| "Land" Countries | 0 | - | 4.98 | 337,265 |
| Countries with Double Letters | 0 | - | 4.96 | 96,173 |
| Countries that End in N | 0 | - | 4.95 | 171,054 |
| Countries with Five Letters | 0 | - | 4.96 | 282,315 |
| Countries with Six Letters | 0 | - | 4.94 | 213,482 |
| Countries with W | 0 | - | 4.97 | 160,281 |
| Countries with Z | 0 | - | 4.98 | 291,375 |
| Countries with Letters Missing | 0 | - | 4.96 | 186,642 |
| Countries That End in U | 0 | - | 4.95 | 120,820 |
| Top 20 Longest One-Word Country Names | 0 | - | 4.98 | 134,405 |
| Countries that End in O | 0 | - | 4.92 | 159,490 |
| Countries that End in R | 0 | - | 4.87 | 118,949 |
| Country Names Created by Only 4 Letters | 0 | - | 4.99 | 155,706 |
| Countries Ending in "IA" | 0 | - | 4.99 | 209,020 |
| Countries by First and Last Letter #1 | 0 | - | 4.97 | 170,650 |
| Countries by Last Two Letters | 0 | - | 4.85 | 135,448 |
| Countries by First and Last Letter #2 | 0 | - | 4.96 | 142,360 |
| Countries That End in Y | 0 | - | 4.91 | 185,857 |
| Countries Based on First Two Letters #1 | 0 | - | 4.99 | 197,865 |
| Countries with Cardinal Directions in Their Names | 0 | - | 4.92 | 152,820 |
| Countries that End in I | 0 | - | 4.94 | 135,070 |
| Countries Based on First Two Letters #2 | 0 | - | 4.99 | 184,038 |
| Countries by Initial Letter and Length #1 | 0 | - | 4.98 | 95,806 |
| Countries That End in NIA | 0 | - | 4.92 | 109,760 |
| Countries That End in BIA | 0 | - | 4.93 | 149,164 |
| Countries by Initial Letter and Continent #1 | 0 | - | 4.94 | 167,073 |
| Countries Whose Names Start with Saint | 0 | - | 4.87 | 119,396 |
| Countries That End in RIA | 0 | - | 4.93 | 126,785 |
| Most Common Words in Official Country Names | 0 | - | 4.86 | 110,991 |
| Divided Country Name Puzzle #1 | 0 | - | 4.99 | 227,522 |
| Divided Country Name Puzzle #2 | 0 | - | 4.99 | 133,662 |
| Divided Country Name Puzzle #3 | 0 | - | 4.92 | 126,062 |
| Groups of Countries that Start with the Same 3 Letters | 0 | - | 5.00 | 91,618 |
| Add A Letter - Make a Country | 0 | - | 4.82 | 74,558 |
| Countries With One Word and Three A's | 0 | - | 4.92 | 52,992 |
| Countries with a Unique Last Letter | 0 | - | 4.90 | 103,433 |
| Unique Starting Letter - Countries by Continent | 0 | - | 4.98 | 125,494 |
| Countries that are Free from U.S.A. | 0 | - | 4.89 | 49,401 |
| Countries with the Word "And" | 0 | - | 4.99 | 117,249 |
| Countries Containing Two or More Words | 0 | - | 4.97 | 53,948 |
| Countries that End in L | 0 | - | 4.94 | 156,807 |
| "Stan" Countries Quiz | 0 | - | 4.97 | 215,596 |
| Countries Ending with "An", but not "Stan" | 0 | - | 4.98 | 85,256 |
| Landlocked Countries | 0 | - | 4.99 | 421,720 |
| Countries of the World Quiz | 0 | - | 5.00 | 47,563,512 |
| Countries with Four Letters | 0 | - | 4.99 | 423,183 |
| Sahara Desert Countries | 0 | - | 4.98 | 164,323 |
| Himalayan Countries | 0 | - | 4.95 | 138,609 |
| Andean Countries | 0 | - | 4.93 | 84,546 |
| Countries with the Youngest Median Age | 0 | - | 4.97 | 63,732 |
| Countries in the Southern Hemisphere | 0 | - | 4.99 | 125,732 |
| Coffee Producing Countries | 0 | - | 4.83 | 67,367 |
| Countries with Shrinking Populations | 0 | - | 4.94 | 65,756 |
| Danube Countries | 0 | - | 4.97 | 71,975 |
| Countries With an "Ish" Demonym | 0 | - | 4.98 | 116,979 |
| Countries With an "Ese" Demonym | 0 | - | 4.97 | 86,392 |
| Countries with the Worst Passports | 0 | - | 4.93 | 84,251 |
| Countries with the Most Immigrants | 0 | - | 4.90 | 149,726 |
| European Landlocked Countries | 0 | - | 4.99 | 147,114 |
| Partially Recognized Countries | 0 | - | 4.98 | 106,587 |
| Countries with the Most Species | 0 | - | 4.99 | 103,212 |
| Countries 197 to 205 | 0 | - | 4.89 | 70,717 |
| Tropic of Cancer Countries | 0 | - | 4.97 | 53,574 |
| Tropic of Capricorn Countries | 0 | - | 4.96 | 47,708 |
| Countries that Use the Peso | 0 | - | 4.89 | 59,522 |
| Countries with the Largest Exclusive Economic Zone | 0 | - | 4.90 | 73,207 |
| Countries with a AAA Credit Rating | 0 | - | 4.86 | 57,632 |
| Countries in the Alps | 0 | - | 4.87 | 118,168 |
| Top Five Importing Partners by Country | 0 | - | 4.97 | 100,948 |
| Countries, Capitals, Currencies and Official Languages | 0 | - | 5.00 | 106,995 |
| Biggest Import Partners By Country | 0 | - | 4.99 | 78,628 |
| Southernmost Countries by Continent | 0 | - | 4.98 | 96,575 |
| Northernmost Countries by Continent | 0 | - | 4.98 | 116,473 |
| Countries by Population Growth, 1970–Present | 0 | - | 4.92 | 95,928 |
| Five Biggest Countries by Latitude | 0 | - | 4.97 | 100,647 |
| Five Biggest Countries by Longitude | 0 | - | 4.91 | 53,468 |
| Largest Country by Body of Water | 0 | - | 4.96 | 58,168 |
| Countries with the Most Container Port Traffic | 0 | - | 4.92 | 62,820 |
| Bridge and Tunnel Borders | 0 | - | 4.96 | 53,640 |
| Countries with the Longest Road Networks Quiz | 0 | - | 4.90 | 41,505 |
| Countries that Touch the Prime Meridian or Equator | 0 | - | 4.88 | 104,198 |
| Arctic Ocean Countries | 0 | - | 4.95 | 79,446 |
| Countries with the Most Grassland | 0 | - | 4.94 | 77,496 |
| All Countries by Area : Four at a Time | 0 | - | 5.00 | 118,840 |
| Countries with the Most Climate Zones | 0 | - | 4.96 | 68,290 |
| Countries that Host the Most Refugees | 0 | - | 4.95 | 63,407 |
| Countries of the World by Similar Area in 90 Seconds | 0 | - | 4.95 | 46,033 |
| All Countries of the World by Area with Hints | 0 | - | 4.97 | 243,799 |
| World Countries - Blind Typing | 0 | - | 5.00 | 108,032 |
| Countries in Their Own Alphabet | 0 | - | 4.95 | 48,204 |
| Largest Countries By Category | 0 | - | 4.97 | 158,173 |
| Countries by Countries | 0 | - | 4.96 | 63,184 |
| Country Flags with the Most White | 0 | - | 4.85 | 138,654 |
| Countries With the Northernmost Southernmost Point | 0 | - | 4.96 | 62,271 |
| Countries with the Southernmost Northernmost Point | 0 | - | 4.87 | 47,556 |
| All Countries by Population With a Map | 0 | - | 4.98 | 109,500 |
| Six Degrees of Separation - Countries #1 | 0 | - | 4.96 | 98,982 |
| Country Flags With Only Two Colors | 0 | - | 4.91 | 88,654 |
| Countries of Europe Quiz | 0 | - | 5.00 | 3,777,027 |
| Bordering Countries Beginning With the Same Letter | 0 | - | 4.99 | 139,748 |
| Can You Name These 50 Random Countries? | 0 | - | 4.99 | 217,281 |
| Top 50 Countries by Population - In Order | 0 | - | 4.98 | 331,370 |
| Spanish-Speaking Countries | 0 | - | 4.95 | 375,439 |
| Countries with the Most Tourists Quiz | 0 | - | 4.92 | 407,037 |
| Island Countries | 0 | - | 4.99 | 710,957 |
| Biggest Countries by Area | 0 | - | 5.00 | 1,049,540 |
| Northernmost Countries | 0 | - | 4.99 | 361,840 |
| Countries of South America | 0 | - | 5.00 | 927,082 |
| Countries of Oceania | 0 | - | 5.00 | 1,056,466 |
| Countries of Asia Quiz | 0 | - | 5.00 | 1,876,525 |
| Countries with J | 0 | - | 4.55 | 185,293 |
| Countries by Consonants | 0 | - | 4.42 | 78,715 |
| Countries of the World with an Empty Map | 0 | - | 5.00 | 3,383,029 |
| Countries More Populous Than Their Neighbors | 0 | - | 4.99 | 173,815 |
| Countries with Megacities | 0 | - | 4.99 | 264,406 |
| Countries With More than 50 Million People | 0 | - | 4.99 | 199,681 |
| Countries with the Most Population Growth by Decade | 0 | - | 4.98 | 113,441 |
| Countries With More than 200 Million People | 0 | - | 4.95 | 137,942 |
| Countries Less Populous Than Their Neighbors | 0 | - | 4.96 | 81,505 |
| Countries by Official Language | 0 | - | 4.95 | 195,206 |
| Countries with the Most Speakers of These Languages | 0 | - | 4.91 | 296,295 |
| Countries in their Native Language | 0 | - | 4.99 | 198,995 |
| Independence from Whom | 0 | - | 4.99 | 212,034 |
| Subdivisions by Country | 0 | - | 4.86 | 50,422 |
| Who Controlled These Colonies? | 0 | - | 4.88 | 132,684 |
| Megadiverse Countries | 0 | - | 4.96 | 134,989 |
| Countries With the Most English Speakers | 0 | - | 4.86 | 132,038 |
| Countries Producing the Most Sugarcane | 0 | - | 4.95 | 55,334 |
| Countries with Multiple Big Islands | 0 | - | 4.93 | 126,221 |
| Top 10 Wheat-Producing Countries | 0 | - | 4.89 | 75,094 |
| 15 Biggest Island Countries | 0 | - | 4.98 | 163,092 |
| Most Recently-Settled Countries | 0 | - | 4.94 | 62,579 |
| Countries of the World in 1938 Quiz | 0 | - | 4.95 | 94,428 |
| Countries Bigger Than Their Neighbors | 0 | - | 4.93 | 154,016 |
| Countries with Multiple Populous Islands | 0 | - | 4.89 | 95,634 |
| Countries in Relation to Cities #1 | 0 | - | 4.92 | 45,134 |
| Countries by Sports League Revenue | 0 | - | 4.94 | 77,636 |
| Landmarks of Countries #1 | 0 | - | 4.88 | 107,862 |
| Countries Furthest from the United States | 0 | - | 4.94 | 89,190 |
| Countries with the Highest HDI | 0 | - | 4.95 | 136,949 |
| Straight Shot to the Arctic Circle | 0 | - | 4.88 | 75,340 |
| Most Dispersed Island Nations | 0 | - | 4.97 | 71,477 |
| Countries of the World in Alphabetical Order | 0 | - | 5.00 | 111,119 |
| World Map Quiz | 0 | - | 4.81 | 65,047 |
| Recognized, Non-Recognized Countries, and Territories of the World | 0 | - | 5.00 | 157,156 |
| Smallest Countries with at Least One Border | 0 | - | 4.87 | 107,331 |
| Countries by Founding Story | 0 | - | 4.95 | 77,346 |
| Countries by Road Signs | 0 | - | 4.98 | 53,991 |
| Southernmost Countries of the World | 0 | - | 4.99 | 228,037 |
| Countries by Inland Surface Water | 0 | - | 4.93 | 105,249 |
| Top 20 Motor Vehicle Producing Countries | 0 | - | 4.91 | 122,969 |
| Countries With the Most Languages | 0 | - | 4.90 | 202,129 |
| Countries with the Highest Population Under Age 15 | 0 | - | 4.95 | 110,862 |
| Countries with the Highest Population 65 and Older | 0 | - | 4.90 | 93,983 |
| Countries with the Most Prisoners | 0 | - | 4.94 | 99,272 |
| Countries with the Most Domestic Camels | 0 | - | 4.94 | 61,428 |
| Tallest Countries North to South | 0 | - | 4.83 | 120,553 |
| Widest Countries East to West | 0 | - | 4.92 | 129,621 |
| Countries with the Highest Average Elevation | 0 | - | 4.98 | 71,443 |
| Largest Countries by Area or Population | 0 | - | 5.00 | 186,349 |
| Countries with the Most Area in the Southern Hemisphere | 0 | - | 4.99 | 98,111 |
| Most Populous Countries as a Percent of Their Continent | 0 | - | 4.97 | 94,750 |
| Largest Countries as a Percent of Continent | 0 | - | 4.97 | 148,568 |
| Countries with the Most Desert | 0 | - | 4.93 | 127,843 |
| Countries by Contribution to UN Budget | 0 | - | 4.87 | 77,365 |
| Countries with Most Nobel Laureates per Capita | 0 | - | 4.83 | 34,795 |
| City to Country Quiz #1 | 0 | - | 4.97 | 156,001 |
| City to Country Quiz #3 | 0 | - | 4.88 | 118,931 |
| 45 European Countries, 45 Cities | 0 | - | 4.95 | 78,974 |
| Five Biggest Countries by Continent | 0 | - | 4.99 | 249,690 |
| Five Poorest Countries by Continent | 0 | - | 4.93 | 200,613 |
| Five Least Populated Countries by Continent | 0 | - | 4.95 | 142,956 |
| Five Smallest Countries by Continent | 0 | - | 4.98 | 163,501 |
| First Five Countries Alphabetically by Continent | 0 | - | 4.94 | 225,391 |
| Last Five Countries Alphabetically by Continent | 0 | - | 4.98 | 152,840 |
| Five Northernmost Capital Cities by Continent | 0 | - | 4.89 | 71,083 |
| Top 10 Countries in Nuclear Power Production | 0 | - | 4.95 | 86,697 |
| 10 Northernmost Countries That Start with S | 0 | - | 4.94 | 62,854 |
| Biggest Countries by Population | 0 | - | 5.00 | 1,447,762 |
| Smallest Countries by Population and Area | 0 | - | 4.99 | 380,872 |
| One Border Countries | 0 | - | 4.98 | 469,738 |
| Top 15 Most Populous Countries Ending in "IA" | 0 | - | 4.77 | 115,818 |
| Every Country in its Official/Native Language | 0 | - | 4.98 | 25,449 |
| Most Similar Country Names | 0 | - | 4.16 | 46,545 |
| Longest Country Name A-Z | 0 | - | 4.32 | 42,192 |
| Countries by Borders in 90 Seconds | 0 | - | 4.99 | 3,833,871 |
| Countries by First Two Letters in 90 Seconds | 0 | - | 4.98 | 5,630,906 |
| Five Most Densely Populated Countries by Continent | 0 | - | 4.96 | 86,884 |
| Five Most Populated Countries by Continent | 0 | - | 4.99 | 268,127 |
| Most Populous Countries with Exceptions | 0 | - | 4.98 | 122,108 |
| Top 10 Most Densely-Populated Countries in Europe | 0 | - | 4.98 | 112,534 |
| Five Least Densely Populated Countries by Continent | 0 | - | 4.92 | 93,709 |
| Countries by Population Range - Tile Select | 0 | - | 4.87 | 59,197 |
| Countries by National Anthem | 0 | - | 4.93 | 71,283 |
| NATO Countries | 0 | - | 4.98 | 281,379 |
| EU Countries Quiz | 0 | - | 4.99 | 275,317 |
| Recently Independent Countries | 0 | - | 4.98 | 159,442 |
| French-Speaking Countries | 0 | - | 4.85 | 270,799 |
| Natural Features of Countries #1 | 0 | - | 4.87 | 83,887 |
| Countries That Use the Euro | 0 | - | 4.95 | 105,449 |
