| "Land" Countries | 0 | - | 4.98 | 335,030 |
| Countries with Double Letters | 0 | - | 4.96 | 94,437 |
| Countries that End in N | 0 | - | 4.95 | 168,323 |
| Countries with Five Letters | 0 | - | 4.96 | 269,120 |
| Countries with Six Letters | 0 | - | 4.93 | 211,624 |
| Countries with W | 0 | - | 4.97 | 159,053 |
| Countries with Z | 0 | - | 4.98 | 289,119 |
| Countries with Letters Missing | 0 | - | 4.97 | 185,258 |
| Countries That End in U | 0 | - | 4.95 | 120,114 |
| Top 20 Longest One-Word Country Names | 0 | - | 4.98 | 133,312 |
| Countries that End in O | 0 | - | 4.92 | 158,983 |
| Countries that End in R | 0 | - | 4.87 | 118,578 |
| Country Names Created by Only 4 Letters | 0 | - | 4.99 | 155,367 |
| Countries Ending in "IA" | 0 | - | 4.99 | 207,900 |
| Countries by First and Last Letter #1 | 0 | - | 4.97 | 169,841 |
| Countries by Last Two Letters | 0 | - | 4.85 | 134,889 |
| Countries by First and Last Letter #2 | 0 | - | 4.96 | 141,470 |
| Countries That End in Y | 0 | - | 4.90 | 185,493 |
| Countries Based on First Two Letters #1 | 0 | - | 4.99 | 196,946 |
| Countries with Cardinal Directions in Their Names | 0 | - | 4.92 | 152,175 |
| Countries that End in I | 0 | - | 4.94 | 134,717 |
| Countries Based on First Two Letters #2 | 0 | - | 4.99 | 182,775 |
| Countries by Initial Letter and Length #1 | 0 | - | 4.98 | 95,449 |
| Countries That End in NIA | 0 | - | 4.92 | 109,342 |
| Countries That End in BIA | 0 | - | 4.93 | 148,637 |
| Countries by Initial Letter and Continent #1 | 0 | - | 4.94 | 166,494 |
| Countries Whose Names Start with Saint | 0 | - | 4.87 | 118,834 |
| Countries That End in RIA | 0 | - | 4.93 | 126,389 |
| Most Common Words in Official Country Names | 0 | - | 4.86 | 110,409 |
| Divided Country Name Puzzle #1 | 0 | - | 4.99 | 226,211 |
| Divided Country Name Puzzle #2 | 0 | - | 4.99 | 132,943 |
| Divided Country Name Puzzle #3 | 0 | - | 4.92 | 125,275 |
| Groups of Countries that Start with the Same 3 Letters | 0 | - | 5.00 | 90,889 |
| Add A Letter - Make a Country | 0 | - | 4.82 | 74,189 |
| Countries With One Word and Three A's | 0 | - | 4.92 | 52,502 |
| Countries with a Unique Last Letter | 0 | - | 4.90 | 103,026 |
| Unique Starting Letter - Countries by Continent | 0 | - | 4.98 | 124,906 |
| Countries that are Free from U.S.A. | 0 | - | 4.89 | 49,071 |
| Countries with the Word "And" | 0 | - | 4.99 | 116,595 |
| Countries Containing Two or More Words | 0 | - | 4.96 | 53,300 |
| Countries that End in L | 0 | - | 4.94 | 156,352 |
| "Stan" Countries Quiz | 0 | - | 4.97 | 213,175 |
| Countries Ending with "An", but not "Stan" | 0 | - | 4.98 | 85,094 |
| Landlocked Countries | 0 | - | 4.99 | 417,164 |
| Countries of the World Quiz | 0 | - | 5.00 | 47,203,430 |
| Countries with Four Letters | 0 | - | 4.99 | 420,650 |
| Sahara Desert Countries | 0 | - | 4.98 | 162,178 |
| Himalayan Countries | 0 | - | 4.95 | 136,734 |
| Andean Countries | 0 | - | 4.95 | 83,587 |
| Countries with the Youngest Median Age | 0 | - | 4.97 | 62,848 |
| Countries in the Southern Hemisphere | 0 | - | 4.99 | 124,137 |
| Coffee Producing Countries | 0 | - | 4.83 | 66,504 |
| Countries with Shrinking Populations | 0 | - | 4.94 | 65,109 |
| Danube Countries | 0 | - | 4.97 | 71,478 |
| Countries With an "Ish" Demonym | 0 | - | 4.97 | 116,291 |
| Countries With an "Ese" Demonym | 0 | - | 4.97 | 85,890 |
| Countries with the Worst Passports | 0 | - | 4.94 | 83,278 |
| Countries with the Most Immigrants | 0 | - | 4.90 | 148,268 |
| European Landlocked Countries | 0 | - | 4.99 | 146,181 |
| Partially Recognized Countries | 0 | - | 4.98 | 105,853 |
| Countries with the Most Species | 0 | - | 4.99 | 102,313 |
| Countries 197 to 205 | 0 | - | 4.89 | 69,987 |
| Tropic of Cancer Countries | 0 | - | 4.97 | 53,352 |
| Tropic of Capricorn Countries | 0 | - | 4.96 | 47,533 |
| Countries that Use the Peso | 0 | - | 4.88 | 59,201 |
| Countries with the Largest Exclusive Economic Zone | 0 | - | 4.90 | 72,846 |
| Countries with a AAA Credit Rating | 0 | - | 4.85 | 57,224 |
| Countries in the Alps | 0 | - | 4.86 | 117,410 |
| Top Five Importing Partners by Country | 0 | - | 4.97 | 94,954 |
| Countries, Capitals, Currencies and Official Languages | 0 | - | 5.00 | 106,021 |
| Biggest Import Partners By Country | 0 | - | 4.99 | 78,294 |
| Southernmost Countries by Continent | 0 | - | 4.98 | 95,794 |
| Northernmost Countries by Continent | 0 | - | 4.98 | 115,891 |
| Countries by Population Growth, 1970–Present | 0 | - | 4.91 | 95,313 |
| Five Biggest Countries by Latitude | 0 | - | 4.97 | 100,057 |
| Five Biggest Countries by Longitude | 0 | - | 4.91 | 53,030 |
| Largest Country by Body of Water | 0 | - | 4.96 | 57,852 |
| Countries with the Most Container Port Traffic | 0 | - | 4.92 | 62,389 |
| Bridge and Tunnel Borders | 0 | - | 4.96 | 53,389 |
| Countries with the Longest Road Networks Quiz | 0 | - | 4.90 | 41,229 |
| Countries that Touch the Prime Meridian or Equator | 0 | - | 4.88 | 103,779 |
| Arctic Ocean Countries | 0 | - | 4.95 | 79,039 |
| Countries with the Most Grassland | 0 | - | 4.93 | 77,048 |
| All Countries by Area : Four at a Time | 0 | - | 5.00 | 117,823 |
| Countries with the Most Climate Zones | 0 | - | 4.96 | 67,931 |
| Countries that Host the Most Refugees | 0 | - | 4.95 | 59,459 |
| Countries of the World by Similar Area in 90 Seconds | 0 | - | 4.95 | 45,294 |
| All Countries of the World by Area with Hints | 0 | - | 4.97 | 241,295 |
| World Countries - Blind Typing | 0 | - | 5.00 | 106,723 |
| Countries in Their Own Alphabet | 0 | - | 4.95 | 47,867 |
| Largest Countries By Category | 0 | - | 4.97 | 157,347 |
| Countries by Countries | 0 | - | 4.96 | 62,652 |
| Country Flags with the Most White | 0 | - | 4.87 | 137,941 |
| Countries With the Northernmost Southernmost Point | 0 | - | 4.96 | 62,100 |
| Countries with the Southernmost Northernmost Point | 0 | - | 4.87 | 47,415 |
| Six Degrees of Separation - Countries #1 | 0 | - | 4.96 | 98,446 |
| Country Flags With Only Two Colors | 0 | - | 4.92 | 88,137 |
| Countries of Europe Quiz | 0 | - | 5.00 | 3,744,465 |
| Bordering Countries Beginning With the Same Letter | 0 | - | 4.99 | 139,327 |
| Can You Name These 50 Random Countries? | 0 | - | 4.98 | 215,293 |
| Top 50 Countries by Population - In Order | 0 | - | 4.98 | 327,425 |
| Spanish-Speaking Countries | 0 | - | 4.95 | 374,047 |
| Countries with the Most Tourists Quiz | 0 | - | 4.92 | 404,147 |
| Island Countries | 0 | - | 4.99 | 709,046 |
| Biggest Countries by Area | 0 | - | 4.99 | 1,043,965 |
| Northernmost Countries | 0 | - | 4.99 | 359,655 |
| Countries of South America | 0 | - | 5.00 | 920,403 |
| Countries of Oceania | 0 | - | 5.00 | 1,047,904 |
| Countries of Asia Quiz | 0 | - | 5.00 | 1,860,470 |
| Countries with J | 0 | - | 4.54 | 184,671 |
| Countries by Consonants | 0 | - | 4.42 | 78,433 |
| Countries of the World with an Empty Map | 0 | - | 5.00 | 3,371,752 |
| Countries More Populous Than Their Neighbors | 0 | - | 4.99 | 172,454 |
| Countries with Megacities | 0 | - | 4.99 | 249,355 |
| Countries With More than 50 Million People | 0 | - | 4.99 | 198,310 |
| Countries with the Most Population Growth by Decade | 0 | - | 4.98 | 112,648 |
| Countries With More than 200 Million People | 0 | - | 4.96 | 136,632 |
| Countries Less Populous Than Their Neighbors | 0 | - | 4.96 | 80,621 |
| Countries by Official Language | 0 | - | 4.95 | 194,198 |
| Countries with the Most Speakers of These Languages | 0 | - | 4.91 | 294,995 |
| Countries in their Native Language | 0 | - | 4.99 | 197,796 |
| Independence from Whom | 0 | - | 4.99 | 210,942 |
| Subdivisions by Country | 0 | - | 4.86 | 50,219 |
| Who Controlled These Colonies? | 0 | - | 4.88 | 131,432 |
| Megadiverse Countries | 0 | - | 4.96 | 134,591 |
| Countries With the Most English Speakers | 0 | - | 4.86 | 130,963 |
| Countries Producing the Most Sugarcane | 0 | - | 4.95 | 55,103 |
| Countries with Multiple Big Islands | 0 | - | 4.93 | 125,657 |
| Top 10 Wheat-Producing Countries | 0 | - | 4.89 | 74,960 |
| 15 Biggest Island Countries | 0 | - | 4.98 | 162,507 |
| Most Recently-Settled Countries | 0 | - | 4.94 | 62,264 |
| Countries of the World in 1938 Quiz | 0 | - | 4.95 | 93,683 |
| Countries Bigger Than Their Neighbors | 0 | - | 4.93 | 153,586 |
| Countries with Multiple Populous Islands | 0 | - | 4.89 | 95,399 |
| Countries in Relation to Cities #1 | 0 | - | 4.92 | 44,818 |
| Countries by Sports League Revenue | 0 | - | 4.94 | 76,438 |
| Landmarks of Countries #1 | 0 | - | 4.88 | 107,608 |
| Countries Furthest from the United States | 0 | - | 4.94 | 88,708 |
| Countries with the Highest HDI | 0 | - | 4.95 | 136,675 |
| Straight Shot to the Arctic Circle | 0 | - | 4.88 | 74,886 |
| Most Dispersed Island Nations | 0 | - | 4.97 | 71,245 |
| Countries of the World in Alphabetical Order | 0 | - | 5.00 | 109,718 |
| World Map Quiz | 0 | - | 4.81 | 64,200 |
| Recognized, Non-Recognized Countries, and Territories of the World | 0 | - | 5.00 | 154,663 |
| Smallest Countries with at Least One Border | 0 | - | 4.87 | 106,757 |
| Countries by Founding Story | 0 | - | 4.95 | 76,926 |
| Countries by Road Signs | 0 | - | 4.98 | 53,474 |
| Southernmost Countries of the World | 0 | - | 4.99 | 227,151 |
| Countries by Inland Surface Water | 0 | - | 4.94 | 104,728 |
| Top 20 Motor Vehicle Producing Countries | 0 | - | 4.91 | 122,458 |
| Countries With the Most Languages | 0 | - | 4.90 | 200,839 |
| Countries with the Highest Population Under Age 15 | 0 | - | 4.95 | 110,331 |
| Countries with the Highest Population 65 and Older | 0 | - | 4.90 | 93,511 |
| Countries with the Most Prisoners | 0 | - | 4.94 | 98,676 |
| Countries with the Most Domestic Camels | 0 | - | 4.94 | 61,172 |
| Tallest Countries North to South | 0 | - | 4.83 | 119,969 |
| Widest Countries East to West | 0 | - | 4.92 | 129,207 |
| Countries with the Highest Average Elevation | 0 | - | 4.98 | 71,339 |
| Largest Countries by Area or Population | 0 | - | 5.00 | 185,718 |
| Countries with the Most Area in the Southern Hemisphere | 0 | - | 4.99 | 97,944 |
| Most Populous Countries as a Percent of Their Continent | 0 | - | 4.97 | 93,988 |
| Largest Countries as a Percent of Continent | 0 | - | 4.97 | 148,034 |
| Countries with the Most Desert | 0 | - | 4.93 | 127,404 |
| Countries by Contribution to UN Budget | 0 | - | 4.87 | 77,144 |
| Countries with Most Nobel Laureates per Capita | 0 | - | 4.84 | 34,687 |
| City to Country Quiz #1 | 0 | - | 4.97 | 155,740 |
| City to Country Quiz #3 | 0 | - | 4.88 | 118,601 |
| 45 European Countries, 45 Cities | 0 | - | 4.95 | 78,657 |
| Five Biggest Countries by Continent | 0 | - | 4.99 | 248,420 |
| Five Poorest Countries by Continent | 0 | - | 4.93 | 199,882 |
| Five Least Populated Countries by Continent | 0 | - | 4.96 | 142,417 |
| Five Smallest Countries by Continent | 0 | - | 4.98 | 162,885 |
| First Five Countries Alphabetically by Continent | 0 | - | 4.94 | 224,334 |
| Last Five Countries Alphabetically by Continent | 0 | - | 4.98 | 152,091 |
| Five Northernmost Capital Cities by Continent | 0 | - | 4.89 | 70,886 |
| Top 15 Countries that Produce the Most Tea | 0 | - | 4.81 | 108,314 |
| Top 10 Countries in Nuclear Power Production | 0 | - | 4.95 | 86,539 |
| 10 Northernmost Countries That Start with S | 0 | - | 4.94 | 62,543 |
| Biggest Countries by Population | 0 | - | 5.00 | 1,440,733 |
| Smallest Countries by Population and Area | 0 | - | 4.99 | 379,051 |
| One Border Countries | 0 | - | 4.98 | 466,723 |
| Top 15 Most Populous Countries Ending in "IA" | 0 | - | 4.77 | 115,334 |
| Every Country in its Official/Native Language | 0 | - | 4.98 | 25,148 |
| Most Similar Country Names | 0 | - | 4.16 | 46,411 |
| Longest Country Name A-Z | 0 | - | 4.33 | 41,952 |
| Countries by Borders in 90 Seconds | 0 | - | 4.99 | 3,815,724 |
| Countries by First Two Letters in 90 Seconds | 0 | - | 4.98 | 5,606,612 |
| Five Most Densely Populated Countries by Continent | 0 | - | 4.95 | 86,342 |
| Five Most Populated Countries by Continent | 0 | - | 4.99 | 267,024 |
| Most Populous Countries with Exceptions | 0 | - | 4.98 | 121,422 |
| Top 10 Most Densely-Populated Countries in Europe | 0 | - | 4.98 | 112,128 |
| Five Least Densely Populated Countries by Continent | 0 | - | 4.92 | 93,157 |
| Countries by Population Range - Tile Select | 0 | - | 4.87 | 58,702 |
| Countries by National Anthem | 0 | - | 4.92 | 71,139 |
| NATO Countries | 0 | - | 4.98 | 278,405 |
| EU Countries Quiz | 0 | - | 4.99 | 271,980 |
| Recently Independent Countries | 0 | - | 4.98 | 158,446 |
| French-Speaking Countries | 0 | - | 4.85 | 269,889 |
| Natural Features of Countries #1 | 0 | - | 4.86 | 83,603 |
| Countries That Use the Euro | 0 | - | 4.95 | 104,094 |
