| "Land" Countries | 0 | - | 4.98 | 335,660 |
| Countries with Double Letters | 0 | - | 4.97 | 94,988 |
| Countries that End in N | 0 | - | 4.95 | 169,742 |
| Countries with Five Letters | 0 | - | 4.96 | 279,365 |
| Countries with Six Letters | 0 | - | 4.94 | 212,349 |
| Countries with W | 0 | - | 4.97 | 159,440 |
| Countries with Z | 0 | - | 4.98 | 289,680 |
| Countries with Letters Missing | 0 | - | 4.96 | 185,642 |
| Countries That End in U | 0 | - | 4.95 | 120,370 |
| Top 20 Longest One-Word Country Names | 0 | - | 4.98 | 133,671 |
| Countries that End in O | 0 | - | 4.92 | 159,162 |
| Countries that End in R | 0 | - | 4.87 | 118,703 |
| Country Names Created by Only 4 Letters | 0 | - | 4.99 | 155,481 |
| Countries Ending in "IA" | 0 | - | 4.99 | 208,210 |
| Countries by First and Last Letter #1 | 0 | - | 4.97 | 170,046 |
| Countries by Last Two Letters | 0 | - | 4.85 | 135,046 |
| Countries by First and Last Letter #2 | 0 | - | 4.96 | 141,628 |
| Countries That End in Y | 0 | - | 4.90 | 185,616 |
| Countries Based on First Two Letters #1 | 0 | - | 4.99 | 197,148 |
| Countries with Cardinal Directions in Their Names | 0 | - | 4.92 | 152,350 |
| Countries that End in I | 0 | - | 4.94 | 134,833 |
| Countries Based on First Two Letters #2 | 0 | - | 4.99 | 182,998 |
| Countries by Initial Letter and Length #1 | 0 | - | 4.98 | 95,546 |
| Countries That End in NIA | 0 | - | 4.92 | 109,482 |
| Countries That End in BIA | 0 | - | 4.93 | 148,790 |
| Countries Whose Names Start with Saint | 0 | - | 4.87 | 119,001 |
| Countries That End in RIA | 0 | - | 4.93 | 126,495 |
| Most Common Words in Official Country Names | 0 | - | 4.86 | 110,582 |
| Divided Country Name Puzzle #1 | 0 | - | 4.99 | 226,532 |
| Divided Country Name Puzzle #2 | 0 | - | 4.99 | 133,137 |
| Divided Country Name Puzzle #3 | 0 | - | 4.92 | 125,483 |
| Groups of Countries that Start with the Same 3 Letters | 0 | - | 5.00 | 91,044 |
| Add A Letter - Make a Country | 0 | - | 4.82 | 74,284 |
| Countries With One Word and Three A's | 0 | - | 4.92 | 52,635 |
| Countries with a Unique Last Letter | 0 | - | 4.90 | 103,184 |
| Unique Starting Letter - Countries by Continent | 0 | - | 4.98 | 125,067 |
| Countries that are Free from U.S.A. | 0 | - | 4.89 | 49,168 |
| Countries with the Word "And" | 0 | - | 4.99 | 116,764 |
| Countries Containing Two or More Words | 0 | - | 4.97 | 53,470 |
| Countries that End in L | 0 | - | 4.94 | 156,502 |
| "Stan" Countries Quiz | 0 | - | 4.97 | 213,785 |
| Countries Ending with "An", but not "Stan" | 0 | - | 4.98 | 85,144 |
| Landlocked Countries | 0 | - | 4.99 | 418,279 |
| Countries of the World Quiz | 0 | - | 5.00 | 47,292,222 |
| Countries with Four Letters | 0 | - | 4.99 | 421,324 |
| Sahara Desert Countries | 0 | - | 4.98 | 162,655 |
| Himalayan Countries | 0 | - | 4.94 | 137,137 |
| Andean Countries | 0 | - | 4.95 | 83,780 |
| Countries with the Youngest Median Age | 0 | - | 4.97 | 63,031 |
| Countries in the Southern Hemisphere | 0 | - | 4.99 | 124,409 |
| Coffee Producing Countries | 0 | - | 4.83 | 66,704 |
| Countries with Shrinking Populations | 0 | - | 4.94 | 65,258 |
| Danube Countries | 0 | - | 4.97 | 71,586 |
| Countries With an "Ish" Demonym | 0 | - | 4.97 | 116,454 |
| Countries With an "Ese" Demonym | 0 | - | 4.97 | 85,990 |
| Countries with the Worst Passports | 0 | - | 4.94 | 83,527 |
| Countries with the Most Immigrants | 0 | - | 4.90 | 148,587 |
| European Landlocked Countries | 0 | - | 4.99 | 146,699 |
| Partially Recognized Countries | 0 | - | 4.98 | 106,026 |
| Countries with the Most Species | 0 | - | 4.99 | 102,822 |
| Countries 197 to 205 | 0 | - | 4.89 | 70,168 |
| Tropic of Cancer Countries | 0 | - | 4.97 | 53,402 |
| Tropic of Capricorn Countries | 0 | - | 4.96 | 47,559 |
| Countries that Use the Peso | 0 | - | 4.88 | 59,263 |
| Countries with the Largest Exclusive Economic Zone | 0 | - | 4.90 | 72,933 |
| Countries with a AAA Credit Rating | 0 | - | 4.86 | 57,312 |
| Countries in the Alps | 0 | - | 4.87 | 117,591 |
| Top Five Importing Partners by Country | 0 | - | 4.97 | 95,071 |
| Countries, Capitals, Currencies and Official Languages | 0 | - | 5.00 | 106,256 |
| Biggest Import Partners By Country | 0 | - | 4.99 | 78,370 |
| Southernmost Countries by Continent | 0 | - | 4.98 | 95,916 |
| Northernmost Countries by Continent | 0 | - | 4.98 | 116,024 |
| Countries by Population Growth, 1970–Present | 0 | - | 4.92 | 95,400 |
| Five Biggest Countries by Latitude | 0 | - | 4.97 | 100,196 |
| Five Biggest Countries by Longitude | 0 | - | 4.91 | 53,134 |
| Largest Country by Body of Water | 0 | - | 4.96 | 57,930 |
| Countries with the Most Container Port Traffic | 0 | - | 4.92 | 62,497 |
| Bridge and Tunnel Borders | 0 | - | 4.96 | 53,445 |
| Countries with the Longest Road Networks Quiz | 0 | - | 4.90 | 41,304 |
| Countries that Touch the Prime Meridian or Equator | 0 | - | 4.88 | 103,877 |
| Arctic Ocean Countries | 0 | - | 4.95 | 79,142 |
| Countries with the Most Grassland | 0 | - | 4.94 | 77,162 |
| All Countries by Area : Four at a Time | 0 | - | 5.00 | 118,049 |
| Countries with the Most Climate Zones | 0 | - | 4.96 | 68,015 |
| Countries that Host the Most Refugees | 0 | - | 4.95 | 59,538 |
| Countries of the World by Similar Area in 90 Seconds | 0 | - | 4.95 | 45,433 |
| All Countries of the World by Area with Hints | 0 | - | 4.97 | 242,025 |
| World Countries - Blind Typing | 0 | - | 5.00 | 107,076 |
| Countries in Their Own Alphabet | 0 | - | 4.95 | 47,947 |
| Largest Countries By Category | 0 | - | 4.97 | 157,539 |
| Countries by Countries | 0 | - | 4.96 | 62,781 |
| Country Flags with the Most White | 0 | - | 4.85 | 138,126 |
| Countries With the Northernmost Southernmost Point | 0 | - | 4.96 | 62,142 |
| Countries with the Southernmost Northernmost Point | 0 | - | 4.87 | 47,457 |
| All Countries by Population With a Map | 0 | - | 4.98 | 108,305 |
| Six Degrees of Separation - Countries #1 | 0 | - | 4.96 | 98,588 |
| Country Flags With Only Two Colors | 0 | - | 4.92 | 88,264 |
| Countries of Europe Quiz | 0 | - | 5.00 | 3,753,057 |
| Bordering Countries Beginning With the Same Letter | 0 | - | 4.99 | 139,425 |
| Can You Name These 50 Random Countries? | 0 | - | 4.98 | 215,741 |
| Top 50 Countries by Population - In Order | 0 | - | 4.98 | 328,389 |
| Spanish-Speaking Countries | 0 | - | 4.95 | 374,434 |
| Countries with the Most Tourists Quiz | 0 | - | 4.92 | 404,784 |
| Island Countries | 0 | - | 4.99 | 709,496 |
| Biggest Countries by Area | 0 | - | 4.99 | 1,045,381 |
| Northernmost Countries | 0 | - | 4.99 | 360,196 |
| Countries of South America | 0 | - | 5.00 | 922,143 |
| Countries of Oceania | 0 | - | 5.00 | 1,050,008 |
| Countries of Asia Quiz | 0 | - | 5.00 | 1,864,609 |
| Countries with J | 0 | - | 4.54 | 184,835 |
| Countries by Consonants | 0 | - | 4.42 | 78,494 |
| Countries of the World with an Empty Map | 0 | - | 5.00 | 3,374,358 |
| Countries More Populous Than Their Neighbors | 0 | - | 4.99 | 172,794 |
| Countries with Megacities | 0 | - | 4.99 | 250,566 |
| Countries With More than 50 Million People | 0 | - | 4.99 | 198,649 |
| Countries with the Most Population Growth by Decade | 0 | - | 4.98 | 112,859 |
| Countries With More than 200 Million People | 0 | - | 4.96 | 136,946 |
| Countries Less Populous Than Their Neighbors | 0 | - | 4.96 | 80,841 |
| Countries by Official Language | 0 | - | 4.95 | 194,523 |
| Countries with the Most Speakers of These Languages | 0 | - | 4.91 | 295,372 |
| Countries in their Native Language | 0 | - | 4.99 | 198,087 |
| Independence from Whom | 0 | - | 4.99 | 211,190 |
| Subdivisions by Country | 0 | - | 4.86 | 50,262 |
| Who Controlled These Colonies? | 0 | - | 4.88 | 131,610 |
| Megadiverse Countries | 0 | - | 4.96 | 134,725 |
| Countries With the Most English Speakers | 0 | - | 4.86 | 131,220 |
| Countries Producing the Most Sugarcane | 0 | - | 4.95 | 55,154 |
| Countries with Multiple Big Islands | 0 | - | 4.93 | 125,719 |
| Top 10 Wheat-Producing Countries | 0 | - | 4.89 | 74,999 |
| 15 Biggest Island Countries | 0 | - | 4.98 | 162,646 |
| Most Recently-Settled Countries | 0 | - | 4.94 | 62,333 |
| Countries of the World in 1938 Quiz | 0 | - | 4.95 | 93,884 |
| Countries Bigger Than Their Neighbors | 0 | - | 4.93 | 153,791 |
| Countries with Multiple Populous Islands | 0 | - | 4.89 | 95,458 |
| Countries in Relation to Cities #1 | 0 | - | 4.92 | 44,960 |
| Countries by Sports League Revenue | 0 | - | 4.94 | 76,825 |
| Landmarks of Countries #1 | 0 | - | 4.88 | 107,674 |
| Countries Furthest from the United States | 0 | - | 4.94 | 88,945 |
| Countries with the Highest HDI | 0 | - | 4.95 | 136,748 |
| Straight Shot to the Arctic Circle | 0 | - | 4.88 | 75,104 |
| Most Dispersed Island Nations | 0 | - | 4.97 | 71,297 |
| Countries of the World in Alphabetical Order | 0 | - | 5.00 | 110,030 |
| World Map Quiz | 0 | - | 4.81 | 64,416 |
| Recognized, Non-Recognized Countries, and Territories of the World | 0 | - | 5.00 | 155,276 |
| Smallest Countries with at Least One Border | 0 | - | 4.87 | 106,968 |
| Countries by Founding Story | 0 | - | 4.95 | 77,015 |
| Countries by Road Signs | 0 | - | 4.98 | 53,597 |
| Southernmost Countries of the World | 0 | - | 4.99 | 227,386 |
| Countries by Inland Surface Water | 0 | - | 4.94 | 104,870 |
| Top 20 Motor Vehicle Producing Countries | 0 | - | 4.91 | 122,579 |
| Countries With the Most Languages | 0 | - | 4.90 | 201,168 |
| Countries with the Highest Population Under Age 15 | 0 | - | 4.95 | 110,458 |
| Countries with the Highest Population 65 and Older | 0 | - | 4.90 | 93,635 |
| Countries with the Most Prisoners | 0 | - | 4.94 | 98,777 |
| Countries with the Most Domestic Camels | 0 | - | 4.94 | 61,229 |
| Tallest Countries North to South | 0 | - | 4.83 | 120,232 |
| Widest Countries East to West | 0 | - | 4.92 | 129,316 |
| Countries with the Highest Average Elevation | 0 | - | 4.98 | 71,372 |
| Largest Countries by Area or Population | 0 | - | 5.00 | 185,887 |
| Countries with the Most Area in the Southern Hemisphere | 0 | - | 4.99 | 97,977 |
| Most Populous Countries as a Percent of Their Continent | 0 | - | 4.97 | 94,472 |
| Largest Countries as a Percent of Continent | 0 | - | 4.97 | 148,151 |
| Countries with the Most Desert | 0 | - | 4.93 | 127,491 |
| Countries by Contribution to UN Budget | 0 | - | 4.87 | 77,215 |
| Countries with Most Nobel Laureates per Capita | 0 | - | 4.83 | 34,714 |
| City to Country Quiz #1 | 0 | - | 4.97 | 155,805 |
| City to Country Quiz #3 | 0 | - | 4.88 | 118,684 |
| 45 European Countries, 45 Cities | 0 | - | 4.95 | 78,730 |
| Five Biggest Countries by Continent | 0 | - | 4.99 | 248,670 |
| Five Poorest Countries by Continent | 0 | - | 4.93 | 200,069 |
| Five Least Populated Countries by Continent | 0 | - | 4.96 | 142,557 |
| Five Smallest Countries by Continent | 0 | - | 4.98 | 163,035 |
| First Five Countries Alphabetically by Continent | 0 | - | 4.94 | 224,522 |
| Last Five Countries Alphabetically by Continent | 0 | - | 4.98 | 152,516 |
| Five Northernmost Capital Cities by Continent | 0 | - | 4.89 | 70,928 |
| Top 10 Countries in Nuclear Power Production | 0 | - | 4.95 | 86,583 |
| 10 Northernmost Countries That Start with S | 0 | - | 4.94 | 62,626 |
| Biggest Countries by Population | 0 | - | 5.00 | 1,442,457 |
| Smallest Countries by Population and Area | 0 | - | 4.99 | 379,505 |
| One Border Countries | 0 | - | 4.98 | 467,353 |
| Top 15 Most Populous Countries Ending in "IA" | 0 | - | 4.77 | 115,460 |
| Every Country in its Official/Native Language | 0 | - | 4.98 | 25,251 |
| Most Similar Country Names | 0 | - | 4.16 | 46,442 |
| Longest Country Name A-Z | 0 | - | 4.33 | 42,005 |
| Countries by Borders in 90 Seconds | 0 | - | 4.99 | 3,820,429 |
| Countries by First Two Letters in 90 Seconds | 0 | - | 4.98 | 5,612,333 |
| Five Most Densely Populated Countries by Continent | 0 | - | 4.95 | 86,476 |
| Five Most Populated Countries by Continent | 0 | - | 4.99 | 267,270 |
| Most Populous Countries with Exceptions | 0 | - | 4.98 | 121,603 |
| Top 10 Most Densely-Populated Countries in Europe | 0 | - | 4.98 | 112,224 |
| Five Least Densely Populated Countries by Continent | 0 | - | 4.92 | 93,295 |
| Countries by Population Range - Tile Select | 0 | - | 4.87 | 58,851 |
| Countries by National Anthem | 0 | - | 4.93 | 71,167 |
| NATO Countries | 0 | - | 4.98 | 279,026 |
| EU Countries Quiz | 0 | - | 4.99 | 272,623 |
| Recently Independent Countries | 0 | - | 4.98 | 158,941 |
| French-Speaking Countries | 0 | - | 4.85 | 270,108 |
| Natural Features of Countries #1 | 0 | - | 4.87 | 83,740 |
| Countries That Use the Euro | 0 | - | 4.95 | 104,397 |
| Countries with the Most Military Troops | 0 | - | 4.95 | 287,236 |
