| Countries by Initial Letter and Continent #3 | 0 | - | 4.93 | 48,287 |
| Countries by Initial Letter and Continent #2 | 0 | - | 4.91 | 95,967 |
| Countries of the World Quiz | 0 | - | 5.00 | 47,214,800 |
| Landlocked Countries | 0 | - | 4.99 | 417,300 |
| Countries of Europe - One Minute Sprint | 0 | - | 4.94 | 1,324,283 |
| Countries by Emojis | 0 | - | 4.99 | 238,047 |
| Countries With One Word And Two O's | 0 | - | 4.94 | 55,517 |
| Countries of Europe Quiz | 0 | - | 5.00 | 3,745,500 |
| Divided World City Name Puzzle #1 | 0 | - | 4.87 | 48,424 |
| Last Names by Country of Origin | 0 | - | 4.64 | 156,227 |
| Sahara Desert Countries | 0 | - | 4.98 | 162,228 |
| Himalayan Countries | 0 | - | 4.95 | 136,769 |
| Andean Countries | 0 | - | 4.95 | 83,608 |
| Countries with the Youngest Median Age | 0 | - | 4.97 | 62,870 |
| Countries in the Southern Hemisphere | 0 | - | 4.99 | 124,168 |
| Coffee Producing Countries | 0 | - | 4.83 | 66,537 |
| Countries with Shrinking Populations | 0 | - | 4.94 | 65,130 |
| Danube Countries | 0 | - | 4.97 | 71,488 |
| Countries With an "Ish" Demonym | 0 | - | 4.97 | 116,310 |
| Countries With an "Ese" Demonym | 0 | - | 4.97 | 85,906 |
| Countries with the Worst Passports | 0 | - | 4.94 | 83,305 |
| Countries with the Most Immigrants | 0 | - | 4.90 | 148,303 |
| European Landlocked Countries | 0 | - | 4.99 | 146,198 |
| Partially Recognized Countries | 0 | - | 4.98 | 105,883 |
| Countries with the Most Species | 0 | - | 4.99 | 102,409 |
| Countries 197 to 205 | 0 | - | 4.89 | 70,014 |
| Tropic of Cancer Countries | 0 | - | 4.97 | 53,357 |
| Tropic of Capricorn Countries | 0 | - | 4.96 | 47,536 |
| Countries that Use the Peso | 0 | - | 4.88 | 59,205 |
| Countries with the Largest Exclusive Economic Zone | 0 | - | 4.90 | 72,859 |
| Countries with a AAA Credit Rating | 0 | - | 4.85 | 57,238 |
| Countries in the Alps | 0 | - | 4.86 | 117,437 |
| Top Five Importing Partners by Country | 0 | - | 4.97 | 94,967 |
| Countries, Capitals, Currencies and Official Languages | 0 | - | 5.00 | 106,048 |
| Biggest Import Partners By Country | 0 | - | 4.99 | 78,305 |
| Southernmost Countries by Continent | 0 | - | 4.98 | 95,809 |
| Northernmost Countries by Continent | 0 | - | 4.98 | 115,906 |
| Countries by Population Growth, 1970–Present | 0 | - | 4.91 | 95,324 |
| Five Biggest Countries by Latitude | 0 | - | 4.97 | 100,075 |
| Five Biggest Countries by Longitude | 0 | - | 4.91 | 53,047 |
| Largest Country by Body of Water | 0 | - | 4.96 | 57,862 |
| Countries with the Most Container Port Traffic | 0 | - | 4.92 | 62,396 |
| Bridge and Tunnel Borders | 0 | - | 4.96 | 53,398 |
| Countries with the Longest Road Networks Quiz | 0 | - | 4.90 | 41,242 |
| Countries that Touch the Prime Meridian or Equator | 0 | - | 4.88 | 103,790 |
| Arctic Ocean Countries | 0 | - | 4.95 | 79,055 |
| Countries with the Most Grassland | 0 | - | 4.93 | 77,066 |
| All Countries by Area : Four at a Time | 0 | - | 5.00 | 117,845 |
| Countries with the Most Climate Zones | 0 | - | 4.96 | 67,943 |
| Asian Countries with the Shortest Names | 0 | - | 4.97 | 134,877 |
| American Countries with the Shortest Names | 0 | - | 4.96 | 120,792 |
| Countries that Host the Most Refugees | 0 | - | 4.95 | 59,470 |
| Countries of the World by Similar Area in 90 Seconds | 0 | - | 4.95 | 45,311 |
| All Countries of the World by Area with Hints | 0 | - | 4.97 | 241,391 |
| World Countries - Blind Typing | 0 | - | 5.00 | 106,758 |
| Countries in Their Own Alphabet | 0 | - | 4.95 | 47,878 |
| Countries with the Most McDonald's Locations | 0 | - | 4.83 | 110,535 |
| Biggest Countries with No McDonald's | 0 | - | 4.84 | 89,173 |
| Largest Countries By Category | 0 | - | 4.97 | 157,358 |
| Countries by Countries | 0 | - | 4.96 | 62,676 |
| Country Flags with the Most White | 0 | - | 4.87 | 137,961 |
| Countries With the Northernmost Southernmost Point | 0 | - | 4.96 | 62,109 |
| Countries with the Southernmost Northernmost Point | 0 | - | 4.87 | 47,423 |
| Country Flags With Only Two Colors | 0 | - | 4.92 | 88,149 |
| UNESCO World Heritage Sites to Country | 0 | - | 4.97 | 102,883 |
| Top 50 Countries by Population - In Order | 0 | - | 4.98 | 327,585 |
| Spanish-Speaking Countries | 0 | - | 4.95 | 374,118 |
| Countries with the Most Tourists Quiz | 0 | - | 4.92 | 404,245 |
| Island Countries | 0 | - | 4.99 | 709,104 |
| Countries of the World with an Empty Map | 0 | - | 5.00 | 3,372,106 |
| 20 Random Country Flags | 0 | - | 4.99 | 608,812 |
| Biggest Countries by Area | 0 | - | 4.99 | 1,044,181 |
| Northernmost Countries | 0 | - | 4.99 | 359,732 |
| Countries of South America | 0 | - | 5.00 | 920,576 |
| Countries of Oceania | 0 | - | 5.00 | 1,048,190 |
| Countries of Asia Quiz | 0 | - | 5.00 | 1,861,008 |
| "Land" Countries | 0 | - | 4.98 | 335,220 |
| Countries that Produce the Most Beer | 0 | - | 4.85 | 130,180 |
| Name a Valid European Country #1 | 0 | - | 4.99 | 259,156 |
| Name a Valid Asian Country | 0 | - | 4.98 | 120,566 |
| Name a Valid African Country | 0 | - | 4.98 | 153,533 |
| Biggest Countries by Population | 0 | - | 5.00 | 1,440,959 |
| Smallest Countries by Population and Area | 0 | - | 4.99 | 379,116 |
| Countries More Populous Than Their Neighbors | 0 | - | 4.99 | 172,500 |
| Countries with Megacities | 0 | - | 4.99 | 249,447 |
| Countries With More than 50 Million People | 0 | - | 4.99 | 198,351 |
| Countries with the Most Population Growth by Decade | 0 | - | 4.98 | 112,674 |
| Countries With More than 200 Million People | 0 | - | 4.96 | 136,683 |
| Countries Less Populous Than Their Neighbors | 0 | - | 4.96 | 80,644 |
| Countries by Official Language | 0 | - | 4.95 | 194,252 |
| Countries with the Most Speakers of These Languages | 0 | - | 4.91 | 295,074 |
| Countries in their Native Language | 0 | - | 4.99 | 197,850 |
| Independence from Whom | 0 | - | 4.99 | 210,982 |
| Subdivisions by Country | 0 | - | 4.86 | 50,224 |
| Who Controlled These Colonies? | 0 | - | 4.88 | 131,453 |
| Megadiverse Countries | 0 | - | 4.96 | 134,608 |
| Countries With the Most English Speakers | 0 | - | 4.86 | 131,015 |
| Countries Producing the Most Sugarcane | 0 | - | 4.95 | 55,108 |
| Countries with Multiple Big Islands | 0 | - | 4.93 | 125,664 |
| Top 10 Wheat-Producing Countries | 0 | - | 4.89 | 74,965 |
| 15 Biggest Island Countries | 0 | - | 4.98 | 162,515 |
| Most Recently-Settled Countries | 0 | - | 4.94 | 62,277 |
| Countries of the World in 1938 Quiz | 0 | - | 4.95 | 93,708 |
| Countries Bigger Than Their Neighbors | 0 | - | 4.93 | 153,603 |
| Countries with Multiple Populous Islands | 0 | - | 4.89 | 95,409 |
| Countries in Relation to Cities #1 | 0 | - | 4.92 | 44,822 |
| Countries by Sports League Revenue | 0 | - | 4.94 | 76,478 |
| Landmarks of Countries #1 | 0 | - | 4.88 | 107,623 |
| Countries Furthest from the United States | 0 | - | 4.94 | 88,717 |
| Countries with the Highest HDI | 0 | - | 4.95 | 136,685 |
| Straight Shot to the Arctic Circle | 0 | - | 4.88 | 74,893 |
| Most Dispersed Island Nations | 0 | - | 4.97 | 71,251 |
| Countries of the World in Alphabetical Order | 0 | - | 5.00 | 109,756 |
| World Map Quiz | 0 | - | 4.81 | 64,232 |
| Recognized, Non-Recognized Countries, and Territories of the World | 0 | - | 5.00 | 154,733 |
| Smallest Countries with at Least One Border | 0 | - | 4.87 | 106,778 |
| Countries by Founding Story | 0 | - | 4.95 | 76,936 |
| Southernmost Countries of the World | 0 | - | 4.99 | 227,190 |
| Countries by Inland Surface Water | 0 | - | 4.94 | 104,744 |
| Top 20 Motor Vehicle Producing Countries | 0 | - | 4.91 | 122,478 |
| Countries With the Most Languages | 0 | - | 4.90 | 200,899 |
| Countries with the Highest Population Under Age 15 | 0 | - | 4.95 | 110,352 |
| Countries with the Highest Population 65 and Older | 0 | - | 4.90 | 93,524 |
| Countries with the Most Prisoners | 0 | - | 4.94 | 98,690 |
| Countries with the Most Domestic Camels | 0 | - | 4.94 | 61,185 |
| Tallest Countries North to South | 0 | - | 4.83 | 120,157 |
| Widest Countries East to West | 0 | - | 4.92 | 129,226 |
| Countries with the Highest Average Elevation | 0 | - | 4.98 | 71,342 |
| Largest Countries by Area or Population | 0 | - | 5.00 | 185,742 |
| Countries with the Most Area in the Southern Hemisphere | 0 | - | 4.99 | 97,947 |
| Most Populous Countries as a Percent of Their Continent | 0 | - | 4.97 | 94,011 |
| Largest Countries as a Percent of Continent | 0 | - | 4.97 | 148,047 |
| Countries with the Most Desert | 0 | - | 4.93 | 127,422 |
| Countries by Contribution to UN Budget | 0 | - | 4.87 | 77,160 |
| Countries with Most Nobel Laureates per Capita | 0 | - | 4.84 | 34,691 |
| Countries with Double Letters | 0 | - | 4.97 | 94,623 |
| Countries that End in N | 0 | - | 4.95 | 168,753 |
| Countries with Five Letters | 0 | - | 4.96 | 273,761 |
| Countries with Six Letters | 0 | - | 4.94 | 211,900 |
| Countries with W | 0 | - | 4.97 | 159,181 |
| Countries with Z | 0 | - | 4.98 | 289,286 |
| Countries with Letters Missing | 0 | - | 4.96 | 185,381 |
| Countries That End in U | 0 | - | 4.95 | 120,214 |
| Top 20 Longest One-Word Country Names | 0 | - | 4.98 | 133,405 |
| Countries that End in O | 0 | - | 4.92 | 159,038 |
| Countries that End in R | 0 | - | 4.87 | 118,614 |
| Country Names Created by Only 4 Letters | 0 | - | 4.99 | 155,391 |
| Countries Ending in "IA" | 0 | - | 4.99 | 207,978 |
| Countries by First and Last Letter #1 | 0 | - | 4.97 | 169,887 |
| Countries by Last Two Letters | 0 | - | 4.85 | 134,916 |
| Countries by First and Last Letter #2 | 0 | - | 4.96 | 141,502 |
| Countries That End in Y | 0 | - | 4.90 | 185,523 |
| Countries Based on First Two Letters #1 | 0 | - | 4.99 | 196,976 |
| Countries with Cardinal Directions in Their Names | 0 | - | 4.92 | 152,198 |
| Countries that End in I | 0 | - | 4.94 | 134,734 |
| Countries Based on First Two Letters #2 | 0 | - | 4.99 | 182,808 |
| Countries by Initial Letter and Length #1 | 0 | - | 4.98 | 95,461 |
| Countries That End in NIA | 0 | - | 4.92 | 109,369 |
| Countries That End in BIA | 0 | - | 4.93 | 148,657 |
| Countries by Initial Letter and Continent #1 | 0 | - | 4.94 | 166,518 |
| Countries Whose Names Start with Saint | 0 | - | 4.87 | 118,870 |
| Countries That End in RIA | 0 | - | 4.93 | 126,400 |
| Most Common Words in Official Country Names | 0 | - | 4.86 | 110,446 |
| Divided Country Name Puzzle #1 | 0 | - | 4.99 | 226,252 |
| Divided Country Name Puzzle #2 | 0 | - | 4.99 | 132,974 |
| Divided Country Name Puzzle #3 | 0 | - | 4.92 | 125,297 |
| Groups of Countries that Start with the Same 3 Letters | 0 | - | 5.00 | 90,928 |
| Add A Letter - Make a Country | 0 | - | 4.82 | 74,208 |
| Countries With One Word and Three A's | 0 | - | 4.92 | 52,527 |
| Countries with a Unique Last Letter | 0 | - | 4.90 | 103,054 |
| Unique Starting Letter - Countries by Continent | 0 | - | 4.98 | 124,933 |
| Countries that are Free from U.S.A. | 0 | - | 4.89 | 49,091 |
| Countries with the Word "And" | 0 | - | 4.99 | 116,630 |
| Countries Containing Two or More Words | 0 | - | 4.96 | 53,326 |
| Countries that End in L | 0 | - | 4.94 | 156,379 |
| "Stan" Countries Quiz | 0 | - | 4.97 | 213,262 |
| Countries Ending with "An", but not "Stan" | 0 | - | 4.98 | 85,107 |
| City to Country Quiz #1 | 0 | - | 4.97 | 155,750 |
| City to Country Quiz #3 | 0 | - | 4.88 | 118,608 |
| 45 European Countries, 45 Cities | 0 | - | 4.95 | 78,675 |
| Five Biggest Countries by Continent | 0 | - | 4.99 | 248,446 |
| Five Poorest Countries by Continent | 0 | - | 4.93 | 199,899 |
| Five Least Populated Countries by Continent | 0 | - | 4.96 | 142,431 |
| Five Smallest Countries by Continent | 0 | - | 4.98 | 162,892 |
| First Five Countries Alphabetically by Continent | 0 | - | 4.94 | 224,347 |
| Last Five Countries Alphabetically by Continent | 0 | - | 4.98 | 152,099 |
| Five Northernmost Capital Cities by Continent | 0 | - | 4.89 | 70,892 |
| Top 15 Countries that Produce the Most Tea | 0 | - | 4.81 | 108,315 |
| Top 10 Countries in Nuclear Power Production | 0 | - | 4.95 | 86,544 |
| 10 Northernmost Countries That Start with S | 0 | - | 4.94 | 62,556 |
| Countries by Borders in 90 Seconds | 0 | - | 4.99 | 3,816,236 |
| One Border Countries | 0 | - | 4.98 | 466,804 |
| Countries by First Two Letters in 90 Seconds | 0 | - | 4.98 | 5,607,309 |
| Random Countries Hidden in the World Map | 0 | - | 4.82 | 112,438 |
| Five Most Densely Populated Countries by Continent | 0 | - | 4.95 | 86,360 |
| Five Most Populated Countries by Continent | 0 | - | 4.99 | 267,053 |
| Most Populous Countries with Exceptions | 0 | - | 4.98 | 121,437 |
| Top 10 Most Densely-Populated Countries in Europe | 0 | - | 4.98 | 112,137 |
| Five Least Densely Populated Countries by Continent | 0 | - | 4.92 | 93,179 |
| Countries by Population Range - Tile Select | 0 | - | 4.87 | 58,723 |
