| Top 15 Countries that Produce the Most Tea | 0 | - | 4.81 | 108,264 |
| Top 10 Countries in Nuclear Power Production | 0 | - | 4.95 | 86,483 |
| 10 Northernmost Countries That Start with S | 0 | - | 4.94 | 62,465 |
| Landlocked Countries | 0 | - | 4.99 | 415,828 |
| Top 10 Most Densely-Populated Countries in Europe | 0 | - | 4.98 | 111,928 |
| Countries of the World Quiz | 0 | - | 5.00 | 47,099,810 |
| Top 10 European Countries with the Highest Elevation | 0 | - | 4.83 | 90,957 |
| Top Rice-Producing Countries | 0 | - | 4.95 | 98,548 |
| Top Chocolate Growing Countries | 0 | - | 4.93 | 61,457 |
| Sahara Desert Countries | 0 | - | 4.98 | 161,513 |
| Himalayan Countries | 0 | - | 4.95 | 136,152 |
| Andean Countries | 0 | - | 4.95 | 83,262 |
| Countries with the Youngest Median Age | 0 | - | 4.97 | 62,566 |
| Countries in the Southern Hemisphere | 0 | - | 4.99 | 123,756 |
| Coffee Producing Countries | 0 | - | 4.83 | 66,268 |
| Countries with Shrinking Populations | 0 | - | 4.94 | 64,895 |
| Danube Countries | 0 | - | 4.97 | 71,309 |
| Countries With an "Ish" Demonym | 0 | - | 4.98 | 116,078 |
| Countries With an "Ese" Demonym | 0 | - | 4.97 | 85,765 |
| Countries with the Worst Passports | 0 | - | 4.94 | 82,975 |
| Countries with the Most Immigrants | 0 | - | 4.90 | 147,927 |
| European Landlocked Countries | 0 | - | 4.99 | 146,019 |
| Partially Recognized Countries | 0 | - | 4.98 | 105,618 |
| Countries with the Most Species | 0 | - | 4.99 | 95,376 |
| Countries 197 to 205 | 0 | - | 4.89 | 69,757 |
| Tropic of Cancer Countries | 0 | - | 4.97 | 53,290 |
| Tropic of Capricorn Countries | 0 | - | 4.96 | 47,459 |
| Countries that Use the Peso | 0 | - | 4.88 | 59,098 |
| Countries with the Largest Exclusive Economic Zone | 0 | - | 4.90 | 72,748 |
| Countries with a AAA Credit Rating | 0 | - | 4.85 | 57,123 |
| Countries in the Alps | 0 | - | 4.86 | 117,206 |
| Top Five Importing Partners by Country | 0 | - | 4.97 | 94,817 |
| Countries, Capitals, Currencies and Official Languages | 0 | - | 5.00 | 105,712 |
| Biggest Import Partners By Country | 0 | - | 4.99 | 78,196 |
| Southernmost Countries by Continent | 0 | - | 4.98 | 95,639 |
| Northernmost Countries by Continent | 0 | - | 4.98 | 115,445 |
| Countries by Population Growth, 1970–Present | 0 | - | 4.91 | 95,188 |
| Five Biggest Countries by Latitude | 0 | - | 4.97 | 99,879 |
| Five Biggest Countries by Longitude | 0 | - | 4.91 | 52,933 |
| Largest Country by Body of Water | 0 | - | 4.96 | 57,738 |
| Countries with the Most Container Port Traffic | 0 | - | 4.92 | 62,268 |
| Bridge and Tunnel Borders | 0 | - | 4.96 | 53,303 |
| Countries with the Longest Road Networks Quiz | 0 | - | 4.90 | 41,170 |
| Countries that Touch the Prime Meridian or Equator | 0 | - | 4.88 | 103,659 |
| Arctic Ocean Countries | 0 | - | 4.95 | 78,920 |
| Countries with the Most Grassland | 0 | - | 4.93 | 76,931 |
| All Countries by Area : Four at a Time | 0 | - | 5.00 | 117,568 |
| Countries with the Most Climate Zones | 0 | - | 4.96 | 67,835 |
| Countries that Host the Most Refugees | 0 | - | 4.95 | 59,372 |
| Countries of the World by Similar Area in 90 Seconds | 0 | - | 4.95 | 45,105 |
| All Countries of the World by Area with Hints | 0 | - | 4.97 | 240,554 |
| World Countries - Blind Typing | 0 | - | 5.00 | 106,361 |
| Countries in Their Own Alphabet | 0 | - | 4.95 | 47,766 |
| Largest Countries By Category | 0 | - | 4.97 | 157,134 |
| Countries by Countries | 0 | - | 4.96 | 62,504 |
| Country Flags with the Most White | 0 | - | 4.87 | 137,759 |
| Countries With the Northernmost Southernmost Point | 0 | - | 4.96 | 62,051 |
| Countries with the Southernmost Northernmost Point | 0 | - | 4.87 | 47,393 |
| Country Flags With Only Two Colors | 0 | - | 4.92 | 88,017 |
| Countries of Europe Quiz | 0 | - | 5.00 | 3,734,806 |
| Top 50 Countries by Population - In Order | 0 | - | 4.98 | 326,238 |
| Spanish-Speaking Countries | 0 | - | 4.95 | 373,350 |
| Countries with the Most Tourists Quiz | 0 | - | 4.92 | 403,085 |
| Island Countries | 0 | - | 4.99 | 708,538 |
| Biggest Countries by Area | 0 | - | 4.99 | 1,042,375 |
| Northernmost Countries | 0 | - | 4.99 | 358,966 |
| Countries of South America | 0 | - | 5.00 | 918,576 |
| Countries of Oceania | 0 | - | 5.00 | 1,045,255 |
| Countries of Asia Quiz | 0 | - | 5.00 | 1,856,065 |
| "Land" Countries | 0 | - | 4.98 | 334,232 |
| Top 10 Countries with the Most Volcanoes | 0 | - | 4.53 | 77,227 |
| Top 10 Countries with the Most Time Zones | 0 | - | 4.69 | 155,048 |
| Top 10 Most Protestant European Countries | 0 | - | 4.49 | 36,504 |
| Countries of the World with an Empty Map | 0 | - | 5.00 | 3,368,439 |
| Countries More Populous Than Their Neighbors | 0 | - | 4.99 | 172,051 |
| Countries with Megacities | 0 | - | 4.99 | 248,516 |
| Countries With More than 50 Million People | 0 | - | 4.99 | 197,934 |
| Countries with the Most Population Growth by Decade | 0 | - | 4.98 | 112,434 |
| Countries With More than 200 Million People | 0 | - | 4.96 | 136,317 |
| Countries Less Populous Than Their Neighbors | 0 | - | 4.96 | 80,375 |
| Countries by Official Language | 0 | - | 4.95 | 193,639 |
| Countries with the Most Speakers of These Languages | 0 | - | 4.91 | 294,142 |
| Countries in their Native Language | 0 | - | 4.99 | 197,348 |
| Independence from Whom | 0 | - | 4.99 | 210,330 |
| Subdivisions by Country | 0 | - | 4.86 | 50,165 |
| Who Controlled These Colonies? | 0 | - | 4.88 | 131,178 |
| Megadiverse Countries | 0 | - | 4.96 | 134,494 |
| Countries With the Most English Speakers | 0 | - | 4.86 | 130,531 |
| Countries Producing the Most Sugarcane | 0 | - | 4.95 | 55,044 |
| Countries with Multiple Big Islands | 0 | - | 4.93 | 125,580 |
| Top 10 Wheat-Producing Countries | 0 | - | 4.89 | 74,928 |
| 15 Biggest Island Countries | 0 | - | 4.98 | 161,945 |
| Most Recently-Settled Countries | 0 | - | 4.94 | 62,161 |
| Countries of the World in 1938 Quiz | 0 | - | 4.95 | 93,442 |
| Countries Bigger Than Their Neighbors | 0 | - | 4.93 | 153,491 |
| Countries with Multiple Populous Islands | 0 | - | 4.89 | 95,321 |
| Countries in Relation to Cities #1 | 0 | - | 4.92 | 44,795 |
| Countries by Sports League Revenue | 0 | - | 4.95 | 76,041 |
| Landmarks of Countries #1 | 0 | - | 4.88 | 107,545 |
| Countries Furthest from the United States | 0 | - | 4.94 | 88,648 |
| Countries with the Highest HDI | 0 | - | 4.95 | 136,616 |
| Straight Shot to the Arctic Circle | 0 | - | 4.88 | 74,820 |
| Most Dispersed Island Nations | 0 | - | 4.97 | 71,151 |
| Countries of the World in Alphabetical Order | 0 | - | 5.00 | 109,289 |
| World Map Quiz | 0 | - | 4.81 | 63,905 |
| Recognized, Non-Recognized Countries, and Territories of the World | 0 | - | 5.00 | 153,964 |
| Smallest Countries with at Least One Border | 0 | - | 4.87 | 106,640 |
| Countries by Founding Story | 0 | - | 4.95 | 76,788 |
| Southernmost Countries of the World | 0 | - | 4.99 | 226,899 |
| Countries by Inland Surface Water | 0 | - | 4.94 | 104,584 |
| Top 20 Motor Vehicle Producing Countries | 0 | - | 4.91 | 122,303 |
| Countries With the Most Languages | 0 | - | 4.89 | 200,486 |
| Countries with the Highest Population Under Age 15 | 0 | - | 4.95 | 110,176 |
| Countries with the Highest Population 65 and Older | 0 | - | 4.90 | 93,368 |
| Countries with the Most Prisoners | 0 | - | 4.94 | 98,558 |
| Countries with the Most Domestic Camels | 0 | - | 4.94 | 61,103 |
| Tallest Countries North to South | 0 | - | 4.83 | 119,578 |
| Widest Countries East to West | 0 | - | 4.92 | 129,079 |
| Countries with the Highest Average Elevation | 0 | - | 4.98 | 71,304 |
| Largest Countries by Area or Population | 0 | - | 5.00 | 185,560 |
| Countries with the Most Area in the Southern Hemisphere | 0 | - | 4.99 | 97,672 |
| Most Populous Countries as a Percent of Their Continent | 0 | - | 4.97 | 93,905 |
| Largest Countries as a Percent of Continent | 0 | - | 4.97 | 147,896 |
| Countries with the Most Desert | 0 | - | 4.93 | 127,283 |
| Countries by Contribution to UN Budget | 0 | - | 4.87 | 76,930 |
| Countries with Most Nobel Laureates per Capita | 0 | - | 4.84 | 34,655 |
| Countries with Double Letters | 0 | - | 4.96 | 93,790 |
| Countries that End in N | 0 | - | 4.94 | 157,222 |
| Countries with Five Letters Quiz | 0 | - | 4.96 | 259,173 |
| Countries with Six Letters | 0 | - | 4.93 | 210,812 |
| Countries with W | 0 | - | 4.97 | 158,486 |
| Countries with Z | 0 | - | 4.98 | 288,369 |
| Countries with Letters Missing | 0 | - | 4.97 | 184,837 |
| Countries That End in U | 0 | - | 4.95 | 119,653 |
| Top 20 Longest One-Word Country Names | 0 | - | 4.98 | 132,977 |
| Countries that End in O | 0 | - | 4.92 | 158,689 |
| Countries that End in R | 0 | - | 4.87 | 118,400 |
| Country Names Created by Only 4 Letters | 0 | - | 4.99 | 154,956 |
| Countries Ending in "IA" | 0 | - | 4.99 | 207,524 |
| Countries by First and Last Letter #1 | 0 | - | 4.97 | 169,619 |
| Countries by Last Two Letters | 0 | - | 4.85 | 134,703 |
| Countries by First and Last Letter #2 | 0 | - | 4.96 | 141,267 |
| Countries That End in Y | 0 | - | 4.90 | 185,312 |
| Countries Based on First Two Letters #1 | 0 | - | 4.99 | 196,707 |
| Countries with Cardinal Directions in Their Names | 0 | - | 4.92 | 151,982 |
| Countries that End in I | 0 | - | 4.94 | 134,584 |
| Countries Based on First Two Letters #2 | 0 | - | 4.99 | 182,572 |
| Countries by Initial Letter and Length #1 | 0 | - | 4.98 | 95,344 |
| Countries That End in NIA | 0 | - | 4.92 | 109,198 |
| Countries That End in BIA | 0 | - | 4.92 | 148,316 |
| Countries by Initial Letter and Continent #1 | 0 | - | 4.94 | 166,324 |
| Countries Whose Names Start with Saint | 0 | - | 4.87 | 118,691 |
| Countries That End in RIA | 0 | - | 4.93 | 126,245 |
| Most Common Words in Official Country Names | 0 | - | 4.86 | 110,227 |
| Divided Country Name Puzzle #1 | 0 | - | 4.99 | 225,882 |
| Divided Country Name Puzzle #2 | 0 | - | 4.99 | 132,751 |
| Divided Country Name Puzzle #3 | 0 | - | 4.92 | 125,111 |
| Groups of Countries that Start with the Same 3 Letters | 0 | - | 5.00 | 90,652 |
| Add A Letter - Make a Country | 0 | - | 4.82 | 74,063 |
| Countries With One Word and Three A's | 0 | - | 4.92 | 52,341 |
| Countries with a Unique Last Letter | 0 | - | 4.90 | 102,859 |
| Unique Starting Letter - Countries by Continent | 0 | - | 4.98 | 124,750 |
| Countries that are Free from U.S.A. | 0 | - | 4.89 | 48,930 |
| Countries with the Word "And" | 0 | - | 4.99 | 116,410 |
| Countries Containing Two or More Words | 0 | - | 4.96 | 53,079 |
| Countries that End in L | 0 | - | 4.94 | 156,194 |
| "Stan" Countries Quiz | 0 | - | 4.97 | 212,457 |
| Countries Ending with "An", but not "Stan" | 0 | - | 4.98 | 85,034 |
| City to Country Quiz #1 | 0 | - | 4.96 | 155,668 |
| City to Country Quiz #3 | 0 | - | 4.88 | 118,498 |
| 45 European Countries, 45 Cities | 0 | - | 4.95 | 78,562 |
| Five Biggest Countries by Continent | 0 | - | 4.99 | 248,134 |
| Five Poorest Countries by Continent | 0 | - | 4.93 | 199,713 |
| Five Least Populated Countries by Continent | 0 | - | 4.96 | 142,063 |
| Five Smallest Countries by Continent | 0 | - | 4.98 | 162,736 |
| First Five Countries Alphabetically by Continent | 0 | - | 4.94 | 224,148 |
| Last Five Countries Alphabetically by Continent | 0 | - | 4.98 | 151,984 |
| Five Northernmost Capital Cities by Continent | 0 | - | 4.89 | 70,848 |
| Biggest Countries by Population | 0 | - | 5.00 | 1,438,750 |
| Smallest Countries by Population and Area | 0 | - | 4.99 | 378,556 |
| One Border Countries | 0 | - | 4.98 | 466,018 |
| Countries that Eat the Most Fish | 0 | - | 4.26 | 71,634 |
| Top 10 Countries with the Most Fishermen | 0 | - | 4.30 | 45,236 |
| Countries by Borders in 90 Seconds | 0 | - | 4.99 | 3,810,342 |
| Countries by First Two Letters in 90 Seconds | 0 | - | 4.98 | 5,599,884 |
| Five Most Densely Populated Countries by Continent | 0 | - | 4.95 | 86,214 |
| Five Most Populated Countries by Continent | 0 | - | 4.99 | 266,710 |
| Most Populous Countries with Exceptions | 0 | - | 4.98 | 121,224 |
| Five Least Densely Populated Countries by Continent | 0 | - | 4.92 | 93,017 |
| Countries by Population Range - Tile Select | 0 | - | 4.87 | 58,569 |
| Countries by National Anthem | 0 | - | 4.93 | 71,092 |
| NATO Countries | 0 | - | 4.98 | 277,597 |
| EU Countries Quiz | 0 | - | 4.99 | 271,194 |
| Recently Independent Countries | 0 | - | 4.98 | 158,278 |
| French-Speaking Countries | 0 | - | 4.85 | 269,531 |
| Natural Features of Countries #1 | 0 | - | 4.86 | 83,468 |
| Countries That Use the Euro | 0 | - | 4.95 | 103,701 |
| Countries with the Most Military Troops | 0 | - | 4.95 | 286,002 |
| Countries with Nuclear Weapons | 0 | - | 4.86 | 269,839 |
| German-Speaking Countries | 0 | - | 4.89 | 137,420 |
