - | 4.96 | 53,524 |
| Countries with the Longest Road Networks Quiz | 0 | - | 4.90 | 41,374 |
| Countries that Touch the Prime Meridian or Equator | 0 | - | 4.88 | 103,995 |
| Arctic Ocean Countries | 0 | - | 4.95 | 79,262 |
| Countries with the Most Grassland | 0 | - | 4.94 | 77,284 |
| All Countries by Area : Four at a Time | 0 | - | 5.00 | 118,366 |
| Countries with the Most Climate Zones | 0 | - | 4.96 | 68,119 |
| Countries that Host the Most Refugees | 0 | - | 4.95 | 59,627 |
| Countries of the World by Similar Area in 90 Seconds | 0 | - | 4.95 | 45,662 |
| All Countries of the World by Area with Hints | 0 | - | 4.97 | 242,764 |
| World Countries - Blind Typing | 0 | - | 5.00 | 107,450 |
| Countries in Their Own Alphabet | 0 | - | 4.95 | 48,043 |
| Largest Countries By Category | 0 | - | 4.97 | 157,792 |
| Countries by Countries | 0 | - | 4.96 | 62,928 |
| Country Flags With Only Two Colors | 0 | - | 4.92 | 88,416 |
| Top 50 Countries by Population - In Order | 0 | - | 4.98 | 329,708 |
| Spanish-Speaking Countries | 0 | - | 4.95 | 374,834 |
| Countries with the Most Tourists Quiz | 0 | - | 4.92 | 405,787 |
| Island Countries | 0 | - | 4.99 | 710,100 |
| Countries with the Most Cathedrals | 0 | - | 4.49 | 45,865 |
| Biggest Countries by Area | 0 | - | 4.99 | 1,046,983 |
| Northernmost Countries | 0 | - | 4.99 | 360,876 |
| Countries of South America | 0 | - | 5.00 | 924,075 |
| Countries of Oceania | 0 | - | 5.00 | 1,052,720 |
| Countries of Asia Quiz | 0 | - | 5.00 | 1,869,330 |
| "Land" Countries | 0 | - | 4.98 | 335,997 |
| Countries that Start with A | 0 | - | 4.98 | 2,160,954 |
| Countries that Start with B | 0 | - | 4.95 | 2,292,718 |
| Countries that Start with C | 0 | - | 4.96 | 1,820,708 |
| Countries that Start with D | 0 | - | 4.96 | 708,686 |
| Countries that Start with E | 0 | - | 4.95 | 1,376,107 |
| Countries that Start with G | 0 | - | 4.97 | 1,502,093 |
| Countries that Start with H | 0 | - | 4.96 | 604,007 |
| Countries that Start with I | 0 | - | 4.92 | 1,287,192 |
| Countries that Start with J | 0 | - | 4.98 | 601,744 |
| Countries that Start with K | 0 | - | 4.97 | 815,074 |
| Countries that Start with L | 0 | - | 4.98 | 1,089,880 |
| Countries that Start with N | 0 | - | 4.93 | 1,116,852 |
| Countries that Start with P | 0 | - | 4.94 | 1,215,292 |
| Countries that Start with S | 0 | - | 4.98 | 1,753,614 |
| Countries that Start with T | 0 | - | 4.90 | 1,009,144 |
| Countries that Start with U | 0 | - | 4.97 | 903,961 |
| Countries that Start with V | 0 | - | 4.98 | 608,932 |
| Countries that Start with F | 0 | - | 4.83 | 617,001 |
| Countries that Start with M | 0 | - | 4.97 | 1,380,666 |
| Richest Island Countries | 0 | - | 4.84 | 100,425 |
| Countries of the World with an Empty Map | 0 | - | 5.00 | 3,377,684 |
| Monarchies of Europe | 0 | - | 4.90 | 98,058 |
| Monarchies of Asia | 0 | - | 4.97 | 71,043 |
| World Countries by 10 Category Elimination #1 | 0 | - | 4.97 | 122,701 |
| Asian Country Superlatives | 0 | - | 4.84 | 80,832 |
| Countries with the Most Exports | 0 | - | 4.96 | 155,284 |
| Top Crude Oil Producing Countries | 0 | - | 4.89 | 189,567 |
| Countries by Oil Consumption | 0 | - | 4.96 | 120,354 |
| Largest Economies in 2050 | 0 | - | 4.90 | 111,377 |
| Richest Countries by Per-Capita GDP | 0 | - | 4.96 | 271,030 |
| Countries With Highest GDP as a Percent of Continent | 0 | - | 4.96 | 104,186 |
| Countries with the Highest GDP per Square Kilometer | 0 | - | 4.89 | 84,468 |
| Five Biggest Economies by Continent | 0 | - | 4.98 | 195,073 |
| Most Visited Countries by JetPunkers | 0 | - | 4.85 | 118,273 |
| Countries More Populous Than Their Neighbors | 0 | - | 4.99 | 173,267 |
| Countries with Megacities | 0 | - | 4.99 | 262,473 |
| Countries With More than 50 Million People | 0 | - | 4.99 | 199,097 |
| Countries with the Most Population Growth by Decade | 0 | - | 4.98 | 113,121 |
| Countries With More than 200 Million People | 0 | - | 4.96 | 137,399 |
| Countries Less Populous Than Their Neighbors | 0 | - | 4.96 | 81,171 |
| Countries by Official Language | 0 | - | 4.95 | 194,803 |
| Countries with the Most Speakers of These Languages | 0 | - | 4.91 | 295,760 |
| Countries in their Native Language | 0 | - | 4.99 | 198,345 |
| Independence from Whom | 0 | - | 4.99 | 211,541 |
| Subdivisions by Country | 0 | - | 4.86 | 50,328 |
| Who Controlled These Colonies? | 0 | - | 4.88 | 131,857 |
| Megadiverse Countries | 0 | - | 4.96 | 134,827 |
| Countries With the Most English Speakers | 0 | - | 4.86 | 131,673 |
| Countries Producing the Most Sugarcane | 0 | - | 4.95 | 55,222 |
| Countries with Multiple Big Islands | 0 | - | 4.93 | 125,794 |
| Top 10 Wheat-Producing Countries | 0 | - | 4.89 | 75,036 |
| 15 Biggest Island Countries | 0 | - | 4.98 | 162,817 |
| Most Recently-Settled Countries | 0 | - | 4.94 | 62,435 |
| Countries of the World in 1938 Quiz | 0 | - | 4.95 | 94,095 |
| Countries Bigger Than Their Neighbors | 0 | - | 4.93 | 153,896 |
| Countries with Multiple Populous Islands | 0 | - | 4.89 | 95,531 |
| Countries in Relation to Cities #1 | 0 | - | 4.92 | 45,019 |
| Countries by Sports League Revenue | 0 | - | 4.94 | 77,180 |
| Landmarks of Countries #1 | 0 | - | 4.88 | 107,764 |
| African Countries with the Most Christians | 0 | - | 4.94 | 75,542 |
| Catholic Countries | 0 | - | 4.79 | 214,840 |
| Countries Furthest from the United States | 0 | - | 4.94 | 89,040 |
| Countries with the Highest HDI | 0 | - | 4.95 | 136,828 |
| Top 10 Biggest Economies in the Americas | 0 | - | 4.94 | 92,098 |
| Richest Countries A-Z | 0 | - | 4.91 | 102,918 |
| Large Countries with Small Economies | 0 | - | 4.95 | 80,846 |
| Smallest Countries with at Least One Border | 0 | - | 4.87 | 107,122 |
| Southernmost Countries of the World | 0 | - | 4.99 | 227,662 |
| Countries by Inland Surface Water | 0 | - | 4.94 | 105,019 |
| Top 20 Motor Vehicle Producing Countries | 0 | - | 4.91 | 122,752 |
| Countries With the Most Languages | 0 | - | 4.90 | 201,590 |
| Countries with the Highest Population Under Age 15 | 0 | - | 4.95 | 110,621 |
| Countries with the Highest Population 65 and Older | 0 | - | 4.90 | 93,769 |
| Countries with the Most Prisoners | 0 | - | 4.94 | 98,905 |
| Countries with the Most Domestic Camels | 0 | - | 4.94 | 61,318 |
| Tallest Countries North to South | 0 | - | 4.83 | 120,356 |
| Widest Countries East to West | 0 | - | 4.92 | 129,444 |
| Countries with the Highest Average Elevation | 0 | - | 4.98 | 71,405 |
| Largest Countries by Area or Population | 0 | - | 5.00 | 186,062 |
| Countries with the Most Area in the Southern Hemisphere | 0 | - | 4.99 | 98,032 |
| Most Populous Countries as a Percent of Their Continent | 0 | - | 4.97 | 94,582 |
| Largest Countries as a Percent of Continent | 0 | - | 4.97 | 148,322 |
| Countries with the Most Desert | 0 | - | 4.93 | 127,638 |
| Countries by Contribution to UN Budget | 0 | - | 4.87 | 77,278 |
| Countries with Most Nobel Laureates per Capita | 0 | - | 4.83 | 34,742 |
| Countries with Double Letters | 0 | - | 4.97 | 95,253 |
| Countries that End in N | 0 | - | 4.95 | 170,260 |
| Countries with Five Letters | 0 | - | 4.96 | 280,995 |
| Countries with Six Letters | 0 | - | 4.94 | 212,691 |
| Countries with W | 0 | - | 4.97 | 159,637 |
| Countries with Z | 0 | - | 4.98 | 290,440 |
| Countries with Letters Missing | 0 | - | 4.96 | 185,879 |
| Countries That End in U | 0 | - | 4.95 | 120,472 |
| Top 20 Longest One-Word Country Names | 0 | - | 4.98 | 133,893 |
| Countries that End in O | 0 | - | 4.92 | 159,250 |
| Countries that End in R | 0 | - | 4.87 | 118,771 |
| Country Names Created by Only 4 Letters | 0 | - | 4.99 | 155,546 |
| Countries Ending in "IA" | 0 | - | 4.99 | 208,488 |
| Countries by First and Last Letter #1 | 0 | - | 4.97 | 170,248 |
| Countries by Last Two Letters | 0 | - | 4.85 | 135,160 |
| Countries by First and Last Letter #2 | 0 | - | 4.96 | 141,769 |
| Countries That End in Y | 0 | - | 4.91 | 185,685 |
| Countries Based on First Two Letters #1 | 0 | - | 4.99 | 197,425 |
| Countries with Cardinal Directions in Their Names | 0 | - | 4.92 | 152,522 |
| Countries that End in I | 0 | - | 4.94 | 134,911 |
| Countries Based on First Two Letters #2 | 0 | - | 4.99 | 183,584 |
| Countries by Initial Letter and Length #1 | 0 | - | 4.98 | 95,623 |
| Countries That End in NIA | 0 | - | 4.92 | 109,572 |
| Countries That End in BIA | 0 | - | 4.93 | 148,919 |
| Countries by Initial Letter and Continent #1 | 0 | - | 4.94 | 166,820 |
| Countries Whose Names Start with Saint | 0 | - | 4.87 | 119,142 |
| Countries That End in RIA | 0 | - | 4.93 | 126,593 |
| Most Common Words in Official Country Names | 0 | - | 4.86 | 110,730 |
| Divided Country Name Puzzle #1 | 0 | - | 4.99 | 226,931 |
| Divided Country Name Puzzle #2 | 0 | - | 4.99 | 133,334 |
| Divided Country Name Puzzle #3 | 0 | - | 4.92 | 125,714 |
