| "Land" Countries | 0 | - | 4.98 | 338,399 |
| Countries with Double Letters | 0 | - | 4.96 | 97,088 |
| Countries that End in N | 0 | - | 4.95 | 171,953 |
| Countries with Five Letters | 0 | - | 4.96 | 283,790 |
| Countries with Six Letters | 0 | - | 4.94 | 214,491 |
| Countries with W | 0 | - | 4.96 | 160,953 |
| Countries with Z | 0 | - | 4.98 | 292,472 |
| Countries with Letters Missing | 0 | - | 4.96 | 187,292 |
| Countries That End in U | 0 | - | 4.95 | 121,197 |
| Top 20 Longest One-Word Country Names | 0 | - | 4.97 | 135,116 |
| Countries that End in O | 0 | - | 4.92 | 160,218 |
| Countries that End in R | 0 | - | 4.87 | 119,189 |
| Country Names Created by Only 4 Letters | 0 | - | 4.99 | 155,942 |
| Countries Ending in "IA" | 0 | - | 4.99 | 209,854 |
| Countries by First and Last Letter #1 | 0 | - | 4.97 | 171,157 |
| Countries by Last Two Letters | 0 | - | 4.85 | 135,835 |
| Countries by First and Last Letter #2 | 0 | - | 4.96 | 142,766 |
| Countries That End in Y | 0 | - | 4.91 | 186,094 |
| Countries Based on First Two Letters #1 | 0 | - | 4.99 | 198,467 |
| Countries with Cardinal Directions in Their Names | 0 | - | 4.92 | 153,280 |
| Countries that End in I | 0 | - | 4.94 | 135,319 |
| Countries Based on First Two Letters #2 | 0 | - | 4.99 | 184,631 |
| Countries by Initial Letter and Length #1 | 0 | - | 4.98 | 96,061 |
| Countries That End in NIA | 0 | - | 4.92 | 110,063 |
| Countries That End in BIA | 0 | - | 4.93 | 149,579 |
| Countries by Initial Letter and Continent #1 | 0 | - | 4.94 | 167,555 |
| Countries Whose Names Start with Saint | 0 | - | 4.87 | 119,780 |
| Countries That End in RIA | 0 | - | 4.93 | 127,060 |
| Most Common Words in Official Country Names | 0 | - | 4.86 | 111,393 |
| Divided Country Name Puzzle #1 | 0 | - | 4.99 | 228,598 |
| Divided Country Name Puzzle #2 | 0 | - | 4.99 | 134,191 |
| Divided Country Name Puzzle #3 | 0 | - | 4.92 | 126,633 |
| Groups of Countries that Start with the Same 3 Letters | 0 | - | 5.00 | 92,185 |
| Add A Letter - Make a Country | 0 | - | 4.81 | 74,810 |
| Countries With One Word and Three A's | 0 | - | 4.92 | 53,335 |
| Countries with a Unique Last Letter | 0 | - | 4.90 | 103,541 |
| Unique Starting Letter - Countries by Continent | 0 | - | 4.98 | 125,913 |
| Countries that are Free from U.S.A. | 0 | - | 4.89 | 49,654 |
| Countries with the Word "And" | 0 | - | 4.99 | 117,736 |
| Countries Containing Two or More Words | 0 | - | 4.97 | 54,424 |
| Countries that End in L | 0 | - | 4.94 | 157,133 |
| "Stan" Countries Quiz | 0 | - | 4.97 | 218,048 |
| Countries Ending with "An", but not "Stan" | 0 | - | 4.98 | 85,347 |
| Landlocked Countries | 0 | - | 4.99 | 425,893 |
| Countries of the World Quiz | 0 | - | 5.00 | 47,881,448 |
| Countries with Four Letters | 0 | - | 4.99 | 425,850 |
| Sahara Desert Countries | 0 | - | 4.98 | 166,287 |
| Himalayan Countries | 0 | - | 4.93 | 140,261 |
| Andean Countries | 0 | - | 4.94 | 85,468 |
| Countries with the Youngest Median Age | 0 | - | 4.97 | 64,621 |
| Countries in the Southern Hemisphere | 0 | - | 4.99 | 127,013 |
| Coffee Producing Countries | 0 | - | 4.83 | 68,176 |
| Countries with Shrinking Populations | 0 | - | 4.94 | 66,443 |
| Danube Countries | 0 | - | 4.97 | 72,395 |
| Countries With an "Ish" Demonym | 0 | - | 4.97 | 117,596 |
| Countries With an "Ese" Demonym | 0 | - | 4.97 | 86,846 |
| Countries with the Worst Passports | 0 | - | 4.93 | 85,133 |
| Countries with the Most Immigrants | 0 | - | 4.90 | 150,622 |
| European Landlocked Countries | 0 | - | 4.99 | 147,608 |
| Partially Recognized Countries | 0 | - | 4.98 | 107,305 |
| Countries with the Most Species | 0 | - | 4.99 | 103,567 |
| Countries 197 to 205 | 0 | - | 4.90 | 71,414 |
| Tropic of Cancer Countries | 0 | - | 4.97 | 53,776 |
| Tropic of Capricorn Countries | 0 | - | 4.96 | 47,888 |
| Countries that Use the Peso | 0 | - | 4.89 | 59,838 |
| Countries with the Largest Exclusive Economic Zone | 0 | - | 4.90 | 73,582 |
| Countries with a AAA Credit Rating | 0 | - | 4.86 | 58,021 |
| Countries in the Alps | 0 | - | 4.87 | 118,779 |
| Top Five Importing Partners by Country | 0 | - | 4.97 | 102,637 |
| Countries, Capitals, Currencies and Official Languages | 0 | - | 5.00 | 107,868 |
| Biggest Import Partners By Country | 0 | - | 4.99 | 78,968 |
| Southernmost Countries by Continent | 0 | - | 4.98 | 97,028 |
| Northernmost Countries by Continent | 0 | - | 4.98 | 116,962 |
| Countries by Population Growth, 1970–Present | 0 | - | 4.92 | 96,260 |
| Five Biggest Countries by Latitude | 0 | - | 4.97 | 101,409 |
| Five Biggest Countries by Longitude | 0 | - | 4.91 | 53,866 |
| Largest Country by Body of Water | 0 | - | 4.96 | 58,426 |
| Countries with the Most Container Port Traffic | 0 | - | 4.92 | 63,180 |
| Bridge and Tunnel Borders | 0 | - | 4.96 | 53,877 |
| Countries with the Longest Road Networks Quiz | 0 | - | 4.91 | 41,747 |
| Countries that Touch the Prime Meridian or Equator | 0 | - | 4.88 | 104,564 |
| Arctic Ocean Countries | 0 | - | 4.95 | 79,800 |
| Countries with the Most Grassland | 0 | - | 4.94 | 77,897 |
| All Countries by Area : Four at a Time | 0 | - | 5.00 | 119,846 |
| Countries with the Most Climate Zones | 0 | - | 4.96 | 68,617 |
| Countries that Host the Most Refugees | 0 | - | 4.96 | 71,862 |
| Countries of the World by Similar Area in 90 Seconds | 0 | - | 4.95 | 46,677 |
| All Countries of the World by Area with Hints | 0 | - | 4.97 | 245,725 |
| World Countries - Blind Typing | 0 | - | 5.00 | 109,161 |
| Countries in Their Own Alphabet | 0 | - | 4.95 | 48,508 |
| Largest Countries By Category | 0 | - | 4.97 | 158,871 |
| Countries by Countries | 0 | - | 4.96 | 63,646 |
| Country Flags with the Most White | 0 | - | 4.85 | 139,271 |
| Countries With the Northernmost Southernmost Point | 0 | - | 4.96 | 62,401 |
| Countries with the Southernmost Northernmost Point | 0 | - | 4.87 | 47,672 |
| All Countries by Population With a Map | 0 | - | 4.98 | 110,993 |
| Six Degrees of Separation - Countries #1 | 0 | - | 4.96 | 99,435 |
| Country Flags With Only Two Colors | 0 | - | 4.91 | 89,108 |
| Countries of Europe Quiz | 0 | - | 5.00 | 3,804,631 |
| Bordering Countries Beginning With the Same Letter | 0 | - | 4.99 | 140,297 |
| Can You Name These 50 Random Countries? | 0 | - | 4.98 | 218,971 |
| Top 50 Countries by Population - In Order | 0 | - | 4.98 | 335,427 |
| Spanish-Speaking Countries | 0 | - | 4.95 | 376,699 |
| Countries with the Most Tourists Quiz | 0 | - | 4.92 | 409,713 |
| Island Countries | 0 | - | 4.99 | 712,581 |
| Biggest Countries by Area | 0 | - | 5.00 | 1,054,778 |
| Northernmost Countries | 0 | - | 4.99 | 364,026 |
| Countries of South America | 0 | - | 5.00 | 932,725 |
| Countries of Oceania | 0 | - | 5.00 | 1,063,413 |
| Countries of Asia Quiz | 0 | - | 5.00 | 1,889,396 |
| Countries with J | 0 | - | 4.55 | 186,129 |
| Countries by Consonants | 0 | - | 4.42 | 78,937 |
| Countries of the World with an Empty Map | 0 | - | 5.00 | 3,393,757 |
| Countries More Populous Than Their Neighbors | 0 | - | 4.99 | 175,165 |
| Countries with Megacities | 0 | - | 4.99 | 267,135 |
| Countries With More than 50 Million People | 0 | - | 4.99 | 200,858 |
| Countries with the Most Population Growth by Decade | 0 | - | 4.98 | 114,134 |
| Countries With More than 200 Million People | 0 | - | 4.95 | 139,168 |
| Countries Less Populous Than Their Neighbors | 0 | - | 4.96 | 82,244 |
| Countries by Official Language | 0 | - | 4.95 | 196,006 |
| Countries with the Most Speakers of These Languages | 0 | - | 4.91 | 297,642 |
| Countries in their Native Language | 0 | - | 4.99 | 199,744 |
| Independence from Whom | 0 | - | 4.99 | 213,079 |
| Subdivisions by Country | 0 | - | 4.87 | 50,619 |
| Who Controlled These Colonies? | 0 | - | 4.88 | 133,449 |
| Megadiverse Countries | 0 | - | 4.96 | 135,283 |
| Countries With the Most English Speakers | 0 | - | 4.86 | 132,949 |
| Countries Producing the Most Sugarcane | 0 | - | 4.94 | 55,543 |
| Countries with Multiple Big Islands | 0 | - | 4.93 | 126,673 |
| Top 10 Wheat-Producing Countries | 0 | - | 4.89 | 75,232 |
| 15 Biggest Island Countries | 0 | - | 4.98 | 164,139 |
| Most Recently-Settled Countries | 0 | - | 4.94 | 62,857 |
| Countries of the World in 1938 Quiz | 0 | - | 4.95 | 95,118 |
| Countries Bigger Than Their Neighbors | 0 | - | 4.93 | 154,570 |
| Countries with Multiple Populous Islands | 0 | - | 4.89 | 96,051 |
| Countries in Relation to Cities #1 | 0 | - | 4.92 | 45,258 |
| Countries by Sports League Revenue | 0 | - | 4.94 | 78,539 |
| Landmarks of Countries #1 | 0 | - | 4.88 | 108,378 |
| Countries Furthest from the United States | 0 | - | 4.94 | 89,444 |
| Countries with the Highest HDI | 0 | - | 4.95 | 137,150 |
| Straight Shot to the Arctic Circle | 0 | - | 4.88 | 75,585 |
| Most Dispersed Island Nations | 0 | - | 4.97 | 71,859 |
| Countries of the World in Alphabetical Order | 0 | - | 5.00 | 112,367 |
| World Map Quiz | 0 | - | 4.81 | 65,734 |
| Recognized, Non-Recognized Countries, and Territories of the World | 0 | - | 5.00 | 159,277 |
| Smallest Countries with at Least One Border | 0 | - | 4.87 | 107,718 |
| Countries within the Arctic Circle - Map Quiz | 0 | - | 4.84 | 64,596 |
| Countries by Founding Story | 0 | - | 4.95 | 77,800 |
| Countries by Road Signs | 0 | - | 4.98 | 54,351 |
| Southernmost Countries of the World | 0 | - | 4.99 | 229,265 |
| Countries by Inland Surface Water | 0 | - | 4.93 | 106,087 |
| Top 20 Motor Vehicle Producing Countries | 0 | - | 4.91 | 123,568 |
| Countries With the Most Languages | 0 | - | 4.90 | 203,589 |
| Countries with the Highest Population Under Age 15 | 0 | - | 4.96 | 111,436 |
| Countries with the Highest Population 65 and Older | 0 | - | 4.90 | 94,539 |
| Countries with the Most Prisoners | 0 | - | 4.94 | 99,735 |
| Countries with the Most Domestic Camels | 0 | - | 4.94 | 61,693 |
| Tallest Countries North to South | 0 | - | 4.86 | 130,728 |
| Widest Countries East to West | 0 | - | 4.92 | 130,464 |
| Countries with the Highest Average Elevation | 0 | - | 4.98 | 71,600 |
| Largest Countries by Area or Population | 0 | - | 5.00 | 187,265 |
| Countries with the Most Area in the Southern Hemisphere | 0 | - | 4.99 | 98,520 |
| Most Populous Countries as a Percent of Their Continent | 0 | - | 4.97 | 95,070 |
| Largest Countries as a Percent of Continent | 0 | - | 4.97 | 148,977 |
| Countries with the Most Desert | 0 | - | 4.93 | 128,490 |
| 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 | 157,518 |
| City to Country Quiz #3 | 0 | - | 4.88 | 120,005 |
| 45 European Countries, 45 Cities | 0 | - | 4.95 | 79,457 |
| Five Biggest Countries by Continent | 0 | - | 4.99 | 250,444 |
| Five Poorest Countries by Continent | 0 | - | 4.93 | 201,149 |
| Five Least Populated Countries by Continent | 0 | - | 4.95 | 143,438 |
| Five Smallest Countries by Continent | 0 | - | 4.98 | 164,270 |
| First Five Countries Alphabetically by Continent | 0 | - | 4.94 | 225,986 |
| Last Five Countries Alphabetically by Continent | 0 | - | 4.98 | 153,218 |
| Five Northernmost Capital Cities by Continent | 0 | - | 4.89 | 71,239 |
| Top 10 Countries in Nuclear Power Production | 0 | - | 4.95 | 86,832 |
| 10 Northernmost Countries That Start with S | 0 | - | 4.94 | 63,248 |
| Biggest Countries by Population | 0 | - | 5.00 | 1,454,175 |
| Smallest Countries by Population and Area | 0 | - | 4.99 | 382,503 |
| One Border Countries | 0 | - | 4.98 | 471,963 |
| Top 15 Most Populous Countries Ending in "IA" | 0 | - | 4.77 | 116,132 |
| 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 | 42,373 |
| Countries by Borders in 90 Seconds | 0 | - | 4.99 | 3,848,967 |
| Countries by First Two Letters in 90 Seconds | 0 | - | 4.98 | 5,653,242 |
| Five Most Densely Populated Countries by Continent | 0 | - | 4.96 | 87,327 |
| Five Most Populated Countries by Continent | 0 | - | 4.99 | 269,045 |
| Most Populous Countries with Exceptions | 0 | - | 4.98 | 122,663 |
| Top 10 Most Densely-Populated Countries in Europe | 0 | - | 4.98 | 112,904 |
| Five Least Densely Populated Countries by Continent | 0 | - | 4.90 | 94,219 |
| Countries by Population Range - Tile Select | 0 | - | 4.87 | 59,614 |
| Countries by National Anthem | 0 | - | 4.92 | 71,409 |
| NATO Countries | 0 | - | 4.98 | 283,453 |
| EU Countries Quiz | 0 | - | 4.99 | 277,940 |
| Recently Independent Countries | 0 | - | 4.98 | 160,358 |
| French-Speaking Countries | 0 | - | 4.85 | 271,687 |
| Natural Features of Countries #1 | 0 | - | 4.87 | 84,046 |
