| Five Most Populated Countries on a Multicolored World Map | 0 | - | 4.98 | 74,032 |
| Countries that Produce the Most Beer | 0 | - | 4.85 | 130,794 |
| Countries of the World Quiz | 0 | - | 5.00 | 47,501,398 |
| Landlocked Countries | 0 | - | 4.99 | 421,013 |
| Countries of Europe - One Minute Sprint | 0 | - | 4.94 | 1,329,333 |
| Countries by Emojis | 0 | - | 4.99 | 239,937 |
| Countries that Produce the Most Wine | 0 | - | 4.87 | 191,768 |
| Countries of Europe Quiz | 0 | - | 5.00 | 3,771,243 |
| Sahara Desert Countries | 0 | - | 4.98 | 163,988 |
| Himalayan Countries | 0 | - | 4.95 | 138,296 |
| Andean Countries | 0 | - | 4.95 | 84,367 |
| Countries with the Youngest Median Age | 0 | - | 4.97 | 63,590 |
| Countries in the Southern Hemisphere | 0 | - | 4.99 | 125,506 |
| Coffee Producing Countries | 0 | - | 4.83 | 67,215 |
| Countries with Shrinking Populations | 0 | - | 4.94 | 65,623 |
| Danube Countries | 0 | - | 4.97 | 71,898 |
| Countries With an "Ish" Demonym | 0 | - | 4.98 | 116,870 |
| Countries With an "Ese" Demonym | 0 | - | 4.97 | 86,291 |
| Countries with the Worst Passports | 0 | - | 4.94 | 84,090 |
| Countries with the Most Immigrants | 0 | - | 4.90 | 149,559 |
| European Landlocked Countries | 0 | - | 4.99 | 147,028 |
| Partially Recognized Countries | 0 | - | 4.98 | 106,460 |
| Countries with the Most Species | 0 | - | 4.99 | 103,147 |
| Countries 197 to 205 | 0 | - | 4.89 | 70,606 |
| Tropic of Cancer Countries | 0 | - | 4.97 | 53,534 |
| Tropic of Capricorn Countries | 0 | - | 4.96 | 47,674 |
| Countries that Use the Peso | 0 | - | 4.89 | 59,468 |
| Countries with the Largest Exclusive Economic Zone | 0 | - | 4.90 | 73,150 |
| Countries with a AAA Credit Rating | 0 | - | 4.86 | 57,555 |
| Countries in the Alps | 0 | - | 4.87 | 118,037 |
| Top Five Importing Partners by Country | 0 | - | 4.97 | 100,299 |
| Countries, Capitals, Currencies and Official Languages | 0 | - | 5.00 | 106,830 |
| Biggest Import Partners By Country | 0 | - | 4.99 | 78,579 |
| Southernmost Countries by Continent | 0 | - | 4.98 | 96,504 |
| Northernmost Countries by Continent | 0 | - | 4.98 | 116,379 |
| Countries by Population Growth, 1970–Present | 0 | - | 4.92 | 95,871 |
| Five Biggest Countries by Latitude | 0 | - | 4.97 | 100,537 |
| Five Biggest Countries by Longitude | 0 | - | 4.91 | 53,396 |
| Largest Country by Body of Water | 0 | - | 4.96 | 58,111 |
| Countries with the Most Container Port Traffic | 0 | - | 4.92 | 62,744 |
| Bridge and Tunnel Borders | 0 | - | 4.96 | 53,585 |
| Countries with the Longest Road Networks Quiz | 0 | - | 4.90 | 41,444 |
| Countries that Touch the Prime Meridian or Equator | 0 | - | 4.88 | 104,116 |
| Arctic Ocean Countries | 0 | - | 4.95 | 79,384 |
| Countries with the Most Grassland | 0 | - | 4.94 | 77,417 |
| All Countries by Area : Four at a Time | 0 | - | 5.00 | 118,663 |
| Countries with the Most Climate Zones | 0 | - | 4.96 | 68,211 |
| Asian Countries with the Shortest Names | 0 | - | 4.97 | 135,376 |
| Countries that Host the Most Refugees | 0 | - | 4.95 | 59,725 |
| Countries of the World by Similar Area in 90 Seconds | 0 | - | 4.95 | 45,886 |
| All Countries of the World by Area with Hints | 0 | - | 4.97 | 243,444 |
| World Countries - Blind Typing | 0 | - | 5.00 | 107,816 |
| Countries in Their Own Alphabet | 0 | - | 4.95 | 48,141 |
| Largest Countries By Category | 0 | - | 4.97 | 158,012 |
| Countries by Countries | 0 | - | 4.96 | 63,080 |
| Country Flags with the Most White | 0 | - | 4.85 | 138,537 |
| Countries With the Northernmost Southernmost Point | 0 | - | 4.96 | 62,237 |
| Countries with the Southernmost Northernmost Point | 0 | - | 4.87 | 47,529 |
| Country Flags With Only Two Colors | 0 | - | 4.91 | 88,564 |
| Top 50 Countries by Population - In Order | 0 | - | 4.98 | 330,721 |
| Spanish-Speaking Countries | 0 | - | 4.95 | 375,217 |
| Countries with the Most Tourists Quiz | 0 | - | 4.92 | 406,597 |
| Island Countries | 0 | - | 4.99 | 710,649 |
| Countries of the World with an Empty Map | 0 | - | 5.00 | 3,381,065 |
| 20 Random Country Flags | 0 | - | 4.99 | 613,278 |
| Biggest Countries by Area | 0 | - | 5.00 | 1,048,553 |
| Northernmost Countries | 0 | - | 4.99 | 361,498 |
| Countries of South America | 0 | - | 5.00 | 925,808 |
| Countries of Oceania | 0 | - | 5.00 | 1,055,028 |
| Countries of Asia Quiz | 0 | - | 5.00 | 1,873,682 |
| "Land" Countries | 0 | - | 4.98 | 336,981 |
| Top 10 Countries in Beer Production per Capita | 0 | - | 4.67 | 64,919 |
| Countries by Alcohol Consumption | 0 | - | 4.43 | 205,472 |
| Name a Valid European Country #1 | 0 | - | 4.99 | 261,354 |
| Name a Valid Asian Country | 0 | - | 4.98 | 121,087 |
| Name a Valid African Country | 0 | - | 4.98 | 154,170 |
| Name a Valid European Country #2 | 0 | - | 4.94 | 114,813 |
| Biggest Countries by Population | 0 | - | 5.00 | 1,446,568 |
| Smallest Countries by Population and Area | 0 | - | 4.99 | 380,540 |
| Countries More Populous Than Their Neighbors | 0 | - | 4.99 | 173,623 |
| Countries with Megacities | 0 | - | 4.99 | 263,859 |
| Countries With More than 50 Million People | 0 | - | 4.99 | 199,473 |
| Countries with the Most Population Growth by Decade | 0 | - | 4.98 | 113,327 |
| Countries With More than 200 Million People | 0 | - | 4.96 | 137,747 |
| Countries Less Populous Than Their Neighbors | 0 | - | 4.96 | 81,373 |
| Countries by Official Language | 0 | - | 4.95 | 195,041 |
| Countries with the Most Speakers of These Languages | 0 | - | 4.91 | 296,101 |
| Countries in their Native Language | 0 | - | 4.99 | 198,544 |
| Independence from Whom | 0 | - | 4.99 | 211,850 |
| Subdivisions by Country | 0 | - | 4.86 | 50,385 |
| Who Controlled These Colonies? | 0 | - | 4.88 | 132,533 |
| Megadiverse Countries | 0 | - | 4.96 | 134,926 |
| Countries With the Most English Speakers | 0 | - | 4.86 | 131,904 |
| Countries Producing the Most Sugarcane | 0 | - | 4.95 | 55,285 |
| Countries with Multiple Big Islands | 0 | - | 4.93 | 125,869 |
| Top 10 Wheat-Producing Countries | 0 | - | 4.89 | 75,074 |
| 15 Biggest Island Countries | 0 | - | 4.98 | 162,988 |
| Most Recently-Settled Countries | 0 | - | 4.94 | 62,527 |
| Countries of the World in 1938 Quiz | 0 | - | 4.95 | 94,325 |
| Countries Bigger Than Their Neighbors | 0 | - | 4.93 | 153,971 |
| Countries with Multiple Populous Islands | 0 | - | 4.89 | 95,593 |
| Countries in Relation to Cities #1 | 0 | - | 4.92 | 45,051 |
| Countries by Sports League Revenue | 0 | - | 4.94 | 77,458 |
| Landmarks of Countries #1 | 0 | - | 4.88 | 107,817 |
| Countries Furthest from the United States | 0 | - | 4.94 | 89,129 |
| Countries with the Highest HDI | 0 | - | 4.95 | 136,907 |
| Straight Shot to the Arctic Circle | 0 | - | 4.88 | 75,291 |
| Most Dispersed Island Nations | 0 | - | 4.97 | 71,437 |
| Countries of the World in Alphabetical Order | 0 | - | 5.00 | 110,876 |
| World Map Quiz | 0 | - | 4.81 | 64,948 |
| Recognized, Non-Recognized Countries, and Territories of the World | 0 | - | 5.00 | 156,698 |
| Smallest Countries with at Least One Border | 0 | - | 4.87 | 107,250 |
| Countries by Founding Story | 0 | - | 4.95 | 77,281 |
| Countries by Road Signs | 0 | - | 4.98 | 53,883 |
| Southernmost Countries of the World | 0 | - | 4.99 | 227,883 |
| Countries by Inland Surface Water | 0 | - | 4.93 | 105,155 |
| Top 20 Motor Vehicle Producing Countries | 0 | - | 4.91 | 122,878 |
| Countries With the Most Languages | 0 | - | 4.90 | 201,923 |
| Countries with the Highest Population Under Age 15 | 0 | - | 4.95 | 110,794 |
| Countries with the Highest Population 65 and Older | 0 | - | 4.90 | 93,919 |
| Countries with the Most Prisoners | 0 | - | 4.94 | 99,212 |
| Countries with the Most Domestic Camels | 0 | - | 4.94 | 61,388 |
| Tallest Countries North to South | 0 | - | 4.83 | 120,494 |
| Widest Countries East to West | 0 | - | 4.92 | 129,561 |
| Countries with the Highest Average Elevation | 0 | - | 4.98 | 71,425 |
| Largest Countries by Area or Population | 0 | - | 5.00 | 186,249 |
| Countries with the Most Area in the Southern Hemisphere | 0 | - | 4.99 | 98,086 |
| Most Populous Countries as a Percent of Their Continent | 0 | - | 4.97 | 94,683 |
| Largest Countries as a Percent of Continent | 0 | - | 4.97 | 148,472 |
| Countries with the Most Desert | 0 | - | 4.93 | 127,757 |
| Countries by Contribution to UN Budget | 0 | - | 4.87 | 77,332 |
| Countries with Most Nobel Laureates per Capita | 0 | - | 4.83 | 34,779 |
| Countries with Double Letters | 0 | - | 4.97 | 95,922 |
| Countries that End in N | 0 | - | 4.95 | 170,837 |
| Countries with Five Letters | 0 | - | 4.96 | 281,943 |
| Countries with Six Letters | 0 | - | 4.94 | 213,254 |
| Countries with W | 0 | - | 4.97 | 160,107 |
| Countries with Z | 0 | - | 4.98 | 291,116 |
| Countries with Letters Missing | 0 | - | 4.96 | 186,462 |
| Countries That End in U | 0 | - | 4.95 | 120,723 |
| Top 20 Longest One-Word Country Names | 0 | - | 4.98 | 134,237 |
| Countries that End in O | 0 | - | 4.92 | 159,426 |
| Countries that End in R | 0 | - | 4.87 | 118,896 |
| Country Names Created by Only 4 Letters | 0 | - | 4.99 | 155,663 |
| Countries Ending in "IA" | 0 | - | 4.99 | 208,841 |
| Countries by First and Last Letter #1 | 0 | - | 4.97 | 170,533 |
| Countries by Last Two Letters | 0 | - | 4.85 | 135,366 |
| Countries by First and Last Letter #2 | 0 | - | 4.96 | 142,254 |
| Countries That End in Y | 0 | - | 4.91 | 185,803 |
| Countries Based on First Two Letters #1 | 0 | - | 4.99 | 197,722 |
| Countries with Cardinal Directions in Their Names | 0 | - | 4.92 | 152,719 |
| Countries that End in I | 0 | - | 4.94 | 135,026 |
| Countries Based on First Two Letters #2 | 0 | - | 4.99 | 183,893 |
| Countries by Initial Letter and Length #1 | 0 | - | 4.98 | 95,748 |
| Countries That End in NIA | 0 | - | 4.92 | 109,695 |
| Countries That End in BIA | 0 | - | 4.93 | 149,089 |
| Countries by Initial Letter and Continent #1 | 0 | - | 4.94 | 166,972 |
| Countries Whose Names Start with Saint | 0 | - | 4.87 | 119,302 |
| Countries That End in RIA | 0 | - | 4.93 | 126,730 |
| Most Common Words in Official Country Names | 0 | - | 4.86 | 110,894 |
| Divided Country Name Puzzle #1 | 0 | - | 4.99 | 227,286 |
| Divided Country Name Puzzle #2 | 0 | - | 4.99 | 133,527 |
| Divided Country Name Puzzle #3 | 0 | - | 4.92 | 125,930 |
| Groups of Countries that Start with the Same 3 Letters | 0 | - | 5.00 | 91,504 |
| Add A Letter - Make a Country | 0 | - | 4.82 | 74,500 |
| Countries With One Word and Three A's | 0 | - | 4.92 | 52,914 |
| Countries with a Unique Last Letter | 0 | - | 4.90 | 103,411 |
| Unique Starting Letter - Countries by Continent | 0 | - | 4.98 | 125,407 |
| Countries that are Free from U.S.A. | 0 | - | 4.89 | 49,354 |
| Countries with the Word "And" | 0 | - | 4.99 | 117,143 |
| Countries Containing Two or More Words | 0 | - | 4.97 | 53,832 |
| Countries that End in L | 0 | - | 4.94 | 156,741 |
| "Stan" Countries Quiz | 0 | - | 4.97 | 215,137 |
| Countries Ending with "An", but not "Stan" | 0 | - | 4.98 | 85,237 |
| City to Country Quiz #1 | 0 | - | 4.97 | 155,948 |
| City to Country Quiz #3 | 0 | - | 4.88 | 118,881 |
| 45 European Countries, 45 Cities | 0 | - | 4.95 | 78,912 |
| Five Biggest Countries by Continent | 0 | - | 4.99 | 249,547 |
| Five Poorest Countries by Continent | 0 | - | 4.93 | 200,504 |
| Five Least Populated Countries by Continent | 0 | - | 4.95 | 142,884 |
| Five Smallest Countries by Continent | 0 | - | 4.98 | 163,405 |
| First Five Countries Alphabetically by Continent | 0 | - | 4.94 | 225,243 |
| Last Five Countries Alphabetically by Continent | 0 | - | 4.98 | 152,780 |
| Five Northernmost Capital Cities by Continent | 0 | - | 4.89 | 71,044 |
| Top 10 Countries in Nuclear Power Production | 0 | - | 4.95 | 86,667 |
| 10 Northernmost Countries That Start with S | 0 | - | 4.94 | 62,802 |
| Countries by Borders in 90 Seconds | 0 | - | 4.99 | 3,830,850 |
| One Border Countries | 0 | - | 4.98 | 468,916 |
| Countries by First Two Letters in 90 Seconds | 0 | - | 4.98 | 5,626,600 |
| Category Elimination - European Countries #1 | 0 | - | 4.89 | 90,155 |
| Countries that Beat Australia | 0 | - | 4.92 | 92,905 |
| Five Most Densely Populated Countries by Continent | 0 | - | 4.96 | 86,779 |
| Five Most Populated Countries by Continent | 0 | - | 4.99 | 267,954 |
| Most Populous Countries with Exceptions | 0 | - | 4.98 | 121,985 |
| Top 10 Most Densely-Populated Countries in Europe | 0 | - | 4.98 | 112,448 |
| Five Least Densely Populated Countries by Continent | 0 | - | 4.92 | 93,599 |
| Countries by Population Range - Tile Select | 0 | - | 4.87 | 59,124 |
| Majority Muslim Countries | 0 | - | 4.98 | 374,737 |
| Countries by National Anthem | 0 | - | 4.93 | 71,257 |
| NATO Countries | 0 | - | 4.98 | 280,756 |
