| "Land" Countries | 0 | - | 4.98 | 338,239 |
| Countries with Double Letters | 0 | - | 4.96 | 96,951 |
| Countries that End in N | 0 | - | 4.94 | 171,816 |
| Countries with Five Letters | 0 | - | 4.96 | 283,602 |
| Countries with Six Letters | 0 | - | 4.94 | 214,329 |
| Countries with W | 0 | - | 4.96 | 160,850 |
| Countries with Z | 0 | - | 4.98 | 292,301 |
| Countries with Letters Missing | 0 | - | 4.96 | 187,208 |
| Countries That End in U | 0 | - | 4.95 | 121,132 |
| Top 20 Longest One-Word Country Names | 0 | - | 4.97 | 135,012 |
| Countries that End in O | 0 | - | 4.92 | 160,024 |
| Countries that End in R | 0 | - | 4.87 | 119,145 |
| Country Names Created by Only 4 Letters | 0 | - | 4.99 | 155,900 |
| Countries Ending in "IA" | 0 | - | 4.99 | 209,733 |
| Countries by First and Last Letter #1 | 0 | - | 4.97 | 171,085 |
| Countries by Last Two Letters | 0 | - | 4.85 | 135,770 |
| Countries by First and Last Letter #2 | 0 | - | 4.96 | 142,705 |
| Countries That End in Y | 0 | - | 4.91 | 186,058 |
| Countries Based on First Two Letters #1 | 0 | - | 4.99 | 198,384 |
| Countries with Cardinal Directions in Their Names | 0 | - | 4.92 | 153,207 |
| Countries that End in I | 0 | - | 4.94 | 135,281 |
| Countries Based on First Two Letters #2 | 0 | - | 4.99 | 184,547 |
| Countries by Initial Letter and Length #1 | 0 | - | 4.98 | 96,021 |
| Countries That End in NIA | 0 | - | 4.92 | 110,016 |
| Countries That End in BIA | 0 | - | 4.93 | 149,535 |
| Countries by Initial Letter and Continent #1 | 0 | - | 4.94 | 167,466 |
| Countries Whose Names Start with Saint | 0 | - | 4.87 | 119,729 |
| Countries That End in RIA | 0 | - | 4.93 | 127,025 |
| Most Common Words in Official Country Names | 0 | - | 4.86 | 111,331 |
| Divided Country Name Puzzle #1 | 0 | - | 4.99 | 228,446 |
| Divided Country Name Puzzle #2 | 0 | - | 4.99 | 134,103 |
| Divided Country Name Puzzle #3 | 0 | - | 4.92 | 126,541 |
| Groups of Countries that Start with the Same 3 Letters | 0 | - | 5.00 | 92,111 |
| Add A Letter - Make a Country | 0 | - | 4.81 | 74,775 |
| Countries With One Word and Three A's | 0 | - | 4.92 | 53,288 |
| Countries with a Unique Last Letter | 0 | - | 4.90 | 103,526 |
| Unique Starting Letter - Countries by Continent | 0 | - | 4.98 | 125,846 |
| Countries that are Free from U.S.A. | 0 | - | 4.89 | 49,620 |
| Countries with the Word "And" | 0 | - | 4.99 | 117,655 |
| Countries Containing Two or More Words | 0 | - | 4.97 | 54,350 |
| Countries that End in L | 0 | - | 4.94 | 157,078 |
| "Stan" Countries Quiz | 0 | - | 4.97 | 217,778 |
| Countries Ending with "An", but not "Stan" | 0 | - | 4.98 | 85,333 |
| Landlocked Countries | 0 | - | 4.99 | 425,048 |
| Countries of the World Quiz | 0 | - | 5.00 | 47,830,793 |
| Countries with Four Letters | 0 | - | 4.99 | 425,465 |
| Sahara Desert Countries | 0 | - | 4.98 | 165,905 |
| Himalayan Countries | 0 | - | 4.93 | 139,970 |
| Andean Countries | 0 | - | 4.94 | 85,290 |
| Countries with the Youngest Median Age | 0 | - | 4.97 | 64,446 |
| Countries in the Southern Hemisphere | 0 | - | 4.99 | 126,791 |
| Coffee Producing Countries | 0 | - | 4.83 | 68,018 |
| Countries with Shrinking Populations | 0 | - | 4.94 | 66,315 |
| Danube Countries | 0 | - | 4.97 | 72,312 |
| Countries With an "Ish" Demonym | 0 | - | 4.98 | 117,476 |
| Countries With an "Ese" Demonym | 0 | - | 4.97 | 86,753 |
| Countries with the Worst Passports | 0 | - | 4.93 | 84,974 |
| Countries with the Most Immigrants | 0 | - | 4.90 | 150,465 |
| European Landlocked Countries | 0 | - | 4.99 | 147,526 |
| Partially Recognized Countries | 0 | - | 4.98 | 107,183 |
| Countries with the Most Species | 0 | - | 4.99 | 103,518 |
| Countries 197 to 205 | 0 | - | 4.90 | 71,315 |
| Tropic of Cancer Countries | 0 | - | 4.97 | 53,740 |
| Tropic of Capricorn Countries | 0 | - | 4.96 | 47,850 |
| Countries that Use the Peso | 0 | - | 4.89 | 59,786 |
| Countries with the Largest Exclusive Economic Zone | 0 | - | 4.90 | 73,519 |
| Countries with a AAA Credit Rating | 0 | - | 4.86 | 57,953 |
| Countries in the Alps | 0 | - | 4.87 | 118,681 |
| Top Five Importing Partners by Country | 0 | - | 4.97 | 102,471 |
| Countries, Capitals, Currencies and Official Languages | 0 | - | 5.00 | 107,728 |
| Biggest Import Partners By Country | 0 | - | 4.99 | 78,914 |
| Southernmost Countries by Continent | 0 | - | 4.98 | 96,956 |
| Northernmost Countries by Continent | 0 | - | 4.98 | 116,874 |
| Countries by Population Growth, 1970–Present | 0 | - | 4.92 | 96,184 |
| Five Biggest Countries by Latitude | 0 | - | 4.97 | 101,313 |
| Five Biggest Countries by Longitude | 0 | - | 4.91 | 53,808 |
| Largest Country by Body of Water | 0 | - | 4.96 | 58,370 |
| Countries with the Most Container Port Traffic | 0 | - | 4.92 | 63,115 |
| Bridge and Tunnel Borders | 0 | - | 4.96 | 53,819 |
| Countries with the Longest Road Networks Quiz | 0 | - | 4.91 | 41,690 |
| Countries that Touch the Prime Meridian or Equator | 0 | - | 4.88 | 104,495 |
| Arctic Ocean Countries | 0 | - | 4.95 | 79,732 |
| Countries with the Most Grassland | 0 | - | 4.94 | 77,826 |
| All Countries by Area : Four at a Time | 0 | - | 5.00 | 119,673 |
| Countries with the Most Climate Zones | 0 | - | 4.96 | 68,561 |
| Countries that Host the Most Refugees | 0 | - | 4.96 | 65,685 |
| Countries of the World by Similar Area in 90 Seconds | 0 | - | 4.95 | 46,578 |
| All Countries of the World by Area with Hints | 0 | - | 4.97 | 245,433 |
| World Countries - Blind Typing | 0 | - | 5.00 | 108,982 |
| Countries in Their Own Alphabet | 0 | - | 4.95 | 48,470 |
| Largest Countries By Category | 0 | - | 4.97 | 158,757 |
| Countries by Countries | 0 | - | 4.96 | 63,578 |
| Country Flags with the Most White | 0 | - | 4.85 | 139,182 |
| Countries With the Northernmost Southernmost Point | 0 | - | 4.96 | 62,378 |
| Countries with the Southernmost Northernmost Point | 0 | - | 4.87 | 47,653 |
| All Countries by Population With a Map | 0 | - | 4.98 | 110,772 |
| Six Degrees of Separation - Countries #1 | 0 | - | 4.96 | 99,347 |
| Country Flags With Only Two Colors | 0 | - | 4.91 | 89,036 |
| Countries of Europe Quiz | 0 | - | 5.00 | 3,800,195 |
| Bordering Countries Beginning With the Same Letter | 0 | - | 4.99 | 140,240 |
| Can You Name These 50 Random Countries? | 0 | - | 4.98 | 218,687 |
| Top 50 Countries by Population - In Order | 0 | - | 4.98 | 334,900 |
| Spanish-Speaking Countries | 0 | - | 4.95 | 376,484 |
| Countries with the Most Tourists Quiz | 0 | - | 4.92 | 409,331 |
| Island Countries | 0 | - | 4.99 | 712,302 |
| Biggest Countries by Area | 0 | - | 5.00 | 1,054,026 |
| Northernmost Countries | 0 | - | 4.99 | 363,699 |
| Countries of South America | 0 | - | 5.00 | 931,735 |
| Countries of Oceania | 0 | - | 5.00 | 1,062,212 |
| Countries of Asia Quiz | 0 | - | 5.00 | 1,887,154 |
| Countries with J | 0 | - | 4.55 | 185,703 |
| Countries by Consonants | 0 | - | 4.42 | 78,906 |
| Countries of the World with an Empty Map | 0 | - | 5.00 | 3,392,189 |
| Countries More Populous Than Their Neighbors | 0 | - | 4.99 | 174,987 |
| Countries with Megacities | 0 | - | 4.99 | 266,780 |
| Countries With More than 50 Million People | 0 | - | 4.99 | 200,676 |
| Countries with the Most Population Growth by Decade | 0 | - | 4.98 | 114,020 |
| Countries With More than 200 Million People | 0 | - | 4.95 | 138,991 |
| Countries Less Populous Than Their Neighbors | 0 | - | 4.96 | 82,139 |
| Countries by Official Language | 0 | - | 4.95 | 195,879 |
| Countries with the Most Speakers of These Languages | 0 | - | 4.91 | 297,476 |
| Countries in their Native Language | 0 | - | 4.99 | 199,643 |
| Independence from Whom | 0 | - | 4.99 | 212,921 |
| Subdivisions by Country | 0 | - | 4.87 | 50,590 |
| Who Controlled These Colonies? | 0 | - | 4.88 | 133,344 |
| Megadiverse Countries | 0 | - | 4.96 | 135,233 |
| Countries With the Most English Speakers | 0 | - | 4.86 | 132,851 |
| Countries Producing the Most Sugarcane | 0 | - | 4.94 | 55,508 |
| Countries with Multiple Big Islands | 0 | - | 4.92 | 126,412 |
| Top 10 Wheat-Producing Countries | 0 | - | 4.89 | 75,209 |
| 15 Biggest Island Countries | 0 | - | 4.98 | 163,514 |
| Most Recently-Settled Countries | 0 | - | 4.94 | 62,807 |
| Countries of the World in 1938 Quiz | 0 | - | 4.95 | 95,031 |
| Countries Bigger Than Their Neighbors | 0 | - | 4.93 | 154,538 |
| Countries with Multiple Populous Islands | 0 | - | 4.89 | 95,794 |
| Countries in Relation to Cities #1 | 0 | - | 4.92 | 45,242 |
| Countries by Sports League Revenue | 0 | - | 4.94 | 78,400 |
| Landmarks of Countries #1 | 0 | - | 4.88 | 108,342 |
| Countries Furthest from the United States | 0 | - | 4.94 | 89,408 |
| Countries with the Highest HDI | 0 | - | 4.95 | 137,122 |
| Straight Shot to the Arctic Circle | 0 | - | 4.88 | 75,555 |
| Most Dispersed Island Nations | 0 | - | 4.96 | 71,663 |
| Countries of the World in Alphabetical Order | 0 | - | 5.00 | 112,184 |
| World Map Quiz | 0 | - | 4.81 | 65,586 |
| Recognized, Non-Recognized Countries, and Territories of the World | 0 | - | 5.00 | 158,925 |
| Smallest Countries with at Least One Border | 0 | - | 4.87 | 107,649 |
| Countries by Founding Story | 0 | - | 4.95 | 77,748 |
| Countries by Road Signs | 0 | - | 4.98 | 54,304 |
| Southernmost Countries of the World | 0 | - | 4.99 | 229,130 |
| Countries by Inland Surface Water | 0 | - | 4.93 | 106,001 |
| Top 20 Motor Vehicle Producing Countries | 0 | - | 4.91 | 123,487 |
| Countries With the Most Languages | 0 | - | 4.90 | 203,404 |
| Countries with the Highest Population Under Age 15 | 0 | - | 4.96 | 111,358 |
| Countries with the Highest Population 65 and Older | 0 | - | 4.90 | 94,466 |
| Countries with the Most Prisoners | 0 | - | 4.94 | 99,668 |
| Countries with the Most Domestic Camels | 0 | - | 4.94 | 61,651 |
| Tallest Countries North to South | 0 | - | 4.86 | 130,512 |
| Widest Countries East to West | 0 | - | 4.92 | 130,391 |
| Countries with the Highest Average Elevation | 0 | - | 4.98 | 71,581 |
| Largest Countries by Area or Population | 0 | - | 5.00 | 187,181 |
| Countries with the Most Area in the Southern Hemisphere | 0 | - | 4.99 | 98,492 |
| Most Populous Countries as a Percent of Their Continent | 0 | - | 4.97 | 95,018 |
| Largest Countries as a Percent of Continent | 0 | - | 4.97 | 148,927 |
| Countries with the Most Desert | 0 | - | 4.93 | 128,415 |
| Countries by Contribution to UN Budget | 0 | - | 4.87 | 77,479 |
| Countries with Most Nobel Laureates per Capita | 0 | - | 4.83 | 34,881 |
| City to Country Quiz #1 | 0 | - | 4.97 | 157,350 |
| City to Country Quiz #3 | 0 | - | 4.88 | 119,889 |
| 45 European Countries, 45 Cities | 0 | - | 4.95 | 79,394 |
| Five Biggest Countries by Continent | 0 | - | 4.99 | 250,336 |
| Five Poorest Countries by Continent | 0 | - | 4.93 | 201,083 |
| Five Least Populated Countries by Continent | 0 | - | 4.95 | 143,395 |
| Five Smallest Countries by Continent | 0 | - | 4.98 | 164,194 |
| First Five Countries Alphabetically by Continent | 0 | - | 4.94 | 225,901 |
| Last Five Countries Alphabetically by Continent | 0 | - | 4.98 | 153,167 |
| Five Northernmost Capital Cities by Continent | 0 | - | 4.89 | 71,220 |
| Top 10 Countries in Nuclear Power Production | 0 | - | 4.95 | 86,808 |
| 10 Northernmost Countries That Start with S | 0 | - | 4.94 | 63,198 |
| Biggest Countries by Population | 0 | - | 5.00 | 1,453,196 |
| Smallest Countries by Population and Area | 0 | - | 4.99 | 382,250 |
| One Border Countries | 0 | - | 4.98 | 471,671 |
| Top 15 Most Populous Countries Ending in "IA" | 0 | - | 4.77 | 116,088 |
| Every Country in its Official/Native Language | 0 | - | 4.98 | 25,670 |
| Most Similar Country Names | 0 | - | 4.16 | 46,658 |
| Longest Country Name A-Z | 0 | - | 4.32 | 42,345 |
| Countries by Borders in 90 Seconds | 0 | - | 4.99 | 3,846,478 |
| Countries by First Two Letters in 90 Seconds | 0 | - | 4.98 | 5,649,930 |
| Five Most Densely Populated Countries by Continent | 0 | - | 4.96 | 87,275 |
| Five Most Populated Countries by Continent | 0 | - | 4.99 | 268,915 |
| Most Populous Countries with Exceptions | 0 | - | 4.98 | 122,593 |
| Top 10 Most Densely-Populated Countries in Europe | 0 | - | 4.98 | 112,856 |
| Five Least Densely Populated Countries by Continent | 0 | - | 4.90 | 94,157 |
| Countries by Population Range - Tile Select | 0 | - | 4.87 | 59,550 |
| Countries by National Anthem | 0 | - | 4.92 | 71,395 |
| NATO Countries | 0 | - | 4.98 | 283,142 |
| EU Countries Quiz | 0 | - | 4.99 | 277,512 |
| Recently Independent Countries | 0 | - | 4.98 | 160,142 |
| French-Speaking Countries | 0 | - | 4.85 | 271,562 |
| Natural Features of Countries #1 | 0 | - | 4.87 | 84,023 |
| Countries That Use the Euro | 0 | - | 4.95 | 106,599 |
