| "Land" Countries | 0 | - | 4.98 | 334,077 |
| Countries with Double Letters | 0 | - | 4.96 | 93,667 |
| Countries that End in N | 0 | - | 4.94 | 157,135 |
| Countries with Five Letters Quiz | 0 | - | 4.96 | 259,021 |
| Countries with Six Letters | 0 | - | 4.93 | 210,680 |
| Countries with W | 0 | - | 4.97 | 158,417 |
| Countries with Z | 0 | - | 4.98 | 288,227 |
| Countries with Letters Missing | 0 | - | 4.97 | 184,750 |
| Countries That End in U | 0 | - | 4.95 | 119,610 |
| Top 20 Longest One-Word Country Names | 0 | - | 4.98 | 132,863 |
| Countries that End in O | 0 | - | 4.92 | 158,655 |
| Countries that End in R | 0 | - | 4.87 | 118,375 |
| Country Names Created by Only 4 Letters | 0 | - | 4.99 | 154,933 |
| Countries Ending in "IA" | 0 | - | 4.99 | 207,400 |
| Countries by First and Last Letter #1 | 0 | - | 4.97 | 169,550 |
| Countries by Last Two Letters | 0 | - | 4.85 | 134,642 |
| Countries by First and Last Letter #2 | 0 | - | 4.96 | 141,196 |
| Countries That End in Y | 0 | - | 4.90 | 185,284 |
| Countries Based on First Two Letters #1 | 0 | - | 4.99 | 196,614 |
| Countries with Cardinal Directions in Their Names | 0 | - | 4.92 | 151,892 |
| Countries that End in I | 0 | - | 4.94 | 134,540 |
| Countries Based on First Two Letters #2 | 0 | - | 4.99 | 182,461 |
| Countries by Initial Letter and Length #1 | 0 | - | 4.98 | 95,298 |
| Countries That End in NIA | 0 | - | 4.92 | 109,116 |
| Countries That End in BIA | 0 | - | 4.92 | 147,847 |
| Countries by Initial Letter and Continent #1 | 0 | - | 4.94 | 166,250 |
| Countries Whose Names Start with Saint | 0 | - | 4.87 | 118,633 |
| Countries That End in RIA | 0 | - | 4.93 | 126,197 |
| Most Common Words in Official Country Names | 0 | - | 4.86 | 110,180 |
| Divided Country Name Puzzle #1 | 0 | - | 4.99 | 225,701 |
| Divided Country Name Puzzle #2 | 0 | - | 4.99 | 132,681 |
| Divided Country Name Puzzle #3 | 0 | - | 4.92 | 125,028 |
| Groups of Countries that Start with the Same 3 Letters | 0 | - | 5.00 | 90,579 |
| Add A Letter - Make a Country | 0 | - | 4.82 | 74,025 |
| Countries With One Word and Three A's | 0 | - | 4.92 | 52,280 |
| Countries with a Unique Last Letter | 0 | - | 4.90 | 102,795 |
| Unique Starting Letter - Countries by Continent | 0 | - | 4.98 | 124,677 |
| Countries that are Free from U.S.A. | 0 | - | 4.89 | 48,894 |
| Countries with the Word "And" | 0 | - | 4.99 | 116,340 |
| Countries Containing Two or More Words | 0 | - | 4.96 | 52,986 |
| Countries that End in L | 0 | - | 4.94 | 156,152 |
| "Stan" Countries Quiz | 0 | - | 4.97 | 212,105 |
| Countries Ending with "An", but not "Stan" | 0 | - | 4.98 | 85,020 |
| Landlocked Countries | 0 | - | 4.99 | 415,262 |
| Countries of the World Quiz | 0 | - | 5.00 | 47,047,779 |
| Countries with Four Letters | 0 | - | 4.99 | 419,464 |
| Sahara Desert Countries | 0 | - | 4.98 | 161,250 |
| Himalayan Countries | 0 | - | 4.95 | 135,943 |
| Andean Countries | 0 | - | 4.94 | 83,155 |
| Countries with the Youngest Median Age | 0 | - | 4.97 | 62,470 |
| Countries in the Southern Hemisphere | 0 | - | 4.99 | 123,604 |
| Coffee Producing Countries | 0 | - | 4.82 | 66,172 |
| Countries with Shrinking Populations | 0 | - | 4.94 | 64,818 |
| Danube Countries | 0 | - | 4.97 | 71,252 |
| Countries With an "Ish" Demonym | 0 | - | 4.97 | 115,984 |
| Countries With an "Ese" Demonym | 0 | - | 4.97 | 85,702 |
| Countries with the Worst Passports | 0 | - | 4.94 | 82,840 |
| Countries with the Most Immigrants | 0 | - | 4.90 | 147,774 |
| European Landlocked Countries | 0 | - | 4.99 | 145,952 |
| Partially Recognized Countries | 0 | - | 4.98 | 105,499 |
| Countries with the Most Species | 0 | - | 4.99 | 95,334 |
| Countries 197 to 205 | 0 | - | 4.89 | 69,628 |
| Tropic of Cancer Countries | 0 | - | 4.97 | 53,267 |
| Tropic of Capricorn Countries | 0 | - | 4.96 | 47,437 |
| Countries that Use the Peso | 0 | - | 4.88 | 59,061 |
| Countries with the Largest Exclusive Economic Zone | 0 | - | 4.90 | 72,711 |
| Countries with a AAA Credit Rating | 0 | - | 4.85 | 57,066 |
| Countries in the Alps | 0 | - | 4.86 | 117,108 |
| Top Five Importing Partners by Country | 0 | - | 4.97 | 94,749 |
| Countries, Capitals, Currencies and Official Languages | 0 | - | 5.00 | 105,570 |
| Biggest Import Partners By Country | 0 | - | 4.99 | 78,151 |
| Southernmost Countries by Continent | 0 | - | 4.98 | 95,573 |
| Northernmost Countries by Continent | 0 | - | 4.98 | 115,368 |
| Countries by Population Growth, 1970–Present | 0 | - | 4.91 | 95,131 |
| Five Biggest Countries by Latitude | 0 | - | 4.97 | 99,782 |
| Five Biggest Countries by Longitude | 0 | - | 4.91 | 52,889 |
| Largest Country by Body of Water | 0 | - | 4.96 | 57,677 |
| Countries with the Most Container Port Traffic | 0 | - | 4.92 | 62,202 |
| Bridge and Tunnel Borders | 0 | - | 4.96 | 53,269 |
| Countries with the Longest Road Networks Quiz | 0 | - | 4.90 | 41,135 |
| Countries that Touch the Prime Meridian or Equator | 0 | - | 4.88 | 103,610 |
| Arctic Ocean Countries | 0 | - | 4.95 | 78,873 |
| Countries with the Most Grassland | 0 | - | 4.93 | 76,884 |
| All Countries by Area : Four at a Time | 0 | - | 5.00 | 117,439 |
| Countries with the Most Climate Zones | 0 | - | 4.96 | 67,790 |
| Countries that Host the Most Refugees | 0 | - | 4.95 | 59,348 |
| Countries of the World by Similar Area in 90 Seconds | 0 | - | 4.95 | 45,009 |
| All Countries of the World by Area with Hints | 0 | - | 4.97 | 240,202 |
| World Countries - Blind Typing | 0 | - | 5.00 | 106,162 |
| Countries in Their Own Alphabet | 0 | - | 4.95 | 47,718 |
| Largest Countries By Category | 0 | - | 4.97 | 157,007 |
| Countries by Countries | 0 | - | 4.96 | 62,431 |
| Country Flags with the Most White | 0 | - | 4.87 | 137,650 |
| Countries With the Northernmost Southernmost Point | 0 | - | 4.96 | 62,019 |
| Countries with the Southernmost Northernmost Point | 0 | - | 4.87 | 47,376 |
| Six Degrees of Separation - Countries #1 | 0 | - | 4.96 | 98,267 |
| Country Flags With Only Two Colors | 0 | - | 4.92 | 87,925 |
| Countries of Europe Quiz | 0 | - | 5.00 | 3,729,819 |
| Bordering Countries Beginning With the Same Letter | 0 | - | 4.99 | 139,173 |
| Can You Name These 50 Random Countries? | 0 | - | 4.98 | 214,430 |
| Top 50 Countries by Population - In Order | 0 | - | 4.98 | 325,722 |
| Spanish-Speaking Countries | 0 | - | 4.95 | 372,749 |
| Countries with the Most Tourists Quiz | 0 | - | 4.92 | 402,711 |
| Island Countries | 0 | - | 4.99 | 708,282 |
| Biggest Countries by Area | 0 | - | 4.99 | 1,041,562 |
| Northernmost Countries | 0 | - | 4.99 | 358,636 |
| Countries of South America | 0 | - | 5.00 | 917,627 |
| Countries of Oceania | 0 | - | 5.00 | 1,043,974 |
| Countries of Asia Quiz | 0 | - | 5.00 | 1,853,944 |
| Countries with J | 0 | - | 4.54 | 184,456 |
| Countries by Consonants | 0 | - | 4.42 | 78,316 |
| Countries of the World with an Empty Map | 0 | - | 5.00 | 3,366,742 |
| Countries More Populous Than Their Neighbors | 0 | - | 4.99 | 171,874 |
| Countries with Megacities | 0 | - | 4.99 | 248,112 |
| Countries With More than 50 Million People | 0 | - | 4.99 | 197,752 |
| Countries with the Most Population Growth by Decade | 0 | - | 4.98 | 112,336 |
| Countries With More than 200 Million People | 0 | - | 4.96 | 136,138 |
| Countries Less Populous Than Their Neighbors | 0 | - | 4.96 | 80,280 |
| Countries by Official Language | 0 | - | 4.95 | 193,152 |
| Countries with the Most Speakers of These Languages | 0 | - | 4.91 | 293,664 |
| Countries in their Native Language | 0 | - | 4.99 | 196,987 |
| Independence from Whom | 0 | - | 4.99 | 210,123 |
| Subdivisions by Country | 0 | - | 4.86 | 50,142 |
| Who Controlled These Colonies? | 0 | - | 4.88 | 131,041 |
| Megadiverse Countries | 0 | - | 4.97 | 134,357 |
| Countries With the Most English Speakers | 0 | - | 4.86 | 130,143 |
| Countries Producing the Most Sugarcane | 0 | - | 4.95 | 55,006 |
| Countries with Multiple Big Islands | 0 | - | 4.93 | 125,533 |
| Top 10 Wheat-Producing Countries | 0 | - | 4.89 | 74,902 |
| 15 Biggest Island Countries | 0 | - | 4.98 | 161,872 |
| Most Recently-Settled Countries | 0 | - | 4.94 | 62,117 |
| Countries of the World in 1938 Quiz | 0 | - | 4.95 | 93,315 |
| Countries Bigger Than Their Neighbors | 0 | - | 4.93 | 153,429 |
| Countries with Multiple Populous Islands | 0 | - | 4.89 | 95,296 |
| Countries in Relation to Cities #1 | 0 | - | 4.92 | 44,784 |
| Countries by Sports League Revenue | 0 | - | 4.95 | 75,897 |
| Landmarks of Countries #1 | 0 | - | 4.88 | 107,511 |
| Countries Furthest from the United States | 0 | - | 4.94 | 88,616 |
| Countries with the Highest HDI | 0 | - | 4.95 | 136,579 |
| Straight Shot to the Arctic Circle | 0 | - | 4.88 | 74,791 |
| Most Dispersed Island Nations | 0 | - | 4.96 | 71,118 |
| Countries of the World in Alphabetical Order | 0 | - | 5.00 | 109,099 |
| World Map Quiz | 0 | - | 4.81 | 63,775 |
| Recognized, Non-Recognized Countries, and Territories of the World | 0 | - | 5.00 | 153,593 |
| Smallest Countries with at Least One Border | 0 | - | 4.87 | 106,572 |
| Countries by Founding Story | 0 | - | 4.95 | 76,705 |
| Countries by Road Signs | 0 | - | 4.98 | 53,269 |
| Southernmost Countries of the World | 0 | - | 4.99 | 226,762 |
| Countries by Inland Surface Water | 0 | - | 4.94 | 104,503 |
| Top 20 Motor Vehicle Producing Countries | 0 | - | 4.91 | 122,226 |
| Countries With the Most Languages | 0 | - | 4.89 | 200,276 |
| Countries with the Highest Population Under Age 15 | 0 | - | 4.95 | 110,102 |
| Countries with the Highest Population 65 and Older | 0 | - | 4.90 | 93,303 |
| Countries with the Most Prisoners | 0 | - | 4.94 | 98,490 |
| Countries with the Most Domestic Camels | 0 | - | 4.94 | 61,072 |
| Tallest Countries North to South | 0 | - | 4.83 | 119,522 |
| Widest Countries East to West | 0 | - | 4.92 | 129,018 |
| Countries with the Highest Average Elevation | 0 | - | 4.98 | 71,283 |
| Largest Countries by Area or Population | 0 | - | 5.00 | 185,472 |
| Countries with the Most Area in the Southern Hemisphere | 0 | - | 4.99 | 97,646 |
| Most Populous Countries as a Percent of Their Continent | 0 | - | 4.97 | 93,859 |
| Largest Countries as a Percent of Continent | 0 | - | 4.97 | 147,813 |
| Countries with the Most Desert | 0 | - | 4.93 | 127,218 |
| Countries by Contribution to UN Budget | 0 | - | 4.89 | 76,576 |
| Countries with Most Nobel Laureates per Capita | 0 | - | 4.84 | 34,639 |
| City to Country Quiz #1 | 0 | - | 4.96 | 155,621 |
| City to Country Quiz #3 | 0 | - | 4.88 | 118,447 |
| 45 European Countries, 45 Cities | 0 | - | 4.95 | 78,522 |
| Five Biggest Countries by Continent | 0 | - | 4.99 | 247,957 |
| Five Poorest Countries by Continent | 0 | - | 4.93 | 199,620 |
| Five Least Populated Countries by Continent | 0 | - | 4.96 | 141,664 |
| Five Smallest Countries by Continent | 0 | - | 4.98 | 162,642 |
| First Five Countries Alphabetically by Continent | 0 | - | 4.94 | 224,016 |
| Last Five Countries Alphabetically by Continent | 0 | - | 4.98 | 151,915 |
| Five Northernmost Capital Cities by Continent | 0 | - | 4.89 | 70,810 |
| Top 15 Countries that Produce the Most Tea | 0 | - | 4.81 | 108,243 |
| Top 10 Countries in Nuclear Power Production | 0 | - | 4.95 | 86,465 |
| 10 Northernmost Countries That Start with S | 0 | - | 4.94 | 62,415 |
| Biggest Countries by Population | 0 | - | 5.00 | 1,437,731 |
| Smallest Countries by Population and Area | 0 | - | 4.99 | 378,324 |
| One Border Countries | 0 | - | 4.98 | 465,603 |
| Top 15 Most Populous Countries Ending in "IA" | 0 | - | 4.77 | 114,779 |
| Every Country in its Official/Native Language | 0 | - | 4.98 | 24,773 |
| Most Similar Country Names | 0 | - | 4.16 | 46,340 |
| Longest Country Name A-Z | 0 | - | 4.33 | 41,861 |
| Countries by Borders in 90 Seconds | 0 | - | 4.99 | 3,807,645 |
| Countries by First Two Letters in 90 Seconds | 0 | - | 4.98 | 5,596,325 |
| Five Most Densely Populated Countries by Continent | 0 | - | 4.95 | 86,142 |
| Five Most Populated Countries by Continent | 0 | - | 4.99 | 266,527 |
| Most Populous Countries with Exceptions | 0 | - | 4.98 | 121,141 |
| Top 10 Most Densely-Populated Countries in Europe | 0 | - | 4.98 | 111,621 |
| Five Least Densely Populated Countries by Continent | 0 | - | 4.92 | 92,940 |
| Countries by Population Range - Tile Select | 0 | - | 4.87 | 58,508 |
| Countries by National Anthem | 0 | - | 4.93 | 71,072 |
| NATO Countries | 0 | - | 4.98 | 277,198 |
| EU Countries Quiz | 0 | - | 4.99 | 270,880 |
| Recently Independent Countries | 0 | - | 4.98 | 158,195 |
| French-Speaking Countries | 0 | - | 4.85 | 269,264 |
| Natural Features of Countries #1 | 0 | - | 4.86 | 83,447 |
| Countries That Use the Euro | 0 | - | 4.95 | 103,525 |
