| "Land" Countries | 0 | - | 4.98 | 338,389 |
| Countries with Double Letters | 0 | - | 4.96 | 97,077 |
| Countries that End in N | 0 | - | 4.95 | 171,940 |
| Countries with Five Letters | 0 | - | 4.96 | 283,773 |
| Countries with Six Letters | 0 | - | 4.94 | 214,474 |
| Countries with W | 0 | - | 4.96 | 160,946 |
| Countries with Z | 0 | - | 4.98 | 292,455 |
| Countries with Letters Missing | 0 | - | 4.96 | 187,288 |
| Countries That End in U | 0 | - | 4.95 | 121,192 |
| Top 20 Longest One-Word Country Names | 0 | - | 4.97 | 135,110 |
| Countries that End in O | 0 | - | 4.92 | 160,216 |
| Countries that End in R | 0 | - | 4.87 | 119,185 |
| Country Names Created by Only 4 Letters | 0 | - | 4.99 | 155,940 |
| Countries Ending in "IA" | 0 | - | 4.99 | 209,837 |
| Countries by First and Last Letter #1 | 0 | - | 4.97 | 171,152 |
| Countries by Last Two Letters | 0 | - | 4.85 | 135,831 |
| Countries by First and Last Letter #2 | 0 | - | 4.96 | 142,763 |
| Countries That End in Y | 0 | - | 4.91 | 186,090 |
| Countries Based on First Two Letters #1 | 0 | - | 4.99 | 198,459 |
| Countries with Cardinal Directions in Their Names | 0 | - | 4.92 | 153,277 |
| Countries that End in I | 0 | - | 4.94 | 135,317 |
| Countries Based on First Two Letters #2 | 0 | - | 4.99 | 184,626 |
| Countries by Initial Letter and Length #1 | 0 | - | 4.98 | 96,060 |
| Countries That End in NIA | 0 | - | 4.92 | 110,058 |
| Countries That End in BIA | 0 | - | 4.93 | 149,576 |
| Countries by Initial Letter and Continent #1 | 0 | - | 4.94 | 167,552 |
| Countries Whose Names Start with Saint | 0 | - | 4.87 | 119,775 |
| Countries That End in RIA | 0 | - | 4.93 | 127,058 |
| Most Common Words in Official Country Names | 0 | - | 4.86 | 111,393 |
| Divided Country Name Puzzle #1 | 0 | - | 4.99 | 228,596 |
| Divided Country Name Puzzle #2 | 0 | - | 4.99 | 134,187 |
| Divided Country Name Puzzle #3 | 0 | - | 4.92 | 126,629 |
| Groups of Countries that Start with the Same 3 Letters | 0 | - | 5.00 | 92,176 |
| Add A Letter - Make a Country | 0 | - | 4.81 | 74,809 |
| Countries With One Word and Three A's | 0 | - | 4.92 | 53,330 |
| Countries with a Unique Last Letter | 0 | - | 4.90 | 103,538 |
| Unique Starting Letter - Countries by Continent | 0 | - | 4.98 | 125,908 |
| Countries that are Free from U.S.A. | 0 | - | 4.89 | 49,654 |
| Countries with the Word "And" | 0 | - | 4.99 | 117,729 |
| Countries Containing Two or More Words | 0 | - | 4.97 | 54,422 |
| Countries that End in L | 0 | - | 4.94 | 157,132 |
| "Stan" Countries Quiz | 0 | - | 4.97 | 218,030 |
| Countries Ending with "An", but not "Stan" | 0 | - | 4.98 | 85,346 |
| Landlocked Countries | 0 | - | 4.99 | 425,855 |
| Countries of the World Quiz | 0 | - | 5.00 | 47,878,519 |
| Countries with Four Letters | 0 | - | 4.99 | 425,829 |
| Sahara Desert Countries | 0 | - | 4.98 | 166,258 |
| Himalayan Countries | 0 | - | 4.93 | 140,242 |
| Andean Countries | 0 | - | 4.94 | 85,457 |
| Countries with the Youngest Median Age | 0 | - | 4.97 | 64,608 |
| Countries in the Southern Hemisphere | 0 | - | 4.99 | 127,004 |
| Coffee Producing Countries | 0 | - | 4.83 | 68,165 |
| Countries with Shrinking Populations | 0 | - | 4.94 | 66,436 |
| Danube Countries | 0 | - | 4.97 | 72,392 |
| Countries With an "Ish" Demonym | 0 | - | 4.97 | 117,594 |
| Countries With an "Ese" Demonym | 0 | - | 4.97 | 86,842 |
| Countries with the Worst Passports | 0 | - | 4.93 | 85,121 |
| Countries with the Most Immigrants | 0 | - | 4.90 | 150,610 |
| European Landlocked Countries | 0 | - | 4.99 | 147,602 |
| Partially Recognized Countries | 0 | - | 4.98 | 107,297 |
| Countries with the Most Species | 0 | - | 4.99 | 103,563 |
| Countries 197 to 205 | 0 | - | 4.90 | 71,406 |
| Tropic of Cancer Countries | 0 | - | 4.97 | 53,775 |
| Tropic of Capricorn Countries | 0 | - | 4.96 | 47,886 |
| Countries that Use the Peso | 0 | - | 4.89 | 59,838 |
| Countries with the Largest Exclusive Economic Zone | 0 | - | 4.90 | 73,576 |
| Countries with a AAA Credit Rating | 0 | - | 4.86 | 58,015 |
| Countries in the Alps | 0 | - | 4.87 | 118,772 |
| Top Five Importing Partners by Country | 0 | - | 4.97 | 102,630 |
| Countries, Capitals, Currencies and Official Languages | 0 | - | 5.00 | 107,861 |
| Biggest Import Partners By Country | 0 | - | 4.99 | 78,963 |
| Southernmost Countries by Continent | 0 | - | 4.98 | 97,023 |
| Northernmost Countries by Continent | 0 | - | 4.98 | 116,957 |
| Countries by Population Growth, 1970–Present | 0 | - | 4.92 | 96,255 |
| Five Biggest Countries by Latitude | 0 | - | 4.97 | 101,402 |
| Five Biggest Countries by Longitude | 0 | - | 4.91 | 53,864 |
| Largest Country by Body of Water | 0 | - | 4.96 | 58,422 |
| Countries with the Most Container Port Traffic | 0 | - | 4.92 | 63,178 |
| Bridge and Tunnel Borders | 0 | - | 4.96 | 53,875 |
| Countries with the Longest Road Networks Quiz | 0 | - | 4.91 | 41,745 |
| Countries that Touch the Prime Meridian or Equator | 0 | - | 4.88 | 104,559 |
| Arctic Ocean Countries | 0 | - | 4.95 | 79,797 |
| Countries with the Most Grassland | 0 | - | 4.94 | 77,890 |
| All Countries by Area : Four at a Time | 0 | - | 5.00 | 119,837 |
| Countries with the Most Climate Zones | 0 | - | 4.96 | 68,613 |
| Countries that Host the Most Refugees | 0 | - | 4.96 | 71,022 |
| Countries of the World by Similar Area in 90 Seconds | 0 | - | 4.95 | 46,669 |
| All Countries of the World by Area with Hints | 0 | - | 4.97 | 245,711 |
| World Countries - Blind Typing | 0 | - | 5.00 | 109,145 |
| Countries in Their Own Alphabet | 0 | - | 4.95 | 48,505 |
| Largest Countries By Category | 0 | - | 4.97 | 158,866 |
| Countries by Countries | 0 | - | 4.96 | 63,643 |
| Country Flags with the Most White | 0 | - | 4.85 | 139,262 |
| Countries With the Northernmost Southernmost Point | 0 | - | 4.96 | 62,400 |
| Countries with the Southernmost Northernmost Point | 0 | - | 4.87 | 47,670 |
| All Countries by Population With a Map | 0 | - | 4.98 | 110,979 |
| Six Degrees of Separation - Countries #1 | 0 | - | 4.96 | 99,433 |
| Country Flags With Only Two Colors | 0 | - | 4.91 | 89,107 |
| Countries of Europe Quiz | 0 | - | 5.00 | 3,804,363 |
| Bordering Countries Beginning With the Same Letter | 0 | - | 4.99 | 140,292 |
| Can You Name These 50 Random Countries? | 0 | - | 4.98 | 218,934 |
| Top 50 Countries by Population - In Order | 0 | - | 4.98 | 335,400 |
| Spanish-Speaking Countries | 0 | - | 4.95 | 376,691 |
| Countries with the Most Tourists Quiz | 0 | - | 4.92 | 409,698 |
| Island Countries | 0 | - | 4.99 | 712,569 |
| Biggest Countries by Area | 0 | - | 5.00 | 1,054,722 |
| Northernmost Countries | 0 | - | 4.99 | 364,001 |
| Countries of South America | 0 | - | 5.00 | 932,668 |
| Countries of Oceania | 0 | - | 5.00 | 1,063,361 |
| Countries of Asia Quiz | 0 | - | 5.00 | 1,889,248 |
| Countries with J | 0 | - | 4.55 | 186,056 |
| Countries by Consonants | 0 | - | 4.42 | 78,933 |
| Countries of the World with an Empty Map | 0 | - | 5.00 | 3,393,669 |
| Countries More Populous Than Their Neighbors | 0 | - | 4.99 | 175,158 |
| Countries with Megacities | 0 | - | 4.99 | 267,112 |
| Countries With More than 50 Million People | 0 | - | 4.99 | 200,843 |
| Countries with the Most Population Growth by Decade | 0 | - | 4.98 | 114,130 |
| Countries With More than 200 Million People | 0 | - | 4.95 | 139,158 |
| Countries Less Populous Than Their Neighbors | 0 | - | 4.96 | 82,240 |
| Countries by Official Language | 0 | - | 4.95 | 195,995 |
| Countries with the Most Speakers of These Languages | 0 | - | 4.91 | 297,629 |
| Countries in their Native Language | 0 | - | 4.99 | 199,739 |
| Independence from Whom | 0 | - | 4.99 | 213,071 |
| Subdivisions by Country | 0 | - | 4.87 | 50,617 |
| Who Controlled These Colonies? | 0 | - | 4.88 | 133,445 |
| Megadiverse Countries | 0 | - | 4.96 | 135,282 |
| Countries With the Most English Speakers | 0 | - | 4.86 | 132,943 |
| Countries Producing the Most Sugarcane | 0 | - | 4.94 | 55,542 |
| Countries with Multiple Big Islands | 0 | - | 4.93 | 126,665 |
| Top 10 Wheat-Producing Countries | 0 | - | 4.89 | 75,229 |
| 15 Biggest Island Countries | 0 | - | 4.98 | 164,066 |
| Most Recently-Settled Countries | 0 | - | 4.94 | 62,854 |
| Countries of the World in 1938 Quiz | 0 | - | 4.95 | 95,115 |
| Countries Bigger Than Their Neighbors | 0 | - | 4.93 | 154,569 |
| Countries with Multiple Populous Islands | 0 | - | 4.89 | 96,048 |
| Countries in Relation to Cities #1 | 0 | - | 4.92 | 45,258 |
| Countries by Sports League Revenue | 0 | - | 4.94 | 78,533 |
| Landmarks of Countries #1 | 0 | - | 4.88 | 108,378 |
| Countries Furthest from the United States | 0 | - | 4.94 | 89,443 |
| Countries with the Highest HDI | 0 | - | 4.95 | 137,148 |
| Straight Shot to the Arctic Circle | 0 | - | 4.88 | 75,584 |
| Most Dispersed Island Nations | 0 | - | 4.97 | 71,852 |
| Countries of the World in Alphabetical Order | 0 | - | 5.00 | 112,360 |
| World Map Quiz | 0 | - | 4.81 | 65,733 |
| Recognized, Non-Recognized Countries, and Territories of the World | 0 | - | 5.00 | 159,260 |
| Smallest Countries with at Least One Border | 0 | - | 4.87 | 107,717 |
| Countries within the Arctic Circle - Map Quiz | 0 | - | 4.84 | 64,589 |
| Countries by Founding Story | 0 | - | 4.95 | 77,798 |
| Countries by Road Signs | 0 | - | 4.98 | 54,348 |
| Southernmost Countries of the World | 0 | - | 4.99 | 229,254 |
| Countries by Inland Surface Water | 0 | - | 4.93 | 106,084 |
| Top 20 Motor Vehicle Producing Countries | 0 | - | 4.91 | 123,564 |
| Countries With the Most Languages | 0 | - | 4.90 | 203,581 |
| Countries with the Highest Population Under Age 15 | 0 | - | 4.96 | 111,431 |
| Countries with the Highest Population 65 and Older | 0 | - | 4.90 | 94,535 |
| Countries with the Most Prisoners | 0 | - | 4.94 | 99,729 |
| Countries with the Most Domestic Camels | 0 | - | 4.94 | 61,690 |
| Tallest Countries North to South | 0 | - | 4.86 | 130,719 |
| Widest Countries East to West | 0 | - | 4.92 | 130,462 |
| Countries with the Highest Average Elevation | 0 | - | 4.98 | 71,598 |
| Largest Countries by Area or Population | 0 | - | 5.00 | 187,256 |
| Countries with the Most Area in the Southern Hemisphere | 0 | - | 4.99 | 98,518 |
| Most Populous Countries as a Percent of Their Continent | 0 | - | 4.97 | 95,066 |
| Largest Countries as a Percent of Continent | 0 | - | 4.97 | 148,974 |
| Countries with the Most Desert | 0 | - | 4.93 | 128,486 |
| Countries by Contribution to UN Budget | 0 | - | 4.87 | 77,503 |
| Countries with Most Nobel Laureates per Capita | 0 | - | 4.83 | 34,892 |
| City to Country Quiz #1 | 0 | - | 4.97 | 157,516 |
| City to Country Quiz #3 | 0 | - | 4.88 | 120,001 |
| 45 European Countries, 45 Cities | 0 | - | 4.95 | 79,452 |
| Five Biggest Countries by Continent | 0 | - | 4.99 | 250,435 |
| Five Poorest Countries by Continent | 0 | - | 4.93 | 201,145 |
| Five Least Populated Countries by Continent | 0 | - | 4.95 | 143,436 |
| Five Smallest Countries by Continent | 0 | - | 4.98 | 164,269 |
| First Five Countries Alphabetically by Continent | 0 | - | 4.94 | 225,976 |
| Last Five Countries Alphabetically by Continent | 0 | - | 4.98 | 153,215 |
| Five Northernmost Capital Cities by Continent | 0 | - | 4.89 | 71,239 |
| Top 10 Countries in Nuclear Power Production | 0 | - | 4.95 | 86,831 |
| 10 Northernmost Countries That Start with S | 0 | - | 4.94 | 63,247 |
| Biggest Countries by Population | 0 | - | 5.00 | 1,454,122 |
| Smallest Countries by Population and Area | 0 | - | 4.99 | 382,495 |
| One Border Countries | 0 | - | 4.98 | 471,945 |
| Top 15 Most Populous Countries Ending in "IA" | 0 | - | 4.77 | 116,127 |
| Every Country in its Official/Native Language | 0 | - | 4.98 | 25,698 |
| Most Similar Country Names | 0 | - | 4.16 | 46,679 |
| Longest Country Name A-Z | 0 | - | 4.32 | 42,372 |
| Countries by Borders in 90 Seconds | 0 | - | 4.99 | 3,848,787 |
| Countries by First Two Letters in 90 Seconds | 0 | - | 4.98 | 5,653,016 |
| Five Most Densely Populated Countries by Continent | 0 | - | 4.96 | 87,326 |
| Five Most Populated Countries by Continent | 0 | - | 4.99 | 269,035 |
| Most Populous Countries with Exceptions | 0 | - | 4.98 | 122,654 |
| Top 10 Most Densely-Populated Countries in Europe | 0 | - | 4.98 | 112,902 |
| Five Least Densely Populated Countries by Continent | 0 | - | 4.90 | 94,217 |
| Countries by Population Range - Tile Select | 0 | - | 4.87 | 59,613 |
| Countries by National Anthem | 0 | - | 4.92 | 71,408 |
| NATO Countries | 0 | - | 4.98 | 283,433 |
| EU Countries Quiz | 0 | - | 4.99 | 277,917 |
| Recently Independent Countries | 0 | - | 4.98 | 160,356 |
| French-Speaking Countries | 0 | - | 4.85 | 271,678 |
| Natural Features of Countries #1 | 0 | - | 4.87 | 84,043 |
