| "Land" Countries | 0 | - | 4.98 | 333,406 |
| Countries with Double Letters | 0 | - | 4.97 | 93,209 |
| Countries that End in N | 0 | - | 4.94 | 156,277 |
| Countries with Five Letters Quiz | 0 | - | 4.96 | 258,469 |
| Countries with Six Letters | 0 | - | 4.93 | 210,170 |
| Countries with W | 0 | - | 4.97 | 158,088 |
| Countries with Z | 0 | - | 4.98 | 287,308 |
| Countries with Letters Missing | 0 | - | 4.97 | 184,423 |
| Countries That End in U | 0 | - | 4.95 | 119,440 |
| Top 20 Longest One-Word Country Names | 0 | - | 4.98 | 132,320 |
| Countries that End in O | 0 | - | 4.92 | 158,473 |
| Countries that End in R | 0 | - | 4.86 | 118,197 |
| Country Names Created by Only 4 Letters | 0 | - | 4.99 | 154,806 |
| Countries Ending in "IA" | 0 | - | 4.99 | 206,854 |
| Countries by First and Last Letter #1 | 0 | - | 4.97 | 169,178 |
| Countries by Last Two Letters | 0 | - | 4.85 | 134,374 |
| Countries by First and Last Letter #2 | 0 | - | 4.96 | 140,565 |
| Countries That End in Y | 0 | - | 4.90 | 185,147 |
| Countries Based on First Two Letters #1 | 0 | - | 4.99 | 196,170 |
| Countries with Cardinal Directions in Their Names | 0 | - | 4.92 | 151,541 |
| Countries that End in I | 0 | - | 4.94 | 134,296 |
| Countries Based on First Two Letters #2 | 0 | - | 4.99 | 182,006 |
| Countries by Initial Letter and Length #1 | 0 | - | 4.98 | 95,136 |
| Countries That End in NIA | 0 | - | 4.92 | 108,926 |
| Countries That End in BIA | 0 | - | 4.92 | 147,605 |
| Countries by Initial Letter and Continent #1 | 0 | - | 4.94 | 165,962 |
| Countries Whose Names Start with Saint | 0 | - | 4.87 | 118,392 |
| Countries That End in RIA | 0 | - | 4.93 | 126,004 |
| Most Common Words in Official Country Names | 0 | - | 4.85 | 109,913 |
| Divided Country Name Puzzle #1 | 0 | - | 4.99 | 224,954 |
| Divided Country Name Puzzle #2 | 0 | - | 4.99 | 132,421 |
| Divided Country Name Puzzle #3 | 0 | - | 4.92 | 124,799 |
| Groups of Countries that Start with the Same 3 Letters | 0 | - | 5.00 | 90,232 |
| Add A Letter - Make a Country | 0 | - | 4.82 | 73,866 |
| Countries With One Word and Three A's | 0 | - | 4.92 | 52,019 |
| Countries with a Unique Last Letter | 0 | - | 4.90 | 102,544 |
| Unique Starting Letter - Countries by Continent | 0 | - | 4.98 | 124,384 |
| Countries that are Free from U.S.A. | 0 | - | 4.89 | 48,767 |
| Countries with the Word "And" | 0 | - | 4.99 | 116,008 |
| Countries Containing Two or More Words | 0 | - | 4.96 | 52,679 |
| Countries that End in L | 0 | - | 4.94 | 155,635 |
| "Stan" Countries Quiz | 0 | - | 4.97 | 210,638 |
| Countries Ending with "An", but not "Stan" | 0 | - | 4.98 | 84,965 |
| Countries of the World Quiz | 0 | - | 5.00 | 46,848,236 |
| Landlocked Countries | 0 | - | 4.99 | 412,846 |
| Countries with Four Letters | 0 | - | 4.99 | 418,010 |
| Countries of Europe Quiz | 0 | - | 5.00 | 3,709,422 |
| Sahara Desert Countries | 0 | - | 4.98 | 160,219 |
| Himalayan Countries | 0 | - | 4.95 | 135,043 |
| Andean Countries | 0 | - | 4.94 | 82,655 |
| Countries with the Youngest Median Age | 0 | - | 4.97 | 62,077 |
| Countries in the Southern Hemisphere | 0 | - | 4.99 | 122,977 |
| Coffee Producing Countries | 0 | - | 4.81 | 65,750 |
| Countries with Shrinking Populations | 0 | - | 4.93 | 64,455 |
| Danube Countries | 0 | - | 4.97 | 70,989 |
| Countries With an "Ish" Demonym | 0 | - | 4.98 | 115,633 |
| Countries With an "Ese" Demonym | 0 | - | 4.97 | 85,450 |
| Countries with the Worst Passports | 0 | - | 4.93 | 82,279 |
| Countries with the Most Immigrants | 0 | - | 4.90 | 147,190 |
| European Landlocked Countries | 0 | - | 4.99 | 145,662 |
| Partially Recognized Countries | 0 | - | 4.98 | 105,043 |
| Countries with the Most Species | 0 | - | 4.99 | 95,184 |
| Countries 197 to 205 | 0 | - | 4.89 | 69,187 |
| Tropic of Cancer Countries | 0 | - | 4.97 | 53,173 |
| Tropic of Capricorn Countries | 0 | - | 4.96 | 47,331 |
| Countries that Use the Peso | 0 | - | 4.87 | 58,907 |
| Countries with the Largest Exclusive Economic Zone | 0 | - | 4.89 | 72,507 |
| Countries with a AAA Credit Rating | 0 | - | 4.85 | 56,862 |
| Countries in the Alps | 0 | - | 4.87 | 116,678 |
| Top Five Importing Partners by Country | 0 | - | 4.97 | 94,464 |
| Countries, Capitals, Currencies and Official Languages | 0 | - | 5.00 | 105,060 |
| Biggest Import Partners By Country | 0 | - | 4.99 | 77,935 |
| Southernmost Countries by Continent | 0 | - | 4.98 | 95,317 |
| Northernmost Countries by Continent | 0 | - | 4.98 | 115,061 |
| Countries by Population Growth, 1970–Present | 0 | - | 4.91 | 94,933 |
| Five Biggest Countries by Latitude | 0 | - | 4.97 | 99,466 |
| Five Biggest Countries by Longitude | 0 | - | 4.91 | 52,682 |
| Largest Country by Body of Water | 0 | - | 4.95 | 55,248 |
| Countries with the Most Container Port Traffic | 0 | - | 4.92 | 61,964 |
| Bridge and Tunnel Borders | 0 | - | 4.96 | 53,164 |
| Countries with the Longest Road Networks Quiz | 0 | - | 4.90 | 40,994 |
| Countries that Touch the Prime Meridian or Equator | 0 | - | 4.88 | 103,357 |
| Arctic Ocean Countries | 0 | - | 4.95 | 78,667 |
| Countries with the Most Grassland | 0 | - | 4.93 | 76,670 |
| All Countries by Area : Four at a Time | 0 | - | 5.00 | 116,853 |
| Countries with the Most Climate Zones | 0 | - | 4.96 | 67,563 |
| Countries that Host the Most Refugees | 0 | - | 4.95 | 59,198 |
| Countries of the World by Similar Area in 90 Seconds | 0 | - | 4.95 | 44,659 |
| All Countries of the World by Area with Hints | 0 | - | 4.97 | 238,810 |
| World Countries - Blind Typing | 0 | - | 5.00 | 105,351 |
| Countries in Their Own Alphabet | 0 | - | 4.95 | 47,533 |
| Largest Countries By Category | 0 | - | 4.97 | 156,601 |
| Countries by Countries | 0 | - | 4.96 | 62,159 |
| Country Flags with the Most White | 0 | - | 4.87 | 137,203 |
| Countries With the Northernmost Southernmost Point | 0 | - | 4.96 | 61,930 |
| Countries with the Southernmost Northernmost Point | 0 | - | 4.87 | 47,306 |
| All Countries by Population With a Map | 0 | - | 4.98 | 106,371 |
| Six Degrees of Separation - Countries #1 | 0 | - | 4.96 | 97,995 |
| Country Flags With Only Two Colors | 0 | - | 4.92 | 87,648 |
| Bordering Countries Beginning With the Same Letter | 0 | - | 4.99 | 138,806 |
| Can You Name These 50 Random Countries? | 0 | - | 4.98 | 213,467 |
| Top 50 Countries by Population - In Order | 0 | - | 4.98 | 322,977 |
| Spanish-Speaking Countries | 0 | - | 4.95 | 371,813 |
| Countries with the Most Tourists Quiz | 0 | - | 4.92 | 400,968 |
| Island Countries | 0 | - | 4.99 | 707,218 |
| Biggest Countries by Area | 0 | - | 4.99 | 1,038,282 |
| Northernmost Countries | 0 | - | 4.99 | 357,217 |
| Countries of South America | 0 | - | 5.00 | 913,309 |
| Countries of Oceania | 0 | - | 5.00 | 1,038,511 |
| Countries of Asia Quiz | 0 | - | 5.00 | 1,845,004 |
| Countries of the World with an Empty Map | 0 | - | 5.00 | 3,359,938 |
| Countries with J | 0 | - | 4.54 | 184,166 |
| Countries by Consonants | 0 | - | 4.42 | 78,173 |
| Countries More Populous Than Their Neighbors | 0 | - | 4.99 | 170,851 |
| Countries with Megacities | 0 | - | 4.99 | 246,149 |
| Countries With More than 50 Million People | 0 | - | 4.99 | 196,770 |
| Countries with the Most Population Growth by Decade | 0 | - | 4.98 | 111,727 |
| Countries With More than 200 Million People | 0 | - | 4.96 | 135,236 |
| Countries Less Populous Than Their Neighbors | 0 | - | 4.96 | 79,663 |
| Countries by Official Language | 0 | - | 4.95 | 192,579 |
| Countries with the Most Speakers of These Languages | 0 | - | 4.91 | 292,852 |
| Countries in their Native Language | 0 | - | 4.99 | 196,457 |
| Independence from Whom | 0 | - | 4.99 | 209,446 |
| Subdivisions by Country | 0 | - | 4.86 | 50,032 |
| Who Controlled These Colonies? | 0 | - | 4.88 | 130,579 |
| Megadiverse Countries | 0 | - | 4.97 | 133,829 |
| Countries With the Most English Speakers | 0 | - | 4.86 | 129,641 |
| Countries Producing the Most Sugarcane | 0 | - | 4.95 | 54,875 |
| Countries with Multiple Big Islands | 0 | - | 4.93 | 125,370 |
| Top 10 Wheat-Producing Countries | 0 | - | 4.89 | 74,832 |
| 15 Biggest Island Countries | 0 | - | 4.98 | 161,530 |
| Most Recently-Settled Countries | 0 | - | 4.94 | 61,937 |
| Countries of the World in 1938 Quiz | 0 | - | 4.95 | 92,585 |
| Countries Bigger Than Their Neighbors | 0 | - | 4.93 | 153,058 |
| Countries with Multiple Populous Islands | 0 | - | 4.89 | 95,173 |
| Countries in Relation to Cities #1 | 0 | - | 4.92 | 44,711 |
| Countries by Sports League Revenue | 0 | - | 4.94 | 75,366 |
| Landmarks of Countries #1 | 0 | - | 4.88 | 107,359 |
| Countries Furthest from the United States | 0 | - | 4.94 | 88,423 |
| Countries with the Highest HDI | 0 | - | 4.95 | 136,441 |
| Straight Shot to the Arctic Circle | 0 | - | 4.88 | 74,600 |
| Most Dispersed Island Nations | 0 | - | 4.96 | 70,978 |
| Countries of the World in Alphabetical Order | 0 | - | 5.00 | 108,329 |
| World Map Quiz | 0 | - | 4.81 | 63,350 |
| Recognized, Non-Recognized Countries, and Territories of the World | 0 | - | 5.00 | 152,190 |
| Smallest Countries with at Least One Border | 0 | - | 4.87 | 106,212 |
| Countries within the Arctic Circle - Map Quiz | 0 | - | 4.84 | 62,998 |
| Countries by Founding Story | 0 | - | 4.95 | 76,441 |
| Countries by Road Signs | 0 | - | 4.98 | 52,969 |
| Southernmost Countries of the World | 0 | - | 4.99 | 226,142 |
| Countries by Inland Surface Water | 0 | - | 4.94 | 103,874 |
| Top 20 Motor Vehicle Producing Countries | 0 | - | 4.91 | 121,845 |
| Countries With the Most Languages | 0 | - | 4.90 | 199,492 |
| Countries with the Highest Population Under Age 15 | 0 | - | 4.95 | 109,757 |
| Countries with the Highest Population 65 and Older | 0 | - | 4.89 | 92,956 |
| Countries with the Most Prisoners | 0 | - | 4.94 | 98,166 |
| Countries with the Most Domestic Camels | 0 | - | 4.94 | 60,875 |
| Tallest Countries North to South | 0 | - | 4.83 | 119,249 |
| Widest Countries East to West | 0 | - | 4.92 | 128,515 |
| Countries with the Highest Average Elevation | 0 | - | 4.98 | 71,191 |
| Largest Countries by Area or Population | 0 | - | 5.00 | 185,073 |
| Countries with the Most Area in the Southern Hemisphere | 0 | - | 4.99 | 97,519 |
| Most Populous Countries as a Percent of Their Continent | 0 | - | 4.97 | 93,620 |
| Largest Countries as a Percent of Continent | 0 | - | 4.97 | 147,515 |
| Countries with the Most Desert | 0 | - | 4.93 | 126,944 |
| Countries by Contribution to UN Budget | 0 | - | 4.86 | 69,031 |
| Countries with Most Nobel Laureates per Capita | 0 | - | 4.84 | 34,551 |
| Countries With the Tallest People | 0 | - | 4.91 | 94,465 |
| City to Country Quiz #1 | 0 | - | 4.97 | 155,450 |
| City to Country Quiz #3 | 0 | - | 4.88 | 118,216 |
| 45 European Countries, 45 Cities | 0 | - | 4.95 | 78,363 |
| Five Biggest Countries by Continent | 0 | - | 4.99 | 246,152 |
| Five Poorest Countries by Continent | 0 | - | 4.93 | 198,927 |
| Five Least Populated Countries by Continent | 0 | - | 4.96 | 125,821 |
| Five Smallest Countries by Continent | 0 | - | 4.98 | 162,046 |
| First Five Countries Alphabetically by Continent | 0 | - | 4.93 | 223,235 |
| Last Five Countries Alphabetically by Continent | 0 | - | 4.98 | 151,427 |
| Five Northernmost Capital Cities by Continent | 0 | - | 4.89 | 70,563 |
| Top 15 Countries that Produce the Most Tea | 0 | - | 4.81 | 108,143 |
| Top 10 Countries in Nuclear Power Production | 0 | - | 4.95 | 86,389 |
| 10 Northernmost Countries That Start with S | 0 | - | 4.94 | 62,255 |
| Biggest Countries by Population | 0 | - | 5.00 | 1,433,413 |
| Smallest Countries by Population and Area | 0 | - | 4.99 | 376,998 |
| One Border Countries | 0 | - | 4.98 | 463,544 |
| Countries by Borders in 90 Seconds | 0 | - | 4.99 | 3,797,211 |
| Countries by First Two Letters in 90 Seconds | 0 | - | 4.98 | 5,583,287 |
| Top 15 Most Populous Countries Ending in "IA" | 0 | - | 4.74 | 99,368 |
| Every Country in its Official/Native Language | 0 | - | 4.98 | 24,568 |
| Most Similar Country Names | 0 | - | 4.16 | 46,267 |
| Longest Country Name A-Z | 0 | - | 4.33 | 41,693 |
| Five Most Densely Populated Countries by Continent | 0 | - | 4.95 | 85,716 |
| Five Most Populated Countries by Continent | 0 | - | 4.99 | 265,666 |
| Most Populous Countries with Exceptions | 0 | - | 4.98 | 120,742 |
| Top 10 Most Densely-Populated Countries in Europe | 0 | - | 4.98 | 111,391 |
| Five Least Densely Populated Countries by Continent | 0 | - | 4.92 | 92,479 |
| Countries by Population Range - Tile Select | 0 | - | 4.87 | 58,143 |
| Countries by National Anthem | 0 | - | 4.92 | 70,997 |
| NATO Countries | 0 | - | 4.98 | 275,068 |
| EU Countries Quiz | 0 | - | 4.99 | 269,392 |
| Recently Independent Countries | 0 | - | 4.98 | 157,854 |
