| Countries with the Most Muslims | 0 | - | 4.95 | 160,320 |
| Top Five Countries by Religion | 0 | - | 4.93 | 171,255 |
| Countries with the Most Christians | 0 | - | 4.92 | 143,103 |
| Least Christian Countries with Exceptions | 0 | - | 4.90 | 88,138 |
| Buddhist Countries | 0 | - | 4.96 | 144,277 |
| Countries with the Most Catholics | 0 | - | 4.90 | 109,347 |
| Orthodox Countries | 0 | - | 4.92 | 131,861 |
| Five Countries with Most Christians by Continent | 0 | - | 4.99 | 111,668 |
| Sharia Law Countries | 0 | - | 4.48 | 63,659 |
| Countries of the World Quiz | 0 | - | 5.00 | 47,426,075 |
| NATO Countries | 0 | - | 4.98 | 280,093 |
| EU Countries Quiz | 0 | - | 4.99 | 273,745 |
| Countries with the Most Military Troops | 0 | - | 4.95 | 288,127 |
| Countries with Nuclear Weapons | 0 | - | 4.86 | 272,852 |
| Countries with the Most Elite Universities | 0 | - | 4.95 | 148,352 |
| Countries with NO Military | 0 | - | 4.97 | 62,202 |
| Countries by Number of Books Published | 0 | - | 4.95 | 72,552 |
| Top 10 Most Islamic European Countries | 0 | - | 4.75 | 160,833 |
| Landlocked Countries | 0 | - | 4.99 | 420,031 |
| Countries with the Most Tanks | 0 | - | 4.91 | 107,346 |
| Biggest Export Partners For Every Country | 0 | - | 4.98 | 50,503 |
| Top Oil Reserve Countries | 0 | - | 4.93 | 74,757 |
| Category Elimination - Countries #1 | 0 | - | 4.99 | 320,486 |
| Countries with the Most Billionaires | 0 | - | 4.90 | 335,296 |
| Countries with the Most Millionaires | 0 | - | 4.86 | 123,475 |
| Countries of Europe Quiz | 0 | - | 5.00 | 3,764,658 |
| Sahara Desert Countries | 0 | - | 4.98 | 163,486 |
| Himalayan Countries | 0 | - | 4.95 | 137,907 |
| Andean Countries | 0 | - | 4.95 | 84,171 |
| Countries with the Youngest Median Age | 0 | - | 4.97 | 63,378 |
| Countries in the Southern Hemisphere | 0 | - | 4.99 | 124,961 |
| Coffee Producing Countries | 0 | - | 4.83 | 67,035 |
| Countries with Shrinking Populations | 0 | - | 4.94 | 65,484 |
| Danube Countries | 0 | - | 4.97 | 71,774 |
| Countries With an "Ish" Demonym | 0 | - | 4.97 | 116,715 |
| Countries With an "Ese" Demonym | 0 | - | 4.97 | 86,172 |
| Countries with the Worst Passports | 0 | - | 4.94 | 83,872 |
| Countries with the Most Immigrants | 0 | - | 4.90 | 148,959 |
| European Landlocked Countries | 0 | - | 4.99 | 146,908 |
| Partially Recognized Countries | 0 | - | 4.98 | 106,302 |
| Countries with the Most Species | 0 | - | 4.99 | 103,045 |
| Countries 197 to 205 | 0 | - | 4.89 | 70,452 |
| Tropic of Cancer Countries | 0 | - | 4.97 | 53,470 |
| Tropic of Capricorn Countries | 0 | - | 4.96 | 47,638 |
| Countries that Use the Peso | 0 | - | 4.89 | 59,403 |
| Countries with the Largest Exclusive Economic Zone | 0 | - | 4.90 | 73,081 |
| Countries with a AAA Credit Rating | 0 | - | 4.86 | 57,470 |
| Countries in the Alps | 0 | - | 4.87 | 117,892 |
| Top Five Importing Partners by Country | 0 | - | 4.97 | 97,575 |
| Countries, Capitals, Currencies and Official Languages | 0 | - | 5.00 | 106,612 |
| Biggest Import Partners By Country | 0 | - | 4.99 | 78,510 |
| Southernmost Countries by Continent | 0 | - | 4.98 | 96,396 |
| Northernmost Countries by Continent | 0 | - | 4.98 | 116,244 |
| Countries by Population Growth, 1970–Present | 0 | - | 4.92 | 95,805 |
| Five Biggest Countries by Latitude | 0 | - | 4.97 | 100,408 |
| Five Biggest Countries by Longitude | 0 | - | 4.91 | 53,291 |
| Largest Country by Body of Water | 0 | - | 4.96 | 58,044 |
| Countries with the Most Container Port Traffic | 0 | - | 4.92 | 62,658 |
| Bridge and Tunnel Borders | 0 | - | 4.96 | 53,549 |
| Countries with the Longest Road Networks Quiz | 0 | - | 4.90 | 41,390 |
| Countries that Touch the Prime Meridian or Equator | 0 | - | 4.88 | 104,019 |
| Arctic Ocean Countries | 0 | - | 4.95 | 79,312 |
| Countries with the Most Grassland | 0 | - | 4.94 | 77,320 |
| All Countries by Area : Four at a Time | 0 | - | 5.00 | 118,447 |
| Countries with the Most Climate Zones | 0 | - | 4.96 | 68,141 |
| Countries that Host the Most Refugees | 0 | - | 4.95 | 59,648 |
| Countries of the World by Similar Area in 90 Seconds | 0 | - | 4.95 | 45,716 |
| All Countries of the World by Area with Hints | 0 | - | 4.97 | 242,951 |
| World Countries - Blind Typing | 0 | - | 5.00 | 107,534 |
| Countries in Their Own Alphabet | 0 | - | 4.95 | 48,069 |
| Largest Countries By Category | 0 | - | 4.97 | 157,846 |
| Countries by Countries | 0 | - | 4.97 | 62,961 |
| Country Flags With Only Two Colors | 0 | - | 4.91 | 88,454 |
| Top 50 Countries by Population - In Order | 0 | - | 4.98 | 329,946 |
| Spanish-Speaking Countries | 0 | - | 4.95 | 374,924 |
| Countries with the Most Tourists Quiz | 0 | - | 4.92 | 405,975 |
| Island Countries | 0 | - | 4.99 | 710,215 |
| Countries with the Most Cathedrals | 0 | - | 4.49 | 45,995 |
| Biggest Countries by Area | 0 | - | 5.00 | 1,047,365 |
| Northernmost Countries | 0 | - | 4.99 | 361,033 |
| Countries of South America | 0 | - | 5.00 | 924,507 |
| Countries of Oceania | 0 | - | 5.00 | 1,053,351 |
| Countries of Asia Quiz | 0 | - | 5.00 | 1,870,488 |
| "Land" Countries | 0 | - | 4.98 | 336,092 |
| Countries that Start with A | 0 | - | 4.98 | 2,161,721 |
| Countries that Start with B | 0 | - | 4.95 | 2,293,440 |
| Countries that Start with C | 0 | - | 4.96 | 1,821,299 |
| Countries that Start with D | 0 | - | 4.96 | 709,097 |
| Countries that Start with E | 0 | - | 4.95 | 1,376,578 |
| Countries that Start with G | 0 | - | 4.97 | 1,502,654 |
| Countries that Start with H | 0 | - | 4.96 | 604,368 |
| Countries that Start with I | 0 | - | 4.92 | 1,287,579 |
| Countries that Start with J | 0 | - | 4.98 | 602,079 |
| Countries that Start with K | 0 | - | 4.97 | 815,395 |
| Countries that Start with L | 0 | - | 4.98 | 1,090,251 |
| Countries that Start with N | 0 | - | 4.93 | 1,117,243 |
| Countries that Start with P | 0 | - | 4.94 | 1,215,690 |
| Countries that Start with S | 0 | - | 4.98 | 1,754,195 |
| Countries that Start with T | 0 | - | 4.90 | 1,009,488 |
| Countries that Start with U | 0 | - | 4.97 | 904,218 |
| Countries that Start with V | 0 | - | 4.98 | 609,155 |
| Countries that Start with F | 0 | - | 4.83 | 617,299 |
| Countries that Start with M | 0 | - | 4.97 | 1,381,139 |
| Richest Island Countries | 0 | - | 4.84 | 100,481 |
| Countries of the World with an Empty Map | 0 | - | 5.00 | 3,378,519 |
| Monarchies of Europe | 0 | - | 4.90 | 98,101 |
| Monarchies of Asia | 0 | - | 4.97 | 71,070 |
| World Countries by 10 Category Elimination #1 | 0 | - | 4.97 | 122,756 |
| Asian Country Superlatives | 0 | - | 4.84 | 80,867 |
| Countries with the Most Exports | 0 | - | 4.96 | 155,337 |
| Top Crude Oil Producing Countries | 0 | - | 4.89 | 189,639 |
| Countries by Oil Consumption | 0 | - | 4.96 | 120,385 |
| Largest Economies in 2050 | 0 | - | 4.90 | 111,404 |
| Richest Countries by Per-Capita GDP | 0 | - | 4.96 | 271,267 |
| Countries With Highest GDP as a Percent of Continent | 0 | - | 4.96 | 104,247 |
| Countries with the Highest GDP per Square Kilometer | 0 | - | 4.89 | 84,504 |
| Five Biggest Economies by Continent | 0 | - | 4.98 | 195,129 |
| Most Visited Countries by JetPunkers | 0 | - | 4.85 | 118,314 |
| Countries More Populous Than Their Neighbors | 0 | - | 4.99 | 173,359 |
| Countries with Megacities | 0 | - | 4.99 | 262,940 |
| Countries With More than 50 Million People | 0 | - | 4.99 | 199,195 |
| Countries with the Most Population Growth by Decade | 0 | - | 4.98 | 113,173 |
| Countries With More than 200 Million People | 0 | - | 4.96 | 137,498 |
| Countries Less Populous Than Their Neighbors | 0 | - | 4.96 | 81,214 |
| Countries by Official Language | 0 | - | 4.95 | 194,860 |
| Countries with the Most Speakers of These Languages | 0 | - | 4.91 | 295,834 |
| Countries in their Native Language | 0 | - | 4.99 | 198,398 |
| Independence from Whom | 0 | - | 4.99 | 211,619 |
| Subdivisions by Country | 0 | - | 4.86 | 50,341 |
| Who Controlled These Colonies? | 0 | - | 4.88 | 131,913 |
| Megadiverse Countries | 0 | - | 4.96 | 134,848 |
| Countries With the Most English Speakers | 0 | - | 4.86 | 131,734 |
| Countries Producing the Most Sugarcane | 0 | - | 4.95 | 55,235 |
| Countries with Multiple Big Islands | 0 | - | 4.93 | 125,817 |
| Top 10 Wheat-Producing Countries | 0 | - | 4.89 | 75,052 |
| 15 Biggest Island Countries | 0 | - | 4.98 | 162,854 |
| Most Recently-Settled Countries | 0 | - | 4.94 | 62,455 |
| Countries of the World in 1938 Quiz | 0 | - | 4.95 | 94,149 |
| Countries Bigger Than Their Neighbors | 0 | - | 4.93 | 153,911 |
| Countries with Multiple Populous Islands | 0 | - | 4.89 | 95,545 |
| Countries in Relation to Cities #1 | 0 | - | 4.92 | 45,030 |
| Countries by Sports League Revenue | 0 | - | 4.94 | 77,272 |
| Landmarks of Countries #1 | 0 | - | 4.88 | 107,779 |
| African Countries with the Most Christians | 0 | - | 4.94 | 75,575 |
| Catholic Countries | 0 | - | 4.79 | 214,896 |
| Countries Furthest from the United States | 0 | - | 4.94 | 89,064 |
| Countries with the Highest HDI | 0 | - | 4.95 | 136,846 |
| Top 10 Biggest Economies in the Americas | 0 | - | 4.94 | 92,134 |
| Richest Countries A-Z | 0 | - | 4.91 | 103,047 |
| Large Countries with Small Economies | 0 | - | 4.95 | 80,878 |
| Smallest Countries with at Least One Border | 0 | - | 4.87 | 107,154 |
| Southernmost Countries of the World | 0 | - | 4.99 | 227,716 |
| Countries by Inland Surface Water | 0 | - | 4.94 | 105,054 |
| Top 20 Motor Vehicle Producing Countries | 0 | - | 4.91 | 122,776 |
| Countries With the Most Languages | 0 | - | 4.90 | 201,666 |
| Countries with the Highest Population Under Age 15 | 0 | - | 4.95 | 110,658 |
| Countries with the Highest Population 65 and Older | 0 | - | 4.90 | 93,796 |
| Countries with the Most Prisoners | 0 | - | 4.94 | 98,934 |
| Countries with the Most Domestic Camels | 0 | - | 4.94 | 61,336 |
| Tallest Countries North to South | 0 | - | 4.83 | 120,400 |
| Widest Countries East to West | 0 | - | 4.92 | 129,465 |
| Countries with the Highest Average Elevation | 0 | - | 4.98 | 71,410 |
| Largest Countries by Area or Population | 0 | - | 5.00 | 186,113 |
| Countries with the Most Area in the Southern Hemisphere | 0 | - | 4.99 | 98,042 |
| Most Populous Countries as a Percent of Their Continent | 0 | - | 4.97 | 94,606 |
| Largest Countries as a Percent of Continent | 0 | - | 4.97 | 148,367 |
| Countries with the Most Desert | 0 | - | 4.93 | 127,664 |
| Countries by Contribution to UN Budget | 0 | - | 4.87 | 77,292 |
| Countries with Most Nobel Laureates per Capita | 0 | - | 4.83 | 34,752 |
| Countries with Double Letters | 0 | - | 4.97 | 95,315 |
| Countries that End in N | 0 | - | 4.95 | 170,345 |
| Countries with Five Letters | 0 | - | 4.96 | 281,173 |
| Countries with Six Letters | 0 | - | 4.94 | 212,758 |
| Countries with W | 0 | - | 4.97 | 159,678 |
| Countries with Z | 0 | - | 4.98 | 290,567 |
| Countries with Letters Missing | 0 | - | 4.96 | 185,943 |
| Countries That End in U | 0 | - | 4.95 | 120,501 |
| Top 20 Longest One-Word Country Names | 0 | - | 4.98 | 133,947 |
| Countries that End in O | 0 | - | 4.92 | 159,273 |
| Countries that End in R | 0 | - | 4.87 | 118,794 |
| Country Names Created by Only 4 Letters | 0 | - | 4.99 | 155,561 |
| Countries Ending in "IA" | 0 | - | 4.99 | 208,559 |
| Countries by First and Last Letter #1 | 0 | - | 4.97 | 170,294 |
| Countries by Last Two Letters | 0 | - | 4.85 | 135,197 |
| Countries by First and Last Letter #2 | 0 | - | 4.96 | 141,798 |
| Countries That End in Y | 0 | - | 4.91 | 185,702 |
| Countries Based on First Two Letters #1 | 0 | - | 4.99 | 197,475 |
| Countries with Cardinal Directions in Their Names | 0 | - | 4.92 | 152,571 |
| Countries that End in I | 0 | - | 4.94 | 134,931 |
| Countries Based on First Two Letters #2 | 0 | - | 4.99 | 183,681 |
| Countries by Initial Letter and Length #1 | 0 | - | 4.98 | 95,649 |
| Countries That End in NIA | 0 | - | 4.92 | 109,603 |
| Countries That End in BIA | 0 | - | 4.93 | 148,959 |
| Countries by Initial Letter and Continent #1 | 0 | - | 4.94 | 166,860 |
| Countries Whose Names Start with Saint | 0 | - | 4.87 | 119,182 |
| Countries That End in RIA | 0 | - | 4.93 | 126,616 |
| Most Common Words in Official Country Names | 0 | - | 4.86 | 110,750 |
| Divided Country Name Puzzle #1 | 0 | - | 4.99 | 227,011 |
| Divided Country Name Puzzle #2 | 0 | - | 4.99 | 133,378 |
| Divided Country Name Puzzle #3 | 0 | - | 4.92 | 125,765 |
