| Five Biggest Countries by Continent | 0 | - | 4.99 | 247,808 |
| Five Poorest Countries by Continent | 0 | - | 4.93 | 199,544 |
| Five Least Populated Countries by Continent | 0 | - | 4.96 | 141,157 |
| Five Smallest Countries by Continent | 0 | - | 4.98 | 162,586 |
| First Five Countries Alphabetically by Continent | 0 | - | 4.94 | 223,946 |
| Last Five Countries Alphabetically by Continent | 0 | - | 4.98 | 151,869 |
| Five Northernmost Capital Cities by Continent | 0 | - | 4.89 | 70,787 |
| Landlocked Countries | 0 | - | 4.99 | 414,805 |
| Five Most Densely Populated Countries by Continent | 0 | - | 4.95 | 86,097 |
| Five Most Populated Countries by Continent | 0 | - | 4.99 | 266,375 |
| Five Least Densely Populated Countries by Continent | 0 | - | 4.92 | 92,872 |
| Countries of the World Quiz | 0 | - | 5.00 | 47,014,142 |
| Five Most Elevated Countries by Continent | 0 | - | 4.98 | 112,492 |
| Five Countries With the Most Tourists by Continent | 0 | - | 4.95 | 119,427 |
| Sahara Desert Countries | 0 | - | 4.98 | 161,068 |
| Himalayan Countries | 0 | - | 4.95 | 135,781 |
| Andean Countries | 0 | - | 4.94 | 83,068 |
| Countries with the Youngest Median Age | 0 | - | 4.97 | 62,405 |
| Countries in the Southern Hemisphere | 0 | - | 4.99 | 123,490 |
| Coffee Producing Countries | 0 | - | 4.81 | 66,104 |
| Countries with Shrinking Populations | 0 | - | 4.94 | 64,766 |
| Danube Countries | 0 | - | 4.97 | 71,208 |
| Countries With an "Ish" Demonym | 0 | - | 4.97 | 115,930 |
| Countries With an "Ese" Demonym | 0 | - | 4.97 | 85,659 |
| Countries with the Worst Passports | 0 | - | 4.94 | 82,749 |
| Countries with the Most Immigrants | 0 | - | 4.90 | 147,656 |
| European Landlocked Countries | 0 | - | 4.99 | 145,901 |
| Partially Recognized Countries | 0 | - | 4.98 | 105,409 |
| Countries with the Most Species | 0 | - | 4.99 | 95,312 |
| Countries 197 to 205 | 0 | - | 4.89 | 69,564 |
| Tropic of Cancer Countries | 0 | - | 4.97 | 53,242 |
| Tropic of Capricorn Countries | 0 | - | 4.96 | 47,415 |
| Countries that Use the Peso | 0 | - | 4.88 | 59,030 |
| Countries with the Largest Exclusive Economic Zone | 0 | - | 4.90 | 72,673 |
| Countries with a AAA Credit Rating | 0 | - | 4.85 | 57,037 |
| Countries in the Alps | 0 | - | 4.86 | 117,025 |
| Top Five Importing Partners by Country | 0 | - | 4.97 | 94,699 |
| Countries, Capitals, Currencies and Official Languages | 0 | - | 5.00 | 105,482 |
| Biggest Import Partners By Country | 0 | - | 4.99 | 78,121 |
| Southernmost Countries by Continent | 0 | - | 4.98 | 95,529 |
| Northernmost Countries by Continent | 0 | - | 4.98 | 115,316 |
| Countries by Population Growth, 1970–Present | 0 | - | 4.91 | 95,103 |
| Five Biggest Countries by Latitude | 0 | - | 4.97 | 99,725 |
| Five Biggest Countries by Longitude | 0 | - | 4.91 | 52,858 |
| Largest Country by Body of Water | 0 | - | 4.96 | 57,635 |
| Countries with the Most Container Port Traffic | 0 | - | 4.92 | 62,166 |
| Bridge and Tunnel Borders | 0 | - | 4.96 | 53,243 |
| Countries with the Longest Road Networks Quiz | 0 | - | 4.90 | 41,110 |
| Countries that Touch the Prime Meridian or Equator | 0 | - | 4.88 | 103,569 |
| Arctic Ocean Countries | 0 | - | 4.95 | 78,846 |
| Countries with the Most Grassland | 0 | - | 4.93 | 76,847 |
| All Countries by Area : Four at a Time | 0 | - | 5.00 | 117,334 |
| Countries with the Most Climate Zones | 0 | - | 4.96 | 67,756 |
| Countries that Host the Most Refugees | 0 | - | 4.95 | 59,328 |
| Countries of the World by Similar Area in 90 Seconds | 0 | - | 4.95 | 44,965 |
| All Countries of the World by Area with Hints | 0 | - | 4.97 | 239,936 |
| World Countries - Blind Typing | 0 | - | 5.00 | 106,056 |
| Countries in Their Own Alphabet | 0 | - | 4.95 | 47,693 |
| Largest Countries By Category | 0 | - | 4.97 | 156,938 |
| Countries by Countries | 0 | - | 4.96 | 62,392 |
| Country Flags with the Most White | 0 | - | 4.87 | 137,576 |
| Countries With the Northernmost Southernmost Point | 0 | - | 4.96 | 62,003 |
| Countries with the Southernmost Northernmost Point | 0 | - | 4.87 | 47,365 |
| Country Flags With Only Two Colors | 0 | - | 4.92 | 87,883 |
| Countries of Europe Quiz | 0 | - | 5.00 | 3,726,348 |
| Five Least Guessed Countries by Continent | 0 | - | 4.97 | 97,358 |
| Top 50 Countries by Population - In Order | 0 | - | 4.98 | 325,368 |
| Spanish-Speaking Countries | 0 | - | 4.95 | 372,547 |
| Countries with the Most Tourists Quiz | 0 | - | 4.92 | 402,445 |
| Island Countries | 0 | - | 4.99 | 708,083 |
| Biggest Countries by Area | 0 | - | 4.99 | 1,041,047 |
| Northernmost Countries | 0 | - | 4.99 | 358,405 |
| Countries of South America | 0 | - | 5.00 | 916,868 |
| Countries of Oceania | 0 | - | 5.00 | 1,042,973 |
| Countries of Asia Quiz | 0 | - | 5.00 | 1,852,425 |
| "Land" Countries | 0 | - | 4.98 | 333,960 |
| Five Lowest HDI Countries by Continent | 0 | - | 4.63 | 51,339 |
| Countries of the World with an Empty Map | 0 | - | 5.00 | 3,365,487 |
| Countries More Populous Than Their Neighbors | 0 | - | 4.99 | 171,748 |
| Countries with Megacities | 0 | - | 4.99 | 247,865 |
| Countries With More than 50 Million People | 0 | - | 4.99 | 197,623 |
| Countries with the Most Population Growth by Decade | 0 | - | 4.98 | 112,265 |
| Countries With More than 200 Million People | 0 | - | 4.96 | 136,014 |
| Countries Less Populous Than Their Neighbors | 0 | - | 4.96 | 80,213 |
| Countries by Official Language | 0 | - | 4.95 | 193,031 |
| Countries with the Most Speakers of These Languages | 0 | - | 4.91 | 293,486 |
| Countries in their Native Language | 0 | - | 4.99 | 196,878 |
| Independence from Whom | 0 | - | 4.99 | 210,002 |
| Subdivisions by Country | 0 | - | 4.86 | 50,118 |
| Who Controlled These Colonies? | 0 | - | 4.88 | 130,962 |
| Megadiverse Countries | 0 | - | 4.97 | 134,001 |
| Countries With the Most English Speakers | 0 | - | 4.86 | 130,039 |
| Countries Producing the Most Sugarcane | 0 | - | 4.95 | 54,979 |
| Countries with Multiple Big Islands | 0 | - | 4.93 | 125,486 |
| Top 10 Wheat-Producing Countries | 0 | - | 4.89 | 74,890 |
| 15 Biggest Island Countries | 0 | - | 4.98 | 161,807 |
| Most Recently-Settled Countries | 0 | - | 4.94 | 62,082 |
| Countries of the World in 1938 Quiz | 0 | - | 4.95 | 93,252 |
| Countries Bigger Than Their Neighbors | 0 | - | 4.93 | 153,307 |
| Countries with Multiple Populous Islands | 0 | - | 4.89 | 95,270 |
| Countries in Relation to Cities #1 | 0 | - | 4.92 | 44,773 |
| Countries by Sports League Revenue | 0 | - | 4.94 | 75,802 |
| Landmarks of Countries #1 | 0 | - | 4.88 | 107,480 |
| Countries Furthest from the United States | 0 | - | 4.94 | 88,578 |
| Countries with the Highest HDI | 0 | - | 4.95 | 136,564 |
| Straight Shot to the Arctic Circle | 0 | - | 4.88 | 74,757 |
| Most Dispersed Island Nations | 0 | - | 4.96 | 71,090 |
| Countries of the World in Alphabetical Order | 0 | - | 5.00 | 108,940 |
| World Map Quiz | 0 | - | 4.81 | 63,701 |
| Recognized, Non-Recognized Countries, and Territories of the World | 0 | - | 5.00 | 153,349 |
| Smallest Countries with at Least One Border | 0 | - | 4.87 | 106,483 |
| Countries by Founding Story | 0 | - | 4.95 | 76,658 |
| Southernmost Countries of the World | 0 | - | 4.99 | 226,658 |
| Countries by Inland Surface Water | 0 | - | 4.94 | 104,431 |
| Top 20 Motor Vehicle Producing Countries | 0 | - | 4.91 | 122,160 |
| Countries With the Most Languages | 0 | - | 4.90 | 200,146 |
| Countries with the Highest Population Under Age 15 | 0 | - | 4.95 | 110,051 |
| Countries with the Highest Population 65 and Older | 0 | - | 4.90 | 93,247 |
| Countries with the Most Prisoners | 0 | - | 4.94 | 98,444 |
| Countries with the Most Domestic Camels | 0 | - | 4.94 | 61,036 |
| Tallest Countries North to South | 0 | - | 4.83 | 119,484 |
| Widest Countries East to West | 0 | - | 4.92 | 128,976 |
| Countries with the Highest Average Elevation | 0 | - | 4.98 | 71,268 |
| Largest Countries by Area or Population | 0 | - | 5.00 | 185,398 |
| Countries with the Most Area in the Southern Hemisphere | 0 | - | 4.99 | 97,623 |
| Most Populous Countries as a Percent of Their Continent | 0 | - | 4.97 | 93,811 |
| Largest Countries as a Percent of Continent | 0 | - | 4.97 | 147,755 |
| Countries with the Most Desert | 0 | - | 4.93 | 127,173 |
| Countries by Contribution to UN Budget | 0 | - | 4.89 | 75,414 |
| Countries with Most Nobel Laureates per Capita | 0 | - | 4.84 | 34,630 |
| Countries with Double Letters | 0 | - | 4.97 | 93,609 |
| Countries that End in N | 0 | - | 4.94 | 157,078 |
| Countries with Five Letters Quiz | 0 | - | 4.96 | 258,929 |
| Countries with Six Letters | 0 | - | 4.93 | 210,604 |
| Countries with W | 0 | - | 4.97 | 158,371 |
| Countries with Z | 0 | - | 4.98 | 288,143 |
| Countries with Letters Missing | 0 | - | 4.97 | 184,702 |
| Countries That End in U | 0 | - | 4.95 | 119,594 |
| Top 20 Longest One-Word Country Names | 0 | - | 4.98 | 132,804 |
| Countries that End in O | 0 | - | 4.92 | 158,625 |
| Countries that End in R | 0 | - | 4.87 | 118,351 |
| Country Names Created by Only 4 Letters | 0 | - | 4.99 | 154,912 |
| Countries Ending in "IA" | 0 | - | 4.99 | 207,336 |
| Countries by First and Last Letter #1 | 0 | - | 4.97 | 169,490 |
| Countries by Last Two Letters | 0 | - | 4.85 | 134,605 |
| Countries by First and Last Letter #2 | 0 | - | 4.96 | 141,155 |
| Countries That End in Y | 0 | - | 4.90 | 185,264 |
| Countries Based on First Two Letters #1 | 0 | - | 4.99 | 196,556 |
| Countries with Cardinal Directions in Their Names | 0 | - | 4.92 | 151,842 |
| Countries that End in I | 0 | - | 4.94 | 134,515 |
| Countries Based on First Two Letters #2 | 0 | - | 4.99 | 182,396 |
| Countries by Initial Letter and Length #1 | 0 | - | 4.98 | 95,272 |
| Countries That End in NIA | 0 | - | 4.92 | 109,087 |
| Countries That End in BIA | 0 | - | 4.92 | 147,819 |
| Countries by Initial Letter and Continent #1 | 0 | - | 4.94 | 166,203 |
| Countries Whose Names Start with Saint | 0 | - | 4.87 | 118,600 |
| Countries That End in RIA | 0 | - | 4.93 | 126,170 |
| Most Common Words in Official Country Names | 0 | - | 4.85 | 110,134 |
| Divided Country Name Puzzle #1 | 0 | - | 4.99 | 225,592 |
| Divided Country Name Puzzle #2 | 0 | - | 4.99 | 132,632 |
| Divided Country Name Puzzle #3 | 0 | - | 4.92 | 124,992 |
| Groups of Countries that Start with the Same 3 Letters | 0 | - | 5.00 | 90,501 |
| Add A Letter - Make a Country | 0 | - | 4.82 | 73,995 |
| Countries With One Word and Three A's | 0 | - | 4.92 | 52,237 |
| Countries with a Unique Last Letter | 0 | - | 4.90 | 102,756 |
| Unique Starting Letter - Countries by Continent | 0 | - | 4.98 | 124,637 |
| Countries that are Free from U.S.A. | 0 | - | 4.89 | 48,870 |
| Countries with the Word "And" | 0 | - | 4.99 | 116,283 |
| Countries Containing Two or More Words | 0 | - | 4.96 | 52,944 |
| Countries that End in L | 0 | - | 4.94 | 156,130 |
| "Stan" Countries Quiz | 0 | - | 4.97 | 211,857 |
| Countries Ending with "An", but not "Stan" | 0 | - | 4.98 | 85,016 |
| City to Country Quiz #1 | 0 | - | 4.97 | 155,596 |
| City to Country Quiz #3 | 0 | - | 4.88 | 118,411 |
| 45 European Countries, 45 Cities | 0 | - | 4.95 | 78,499 |
| Five Most Guessed Countries by Continent | 0 | - | 4.96 | 171,707 |
| Top 15 Countries that Produce the Most Tea | 0 | - | 4.81 | 108,227 |
| Top 10 Countries in Nuclear Power Production | 0 | - | 4.95 | 86,450 |
| 10 Northernmost Countries That Start with S | 0 | - | 4.94 | 62,395 |
| Biggest Countries by Population | 0 | - | 5.00 | 1,437,086 |
| Smallest Countries by Population and Area | 0 | - | 4.99 | 378,140 |
| One Border Countries | 0 | - | 4.98 | 465,272 |
| Five Highest HDI Countries by Continent | 0 | - | 4.52 | 58,145 |
| Countries by Borders in 90 Seconds | 0 | - | 4.99 | 3,805,713 |
| Countries by First Two Letters in 90 Seconds | 0 | - | 4.98 | 5,594,155 |
| Most Populous Countries with Exceptions | 0 | - | 4.98 | 121,096 |
| Top 10 Most Densely-Populated Countries in Europe | 0 | - | 4.98 | 111,589 |
| Countries by Population Range - Tile Select | 0 | - | 4.87 | 58,459 |
| Countries by National Anthem | 0 | - | 4.92 | 71,064 |
| NATO Countries | 0 | - | 4.98 | 276,902 |
| EU Countries Quiz | 0 | - | 4.99 | 270,639 |
| Recently Independent Countries | 0 | - | 4.98 | 158,134 |
| French-Speaking Countries | 0 | - | 4.85 | 269,142 |
| Natural Features of Countries #1 | 0 | - | 4.86 | 83,425 |
| Countries That Use the Euro | 0 | - | 4.95 | 103,386 |
| Countries with the Most Military Troops | 0 | - | 4.95 | 285,497 |
| Countries with Nuclear Weapons | 0 | - | 4.86 | 269,113 |
| German-Speaking Countries | 0 | - | 4.89 | 123,574 |
| Countries with Wild Tigers | 0 | - | 4.96 | 135,795 |
| Countries with Wild Penguins | 0 | - | 4.94 | 99,445 |
