| "Land" Countries | 0 | - | 4.98 | 334,259 |
| Countries with Double Letters | 0 | - | 4.96 | 93,807 |
| Countries that End in N | 0 | - | 4.94 | 157,238 |
| Countries with Five Letters Quiz | 0 | - | 4.96 | 259,195 |
| Countries with Six Letters | 0 | - | 4.93 | 210,832 |
| Countries with W | 0 | - | 4.97 | 158,494 |
| Countries with Z | 0 | - | 4.98 | 288,390 |
| Countries with Letters Missing | 0 | - | 4.97 | 184,849 |
| Countries That End in U | 0 | - | 4.95 | 119,660 |
| Top 20 Longest One-Word Country Names | 0 | - | 4.98 | 132,991 |
| Countries that End in O | 0 | - | 4.92 | 158,692 |
| Countries that End in R | 0 | - | 4.87 | 118,404 |
| Country Names Created by Only 4 Letters | 0 | - | 4.99 | 154,963 |
| Countries Ending in "IA" | 0 | - | 4.99 | 207,541 |
| Countries by First and Last Letter #1 | 0 | - | 4.97 | 169,623 |
| Countries by Last Two Letters | 0 | - | 4.85 | 134,709 |
| Countries by First and Last Letter #2 | 0 | - | 4.96 | 141,273 |
| Countries That End in Y | 0 | - | 4.90 | 185,316 |
| Countries Based on First Two Letters #1 | 0 | - | 4.99 | 196,721 |
| Countries with Cardinal Directions in Their Names | 0 | - | 4.92 | 151,992 |
| Countries that End in I | 0 | - | 4.94 | 134,588 |
| Countries Based on First Two Letters #2 | 0 | - | 4.99 | 182,579 |
| Countries by Initial Letter and Length #1 | 0 | - | 4.98 | 95,350 |
| Countries That End in NIA | 0 | - | 4.92 | 109,212 |
| Countries That End in BIA | 0 | - | 4.92 | 148,441 |
| Countries by Initial Letter and Continent #1 | 0 | - | 4.94 | 166,329 |
| Countries Whose Names Start with Saint | 0 | - | 4.87 | 118,700 |
| Countries That End in RIA | 0 | - | 4.93 | 126,252 |
| Most Common Words in Official Country Names | 0 | - | 4.86 | 110,237 |
| Divided Country Name Puzzle #1 | 0 | - | 4.99 | 225,904 |
| Divided Country Name Puzzle #2 | 0 | - | 4.99 | 132,758 |
| Divided Country Name Puzzle #3 | 0 | - | 4.92 | 125,121 |
| Groups of Countries that Start with the Same 3 Letters | 0 | - | 5.00 | 90,660 |
| Add A Letter - Make a Country | 0 | - | 4.82 | 74,068 |
| Countries With One Word and Three A's | 0 | - | 4.92 | 52,348 |
| Countries with a Unique Last Letter | 0 | - | 4.90 | 102,865 |
| Unique Starting Letter - Countries by Continent | 0 | - | 4.98 | 124,754 |
| Countries that are Free from U.S.A. | 0 | - | 4.89 | 48,938 |
| Countries with the Word "And" | 0 | - | 4.99 | 116,421 |
| Countries Containing Two or More Words | 0 | - | 4.96 | 53,087 |
| Countries that End in L | 0 | - | 4.94 | 156,206 |
| "Stan" Countries Quiz | 0 | - | 4.97 | 212,510 |
| Countries Ending with "An", but not "Stan" | 0 | - | 4.98 | 85,036 |
| Landlocked Countries | 0 | - | 4.99 | 415,900 |
| Countries of the World Quiz | 0 | - | 5.00 | 47,106,537 |
| Countries with Four Letters | 0 | - | 4.99 | 419,921 |
| Sahara Desert Countries | 0 | - | 4.98 | 161,543 |
| Himalayan Countries | 0 | - | 4.95 | 136,182 |
| Andean Countries | 0 | - | 4.95 | 83,284 |
| Countries with the Youngest Median Age | 0 | - | 4.97 | 62,580 |
| Countries in the Southern Hemisphere | 0 | - | 4.99 | 123,780 |
| Coffee Producing Countries | 0 | - | 4.83 | 66,280 |
| Countries with Shrinking Populations | 0 | - | 4.94 | 64,902 |
| Danube Countries | 0 | - | 4.97 | 71,320 |
| Countries With an "Ish" Demonym | 0 | - | 4.98 | 116,088 |
| Countries With an "Ese" Demonym | 0 | - | 4.97 | 85,776 |
| Countries with the Worst Passports | 0 | - | 4.94 | 82,992 |
| Countries with the Most Immigrants | 0 | - | 4.90 | 147,952 |
| European Landlocked Countries | 0 | - | 4.99 | 146,030 |
| Partially Recognized Countries | 0 | - | 4.98 | 105,642 |
| Countries with the Most Species | 0 | - | 4.99 | 95,385 |
| Countries 197 to 205 | 0 | - | 4.89 | 69,777 |
| Tropic of Cancer Countries | 0 | - | 4.97 | 53,292 |
| Tropic of Capricorn Countries | 0 | - | 4.96 | 47,465 |
| Countries that Use the Peso | 0 | - | 4.88 | 59,105 |
| Countries with the Largest Exclusive Economic Zone | 0 | - | 4.90 | 72,752 |
| Countries with a AAA Credit Rating | 0 | - | 4.85 | 57,126 |
| Countries in the Alps | 0 | - | 4.86 | 117,228 |
| Top Five Importing Partners by Country | 0 | - | 4.97 | 94,826 |
| Countries, Capitals, Currencies and Official Languages | 0 | - | 5.00 | 105,725 |
| Biggest Import Partners By Country | 0 | - | 4.99 | 78,201 |
| Southernmost Countries by Continent | 0 | - | 4.98 | 95,652 |
| Northernmost Countries by Continent | 0 | - | 4.98 | 115,456 |
| Countries by Population Growth, 1970–Present | 0 | - | 4.91 | 95,194 |
| Five Biggest Countries by Latitude | 0 | - | 4.97 | 99,888 |
| Five Biggest Countries by Longitude | 0 | - | 4.91 | 52,941 |
| Largest Country by Body of Water | 0 | - | 4.96 | 57,739 |
| Countries with the Most Container Port Traffic | 0 | - | 4.92 | 62,274 |
| Bridge and Tunnel Borders | 0 | - | 4.96 | 53,312 |
| Countries with the Longest Road Networks Quiz | 0 | - | 4.90 | 41,174 |
| Countries that Touch the Prime Meridian or Equator | 0 | - | 4.88 | 103,664 |
| Arctic Ocean Countries | 0 | - | 4.95 | 78,929 |
| Countries with the Most Grassland | 0 | - | 4.93 | 76,939 |
| All Countries by Area : Four at a Time | 0 | - | 5.00 | 117,586 |
| Countries with the Most Climate Zones | 0 | - | 4.96 | 67,839 |
| Countries that Host the Most Refugees | 0 | - | 4.95 | 59,378 |
| Countries of the World by Similar Area in 90 Seconds | 0 | - | 4.95 | 45,114 |
| All Countries of the World by Area with Hints | 0 | - | 4.97 | 240,601 |
| World Countries - Blind Typing | 0 | - | 5.00 | 106,395 |
| Countries in Their Own Alphabet | 0 | - | 4.95 | 47,775 |
| Largest Countries By Category | 0 | - | 4.97 | 157,149 |
| Countries by Countries | 0 | - | 4.96 | 62,513 |
| Country Flags with the Most White | 0 | - | 4.87 | 137,767 |
| Countries With the Northernmost Southernmost Point | 0 | - | 4.96 | 62,053 |
| Countries with the Southernmost Northernmost Point | 0 | - | 4.87 | 47,394 |
| Six Degrees of Separation - Countries #1 | 0 | - | 4.96 | 98,349 |
| Country Flags With Only Two Colors | 0 | - | 4.92 | 88,025 |
| Countries of Europe Quiz | 0 | - | 5.00 | 3,735,339 |
| Bordering Countries Beginning With the Same Letter | 0 | - | 4.99 | 139,231 |
| Can You Name These 50 Random Countries? | 0 | - | 4.98 | 214,693 |
| Top 50 Countries by Population - In Order | 0 | - | 4.98 | 326,309 |
| Spanish-Speaking Countries | 0 | - | 4.95 | 373,470 |
| Countries with the Most Tourists Quiz | 0 | - | 4.92 | 403,144 |
| Island Countries | 0 | - | 4.99 | 708,566 |
| Biggest Countries by Area | 0 | - | 4.99 | 1,042,496 |
| Northernmost Countries | 0 | - | 4.99 | 359,016 |
| Countries of South America | 0 | - | 5.00 | 918,683 |
| Countries of Oceania | 0 | - | 5.00 | 1,045,478 |
| Countries of Asia Quiz | 0 | - | 5.00 | 1,856,287 |
| Countries with J | 0 | - | 4.54 | 184,533 |
| Countries by Consonants | 0 | - | 4.42 | 78,349 |
| Countries of the World with an Empty Map | 0 | - | 5.00 | 3,368,652 |
| Countries More Populous Than Their Neighbors | 0 | - | 4.99 | 172,083 |
| Countries with Megacities | 0 | - | 4.99 | 248,569 |
| Countries With More than 50 Million People | 0 | - | 4.99 | 197,963 |
| Countries with the Most Population Growth by Decade | 0 | - | 4.98 | 112,446 |
| Countries With More than 200 Million People | 0 | - | 4.96 | 136,340 |
| Countries Less Populous Than Their Neighbors | 0 | - | 4.96 | 80,395 |
| Countries by Official Language | 0 | - | 4.95 | 193,742 |
| Countries with the Most Speakers of These Languages | 0 | - | 4.91 | 294,234 |
| Countries in their Native Language | 0 | - | 4.99 | 197,406 |
| Independence from Whom | 0 | - | 4.99 | 210,374 |
| Subdivisions by Country | 0 | - | 4.86 | 50,167 |
| Who Controlled These Colonies? | 0 | - | 4.88 | 131,199 |
| Megadiverse Countries | 0 | - | 4.96 | 134,496 |
| Countries With the Most English Speakers | 0 | - | 4.86 | 130,614 |
| Countries Producing the Most Sugarcane | 0 | - | 4.95 | 55,051 |
| Countries with Multiple Big Islands | 0 | - | 4.93 | 125,582 |
| Top 10 Wheat-Producing Countries | 0 | - | 4.89 | 74,930 |
| 15 Biggest Island Countries | 0 | - | 4.98 | 161,955 |
| Most Recently-Settled Countries | 0 | - | 4.94 | 62,171 |
| Countries of the World in 1938 Quiz | 0 | - | 4.95 | 93,455 |
| Countries Bigger Than Their Neighbors | 0 | - | 4.93 | 153,500 |
| Countries with Multiple Populous Islands | 0 | - | 4.89 | 95,326 |
| Countries in Relation to Cities #1 | 0 | - | 4.92 | 44,795 |
| Countries by Sports League Revenue | 0 | - | 4.95 | 76,059 |
| Landmarks of Countries #1 | 0 | - | 4.88 | 107,548 |
| Countries Furthest from the United States | 0 | - | 4.94 | 88,649 |
| Countries with the Highest HDI | 0 | - | 4.95 | 136,618 |
| Straight Shot to the Arctic Circle | 0 | - | 4.88 | 74,823 |
| Most Dispersed Island Nations | 0 | - | 4.97 | 71,159 |
| Countries of the World in Alphabetical Order | 0 | - | 5.00 | 109,312 |
| World Map Quiz | 0 | - | 4.81 | 63,925 |
| Recognized, Non-Recognized Countries, and Territories of the World | 0 | - | 5.00 | 153,996 |
| Smallest Countries with at Least One Border | 0 | - | 4.87 | 106,644 |
| Countries by Founding Story | 0 | - | 4.95 | 76,799 |
| Countries by Road Signs | 0 | - | 4.98 | 53,335 |
| Southernmost Countries of the World | 0 | - | 4.99 | 226,919 |
| Countries by Inland Surface Water | 0 | - | 4.94 | 104,596 |
| Top 20 Motor Vehicle Producing Countries | 0 | - | 4.91 | 122,310 |
| Countries With the Most Languages | 0 | - | 4.89 | 200,511 |
| Countries with the Highest Population Under Age 15 | 0 | - | 4.95 | 110,183 |
| Countries with the Highest Population 65 and Older | 0 | - | 4.90 | 93,378 |
| Countries with the Most Prisoners | 0 | - | 4.94 | 98,565 |
| Countries with the Most Domestic Camels | 0 | - | 4.94 | 61,107 |
| Tallest Countries North to South | 0 | - | 4.83 | 119,584 |
| Widest Countries East to West | 0 | - | 4.92 | 129,086 |
| Countries with the Highest Average Elevation | 0 | - | 4.98 | 71,304 |
| Largest Countries by Area or Population | 0 | - | 5.00 | 185,565 |
| Countries with the Most Area in the Southern Hemisphere | 0 | - | 4.99 | 97,675 |
| Most Populous Countries as a Percent of Their Continent | 0 | - | 4.97 | 93,912 |
| Largest Countries as a Percent of Continent | 0 | - | 4.97 | 147,908 |
| Countries with the Most Desert | 0 | - | 4.93 | 127,293 |
| Countries by Contribution to UN Budget | 0 | - | 4.87 | 76,953 |
| Countries with Most Nobel Laureates per Capita | 0 | - | 4.84 | 34,655 |
| City to Country Quiz #1 | 0 | - | 4.96 | 155,671 |
| City to Country Quiz #3 | 0 | - | 4.88 | 118,503 |
| 45 European Countries, 45 Cities | 0 | - | 4.95 | 78,567 |
| Five Biggest Countries by Continent | 0 | - | 4.99 | 248,155 |
| Five Poorest Countries by Continent | 0 | - | 4.93 | 199,724 |
| Five Least Populated Countries by Continent | 0 | - | 4.96 | 142,098 |
| Five Smallest Countries by Continent | 0 | - | 4.98 | 162,743 |
| First Five Countries Alphabetically by Continent | 0 | - | 4.94 | 224,160 |
| Last Five Countries Alphabetically by Continent | 0 | - | 4.98 | 151,991 |
| Five Northernmost Capital Cities by Continent | 0 | - | 4.89 | 70,849 |
| Top 15 Countries that Produce the Most Tea | 0 | - | 4.81 | 108,268 |
| Top 10 Countries in Nuclear Power Production | 0 | - | 4.95 | 86,486 |
| 10 Northernmost Countries That Start with S | 0 | - | 4.94 | 62,469 |
| Biggest Countries by Population | 0 | - | 5.00 | 1,438,900 |
| Smallest Countries by Population and Area | 0 | - | 4.99 | 378,589 |
| One Border Countries | 0 | - | 4.98 | 466,066 |
| Top 15 Most Populous Countries Ending in "IA" | 0 | - | 4.77 | 115,114 |
| Every Country in its Official/Native Language | 0 | - | 4.98 | 24,969 |
| Most Similar Country Names | 0 | - | 4.16 | 46,362 |
| Longest Country Name A-Z | 0 | - | 4.33 | 41,894 |
| Countries by Borders in 90 Seconds | 0 | - | 4.99 | 3,810,711 |
| Countries by First Two Letters in 90 Seconds | 0 | - | 4.98 | 5,600,432 |
| Five Most Densely Populated Countries by Continent | 0 | - | 4.95 | 86,219 |
| Five Most Populated Countries by Continent | 0 | - | 4.99 | 266,742 |
| Most Populous Countries with Exceptions | 0 | - | 4.98 | 121,238 |
| Top 10 Most Densely-Populated Countries in Europe | 0 | - | 4.98 | 112,026 |
| Five Least Densely Populated Countries by Continent | 0 | - | 4.92 | 93,026 |
| Countries by Population Range - Tile Select | 0 | - | 4.87 | 58,576 |
| Countries by National Anthem | 0 | - | 4.93 | 71,095 |
| NATO Countries | 0 | - | 4.98 | 277,630 |
| EU Countries Quiz | 0 | - | 4.99 | 271,238 |
| Recently Independent Countries | 0 | - | 4.98 | 158,289 |
| French-Speaking Countries | 0 | - | 4.85 | 269,568 |
| Natural Features of Countries #1 | 0 | - | 4.86 | 83,469 |
| Countries That Use the Euro | 0 | - | 4.95 | 103,725 |
