| Countries with the Most Muslims | 0 | - | 4.95 | 159,515 |
| Top Five Countries by Religion | 0 | - | 4.93 | 169,470 |
| Countries with the Most Christians | 0 | - | 4.92 | 141,802 |
| Least Christian Countries with Exceptions | 0 | - | 4.90 | 87,114 |
| Buddhist Countries | 0 | - | 4.96 | 143,142 |
| Countries with the Most Catholics | 0 | - | 4.90 | 108,279 |
| Orthodox Countries | 0 | - | 4.91 | 130,594 |
| Five Countries with Most Christians by Continent | 0 | - | 4.99 | 110,810 |
| Sharia Law Countries | 0 | - | 4.48 | 63,415 |
| Countries of the World Quiz | 0 | - | 5.00 | 47,023,536 |
| NATO Countries | 0 | - | 4.98 | 276,981 |
| EU Countries Quiz | 0 | - | 4.99 | 270,716 |
| Countries with the Most Military Troops | 0 | - | 4.95 | 285,569 |
| Countries with Nuclear Weapons | 0 | - | 4.86 | 269,201 |
| Countries with the Most Elite Universities | 0 | - | 4.94 | 147,046 |
| Countries with NO Military | 0 | - | 4.97 | 61,320 |
| Countries by Number of Books Published | 0 | - | 4.95 | 72,018 |
| Top 10 Most Islamic European Countries | 0 | - | 4.75 | 160,436 |
| Landlocked Countries | 0 | - | 4.99 | 414,929 |
| Countries with the Most Tanks | 0 | - | 4.91 | 106,470 |
| 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 | 317,630 |
| Countries with the Most Billionaires | 0 | - | 4.90 | 333,321 |
| Countries with the Most Millionaires | 0 | - | 4.86 | 122,355 |
| Countries of Europe Quiz | 0 | - | 5.00 | 3,727,366 |
| Sahara Desert Countries | 0 | - | 4.98 | 161,114 |
| Himalayan Countries | 0 | - | 4.95 | 135,822 |
| Andean Countries | 0 | - | 4.94 | 83,095 |
| Countries with the Youngest Median Age | 0 | - | 4.97 | 62,420 |
| Countries in the Southern Hemisphere | 0 | - | 4.99 | 123,526 |
| 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 | 147,687 |
| European Landlocked Countries | 0 | - | 4.99 | 145,917 |
| Partially Recognized Countries | 0 | - | 4.98 | 105,438 |
| Countries with the Most Species | 0 | - | 4.99 | 95,317 |
| Countries 197 to 205 | 0 | - | 4.89 | 69,582 |
| 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 | 72,686 |
| Countries with a AAA Credit Rating | 0 | - | 4.85 | 57,049 |
| Countries in the Alps | 0 | - | 4.86 | 117,045 |
| Top Five Importing Partners by Country | 0 | - | 4.97 | 94,715 |
| Countries, Capitals, Currencies and Official Languages | 0 | - | 5.00 | 105,507 |
| Biggest Import Partners By Country | 0 | - | 4.99 | 78,133 |
| Southernmost Countries by Continent | 0 | - | 4.98 | 95,544 |
| Northernmost Countries by Continent | 0 | - | 4.98 | 115,332 |
| Countries by Population Growth, 1970–Present | 0 | - | 4.91 | 95,110 |
| Five Biggest Countries by Latitude | 0 | - | 4.97 | 99,742 |
| 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 | 62,174 |
| Bridge and Tunnel Borders | 0 | - | 4.96 | 53,255 |
| Countries with the Longest Road Networks Quiz | 0 | - | 4.90 | 41,116 |
| 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 | 76,862 |
| All Countries by Area : Four at a Time | 0 | - | 5.00 | 117,357 |
| Countries with the Most Climate Zones | 0 | - | 4.96 | 67,761 |
| Countries that Host the Most Refugees | 0 | - | 4.95 | 59,332 |
| Countries of the World by Similar Area in 90 Seconds | 0 | - | 4.95 | 44,973 |
| All Countries of the World by Area with Hints | 0 | - | 4.97 | 240,022 |
| World Countries - Blind Typing | 0 | - | 5.00 | 106,077 |
| Countries in Their Own Alphabet | 0 | - | 4.95 | 47,699 |
| Largest Countries By Category | 0 | - | 4.97 | 156,964 |
| Countries by Countries | 0 | - | 4.96 | 62,402 |
| Country Flags With Only Two Colors | 0 | - | 4.92 | 87,903 |
| Top 50 Countries by Population - In Order | 0 | - | 4.98 | 325,470 |
| Spanish-Speaking Countries | 0 | - | 4.95 | 372,582 |
| Countries with the Most Tourists Quiz | 0 | - | 4.92 | 402,521 |
| Island Countries | 0 | - | 4.99 | 708,130 |
| Countries with the Most Cathedrals | 0 | - | 4.51 | 39,900 |
| Biggest Countries by Area | 0 | - | 4.99 | 1,041,222 |
| Northernmost Countries | 0 | - | 4.99 | 358,477 |
| Countries of South America | 0 | - | 5.00 | 917,083 |
| Countries of Oceania | 0 | - | 5.00 | 1,043,239 |
| Countries of Asia Quiz | 0 | - | 5.00 | 1,852,831 |
| "Land" Countries | 0 | - | 4.98 | 333,997 |
| Countries that Start with A | 0 | - | 4.98 | 2,149,980 |
| Countries that Start with B | 0 | - | 4.95 | 2,282,625 |
| Countries that Start with C | 0 | - | 4.96 | 1,812,546 |
| Countries that Start with D | 0 | - | 4.96 | 703,085 |
| Countries that Start with E | 0 | - | 4.95 | 1,369,352 |
| Countries that Start with G | 0 | - | 4.97 | 1,494,768 |
| Countries that Start with H | 0 | - | 4.96 | 599,183 |
| Countries that Start with I | 0 | - | 4.92 | 1,281,773 |
| Countries that Start with J | 0 | - | 4.98 | 597,255 |
| Countries that Start with K | 0 | - | 4.97 | 810,543 |
| Countries that Start with L | 0 | - | 4.98 | 1,084,319 |
| Countries that Start with N | 0 | - | 4.93 | 1,111,234 |
| Countries that Start with P | 0 | - | 4.94 | 1,209,918 |
| Countries that Start with S | 0 | - | 4.98 | 1,746,533 |
| Countries that Start with T | 0 | - | 4.90 | 1,005,270 |
| Countries that Start with U | 0 | - | 4.97 | 900,776 |
| Countries that Start with V | 0 | - | 4.98 | 605,872 |
| Countries that Start with F | 0 | - | 4.83 | 613,247 |
| Countries that Start with M | 0 | - | 4.97 | 1,374,939 |
| Richest Island Countries | 0 | - | 4.84 | 99,708 |
| Countries of the World with an Empty Map | 0 | - | 5.00 | 3,365,861 |
| Monarchies of Europe | 0 | - | 4.90 | 97,490 |
| Monarchies of Asia | 0 | - | 4.97 | 70,694 |
| World Countries by 10 Category Elimination #1 | 0 | - | 4.97 | 121,706 |
| Asian Country Superlatives | 0 | - | 4.83 | 80,515 |
| Countries with the Most Exports | 0 | - | 4.96 | 154,397 |
| Top Crude Oil Producing Countries | 0 | - | 4.89 | 188,686 |
| Countries by Oil Consumption | 0 | - | 4.96 | 119,644 |
| Largest Economies in 2050 | 0 | - | 4.90 | 110,778 |
| Richest Countries by Per-Capita GDP | 0 | - | 4.96 | 264,438 |
| Countries With Highest GDP as a Percent of Continent | 0 | - | 4.95 | 103,378 |
| Countries with the Highest GDP per Square Kilometer | 0 | - | 4.90 | 83,865 |
| Five Biggest Economies by Continent | 0 | - | 4.98 | 194,165 |
| Most Visited Countries by JetPunkers | 0 | - | 4.85 | 117,661 |
| Countries More Populous Than Their Neighbors | 0 | - | 4.99 | 171,784 |
| Countries with Megacities | 0 | - | 4.99 | 247,938 |
| Countries With More than 50 Million People | 0 | - | 4.99 | 197,666 |
| Countries with the Most Population Growth by Decade | 0 | - | 4.98 | 112,283 |
| Countries With More than 200 Million People | 0 | - | 4.96 | 136,048 |
| Countries Less Populous Than Their Neighbors | 0 | - | 4.96 | 80,238 |
| Countries by Official Language | 0 | - | 4.95 | 193,056 |
| Countries with the Most Speakers of These Languages | 0 | - | 4.91 | 293,537 |
| Countries in their Native Language | 0 | - | 4.99 | 196,906 |
| Independence from Whom | 0 | - | 4.99 | 210,034 |
| Subdivisions by Country | 0 | - | 4.86 | 50,121 |
| Who Controlled These Colonies? | 0 | - | 4.88 | 130,989 |
| Megadiverse Countries | 0 | - | 4.97 | 134,014 |
| Countries With the Most English Speakers | 0 | - | 4.86 | 130,069 |
| Countries Producing the Most Sugarcane | 0 | - | 4.95 | 54,985 |
| Countries with Multiple Big Islands | 0 | - | 4.93 | 125,498 |
| Top 10 Wheat-Producing Countries | 0 | - | 4.89 | 74,894 |
| 15 Biggest Island Countries | 0 | - | 4.98 | 161,826 |
| Most Recently-Settled Countries | 0 | - | 4.94 | 62,094 |
| Countries of the World in 1938 Quiz | 0 | - | 4.95 | 93,270 |
| Countries Bigger Than Their Neighbors | 0 | - | 4.93 | 153,345 |
| 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 | 75,825 |
| Landmarks of Countries #1 | 0 | - | 4.88 | 107,484 |
| African Countries with the Most Christians | 0 | - | 4.94 | 74,983 |
| Catholic Countries | 0 | - | 4.78 | 213,832 |
| Countries Furthest from the United States | 0 | - | 4.94 | 88,590 |
| Countries with the Highest HDI | 0 | - | 4.95 | 136,570 |
| Top 10 Biggest Economies in the Americas | 0 | - | 4.93 | 91,215 |
| Richest Countries A-Z | 0 | - | 4.92 | 102,107 |
| Large Countries with Small Economies | 0 | - | 4.94 | 80,438 |
| Smallest Countries with at Least One Border | 0 | - | 4.87 | 106,511 |
| Southernmost Countries of the World | 0 | - | 4.99 | 226,698 |
| Countries by Inland Surface Water | 0 | - | 4.94 | 104,453 |
| Top 20 Motor Vehicle Producing Countries | 0 | - | 4.91 | 122,190 |
| Countries With the Most Languages | 0 | - | 4.90 | 200,196 |
| Countries with the Highest Population Under Age 15 | 0 | - | 4.95 | 110,067 |
| Countries with the Highest Population 65 and Older | 0 | - | 4.90 | 93,271 |
| Countries with the Most Prisoners | 0 | - | 4.94 | 98,463 |
| Countries with the Most Domestic Camels | 0 | - | 4.94 | 61,042 |
| Tallest Countries North to South | 0 | - | 4.83 | 119,499 |
| Widest Countries East to West | 0 | - | 4.92 | 128,990 |
| Countries with the Highest Average Elevation | 0 | - | 4.98 | 71,276 |
| Largest Countries by Area or Population | 0 | - | 5.00 | 185,421 |
| Countries with the Most Area in the Southern Hemisphere | 0 | - | 4.99 | 97,633 |
| Most Populous Countries as a Percent of Their Continent | 0 | - | 4.97 | 93,828 |
| Largest Countries as a Percent of Continent | 0 | - | 4.97 | 147,773 |
| Countries with the Most Desert | 0 | - | 4.93 | 127,185 |
| Countries by Contribution to UN Budget | 0 | - | 4.89 | 76,070 |
| Countries with Most Nobel Laureates per Capita | 0 | - | 4.84 | 34,632 |
| Countries with Double Letters | 0 | - | 4.97 | 93,631 |
| Countries that End in N | 0 | - | 4.94 | 157,093 |
| Countries with Five Letters Quiz | 0 | - | 4.96 | 258,958 |
| Countries with Six Letters | 0 | - | 4.93 | 210,620 |
| Countries with W | 0 | - | 4.97 | 158,388 |
| 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 | 132,828 |
| Countries that End in O | 0 | - | 4.92 | 158,633 |
| Countries that End in R | 0 | - | 4.87 | 118,355 |
| Country Names Created by Only 4 Letters | 0 | - | 4.99 | 154,917 |
| Countries Ending in "IA" | 0 | - | 4.99 | 207,354 |
| Countries by First and Last Letter #1 | 0 | - | 4.97 | 169,501 |
| Countries by Last Two Letters | 0 | - | 4.85 | 134,615 |
| Countries by First and Last Letter #2 | 0 | - | 4.96 | 141,162 |
| Countries That End in Y | 0 | - | 4.90 | 185,272 |
| Countries Based on First Two Letters #1 | 0 | - | 4.99 | 196,567 |
| Countries with Cardinal Directions in Their Names | 0 | - | 4.92 | 151,859 |
| 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 | 147,829 |
| Countries by Initial Letter and Continent #1 | 0 | - | 4.94 | 166,215 |
| Countries Whose Names Start with Saint | 0 | - | 4.87 | 118,610 |
| Countries That End in RIA | 0 | - | 4.93 | 126,181 |
| Most Common Words in Official Country Names | 0 | - | 4.85 | 110,144 |
| Divided Country Name Puzzle #1 | 0 | - | 4.99 | 225,622 |
| Divided Country Name Puzzle #2 | 0 | - | 4.99 | 132,641 |
| Divided Country Name Puzzle #3 | 0 | - | 4.92 | 124,998 |
