| Countries of the World Quiz | 0 | - | 5.00 | 46,883,737 |
| Countries with Most Tourists with Exceptions | 0 | - | 4.97 | 123,767 |
| Countries with the Most Tourists Quiz | 0 | - | 4.92 | 401,421 |
| Biggest Countries by Population | 0 | - | 5.00 | 1,434,236 |
| Smallest Countries by Population and Area | 0 | - | 4.99 | 377,419 |
| Most Populous Countries with Exceptions | 0 | - | 4.98 | 120,807 |
| UNESCO World Heritage Countries | 0 | - | 4.98 | 134,196 |
| Countries with the Most Airports | 0 | - | 4.96 | 97,053 |
| Countries with the Highest Maximum Elevation | 0 | - | 4.97 | 179,925 |
| Five Countries With the Most Tourists by Continent | 0 | - | 4.95 | 118,846 |
| Landlocked Countries | 0 | - | 4.99 | 413,205 |
| Most Populous Countries by Year | 0 | - | 4.83 | 109,126 |
| Most Populous Countries in 2050 | 0 | - | 4.91 | 221,383 |
| Countries with the Most Billionaires | 0 | - | 4.90 | 332,689 |
| Countries with the Highest Population Density | 0 | - | 4.94 | 164,056 |
| Countries with the Lowest Population Density | 0 | - | 4.98 | 169,026 |
| Coldest Countries | 0 | - | 4.97 | 137,180 |
| Countries Reducing Carbon Dioxide Emissions the Most | 0 | - | 4.89 | 64,217 |
| Countries with the Most Millionaires | 0 | - | 4.86 | 121,971 |
| Countries with the Most Nobel Prizes | 0 | - | 4.87 | 89,893 |
| Countries with the Least Precipitation | 0 | - | 4.90 | 82,325 |
| Countries of Europe Quiz | 0 | - | 5.00 | 3,712,856 |
| Sahara Desert Countries | 0 | - | 4.98 | 160,396 |
| Himalayan Countries | 0 | - | 4.95 | 135,175 |
| Andean Countries | 0 | - | 4.94 | 82,740 |
| Countries with the Youngest Median Age | 0 | - | 4.97 | 62,156 |
| Countries in the Southern Hemisphere | 0 | - | 4.99 | 123,089 |
| Coffee Producing Countries | 0 | - | 4.81 | 65,824 |
| Countries with Shrinking Populations | 0 | - | 4.93 | 64,524 |
| Danube Countries | 0 | - | 4.97 | 71,036 |
| Countries With an "Ish" Demonym | 0 | - | 4.98 | 115,701 |
| Countries With an "Ese" Demonym | 0 | - | 4.97 | 85,492 |
| Countries with the Worst Passports | 0 | - | 4.94 | 82,377 |
| Countries with the Most Immigrants | 0 | - | 4.90 | 147,297 |
| European Landlocked Countries | 0 | - | 4.99 | 145,706 |
| Partially Recognized Countries | 0 | - | 4.98 | 105,125 |
| Countries with the Most Species | 0 | - | 4.99 | 95,219 |
| Countries 197 to 205 | 0 | - | 4.89 | 69,272 |
| Tropic of Cancer Countries | 0 | - | 4.97 | 53,190 |
| Tropic of Capricorn Countries | 0 | - | 4.96 | 47,352 |
| Countries that Use the Peso | 0 | - | 4.87 | 58,933 |
| Countries with the Largest Exclusive Economic Zone | 0 | - | 4.89 | 72,544 |
| Countries with a AAA Credit Rating | 0 | - | 4.85 | 56,907 |
| Countries in the Alps | 0 | - | 4.87 | 116,756 |
| Top Five Importing Partners by Country | 0 | - | 4.97 | 94,516 |
| Countries, Capitals, Currencies and Official Languages | 0 | - | 5.00 | 105,167 |
| Biggest Import Partners By Country | 0 | - | 4.99 | 77,978 |
| Southernmost Countries by Continent | 0 | - | 4.98 | 95,376 |
| Northernmost Countries by Continent | 0 | - | 4.98 | 115,103 |
| Countries by Population Growth, 1970–Present | 0 | - | 4.91 | 94,962 |
| Five Biggest Countries by Latitude | 0 | - | 4.97 | 99,517 |
| Five Biggest Countries by Longitude | 0 | - | 4.91 | 52,721 |
| Largest Country by Body of Water | 0 | - | 4.96 | 56,958 |
| Countries with the Most Container Port Traffic | 0 | - | 4.92 | 62,013 |
| Bridge and Tunnel Borders | 0 | - | 4.96 | 53,179 |
| Countries with the Longest Road Networks Quiz | 0 | - | 4.90 | 41,016 |
| Countries that Touch the Prime Meridian or Equator | 0 | - | 4.88 | 103,404 |
| Arctic Ocean Countries | 0 | - | 4.95 | 78,706 |
| Countries with the Most Grassland | 0 | - | 4.93 | 76,714 |
| All Countries by Area : Four at a Time | 0 | - | 5.00 | 116,970 |
| Countries with the Most Climate Zones | 0 | - | 4.96 | 67,598 |
| Countries that Host the Most Refugees | 0 | - | 4.95 | 59,226 |
| Countries of the World by Similar Area in 90 Seconds | 0 | - | 4.95 | 44,725 |
| All Countries of the World by Area with Hints | 0 | - | 4.97 | 239,034 |
| World Countries - Blind Typing | 0 | - | 5.00 | 105,488 |
| Countries in Their Own Alphabet | 0 | - | 4.95 | 47,569 |
| Largest Countries By Category | 0 | - | 4.97 | 156,682 |
| Countries by Countries | 0 | - | 4.96 | 62,216 |
| Country Flags with the Most White | 0 | - | 4.87 | 137,308 |
| Countries With the Northernmost Southernmost Point | 0 | - | 4.96 | 61,949 |
| Country Flags With Only Two Colors | 0 | - | 4.92 | 87,717 |
| Top 50 Countries by Population - In Order | 0 | - | 4.98 | 323,392 |
| Spanish-Speaking Countries | 0 | - | 4.95 | 371,984 |
| Island Countries | 0 | - | 4.99 | 707,422 |
| Biggest Countries by Area | 0 | - | 4.99 | 1,038,890 |
| Northernmost Countries | 0 | - | 4.99 | 357,478 |
| Countries of South America | 0 | - | 5.00 | 914,007 |
| Countries of Oceania | 0 | - | 5.00 | 1,039,425 |
| Countries of Asia Quiz | 0 | - | 5.00 | 1,846,683 |
| "Land" Countries | 0 | - | 4.98 | 333,521 |
| Most Populous Countries in 1900 | 0 | - | 4.91 | 172,539 |
| Countries of the World with an Empty Map | 0 | - | 5.00 | 3,361,115 |
| Countries that Catch the Most Fish | 0 | - | 4.90 | 111,445 |
| Countries with the Most Exports | 0 | - | 4.96 | 154,092 |
| Top Crude Oil Producing Countries | 0 | - | 4.89 | 188,418 |
| Countries by Oil Consumption | 0 | - | 4.96 | 119,504 |
| Largest Economies in 2050 | 0 | - | 4.90 | 110,596 |
| Richest Countries by Per-Capita GDP | 0 | - | 4.96 | 261,920 |
| Countries With Highest GDP as a Percent of Continent | 0 | - | 4.95 | 102,881 |
| Countries with the Highest GDP per Square Kilometer | 0 | - | 4.90 | 83,662 |
| UNESCO World Heritage Sites to Country | 0 | - | 4.97 | 102,568 |
| Most Visited Countries by JetPunkers | 0 | - | 4.85 | 117,399 |
| Largest Countries with Little Tourism | 0 | - | 4.74 | 61,224 |
| Countries More Populous Than Their Neighbors | 0 | - | 4.99 | 170,970 |
| Countries with Megacities | 0 | - | 4.99 | 246,462 |
| Countries With More than 50 Million People | 0 | - | 4.99 | 196,886 |
| Countries with the Most Population Growth by Decade | 0 | - | 4.98 | 111,785 |
| Countries With More than 200 Million People | 0 | - | 4.96 | 135,348 |
| Countries Less Populous Than Their Neighbors | 0 | - | 4.96 | 79,739 |
| Countries by Official Language | 0 | - | 4.95 | 192,676 |
| Countries with the Most Speakers of These Languages | 0 | - | 4.91 | 292,998 |
| Countries in their Native Language | 0 | - | 4.99 | 196,544 |
| Independence from Whom | 0 | - | 4.99 | 209,578 |
| Subdivisions by Country | 0 | - | 4.86 | 50,045 |
| Who Controlled These Colonies? | 0 | - | 4.88 | 130,661 |
| Megadiverse Countries | 0 | - | 4.97 | 133,857 |
| Countries With the Most English Speakers | 0 | - | 4.86 | 129,719 |
| Countries Producing the Most Sugarcane | 0 | - | 4.95 | 54,899 |
| Countries with Multiple Big Islands | 0 | - | 4.93 | 125,399 |
| Top 10 Wheat-Producing Countries | 0 | - | 4.89 | 74,848 |
| 15 Biggest Island Countries | 0 | - | 4.98 | 161,588 |
| Most Recently-Settled Countries | 0 | - | 4.94 | 61,966 |
| Countries of the World in 1938 Quiz | 0 | - | 4.95 | 92,757 |
| Countries Bigger Than Their Neighbors | 0 | - | 4.93 | 153,107 |
| Countries with Multiple Populous Islands | 0 | - | 4.89 | 95,198 |
| Countries in Relation to Cities #1 | 0 | - | 4.92 | 44,729 |
| Countries by Sports League Revenue | 0 | - | 4.94 | 75,474 |
| Landmarks of Countries #1 | 0 | - | 4.88 | 107,390 |
| Countries Furthest from the United States | 0 | - | 4.94 | 88,462 |
| Countries with the Highest HDI | 0 | - | 4.95 | 136,482 |
| Straight Shot to the Arctic Circle | 0 | - | 4.88 | 74,641 |
| Most Dispersed Island Nations | 0 | - | 4.96 | 71,000 |
| Countries of the World in Alphabetical Order | 0 | - | 5.00 | 108,442 |
| World Map Quiz | 0 | - | 4.81 | 63,431 |
| Smallest Countries with at Least One Border | 0 | - | 4.87 | 106,276 |
| Southernmost Countries of the World | 0 | - | 4.99 | 226,243 |
| Countries by Inland Surface Water | 0 | - | 4.94 | 103,927 |
| Top 20 Motor Vehicle Producing Countries | 0 | - | 4.91 | 121,893 |
| Countries With the Most Languages | 0 | - | 4.90 | 199,607 |
| Countries with the Highest Population Under Age 15 | 0 | - | 4.95 | 109,813 |
| Countries with the Highest Population 65 and Older | 0 | - | 4.89 | 93,019 |
| Countries with the Most Prisoners | 0 | - | 4.94 | 98,223 |
| Countries with the Most Domestic Camels | 0 | - | 4.94 | 60,909 |
| Tallest Countries North to South | 0 | - | 4.83 | 119,296 |
| Widest Countries East to West | 0 | - | 4.92 | 128,561 |
| Countries with the Highest Average Elevation | 0 | - | 4.98 | 71,206 |
| Largest Countries by Area or Population | 0 | - | 5.00 | 185,152 |
| Countries with the Most Area in the Southern Hemisphere | 0 | - | 4.99 | 97,541 |
| Most Populous Countries as a Percent of Their Continent | 0 | - | 4.97 | 93,658 |
| Largest Countries as a Percent of Continent | 0 | - | 4.97 | 147,576 |
| Countries with the Most Desert | 0 | - | 4.93 | 126,993 |
| Countries by Contribution to UN Budget | 0 | - | 4.86 | 69,044 |
| Countries with Most Nobel Laureates per Capita | 0 | - | 4.84 | 34,557 |
| Airlines by Country | 0 | - | 4.52 | 134,745 |
| Countries with Double Letters | 0 | - | 4.97 | 93,293 |
| Countries that End in N | 0 | - | 4.94 | 156,353 |
| Countries with Five Letters Quiz | 0 | - | 4.96 | 258,579 |
| Countries with Six Letters | 0 | - | 4.93 | 210,268 |
| Countries with W | 0 | - | 4.97 | 158,163 |
| Countries with Z | 0 | - | 4.98 | 287,746 |
| Countries with Letters Missing | 0 | - | 4.97 | 184,480 |
| Countries That End in U | 0 | - | 4.95 | 119,480 |
| Top 20 Longest One-Word Country Names | 0 | - | 4.98 | 132,446 |
| Countries that End in O | 0 | - | 4.92 | 158,507 |
| Countries that End in R | 0 | - | 4.87 | 118,240 |
| Country Names Created by Only 4 Letters | 0 | - | 4.99 | 154,838 |
| Countries Ending in "IA" | 0 | - | 4.99 | 206,930 |
| Countries by First and Last Letter #1 | 0 | - | 4.97 | 169,247 |
| Countries by Last Two Letters | 0 | - | 4.85 | 134,433 |
| Countries by First and Last Letter #2 | 0 | - | 4.96 | 140,804 |
| Countries That End in Y | 0 | - | 4.90 | 185,177 |
| Countries Based on First Two Letters #1 | 0 | - | 4.99 | 196,274 |
| Countries with Cardinal Directions in Their Names | 0 | - | 4.92 | 151,603 |
| Countries that End in I | 0 | - | 4.94 | 134,362 |
| Countries Based on First Two Letters #2 | 0 | - | 4.99 | 182,102 |
| Countries by Initial Letter and Length #1 | 0 | - | 4.98 | 95,167 |
| Countries That End in NIA | 0 | - | 4.92 | 108,961 |
| Countries That End in BIA | 0 | - | 4.92 | 147,656 |
| Countries by Initial Letter and Continent #1 | 0 | - | 4.94 | 166,014 |
| Countries Whose Names Start with Saint | 0 | - | 4.87 | 118,441 |
| Countries That End in RIA | 0 | - | 4.93 | 126,048 |
| Most Common Words in Official Country Names | 0 | - | 4.85 | 109,961 |
| Divided Country Name Puzzle #1 | 0 | - | 4.99 | 225,088 |
| Divided Country Name Puzzle #2 | 0 | - | 4.99 | 132,479 |
| Divided Country Name Puzzle #3 | 0 | - | 4.92 | 124,857 |
| Groups of Countries that Start with the Same 3 Letters | 0 | - | 5.00 | 90,307 |
| Add A Letter - Make a Country | 0 | - | 4.82 | 73,904 |
| Countries With One Word and Three A's | 0 | - | 4.92 | 52,074 |
| Countries with a Unique Last Letter | 0 | - | 4.90 | 102,597 |
| Unique Starting Letter - Countries by Continent | 0 | - | 4.98 | 124,450 |
| Countries that are Free from U.S.A. | 0 | - | 4.89 | 48,794 |
| Countries Containing Two or More Words | 0 | - | 4.96 | 52,751 |
| Countries that End in L | 0 | - | 4.94 | 155,681 |
| "Stan" Countries Quiz | 0 | - | 4.97 | 210,934 |
| Countries Ending with "An", but not "Stan" | 0 | - | 4.98 | 84,974 |
| City to Country Quiz #1 | 0 | - | 4.97 | 155,485 |
| City to Country Quiz #3 | 0 | - | 4.88 | 118,261 |
| 45 European Countries, 45 Cities | 0 | - | 4.95 | 78,396 |
| Five Biggest Countries by Continent | 0 | - | 4.99 | 246,613 |
| Five Poorest Countries by Continent | 0 | - | 4.93 | 199,023 |
| Five Least Populated Countries by Continent | 0 | - | 4.96 | 125,876 |
| Five Smallest Countries by Continent | 0 | - | 4.98 | 162,121 |
| First Five Countries Alphabetically by Continent | 0 | - | 4.93 | 223,313 |
| Last Five Countries Alphabetically by Continent | 0 | - | 4.98 | 151,473 |
| Five Northernmost Capital Cities by Continent | 0 | - | 4.89 | 70,592 |
| Top 15 Countries that Produce the Most Tea | 0 | - | 4.81 | 108,157 |
| Top 10 Countries in Nuclear Power Production | 0 | - | 4.95 | 86,406 |
| 10 Northernmost Countries That Start with S | 0 | - | 4.94 | 62,282 |
| Countries by Borders in 90 Seconds | 0 | - | 4.99 | 3,799,226 |
| One Border Countries | 0 | - | 4.98 | 463,995 |
