| Countries with the Most Muslims | 0 | - | 4.95 | 159,511 |
| Top Five Countries by Religion | 0 | - | 4.93 | 169,467 |
| Countries with the Most Christians | 0 | - | 4.92 | 141,797 |
| Least Christian Countries with Exceptions | 0 | - | 4.90 | 87,113 |
| Buddhist Countries | 0 | - | 4.96 | 143,140 |
| Countries with the Most Catholics | 0 | - | 4.90 | 108,276 |
| Orthodox Countries | 0 | - | 4.91 | 130,593 |
| Five Countries with Most Christians by Continent | 0 | - | 4.99 | 110,808 |
| Sharia Law Countries | 0 | - | 4.48 | 63,414 |
| Countries of the World Quiz | 0 | - | 5.00 | 47,022,384 |
| NATO Countries | 0 | - | 4.98 | 276,975 |
| EU Countries Quiz | 0 | - | 4.99 | 270,710 |
| Countries with the Most Military Troops | 0 | - | 4.95 | 285,558 |
| Countries with Nuclear Weapons | 0 | - | 4.86 | 269,193 |
| Countries with the Most Elite Universities | 0 | - | 4.94 | 147,042 |
| Countries with NO Military | 0 | - | 4.97 | 61,320 |
| Countries by Number of Books Published | 0 | - | 4.95 | 72,017 |
| Top 10 Most Islamic European Countries | 0 | - | 4.75 | 160,435 |
| Landlocked Countries | 0 | - | 4.99 | 414,916 |
| Countries with the Most Tanks | 0 | - | 4.91 | 106,465 |
| Biggest Export Partners For Every Country | 0 | - | 4.98 | 49,862 |
| Top Oil Reserve Countries | 0 | - | 4.93 | 74,267 |
| Category Elimination - Countries #1 | 0 | - | 4.99 | 317,626 |
| Countries with the Most Billionaires | 0 | - | 4.90 | 333,312 |
| Countries with the Most Millionaires | 0 | - | 4.86 | 122,350 |
| Countries of Europe Quiz | 0 | - | 5.00 | 3,727,248 |
| Sahara Desert Countries | 0 | - | 4.98 | 161,112 |
| Himalayan Countries | 0 | - | 4.95 | 135,818 |
| Andean Countries | 0 | - | 4.94 | 83,093 |
| Countries with the Youngest Median Age | 0 | - | 4.97 | 62,418 |
| Countries in the Southern Hemisphere | 0 | - | 4.99 | 123,523 |
| Coffee Producing Countries | 0 | - | 4.81 | 66,119 |
| Countries with Shrinking Populations | 0 | - | 4.94 | 64,776 |
| Danube Countries | 0 | - | 4.97 | 71,218 |
| Countries With an "Ish" Demonym | 0 | - | 4.97 | 115,944 |
| Countries With an "Ese" Demonym | 0 | - | 4.97 | 85,669 |
| Countries with the Worst Passports | 0 | - | 4.94 | 82,773 |
| Countries with the Most Immigrants | 0 | - | 4.90 | 147,681 |
| European Landlocked Countries | 0 | - | 4.99 | 145,915 |
| Partially Recognized Countries | 0 | - | 4.98 | 105,435 |
| Countries with the Most Species | 0 | - | 4.99 | 95,317 |
| Countries 197 to 205 | 0 | - | 4.89 | 69,579 |
| Tropic of Cancer Countries | 0 | - | 4.97 | 53,249 |
| Tropic of Capricorn Countries | 0 | - | 4.96 | 47,422 |
| Countries that Use the Peso | 0 | - | 4.88 | 59,036 |
| Countries with the Largest Exclusive Economic Zone | 0 | - | 4.90 | 72,685 |
| Countries with a AAA Credit Rating | 0 | - | 4.85 | 57,048 |
| Countries in the Alps | 0 | - | 4.86 | 117,041 |
| Top Five Importing Partners by Country | 0 | - | 4.97 | 94,715 |
| Countries, Capitals, Currencies and Official Languages | 0 | - | 5.00 | 105,504 |
| Biggest Import Partners By Country | 0 | - | 4.99 | 78,132 |
| Southernmost Countries by Continent | 0 | - | 4.98 | 95,543 |
| Northernmost Countries by Continent | 0 | - | 4.98 | 115,331 |
| Countries by Population Growth, 1970–Present | 0 | - | 4.91 | 95,110 |
| Five Biggest Countries by Latitude | 0 | - | 4.97 | 99,740 |
| Five Biggest Countries by Longitude | 0 | - | 4.91 | 52,866 |
| Largest Country by Body of Water | 0 | - | 4.96 | 57,652 |
| Countries with the Most Container Port Traffic | 0 | - | 4.92 | 62,173 |
| Bridge and Tunnel Borders | 0 | - | 4.96 | 53,255 |
| Countries with the Longest Road Networks Quiz | 0 | - | 4.90 | 41,115 |
| Countries that Touch the Prime Meridian or Equator | 0 | - | 4.88 | 103,578 |
| Arctic Ocean Countries | 0 | - | 4.95 | 78,852 |
| Countries with the Most Grassland | 0 | - | 4.93 | 76,858 |
| All Countries by Area : Four at a Time | 0 | - | 5.00 | 117,354 |
| Countries with the Most Climate Zones | 0 | - | 4.96 | 67,760 |
| Countries that Host the Most Refugees | 0 | - | 4.95 | 59,332 |
| Countries of the World by Similar Area in 90 Seconds | 0 | - | 4.95 | 44,971 |
| All Countries of the World by Area with Hints | 0 | - | 4.97 | 240,011 |
| World Countries - Blind Typing | 0 | - | 5.00 | 106,074 |
| Countries in Their Own Alphabet | 0 | - | 4.95 | 47,696 |
| Largest Countries By Category | 0 | - | 4.97 | 156,964 |
| Countries by Countries | 0 | - | 4.96 | 62,401 |
| Country Flags With Only Two Colors | 0 | - | 4.92 | 87,896 |
| Top 50 Countries by Population - In Order | 0 | - | 4.98 | 325,459 |
| Spanish-Speaking Countries | 0 | - | 4.95 | 372,577 |
| Countries with the Most Tourists Quiz | 0 | - | 4.92 | 402,510 |
| Island Countries | 0 | - | 4.99 | 708,118 |
| Countries with the Most Cathedrals | 0 | - | 4.51 | 39,900 |
| Biggest Countries by Area | 0 | - | 4.99 | 1,041,207 |
| Northernmost Countries | 0 | - | 4.99 | 358,467 |
| Countries of South America | 0 | - | 5.00 | 917,049 |
| Countries of Oceania | 0 | - | 5.00 | 1,043,212 |
| Countries of Asia Quiz | 0 | - | 5.00 | 1,852,783 |
| "Land" Countries | 0 | - | 4.98 | 333,990 |
| Countries that Start with A | 0 | - | 4.98 | 2,149,936 |
| Countries that Start with B | 0 | - | 4.95 | 2,282,577 |
| Countries that Start with C | 0 | - | 4.96 | 1,812,517 |
| Countries that Start with D | 0 | - | 4.96 | 703,062 |
| Countries that Start with E | 0 | - | 4.95 | 1,369,333 |
| Countries that Start with G | 0 | - | 4.97 | 1,494,742 |
| Countries that Start with H | 0 | - | 4.96 | 599,172 |
| Countries that Start with I | 0 | - | 4.92 | 1,281,754 |
| Countries that Start with J | 0 | - | 4.98 | 597,239 |
| Countries that Start with K | 0 | - | 4.97 | 810,527 |
| Countries that Start with L | 0 | - | 4.98 | 1,084,299 |
| Countries that Start with N | 0 | - | 4.93 | 1,111,218 |
| Countries that Start with P | 0 | - | 4.94 | 1,209,907 |
| Countries that Start with S | 0 | - | 4.98 | 1,746,508 |
| Countries that Start with T | 0 | - | 4.90 | 1,005,255 |
| Countries that Start with U | 0 | - | 4.97 | 900,766 |
| Countries that Start with V | 0 | - | 4.98 | 605,866 |
| Countries that Start with F | 0 | - | 4.83 | 613,234 |
| Countries that Start with M | 0 | - | 4.97 | 1,374,926 |
| Richest Island Countries | 0 | - | 4.84 | 99,705 |
| Countries of the World with an Empty Map | 0 | - | 5.00 | 3,365,818 |
| Monarchies of Europe | 0 | - | 4.90 | 97,488 |
| Monarchies of Asia | 0 | - | 4.97 | 70,694 |
| World Countries by 10 Category Elimination #1 | 0 | - | 4.97 | 121,704 |
| Asian Country Superlatives | 0 | - | 4.83 | 80,514 |
| Countries with the Most Exports | 0 | - | 4.96 | 154,394 |
| Top Crude Oil Producing Countries | 0 | - | 4.89 | 188,681 |
| Countries by Oil Consumption | 0 | - | 4.96 | 119,642 |
| Largest Economies in 2050 | 0 | - | 4.90 | 110,777 |
| Richest Countries by Per-Capita GDP | 0 | - | 4.96 | 264,323 |
| Countries With Highest GDP as a Percent of Continent | 0 | - | 4.95 | 103,367 |
| Countries with the Highest GDP per Square Kilometer | 0 | - | 4.90 | 83,861 |
| Five Biggest Economies by Continent | 0 | - | 4.98 | 194,164 |
| Most Visited Countries by JetPunkers | 0 | - | 4.85 | 117,659 |
| Countries More Populous Than Their Neighbors | 0 | - | 4.99 | 171,782 |
| Countries with Megacities | 0 | - | 4.99 | 247,923 |
| Countries With More than 50 Million People | 0 | - | 4.99 | 197,662 |
| Countries with the Most Population Growth by Decade | 0 | - | 4.98 | 112,282 |
| Countries With More than 200 Million People | 0 | - | 4.96 | 136,045 |
| Countries Less Populous Than Their Neighbors | 0 | - | 4.96 | 80,233 |
| Countries by Official Language | 0 | - | 4.95 | 193,051 |
| Countries with the Most Speakers of These Languages | 0 | - | 4.91 | 293,531 |
| Countries in their Native Language | 0 | - | 4.99 | 196,901 |
| Independence from Whom | 0 | - | 4.99 | 210,031 |
| Subdivisions by Country | 0 | - | 4.86 | 50,121 |
| Who Controlled These Colonies? | 0 | - | 4.88 | 130,987 |
| Megadiverse Countries | 0 | - | 4.97 | 134,014 |
| Countries With the Most English Speakers | 0 | - | 4.86 | 130,063 |
| Countries Producing the Most Sugarcane | 0 | - | 4.95 | 54,984 |
| Countries with Multiple Big Islands | 0 | - | 4.93 | 125,497 |
| Top 10 Wheat-Producing Countries | 0 | - | 4.89 | 74,893 |
| 15 Biggest Island Countries | 0 | - | 4.98 | 161,824 |
| Most Recently-Settled Countries | 0 | - | 4.94 | 62,092 |
| Countries of the World in 1938 Quiz | 0 | - | 4.95 | 93,270 |
| Countries Bigger Than Their Neighbors | 0 | - | 4.93 | 153,340 |
| Countries with Multiple Populous Islands | 0 | - | 4.89 | 95,275 |
| Countries in Relation to Cities #1 | 0 | - | 4.92 | 44,775 |
| Countries by Sports League Revenue | 0 | - | 4.94 | 75,820 |
| Landmarks of Countries #1 | 0 | - | 4.88 | 107,483 |
| African Countries with the Most Christians | 0 | - | 4.94 | 74,981 |
| Catholic Countries | 0 | - | 4.78 | 213,830 |
| Countries Furthest from the United States | 0 | - | 4.94 | 88,590 |
| Countries with the Highest HDI | 0 | - | 4.95 | 136,567 |
| Top 10 Biggest Economies in the Americas | 0 | - | 4.93 | 91,212 |
| Richest Countries A-Z | 0 | - | 4.92 | 102,105 |
| Large Countries with Small Economies | 0 | - | 4.94 | 80,437 |
| Smallest Countries with at Least One Border | 0 | - | 4.87 | 106,509 |
| Southernmost Countries of the World | 0 | - | 4.99 | 226,693 |
| Countries by Inland Surface Water | 0 | - | 4.94 | 104,451 |
| Top 20 Motor Vehicle Producing Countries | 0 | - | 4.91 | 122,188 |
| Countries With the Most Languages | 0 | - | 4.90 | 200,188 |
| Countries with the Highest Population Under Age 15 | 0 | - | 4.95 | 110,064 |
| Countries with the Highest Population 65 and Older | 0 | - | 4.90 | 93,266 |
| Countries with the Most Prisoners | 0 | - | 4.94 | 98,462 |
| Countries with the Most Domestic Camels | 0 | - | 4.94 | 61,040 |
| Tallest Countries North to South | 0 | - | 4.83 | 119,498 |
| Widest Countries East to West | 0 | - | 4.92 | 128,986 |
| Countries with the Highest Average Elevation | 0 | - | 4.98 | 71,276 |
| Largest Countries by Area or Population | 0 | - | 5.00 | 185,417 |
| Countries with the Most Area in the Southern Hemisphere | 0 | - | 4.99 | 97,632 |
| Most Populous Countries as a Percent of Their Continent | 0 | - | 4.97 | 93,824 |
| Largest Countries as a Percent of Continent | 0 | - | 4.97 | 147,772 |
| Countries with the Most Desert | 0 | - | 4.93 | 127,183 |
| Countries by Contribution to UN Budget | 0 | - | 4.89 | 76,006 |
| Countries with Most Nobel Laureates per Capita | 0 | - | 4.84 | 34,632 |
| Countries with Double Letters | 0 | - | 4.97 | 93,627 |
| Countries that End in N | 0 | - | 4.94 | 157,093 |
| Countries with Five Letters Quiz | 0 | - | 4.96 | 258,954 |
| Countries with Six Letters | 0 | - | 4.93 | 210,618 |
| Countries with W | 0 | - | 4.97 | 158,387 |
| Countries with Z | 0 | - | 4.98 | 288,166 |
| Countries with Letters Missing | 0 | - | 4.97 | 184,714 |
| Countries That End in U | 0 | - | 4.95 | 119,595 |
| Top 20 Longest One-Word Country Names | 0 | - | 4.98 | 132,826 |
| Countries that End in O | 0 | - | 4.92 | 158,632 |
| Countries that End in R | 0 | - | 4.87 | 118,355 |
| Country Names Created by Only 4 Letters | 0 | - | 4.99 | 154,916 |
| Countries Ending in "IA" | 0 | - | 4.99 | 207,351 |
| Countries by First and Last Letter #1 | 0 | - | 4.97 | 169,499 |
| Countries by Last Two Letters | 0 | - | 4.85 | 134,614 |
| Countries by First and Last Letter #2 | 0 | - | 4.96 | 141,160 |
| Countries That End in Y | 0 | - | 4.90 | 185,271 |
| Countries Based on First Two Letters #1 | 0 | - | 4.99 | 196,566 |
| Countries with Cardinal Directions in Their Names | 0 | - | 4.92 | 151,857 |
| Countries that End in I | 0 | - | 4.94 | 134,521 |
| Countries Based on First Two Letters #2 | 0 | - | 4.99 | 182,408 |
| Countries by Initial Letter and Length #1 | 0 | - | 4.98 | 95,279 |
| Countries That End in NIA | 0 | - | 4.92 | 109,095 |
| Countries That End in BIA | 0 | - | 4.92 | 147,826 |
| Countries by Initial Letter and Continent #1 | 0 | - | 4.94 | 166,214 |
| Countries Whose Names Start with Saint | 0 | - | 4.87 | 118,607 |
| Countries That End in RIA | 0 | - | 4.93 | 126,179 |
| Most Common Words in Official Country Names | 0 | - | 4.85 | 110,140 |
| Divided Country Name Puzzle #1 | 0 | - | 4.99 | 225,619 |
| Divided Country Name Puzzle #2 | 0 | - | 4.99 | 132,639 |
| Divided Country Name Puzzle #3 | 0 | - | 4.92 | 124,996 |
