| Five Biggest Countries by Continent | 0 | - | 4.99 | 248,494 |
| Five Poorest Countries by Continent | 0 | - | 4.93 | 199,938 |
| Five Least Populated Countries by Continent | 0 | - | 4.96 | 142,476 |
| Five Smallest Countries by Continent | 0 | - | 4.98 | 162,922 |
| First Five Countries Alphabetically by Continent | 0 | - | 4.94 | 224,392 |
| Last Five Countries Alphabetically by Continent | 0 | - | 4.98 | 152,123 |
| Five Northernmost Capital Cities by Continent | 0 | - | 4.89 | 70,900 |
| Five Most Densely Populated Countries by Continent | 0 | - | 4.95 | 86,395 |
| Five Most Populated Countries by Continent | 0 | - | 4.99 | 267,116 |
| Five Least Densely Populated Countries by Continent | 0 | - | 4.92 | 93,209 |
| Five Most Elevated Countries by Continent | 0 | - | 4.98 | 112,733 |
| Five Countries With the Most Tourists by Continent | 0 | - | 4.95 | 120,443 |
| Countries of the World Quiz | 0 | - | 5.00 | 47,237,156 |
| Landlocked Countries | 0 | - | 4.99 | 417,541 |
| Countries of Europe Quiz | 0 | - | 5.00 | 3,747,801 |
| Sahara Desert Countries | 0 | - | 4.98 | 162,340 |
| Himalayan Countries | 0 | - | 4.95 | 136,863 |
| Andean Countries | 0 | - | 4.95 | 83,654 |
| Countries with the Youngest Median Age | 0 | - | 4.97 | 62,912 |
| Countries in the Southern Hemisphere | 0 | - | 4.99 | 124,235 |
| Coffee Producing Countries | 0 | - | 4.83 | 66,583 |
| Countries with Shrinking Populations | 0 | - | 4.94 | 65,168 |
| Danube Countries | 0 | - | 4.97 | 71,517 |
| Countries With an "Ish" Demonym | 0 | - | 4.97 | 116,346 |
| Countries With an "Ese" Demonym | 0 | - | 4.97 | 85,931 |
| Countries with the Worst Passports | 0 | - | 4.94 | 83,377 |
| Countries with the Most Immigrants | 0 | - | 4.90 | 148,421 |
| European Landlocked Countries | 0 | - | 4.99 | 146,231 |
| Partially Recognized Countries | 0 | - | 4.98 | 105,934 |
| Countries with the Most Species | 0 | - | 4.99 | 102,571 |
| Countries 197 to 205 | 0 | - | 4.89 | 70,056 |
| Tropic of Cancer Countries | 0 | - | 4.97 | 53,372 |
| Tropic of Capricorn Countries | 0 | - | 4.96 | 47,546 |
| Countries that Use the Peso | 0 | - | 4.88 | 59,219 |
| Countries with the Largest Exclusive Economic Zone | 0 | - | 4.90 | 72,881 |
| Countries with a AAA Credit Rating | 0 | - | 4.85 | 57,264 |
| Countries in the Alps | 0 | - | 4.86 | 117,477 |
| Top Five Importing Partners by Country | 0 | - | 4.97 | 94,997 |
| Countries, Capitals, Currencies and Official Languages | 0 | - | 5.00 | 106,100 |
| Biggest Import Partners By Country | 0 | - | 4.99 | 78,330 |
| Southernmost Countries by Continent | 0 | - | 4.98 | 95,835 |
| Northernmost Countries by Continent | 0 | - | 4.98 | 115,934 |
| Countries by Population Growth, 1970–Present | 0 | - | 4.91 | 95,351 |
| Five Biggest Countries by Latitude | 0 | - | 4.97 | 100,111 |
| Five Biggest Countries by Longitude | 0 | - | 4.91 | 53,070 |
| Largest Country by Body of Water | 0 | - | 4.96 | 57,880 |
| Countries with the Most Container Port Traffic | 0 | - | 4.92 | 62,423 |
| Bridge and Tunnel Borders | 0 | - | 4.96 | 53,416 |
| Countries with the Longest Road Networks Quiz | 0 | - | 4.90 | 41,260 |
| Countries that Touch the Prime Meridian or Equator | 0 | - | 4.88 | 103,822 |
| Arctic Ocean Countries | 0 | - | 4.95 | 79,084 |
| Countries with the Most Grassland | 0 | - | 4.93 | 77,095 |
| All Countries by Area : Four at a Time | 0 | - | 5.00 | 117,922 |
| Countries with the Most Climate Zones | 0 | - | 4.96 | 67,966 |
| Countries that Host the Most Refugees | 0 | - | 4.95 | 59,491 |
| Countries of the World by Similar Area in 90 Seconds | 0 | - | 4.95 | 45,352 |
| All Countries of the World by Area with Hints | 0 | - | 4.97 | 241,582 |
| World Countries - Blind Typing | 0 | - | 5.00 | 106,863 |
| Countries in Their Own Alphabet | 0 | - | 4.95 | 47,895 |
| Largest Countries By Category | 0 | - | 4.97 | 157,419 |
| Countries by Countries | 0 | - | 4.96 | 62,706 |
| Five Least Guessed Countries by Continent | 0 | - | 4.97 | 97,890 |
| Country Flags with the Most White | 0 | - | 4.87 | 138,001 |
| Countries With the Northernmost Southernmost Point | 0 | - | 4.96 | 62,118 |
| Countries with the Southernmost Northernmost Point | 0 | - | 4.87 | 47,437 |
| Country Flags With Only Two Colors | 0 | - | 4.92 | 88,193 |
| Bordering Countries by HDI Difference | 0 | - | 4.90 | 51,817 |
| Top 50 Countries by Population - In Order | 0 | - | 4.98 | 327,843 |
| Spanish-Speaking Countries | 0 | - | 4.95 | 374,220 |
| Countries with the Most Tourists Quiz | 0 | - | 4.92 | 404,389 |
| Island Countries | 0 | - | 4.99 | 709,218 |
| Biggest Countries by Area | 0 | - | 4.99 | 1,044,564 |
| Northernmost Countries | 0 | - | 4.99 | 359,884 |
| Countries of South America | 0 | - | 5.00 | 921,117 |
| Countries of Oceania | 0 | - | 5.00 | 1,048,807 |
| Countries of Asia Quiz | 0 | - | 5.00 | 1,862,075 |
| "Land" Countries | 0 | - | 4.98 | 335,389 |
| Countries of the World with an Empty Map | 0 | - | 5.00 | 3,372,759 |
| Five Most Guessed Countries by Continent | 0 | - | 4.97 | 172,189 |
| Five Lowest HDI Countries by Continent | 0 | - | 4.63 | 51,425 |
| Countries More Populous Than Their Neighbors | 0 | - | 4.99 | 172,581 |
| Countries with Megacities | 0 | - | 4.99 | 249,596 |
| Countries With More than 50 Million People | 0 | - | 4.99 | 198,434 |
| Countries with the Most Population Growth by Decade | 0 | - | 4.98 | 112,733 |
| Countries With More than 200 Million People | 0 | - | 4.96 | 136,779 |
| Countries Less Populous Than Their Neighbors | 0 | - | 4.96 | 80,696 |
| Countries by Official Language | 0 | - | 4.95 | 194,381 |
| Countries with the Most Speakers of These Languages | 0 | - | 4.91 | 295,189 |
| Countries in their Native Language | 0 | - | 4.99 | 197,949 |
| Independence from Whom | 0 | - | 4.99 | 211,044 |
| Subdivisions by Country | 0 | - | 4.86 | 50,239 |
| Who Controlled These Colonies? | 0 | - | 4.88 | 131,499 |
| Megadiverse Countries | 0 | - | 4.96 | 134,668 |
| Countries With the Most English Speakers | 0 | - | 4.86 | 131,086 |
| Countries Producing the Most Sugarcane | 0 | - | 4.95 | 55,128 |
| Countries with Multiple Big Islands | 0 | - | 4.93 | 125,684 |
| Top 10 Wheat-Producing Countries | 0 | - | 4.89 | 74,975 |
| 15 Biggest Island Countries | 0 | - | 4.98 | 162,552 |
| Most Recently-Settled Countries | 0 | - | 4.94 | 62,290 |
| Countries of the World in 1938 Quiz | 0 | - | 4.95 | 93,762 |
| Countries Bigger Than Their Neighbors | 0 | - | 4.93 | 153,686 |
| Countries with Multiple Populous Islands | 0 | - | 4.89 | 95,431 |
| Countries in Relation to Cities #1 | 0 | - | 4.92 | 44,825 |
| Countries by Sports League Revenue | 0 | - | 4.94 | 76,565 |
| Landmarks of Countries #1 | 0 | - | 4.88 | 107,636 |
| Countries Furthest from the United States | 0 | - | 4.94 | 88,735 |
| Countries with the Highest HDI | 0 | - | 4.95 | 136,702 |
| Straight Shot to the Arctic Circle | 0 | - | 4.88 | 74,916 |
| Most Dispersed Island Nations | 0 | - | 4.97 | 71,264 |
| Countries of the World in Alphabetical Order | 0 | - | 5.00 | 109,834 |
| World Map Quiz | 0 | - | 4.81 | 64,283 |
| Recognized, Non-Recognized Countries, and Territories of the World | 0 | - | 5.00 | 154,895 |
| Smallest Countries with at Least One Border | 0 | - | 4.87 | 106,864 |
| Countries by Founding Story | 0 | - | 4.95 | 76,960 |
| Southernmost Countries of the World | 0 | - | 4.99 | 227,248 |
| Countries by Inland Surface Water | 0 | - | 4.94 | 104,790 |
| Top 20 Motor Vehicle Producing Countries | 0 | - | 4.91 | 122,507 |
| Countries With the Most Languages | 0 | - | 4.90 | 200,991 |
| Countries with the Highest Population Under Age 15 | 0 | - | 4.95 | 110,386 |
| Countries with the Highest Population 65 and Older | 0 | - | 4.90 | 93,566 |
| Countries with the Most Prisoners | 0 | - | 4.94 | 98,719 |
| Countries with the Most Domestic Camels | 0 | - | 4.94 | 61,193 |
| Tallest Countries North to South | 0 | - | 4.83 | 120,186 |
| Widest Countries East to West | 0 | - | 4.92 | 129,250 |
| Countries with the Highest Average Elevation | 0 | - | 4.98 | 71,349 |
| Largest Countries by Area or Population | 0 | - | 5.00 | 185,783 |
| Countries with the Most Area in the Southern Hemisphere | 0 | - | 4.99 | 97,961 |
| Most Populous Countries as a Percent of Their Continent | 0 | - | 4.97 | 94,393 |
| Largest Countries as a Percent of Continent | 0 | - | 4.97 | 148,077 |
| Countries with the Most Desert | 0 | - | 4.93 | 127,438 |
| Countries by Contribution to UN Budget | 0 | - | 4.87 | 77,174 |
| Countries with Most Nobel Laureates per Capita | 0 | - | 4.84 | 34,703 |
| Countries with Double Letters | 0 | - | 4.97 | 94,755 |
| Countries that End in N | 0 | - | 4.95 | 169,152 |
| Countries with Five Letters | 0 | - | 4.96 | 276,295 |
| Countries with Six Letters | 0 | - | 4.94 | 212,071 |
| Countries with W | 0 | - | 4.97 | 159,268 |
| Countries with Z | 0 | - | 4.98 | 289,427 |
| Countries with Letters Missing | 0 | - | 4.96 | 185,474 |
| Countries That End in U | 0 | - | 4.95 | 120,269 |
| Top 20 Longest One-Word Country Names | 0 | - | 4.98 | 133,495 |
| Countries that End in O | 0 | - | 4.92 | 159,084 |
| Countries that End in R | 0 | - | 4.87 | 118,642 |
| Country Names Created by Only 4 Letters | 0 | - | 4.99 | 155,420 |
| Countries Ending in "IA" | 0 | - | 4.99 | 208,058 |
| Countries by First and Last Letter #1 | 0 | - | 4.97 | 169,936 |
| Countries by Last Two Letters | 0 | - | 4.85 | 134,955 |
| Countries by First and Last Letter #2 | 0 | - | 4.96 | 141,538 |
| Countries That End in Y | 0 | - | 4.90 | 185,557 |
| Countries Based on First Two Letters #1 | 0 | - | 4.99 | 197,034 |
| Countries with Cardinal Directions in Their Names | 0 | - | 4.92 | 152,252 |
| Countries that End in I | 0 | - | 4.94 | 134,764 |
| Countries Based on First Two Letters #2 | 0 | - | 4.99 | 182,863 |
| Countries by Initial Letter and Length #1 | 0 | - | 4.98 | 95,488 |
| Countries That End in NIA | 0 | - | 4.92 | 109,411 |
| Countries That End in BIA | 0 | - | 4.93 | 148,702 |
| Countries by Initial Letter and Continent #1 | 0 | - | 4.94 | 166,563 |
| Countries Whose Names Start with Saint | 0 | - | 4.87 | 118,914 |
| Countries That End in RIA | 0 | - | 4.93 | 126,431 |
| Most Common Words in Official Country Names | 0 | - | 4.86 | 110,504 |
| Divided Country Name Puzzle #1 | 0 | - | 4.99 | 226,347 |
| Divided Country Name Puzzle #2 | 0 | - | 4.99 | 133,022 |
| Divided Country Name Puzzle #3 | 0 | - | 4.92 | 125,363 |
| Groups of Countries that Start with the Same 3 Letters | 0 | - | 5.00 | 90,970 |
| Add A Letter - Make a Country | 0 | - | 4.82 | 74,240 |
| Countries With One Word and Three A's | 0 | - | 4.92 | 52,566 |
| Countries with a Unique Last Letter | 0 | - | 4.90 | 103,098 |
| Unique Starting Letter - Countries by Continent | 0 | - | 4.98 | 124,987 |
| Countries that are Free from U.S.A. | 0 | - | 4.89 | 49,121 |
| Countries with the Word "And" | 0 | - | 4.99 | 116,682 |
| Countries Containing Two or More Words | 0 | - | 4.96 | 53,362 |
| Countries that End in L | 0 | - | 4.94 | 156,436 |
| "Stan" Countries Quiz | 0 | - | 4.97 | 213,457 |
| Countries Ending with "An", but not "Stan" | 0 | - | 4.98 | 85,128 |
| City to Country Quiz #1 | 0 | - | 4.97 | 155,768 |
| City to Country Quiz #3 | 0 | - | 4.88 | 118,634 |
| 45 European Countries, 45 Cities | 0 | - | 4.95 | 78,689 |
| Top 15 Countries that Produce the Most Tea | 0 | - | 4.81 | 108,321 |
| Top 10 Countries in Nuclear Power Production | 0 | - | 4.95 | 86,554 |
| 10 Northernmost Countries That Start with S | 0 | - | 4.94 | 62,577 |
| Biggest Countries by Population | 0 | - | 5.00 | 1,441,396 |
| Smallest Countries by Population and Area | 0 | - | 4.99 | 379,231 |
| One Border Countries | 0 | - | 4.98 | 466,989 |
| Countries by Borders in 90 Seconds | 0 | - | 4.99 | 3,817,483 |
| Countries by First Two Letters in 90 Seconds | 0 | - | 4.98 | 5,608,742 |
| Most Populous Countries with Exceptions | 0 | - | 4.98 | 121,487 |
| Top 10 Most Densely-Populated Countries in Europe | 0 | - | 4.98 | 112,171 |
| Countries by Population Range - Tile Select | 0 | - | 4.87 | 58,771 |
| Countries by National Anthem | 0 | - | 4.92 | 71,153 |
| NATO Countries | 0 | - | 4.98 | 278,663 |
| EU Countries Quiz | 0 | - | 4.99 | 272,235 |
| Recently Independent Countries | 0 | - | 4.98 | 158,505 |
| French-Speaking Countries | 0 | - | 4.85 | 269,984 |
| Natural Features of Countries #1 | 0 | - | 4.87 | 83,700 |
| Countries That Use the Euro | 0 | - | 4.95 | 104,210 |
| Countries with the Most Military Troops | 0 | - | 4.95 | 286,885 |
| Countries with Nuclear Weapons | 0 | - | 4.86 | 271,077 |
| German-Speaking Countries | 0 | - | 4.91 | 144,853 |
| Countries with Wild Tigers | 0 | - | 4.96 | 136,127 |
| Countries with Wild Penguins | 0 | - | 4.94 | 99,724 |
