| "Land" Countries | 0 | - | 4.98 | 339,154 |
| Countries with Double Letters | 0 | - | 4.96 | 97,754 |
| Countries that End in N | 0 | - | 4.95 | 172,758 |
| Countries with Five Letters | 0 | - | 4.96 | 284,814 |
| Countries with Six Letters | 0 | - | 4.94 | 215,090 |
| Countries with W | 0 | - | 4.96 | 161,409 |
| Countries with Z | 0 | - | 4.98 | 293,151 |
| Countries with Letters Missing | 0 | - | 4.96 | 187,780 |
| Countries That End in U | 0 | - | 4.95 | 121,448 |
| Top 20 Longest One-Word Country Names | 0 | - | 4.97 | 135,533 |
| Countries that End in O | 0 | - | 4.92 | 160,421 |
| Countries that End in R | 0 | - | 4.87 | 119,312 |
| Country Names Created by Only 4 Letters | 0 | - | 4.99 | 156,084 |
| Countries Ending in "IA" | 0 | - | 4.99 | 210,245 |
| Countries by First and Last Letter #1 | 0 | - | 4.97 | 187,516 |
| Countries by Last Two Letters | 0 | - | 4.85 | 136,291 |
| Countries by First and Last Letter #2 | 0 | - | 4.96 | 143,959 |
| Countries That End in Y | 0 | - | 4.91 | 186,199 |
| Countries Based on First Two Letters #1 | 0 | - | 4.99 | 199,494 |
| Countries with Cardinal Directions in Their Names | 0 | - | 4.92 | 153,473 |
| Countries that End in I | 0 | - | 4.94 | 135,460 |
| Countries Based on First Two Letters #2 | 0 | - | 4.99 | 185,435 |
| Countries by Initial Letter and Length #1 | 0 | - | 4.98 | 96,177 |
| Countries That End in NIA | 0 | - | 4.92 | 110,189 |
| Countries That End in BIA | 0 | - | 4.93 | 149,787 |
| Countries by Initial Letter and Continent #1 | 0 | - | 4.94 | 167,999 |
| Countries Whose Names Start with Saint | 0 | - | 4.88 | 119,943 |
| Countries That End in RIA | 0 | - | 4.93 | 127,192 |
| Most Common Words in Official Country Names | 0 | - | 4.85 | 111,588 |
| Divided Country Name Puzzle #1 | 0 | - | 4.99 | 229,057 |
| Divided Country Name Puzzle #2 | 0 | - | 4.99 | 134,449 |
| Divided Country Name Puzzle #3 | 0 | - | 4.92 | 126,915 |
| Groups of Countries that Start with the Same 3 Letters | 0 | - | 5.00 | 92,475 |
| Add A Letter - Make a Country | 0 | - | 4.81 | 74,951 |
| Countries With One Word and Three A's | 0 | - | 4.92 | 53,510 |
| Countries with a Unique Last Letter | 0 | - | 4.90 | 103,621 |
| Unique Starting Letter - Countries by Continent | 0 | - | 4.98 | 126,106 |
| Countries that are Free from U.S.A. | 0 | - | 4.89 | 49,762 |
| Countries with the Word "And" | 0 | - | 4.99 | 117,960 |
| Countries Containing Two or More Words | 0 | - | 4.97 | 54,673 |
| Countries that End in L | 0 | - | 4.94 | 157,289 |
| "Stan" Countries Quiz | 0 | - | 4.97 | 218,787 |
| Countries Ending with "An", but not "Stan" | 0 | - | 4.98 | 85,390 |
| Landlocked Countries | 0 | - | 4.99 | 427,642 |
| Countries of the World Quiz | 0 | - | 5.00 | 48,001,490 |
| Countries with Four Letters | 0 | - | 4.99 | 426,657 |
| Sahara Desert Countries | 0 | - | 4.98 | 167,108 |
| Himalayan Countries | 0 | - | 4.93 | 140,992 |
| Andean Countries | 0 | - | 4.94 | 85,885 |
| Countries with the Youngest Median Age | 0 | - | 4.97 | 64,995 |
| Countries in the Southern Hemisphere | 0 | - | 4.99 | 127,611 |
| Coffee Producing Countries | 0 | - | 4.83 | 68,544 |
| Countries with Shrinking Populations | 0 | - | 4.94 | 66,746 |
| Danube Countries | 0 | - | 4.97 | 72,602 |
| Countries With an "Ish" Demonym | 0 | - | 4.97 | 117,867 |
| Countries With an "Ese" Demonym | 0 | - | 4.97 | 87,008 |
| Countries with the Worst Passports | 0 | - | 4.93 | 85,519 |
| Countries with the Most Immigrants | 0 | - | 4.90 | 150,992 |
| European Landlocked Countries | 0 | - | 4.99 | 147,811 |
| Partially Recognized Countries | 0 | - | 4.98 | 107,596 |
| Countries with the Most Species | 0 | - | 4.99 | 103,667 |
| Countries 197 to 205 | 0 | - | 4.90 | 71,700 |
| Tropic of Cancer Countries | 0 | - | 4.97 | 53,827 |
| Tropic of Capricorn Countries | 0 | - | 4.96 | 47,969 |
| Countries that Use the Peso | 0 | - | 4.89 | 59,950 |
| Countries with the Largest Exclusive Economic Zone | 0 | - | 4.90 | 73,703 |
| Countries with a AAA Credit Rating | 0 | - | 4.86 | 58,168 |
| Countries in the Alps | 0 | - | 4.87 | 119,039 |
| Top Five Importing Partners by Country | 0 | - | 4.97 | 103,104 |
| Countries, Capitals, Currencies and Official Languages | 0 | - | 5.00 | 108,245 |
| Biggest Import Partners By Country | 0 | - | 4.99 | 79,090 |
| Southernmost Countries by Continent | 0 | - | 4.98 | 97,213 |
| Northernmost Countries by Continent | 0 | - | 4.98 | 117,184 |
| Countries by Population Growth, 1970–Present | 0 | - | 4.92 | 96,420 |
| Five Biggest Countries by Latitude | 0 | - | 4.97 | 101,637 |
| Five Biggest Countries by Longitude | 0 | - | 4.91 | 54,030 |
| Largest Country by Body of Water | 0 | - | 4.96 | 58,534 |
| Countries with the Most Container Port Traffic | 0 | - | 4.92 | 63,348 |
| Bridge and Tunnel Borders | 0 | - | 4.96 | 53,975 |
| Countries with the Longest Road Networks Quiz | 0 | - | 4.91 | 41,849 |
| Countries that Touch the Prime Meridian or Equator | 0 | - | 4.88 | 104,701 |
| Arctic Ocean Countries | 0 | - | 4.95 | 79,956 |
| Countries with the Most Grassland | 0 | - | 4.94 | 78,059 |
| All Countries by Area : Four at a Time | 0 | - | 5.00 | 120,236 |
| Countries with the Most Climate Zones | 0 | - | 4.96 | 68,766 |
| Countries that Host the Most Refugees | 0 | - | 4.96 | 76,737 |
| Countries of the World by Similar Area in 90 Seconds | 0 | - | 4.95 | 46,885 |
| All Countries of the World by Area with Hints | 0 | - | 4.97 | 246,526 |
| World Countries - Blind Typing | 0 | - | 5.00 | 109,619 |
| Countries in Their Own Alphabet | 0 | - | 4.95 | 48,639 |
| Largest Countries By Category | 0 | - | 4.97 | 159,164 |
| Countries by Countries | 0 | - | 4.97 | 63,847 |
| Country Flags with the Most White | 0 | - | 4.85 | 139,513 |
| Countries With the Northernmost Southernmost Point | 0 | - | 4.96 | 62,457 |
| Countries with the Southernmost Northernmost Point | 0 | - | 4.87 | 47,716 |
| All Countries by Population With a Map | 0 | - | 4.98 | 111,607 |
| Six Degrees of Separation - Countries #1 | 0 | - | 4.96 | 99,596 |
| Country Flags With Only Two Colors | 0 | - | 4.91 | 89,277 |
| Countries of Europe Quiz | 0 | - | 5.00 | 3,815,184 |
| Bordering Countries Beginning With the Same Letter | 0 | - | 4.99 | 140,428 |
| Can You Name These 50 Random Countries? | 0 | - | 4.98 | 219,656 |
| Top 50 Countries by Population - In Order | 0 | - | 4.98 | 336,968 |
| Spanish-Speaking Countries | 0 | - | 4.95 | 377,149 |
| Countries with the Most Tourists Quiz | 0 | - | 4.92 | 410,596 |
| Island Countries | 0 | - | 4.99 | 713,164 |
| Biggest Countries by Area | 0 | - | 5.00 | 1,056,648 |
| Northernmost Countries | 0 | - | 4.99 | 364,798 |
| Countries of South America | 0 | - | 5.00 | 934,823 |
| Countries of Oceania | 0 | - | 5.00 | 1,066,169 |
| Countries of Asia Quiz | 0 | - | 5.00 | 1,894,424 |
| Countries with J | 0 | - | 4.55 | 186,455 |
| Countries by Consonants | 0 | - | 4.42 | 79,015 |
| Countries of the World with an Empty Map | 0 | - | 5.00 | 3,398,287 |
| Countries More Populous Than Their Neighbors | 0 | - | 4.99 | 175,628 |
| Countries with Megacities | 0 | - | 4.99 | 268,125 |
| Countries With More than 50 Million People | 0 | - | 4.99 | 201,280 |
| Countries with the Most Population Growth by Decade | 0 | - | 4.98 | 114,402 |
| Countries With More than 200 Million People | 0 | - | 4.95 | 139,609 |
| Countries Less Populous Than Their Neighbors | 0 | - | 4.96 | 82,511 |
| Countries by Official Language | 0 | - | 4.95 | 196,314 |
| Countries with the Most Speakers of These Languages | 0 | - | 4.91 | 298,066 |
| Countries in their Native Language | 0 | - | 4.99 | 200,027 |
| Independence from Whom | 0 | - | 4.99 | 213,518 |
| Subdivisions by Country | 0 | - | 4.87 | 50,682 |
| Who Controlled These Colonies? | 0 | - | 4.88 | 133,744 |
| Megadiverse Countries | 0 | - | 4.96 | 149,700 |
| Countries With the Most English Speakers | 0 | - | 4.86 | 133,207 |
| Countries Producing the Most Sugarcane | 0 | - | 4.94 | 55,593 |
| Countries with Multiple Big Islands | 0 | - | 4.93 | 126,839 |
| Top 10 Wheat-Producing Countries | 0 | - | 4.89 | 75,271 |
| 15 Biggest Island Countries | 0 | - | 4.98 | 164,534 |
| Most Recently-Settled Countries | 0 | - | 4.94 | 62,952 |
| Countries of the World in 1938 Quiz | 0 | - | 4.95 | 95,369 |
| Countries Bigger Than Their Neighbors | 0 | - | 4.93 | 154,650 |
| Countries with Multiple Populous Islands | 0 | - | 4.89 | 96,202 |
| Countries in Relation to Cities #1 | 0 | - | 4.92 | 45,299 |
| Countries by Sports League Revenue | 0 | - | 4.95 | 78,875 |
| Landmarks of Countries #1 | 0 | - | 4.89 | 108,515 |
| Countries Furthest from the United States | 0 | - | 4.94 | 89,528 |
| Countries with the Highest HDI | 0 | - | 4.95 | 137,243 |
| Straight Shot to the Arctic Circle | 0 | - | 4.88 | 75,667 |
| Most Dispersed Island Nations | 0 | - | 4.96 | 72,007 |
| Countries of the World in Alphabetical Order | 0 | - | 5.00 | 112,871 |
| World Map Quiz | 0 | - | 4.81 | 65,976 |
| Recognized, Non-Recognized Countries, and Territories of the World | 0 | - | 5.00 | 160,135 |
| Smallest Countries with at Least One Border | 0 | - | 4.88 | 107,854 |
| Countries within the Arctic Circle - Map Quiz | 0 | - | 4.84 | 64,790 |
| Countries by Founding Story | 0 | - | 4.95 | 77,944 |
| Countries by Road Signs | 0 | - | 4.98 | 54,490 |
| Southernmost Countries of the World | 0 | - | 4.99 | 229,609 |
| Countries by Inland Surface Water | 0 | - | 4.93 | 106,283 |
| Top 20 Motor Vehicle Producing Countries | 0 | - | 4.91 | 123,756 |
| Countries With the Most Languages | 0 | - | 4.90 | 204,039 |
| Countries with the Highest Population Under Age 15 | 0 | - | 4.96 | 111,611 |
| Countries with the Highest Population 65 and Older | 0 | - | 4.90 | 94,723 |
| Countries with the Most Prisoners | 0 | - | 4.94 | 99,899 |
| Countries with the Most Domestic Camels | 0 | - | 4.94 | 61,783 |
| Tallest Countries North to South | 0 | - | 4.85 | 131,007 |
| Widest Countries East to West | 0 | - | 4.92 | 130,901 |
| Countries with the Highest Average Elevation | 0 | - | 4.98 | 71,637 |
| Largest Countries by Area or Population | 0 | - | 5.00 | 187,461 |
| Countries with the Most Area in the Southern Hemisphere | 0 | - | 4.99 | 98,583 |
| Most Populous Countries as a Percent of Their Continent | 0 | - | 4.97 | 95,193 |
| Largest Countries as a Percent of Continent | 0 | - | 4.97 | 149,413 |
| Countries with the Most Desert | 0 | - | 4.93 | 128,646 |
| Countries by Contribution to UN Budget | 0 | - | 4.88 | 77,547 |
| Countries with Most Nobel Laureates per Capita | 0 | - | 4.83 | 34,934 |
| City to Country Quiz #1 | 0 | - | 4.96 | 157,917 |
| City to Country Quiz #3 | 0 | - | 4.88 | 120,182 |
| 45 European Countries, 45 Cities | 0 | - | 4.95 | 79,566 |
| Five Biggest Countries by Continent | 0 | - | 4.99 | 250,745 |
| Five Poorest Countries by Continent | 0 | - | 4.93 | 201,376 |
| Five Least Populated Countries by Continent | 0 | - | 4.95 | 143,563 |
| Five Smallest Countries by Continent | 0 | - | 4.98 | 164,464 |
| First Five Countries Alphabetically by Continent | 0 | - | 4.94 | 226,253 |
| Last Five Countries Alphabetically by Continent | 0 | - | 4.98 | 153,357 |
| Five Northernmost Capital Cities by Continent | 0 | - | 4.89 | 71,309 |
| Top 15 Countries that Produce the Most Tea | 0 | - | 4.81 | 108,982 |
| Top 10 Countries in Nuclear Power Production | 0 | - | 4.95 | 86,893 |
| 10 Northernmost Countries That Start with S | 0 | - | 4.94 | 63,388 |
| Biggest Countries by Population | 0 | - | 5.00 | 1,456,711 |
| Smallest Countries by Population and Area | 0 | - | 4.99 | 383,164 |
| One Border Countries | 0 | - | 4.98 | 472,814 |
| Top 15 Most Populous Countries Ending in "IA" | 0 | - | 4.77 | 116,283 |
| Every Country in its Official/Native Language | 0 | - | 4.98 | 25,780 |
| Most Similar Country Names | 0 | - | 4.16 | 46,730 |
| Longest Country Name A-Z | 0 | - | 4.32 | 42,449 |
| Countries by Borders in 90 Seconds | 0 | - | 4.99 | 3,855,217 |
| Countries by First Two Letters in 90 Seconds | 0 | - | 4.98 | 5,662,103 |
| Five Most Densely Populated Countries by Continent | 0 | - | 4.96 | 87,504 |
| Five Most Populated Countries by Continent | 0 | - | 4.99 | 269,603 |
| Most Populous Countries with Exceptions | 0 | - | 4.98 | 122,886 |
| Top 10 Most Densely-Populated Countries in Europe | 0 | - | 4.98 | 113,194 |
| Five Least Densely Populated Countries by Continent | 0 | - | 4.91 | 94,414 |
| Countries by Population Range - Tile Select | 0 | - | 4.87 | 59,759 |
| Countries by National Anthem | 0 | - | 4.92 | 71,448 |
| NATO Countries | 0 | - | 4.98 | 284,229 |
| EU Countries Quiz | 0 | - | 4.99 | 279,146 |
| Recently Independent Countries | 0 | - | 4.98 | 160,573 |
| French-Speaking Countries | 0 | - | 4.85 | 271,979 |
