| Countries of the World Quiz | 0 | - | 5.00 | 46,889,259 |
| Countries with Most Tourists with Exceptions | 0 | - | 4.97 | 123,779 |
| Countries with the Most Tourists Quiz | 0 | - | 4.92 | 401,528 |
| Biggest Countries by Population | 0 | - | 5.00 | 1,434,397 |
| Smallest Countries by Population and Area | 0 | - | 4.99 | 377,450 |
| Most Populous Countries with Exceptions | 0 | - | 4.98 | 120,821 |
| UNESCO World Heritage Countries | 0 | - | 4.98 | 134,208 |
| Countries with the Most Airports | 0 | - | 4.96 | 97,065 |
| Countries with the Highest Maximum Elevation | 0 | - | 4.97 | 179,933 |
| Five Countries With the Most Tourists by Continent | 0 | - | 4.95 | 118,874 |
| Landlocked Countries | 0 | - | 4.99 | 413,261 |
| Most Populous Countries by Year | 0 | - | 4.83 | 109,138 |
| Most Populous Countries in 2050 | 0 | - | 4.91 | 221,393 |
| Countries with the Most Billionaires | 0 | - | 4.90 | 332,721 |
| Countries with the Highest Population Density | 0 | - | 4.94 | 164,063 |
| Countries with the Lowest Population Density | 0 | - | 4.98 | 169,036 |
| Coldest Countries | 0 | - | 4.97 | 137,185 |
| Countries Reducing Carbon Dioxide Emissions the Most | 0 | - | 4.89 | 64,218 |
| Countries with the Most Millionaires | 0 | - | 4.86 | 122,001 |
| Countries with the Most Nobel Prizes | 0 | - | 4.87 | 89,898 |
| Countries with the Least Precipitation | 0 | - | 4.90 | 82,328 |
| Countries of Europe Quiz | 0 | - | 5.00 | 3,713,384 |
| Sahara Desert Countries | 0 | - | 4.98 | 160,422 |
| Himalayan Countries | 0 | - | 4.95 | 135,204 |
| Andean Countries | 0 | - | 4.94 | 82,753 |
| Countries with the Youngest Median Age | 0 | - | 4.97 | 62,164 |
| Countries in the Southern Hemisphere | 0 | - | 4.99 | 123,104 |
| Coffee Producing Countries | 0 | - | 4.81 | 65,829 |
| Countries with Shrinking Populations | 0 | - | 4.93 | 64,539 |
| Danube Countries | 0 | - | 4.97 | 71,044 |
| Countries With an "Ish" Demonym | 0 | - | 4.98 | 115,705 |
| Countries With an "Ese" Demonym | 0 | - | 4.97 | 85,498 |
| Countries with the Worst Passports | 0 | - | 4.94 | 82,391 |
| Countries with the Most Immigrants | 0 | - | 4.90 | 147,315 |
| European Landlocked Countries | 0 | - | 4.99 | 145,712 |
| Partially Recognized Countries | 0 | - | 4.98 | 105,139 |
| Countries with the Most Species | 0 | - | 4.99 | 95,222 |
| Countries 197 to 205 | 0 | - | 4.89 | 69,284 |
| Tropic of Cancer Countries | 0 | - | 4.97 | 53,190 |
| Tropic of Capricorn Countries | 0 | - | 4.96 | 47,354 |
| Countries that Use the Peso | 0 | - | 4.87 | 58,938 |
| Countries with the Largest Exclusive Economic Zone | 0 | - | 4.89 | 72,548 |
| Countries with a AAA Credit Rating | 0 | - | 4.85 | 56,917 |
| Countries in the Alps | 0 | - | 4.87 | 116,764 |
| Top Five Importing Partners by Country | 0 | - | 4.97 | 94,523 |
| Countries, Capitals, Currencies and Official Languages | 0 | - | 5.00 | 105,177 |
| Biggest Import Partners By Country | 0 | - | 4.99 | 77,982 |
| Southernmost Countries by Continent | 0 | - | 4.98 | 95,385 |
| Northernmost Countries by Continent | 0 | - | 4.98 | 115,109 |
| Countries by Population Growth, 1970–Present | 0 | - | 4.91 | 94,966 |
| Five Biggest Countries by Latitude | 0 | - | 4.97 | 99,525 |
| Five Biggest Countries by Longitude | 0 | - | 4.91 | 52,723 |
| Largest Country by Body of Water | 0 | - | 4.96 | 57,041 |
| Countries with the Most Container Port Traffic | 0 | - | 4.92 | 62,017 |
| Bridge and Tunnel Borders | 0 | - | 4.96 | 53,181 |
| Countries with the Longest Road Networks Quiz | 0 | - | 4.90 | 41,020 |
| Countries that Touch the Prime Meridian or Equator | 0 | - | 4.88 | 103,411 |
| Arctic Ocean Countries | 0 | - | 4.95 | 78,710 |
| Countries with the Most Grassland | 0 | - | 4.93 | 76,718 |
| All Countries by Area : Four at a Time | 0 | - | 5.00 | 116,988 |
| Countries with the Most Climate Zones | 0 | - | 4.96 | 67,605 |
| Countries that Host the Most Refugees | 0 | - | 4.95 | 59,235 |
| Countries of the World by Similar Area in 90 Seconds | 0 | - | 4.95 | 44,731 |
| All Countries of the World by Area with Hints | 0 | - | 4.97 | 239,065 |
| World Countries - Blind Typing | 0 | - | 5.00 | 105,522 |
| Countries in Their Own Alphabet | 0 | - | 4.95 | 47,573 |
| Largest Countries By Category | 0 | - | 4.97 | 156,690 |
| Countries by Countries | 0 | - | 4.96 | 62,220 |
| Country Flags with the Most White | 0 | - | 4.87 | 137,319 |
| Countries With the Northernmost Southernmost Point | 0 | - | 4.96 | 61,951 |
| Country Flags With Only Two Colors | 0 | - | 4.92 | 87,721 |
| Top 50 Countries by Population - In Order | 0 | - | 4.98 | 323,445 |
| Spanish-Speaking Countries | 0 | - | 4.95 | 372,001 |
| Island Countries | 0 | - | 4.99 | 707,460 |
| Biggest Countries by Area | 0 | - | 4.99 | 1,038,992 |
| Northernmost Countries | 0 | - | 4.99 | 357,521 |
| Countries of South America | 0 | - | 5.00 | 914,087 |
| Countries of Oceania | 0 | - | 5.00 | 1,039,631 |
| Countries of Asia Quiz | 0 | - | 5.00 | 1,846,941 |
| "Land" Countries | 0 | - | 4.98 | 333,543 |
| Most Populous Countries in 1900 | 0 | - | 4.91 | 172,545 |
| Countries of the World with an Empty Map | 0 | - | 5.00 | 3,361,300 |
| Countries that Catch the Most Fish | 0 | - | 4.90 | 111,449 |
| Countries with the Most Exports | 0 | - | 4.96 | 154,102 |
| Top Crude Oil Producing Countries | 0 | - | 4.89 | 188,427 |
| Countries by Oil Consumption | 0 | - | 4.96 | 119,514 |
| Largest Economies in 2050 | 0 | - | 4.90 | 110,608 |
| Richest Countries by Per-Capita GDP | 0 | - | 4.96 | 261,949 |
| Countries With Highest GDP as a Percent of Continent | 0 | - | 4.95 | 102,889 |
| Countries with the Highest GDP per Square Kilometer | 0 | - | 4.90 | 83,674 |
| UNESCO World Heritage Sites to Country | 0 | - | 4.97 | 102,573 |
| Most Visited Countries by JetPunkers | 0 | - | 4.85 | 117,407 |
| Largest Countries with Little Tourism | 0 | - | 4.74 | 61,230 |
| Countries More Populous Than Their Neighbors | 0 | - | 4.99 | 170,984 |
| Countries with Megacities | 0 | - | 4.99 | 246,496 |
| Countries With More than 50 Million People | 0 | - | 4.99 | 196,904 |
| Countries with the Most Population Growth by Decade | 0 | - | 4.98 | 111,789 |
| Countries With More than 200 Million People | 0 | - | 4.96 | 135,363 |
| Countries Less Populous Than Their Neighbors | 0 | - | 4.96 | 79,748 |
| Countries by Official Language | 0 | - | 4.95 | 192,695 |
| Countries with the Most Speakers of These Languages | 0 | - | 4.91 | 293,020 |
| Countries in their Native Language | 0 | - | 4.99 | 196,553 |
| Independence from Whom | 0 | - | 4.99 | 209,588 |
| Subdivisions by Country | 0 | - | 4.86 | 50,048 |
| Who Controlled These Colonies? | 0 | - | 4.88 | 130,673 |
| Megadiverse Countries | 0 | - | 4.97 | 133,864 |
| Countries With the Most English Speakers | 0 | - | 4.86 | 129,729 |
| Countries Producing the Most Sugarcane | 0 | - | 4.95 | 54,903 |
| Countries with Multiple Big Islands | 0 | - | 4.93 | 125,404 |
| Top 10 Wheat-Producing Countries | 0 | - | 4.89 | 74,848 |
| 15 Biggest Island Countries | 0 | - | 4.98 | 161,600 |
| Most Recently-Settled Countries | 0 | - | 4.94 | 61,969 |
| Countries of the World in 1938 Quiz | 0 | - | 4.95 | 92,824 |
| Countries Bigger Than Their Neighbors | 0 | - | 4.93 | 153,114 |
| Countries with Multiple Populous Islands | 0 | - | 4.89 | 95,200 |
| Countries in Relation to Cities #1 | 0 | - | 4.92 | 44,731 |
| Countries by Sports League Revenue | 0 | - | 4.94 | 75,492 |
| Landmarks of Countries #1 | 0 | - | 4.88 | 107,394 |
| Countries Furthest from the United States | 0 | - | 4.94 | 88,469 |
| Countries with the Highest HDI | 0 | - | 4.95 | 136,484 |
| Straight Shot to the Arctic Circle | 0 | - | 4.88 | 74,643 |
| Most Dispersed Island Nations | 0 | - | 4.96 | 71,003 |
| Countries of the World in Alphabetical Order | 0 | - | 5.00 | 108,465 |
| World Map Quiz | 0 | - | 4.81 | 63,442 |
| Smallest Countries with at Least One Border | 0 | - | 4.87 | 106,281 |
| Southernmost Countries of the World | 0 | - | 4.99 | 226,265 |
| Countries by Inland Surface Water | 0 | - | 4.94 | 103,935 |
| Top 20 Motor Vehicle Producing Countries | 0 | - | 4.91 | 121,901 |
| Countries With the Most Languages | 0 | - | 4.90 | 199,626 |
| Countries with the Highest Population Under Age 15 | 0 | - | 4.95 | 109,820 |
| Countries with the Highest Population 65 and Older | 0 | - | 4.89 | 93,025 |
| Countries with the Most Prisoners | 0 | - | 4.94 | 98,234 |
| Countries with the Most Domestic Camels | 0 | - | 4.94 | 60,919 |
| Tallest Countries North to South | 0 | - | 4.83 | 119,301 |
| Widest Countries East to West | 0 | - | 4.92 | 128,568 |
| Countries with the Highest Average Elevation | 0 | - | 4.98 | 71,209 |
| Largest Countries by Area or Population | 0 | - | 5.00 | 185,160 |
| Countries with the Most Area in the Southern Hemisphere | 0 | - | 4.99 | 97,545 |
| Most Populous Countries as a Percent of Their Continent | 0 | - | 4.97 | 93,666 |
| Largest Countries as a Percent of Continent | 0 | - | 4.97 | 147,585 |
| Countries with the Most Desert | 0 | - | 4.93 | 127,001 |
| Countries by Contribution to UN Budget | 0 | - | 4.86 | 69,045 |
| Countries with Most Nobel Laureates per Capita | 0 | - | 4.84 | 34,564 |
| Airlines by Country | 0 | - | 4.52 | 134,748 |
| Countries with Double Letters | 0 | - | 4.97 | 93,304 |
| Countries that End in N | 0 | - | 4.94 | 156,365 |
| Countries with Five Letters Quiz | 0 | - | 4.96 | 258,594 |
| Countries with Six Letters | 0 | - | 4.93 | 210,280 |
| Countries with W | 0 | - | 4.97 | 158,173 |
| Countries with Z | 0 | - | 4.98 | 287,775 |
| Countries with Letters Missing | 0 | - | 4.97 | 184,494 |
| Countries That End in U | 0 | - | 4.95 | 119,485 |
| Top 20 Longest One-Word Country Names | 0 | - | 4.98 | 132,464 |
| Countries that End in O | 0 | - | 4.92 | 158,519 |
| Countries that End in R | 0 | - | 4.87 | 118,244 |
| Country Names Created by Only 4 Letters | 0 | - | 4.99 | 154,842 |
| Countries Ending in "IA" | 0 | - | 4.99 | 206,945 |
| Countries by First and Last Letter #1 | 0 | - | 4.97 | 169,260 |
| Countries by Last Two Letters | 0 | - | 4.85 | 134,449 |
| Countries by First and Last Letter #2 | 0 | - | 4.96 | 140,892 |
| Countries That End in Y | 0 | - | 4.90 | 185,181 |
| Countries Based on First Two Letters #1 | 0 | - | 4.99 | 196,290 |
| Countries with Cardinal Directions in Their Names | 0 | - | 4.92 | 151,615 |
| Countries that End in I | 0 | - | 4.94 | 134,370 |
| Countries Based on First Two Letters #2 | 0 | - | 4.99 | 182,113 |
| Countries by Initial Letter and Length #1 | 0 | - | 4.98 | 95,173 |
| Countries That End in NIA | 0 | - | 4.92 | 108,966 |
| Countries That End in BIA | 0 | - | 4.92 | 147,670 |
| Countries by Initial Letter and Continent #1 | 0 | - | 4.94 | 166,022 |
| Countries Whose Names Start with Saint | 0 | - | 4.87 | 118,444 |
| Countries That End in RIA | 0 | - | 4.93 | 126,052 |
| Most Common Words in Official Country Names | 0 | - | 4.85 | 109,968 |
| Divided Country Name Puzzle #1 | 0 | - | 4.99 | 225,110 |
| Divided Country Name Puzzle #2 | 0 | - | 4.99 | 132,484 |
| Divided Country Name Puzzle #3 | 0 | - | 4.92 | 124,860 |
| Groups of Countries that Start with the Same 3 Letters | 0 | - | 5.00 | 90,317 |
| Add A Letter - Make a Country | 0 | - | 4.82 | 73,907 |
| Countries With One Word and Three A's | 0 | - | 4.92 | 52,083 |
| Countries with a Unique Last Letter | 0 | - | 4.90 | 102,607 |
| Unique Starting Letter - Countries by Continent | 0 | - | 4.98 | 124,457 |
| Countries that are Free from U.S.A. | 0 | - | 4.89 | 48,799 |
| Countries Containing Two or More Words | 0 | - | 4.96 | 52,762 |
| Countries that End in L | 0 | - | 4.94 | 155,686 |
| "Stan" Countries Quiz | 0 | - | 4.97 | 210,969 |
| Countries Ending with "An", but not "Stan" | 0 | - | 4.98 | 84,975 |
| City to Country Quiz #1 | 0 | - | 4.97 | 155,491 |
| City to Country Quiz #3 | 0 | - | 4.88 | 118,265 |
| 45 European Countries, 45 Cities | 0 | - | 4.95 | 78,403 |
| Five Biggest Countries by Continent | 0 | - | 4.99 | 246,660 |
| Five Poorest Countries by Continent | 0 | - | 4.93 | 199,031 |
| Five Least Populated Countries by Continent | 0 | - | 4.96 | 125,885 |
| Five Smallest Countries by Continent | 0 | - | 4.98 | 162,127 |
| First Five Countries Alphabetically by Continent | 0 | - | 4.93 | 223,321 |
| Last Five Countries Alphabetically by Continent | 0 | - | 4.98 | 151,480 |
| Five Northernmost Capital Cities by Continent | 0 | - | 4.89 | 70,593 |
| Top 15 Countries that Produce the Most Tea | 0 | - | 4.81 | 108,158 |
| Top 10 Countries in Nuclear Power Production | 0 | - | 4.95 | 86,407 |
| 10 Northernmost Countries That Start with S | 0 | - | 4.94 | 62,289 |
| Countries by Borders in 90 Seconds | 0 | - | 4.99 | 3,799,537 |
| One Border Countries | 0 | - | 4.98 | 464,071 |
