| Five Biggest Countries by Continent | 0 | - | 4.99 | 249,754 |
| Five Poorest Countries by Continent | 0 | - | 4.93 | 200,651 |
| Five Least Populated Countries by Continent | 0 | - | 4.95 | 142,992 |
| Five Smallest Countries by Continent | 0 | - | 4.98 | 163,542 |
| First Five Countries Alphabetically by Continent | 0 | - | 4.94 | 225,442 |
| Last Five Countries Alphabetically by Continent | 0 | - | 4.98 | 152,861 |
| Five Northernmost Capital Cities by Continent | 0 | - | 4.89 | 71,101 |
| Landlocked Countries | 0 | - | 4.99 | 422,084 |
| Five Most Densely Populated Countries by Continent | 0 | - | 4.96 | 86,947 |
| Five Most Populated Countries by Continent | 0 | - | 4.99 | 268,209 |
| Five Least Densely Populated Countries by Continent | 0 | - | 4.92 | 93,743 |
| Countries of the World Quiz | 0 | - | 5.00 | 47,591,319 |
| Five Most Elevated Countries by Continent | 0 | - | 4.98 | 113,358 |
| Five Countries With the Most Tourists by Continent | 0 | - | 4.95 | 121,995 |
| Sahara Desert Countries | 0 | - | 4.98 | 164,518 |
| Himalayan Countries | 0 | - | 4.94 | 138,785 |
| Andean Countries | 0 | - | 4.93 | 84,640 |
| Countries with the Youngest Median Age | 0 | - | 4.97 | 63,834 |
| Countries in the Southern Hemisphere | 0 | - | 4.99 | 125,871 |
| Coffee Producing Countries | 0 | - | 4.83 | 67,460 |
| Countries with Shrinking Populations | 0 | - | 4.94 | 65,826 |
| Danube Countries | 0 | - | 4.97 | 72,026 |
| Countries With an "Ish" Demonym | 0 | - | 4.98 | 117,028 |
| Countries With an "Ese" Demonym | 0 | - | 4.97 | 86,433 |
| Countries with the Worst Passports | 0 | - | 4.93 | 84,336 |
| Countries with the Most Immigrants | 0 | - | 4.90 | 149,815 |
| European Landlocked Countries | 0 | - | 4.99 | 147,154 |
| Partially Recognized Countries | 0 | - | 4.98 | 106,669 |
| Countries with the Most Species | 0 | - | 4.99 | 103,249 |
| Countries 197 to 205 | 0 | - | 4.90 | 70,783 |
| Tropic of Cancer Countries | 0 | - | 4.97 | 53,598 |
| Tropic of Capricorn Countries | 0 | - | 4.96 | 47,726 |
| Countries that Use the Peso | 0 | - | 4.89 | 59,548 |
| Countries with the Largest Exclusive Economic Zone | 0 | - | 4.90 | 73,240 |
| Countries with a AAA Credit Rating | 0 | - | 4.86 | 57,672 |
| Countries in the Alps | 0 | - | 4.87 | 118,225 |
| Top Five Importing Partners by Country | 0 | - | 4.97 | 101,176 |
| Countries, Capitals, Currencies and Official Languages | 0 | - | 5.00 | 107,054 |
| Biggest Import Partners By Country | 0 | - | 4.99 | 78,662 |
| Southernmost Countries by Continent | 0 | - | 4.98 | 96,602 |
| Northernmost Countries by Continent | 0 | - | 4.98 | 116,526 |
| Countries by Population Growth, 1970–Present | 0 | - | 4.92 | 95,956 |
| Five Biggest Countries by Latitude | 0 | - | 4.97 | 100,688 |
| Five Biggest Countries by Longitude | 0 | - | 4.91 | 53,504 |
| Largest Country by Body of Water | 0 | - | 4.96 | 58,186 |
| Countries with the Most Container Port Traffic | 0 | - | 4.92 | 62,860 |
| Bridge and Tunnel Borders | 0 | - | 4.96 | 53,663 |
| Countries with the Longest Road Networks Quiz | 0 | - | 4.90 | 41,533 |
| Countries that Touch the Prime Meridian or Equator | 0 | - | 4.88 | 104,238 |
| Arctic Ocean Countries | 0 | - | 4.95 | 79,483 |
| Countries with the Most Grassland | 0 | - | 4.94 | 77,538 |
| All Countries by Area : Four at a Time | 0 | - | 5.00 | 118,928 |
| Countries with the Most Climate Zones | 0 | - | 4.96 | 68,318 |
| Countries that Host the Most Refugees | 0 | - | 4.96 | 63,930 |
| Countries of the World by Similar Area in 90 Seconds | 0 | - | 4.95 | 46,094 |
| All Countries of the World by Area with Hints | 0 | - | 4.97 | 243,992 |
| World Countries - Blind Typing | 0 | - | 5.00 | 108,156 |
| Countries in Their Own Alphabet | 0 | - | 4.95 | 48,241 |
| Largest Countries By Category | 0 | - | 4.97 | 158,232 |
| Countries by Countries | 0 | - | 4.96 | 63,239 |
| Country Flags with the Most White | 0 | - | 4.85 | 138,702 |
| Countries With the Northernmost Southernmost Point | 0 | - | 4.96 | 62,293 |
| Countries with the Southernmost Northernmost Point | 0 | - | 4.87 | 47,571 |
| Country Flags With Only Two Colors | 0 | - | 4.91 | 88,682 |
| Countries of Europe Quiz | 0 | - | 5.00 | 3,779,594 |
| Five Least Guessed Countries by Continent | 0 | - | 4.97 | 98,696 |
| Top 50 Countries by Population - In Order | 0 | - | 4.98 | 331,648 |
| Spanish-Speaking Countries | 0 | - | 4.95 | 375,536 |
| Countries with the Most Tourists Quiz | 0 | - | 4.92 | 407,350 |
| Island Countries | 0 | - | 4.99 | 711,086 |
| Biggest Countries by Area | 0 | - | 5.00 | 1,050,013 |
| Northernmost Countries | 0 | - | 4.99 | 362,006 |
| Countries of South America | 0 | - | 5.00 | 927,512 |
| Countries of Oceania | 0 | - | 5.00 | 1,057,135 |
| Countries of Asia Quiz | 0 | - | 5.00 | 1,877,678 |
| "Land" Countries | 0 | - | 4.98 | 337,365 |
| Five Lowest HDI Countries by Continent | 0 | - | 4.63 | 51,616 |
| Countries of the World with an Empty Map | 0 | - | 5.00 | 3,383,925 |
| Countries More Populous Than Their Neighbors | 0 | - | 4.99 | 173,922 |
| Countries with Megacities | 0 | - | 4.99 | 264,610 |
| Countries With More than 50 Million People | 0 | - | 4.99 | 199,759 |
| Countries with the Most Population Growth by Decade | 0 | - | 4.98 | 113,482 |
| Countries With More than 200 Million People | 0 | - | 4.95 | 138,017 |
| Countries Less Populous Than Their Neighbors | 0 | - | 4.96 | 81,555 |
| Countries by Official Language | 0 | - | 4.95 | 195,278 |
| Countries with the Most Speakers of These Languages | 0 | - | 4.91 | 296,399 |
| Countries in their Native Language | 0 | - | 4.99 | 199,063 |
| Independence from Whom | 0 | - | 4.99 | 212,126 |
| Subdivisions by Country | 0 | - | 4.86 | 50,434 |
| Who Controlled These Colonies? | 0 | - | 4.88 | 132,751 |
| Megadiverse Countries | 0 | - | 4.96 | 135,021 |
| Countries With the Most English Speakers | 0 | - | 4.86 | 132,114 |
| Countries Producing the Most Sugarcane | 0 | - | 4.95 | 55,365 |
| Countries with Multiple Big Islands | 0 | - | 4.93 | 126,241 |
| Top 10 Wheat-Producing Countries | 0 | - | 4.89 | 75,110 |
| 15 Biggest Island Countries | 0 | - | 4.98 | 163,154 |
| Most Recently-Settled Countries | 0 | - | 4.94 | 62,602 |
| Countries of the World in 1938 Quiz | 0 | - | 4.95 | 94,488 |
| Countries Bigger Than Their Neighbors | 0 | - | 4.93 | 154,035 |
| Countries with Multiple Populous Islands | 0 | - | 4.89 | 95,663 |
| Countries in Relation to Cities #1 | 0 | - | 4.92 | 45,149 |
| Countries by Sports League Revenue | 0 | - | 4.94 | 77,686 |
| Landmarks of Countries #1 | 0 | - | 4.88 | 107,889 |
| Countries Furthest from the United States | 0 | - | 4.94 | 89,207 |
| Countries with the Highest HDI | 0 | - | 4.95 | 136,969 |
| Straight Shot to the Arctic Circle | 0 | - | 4.88 | 75,357 |
| Most Dispersed Island Nations | 0 | - | 4.97 | 71,502 |
| Countries of the World in Alphabetical Order | 0 | - | 5.00 | 111,212 |
| World Map Quiz | 0 | - | 4.81 | 65,107 |
| Recognized, Non-Recognized Countries, and Territories of the World | 0 | - | 5.00 | 157,341 |
| Smallest Countries with at Least One Border | 0 | - | 4.87 | 107,362 |
| Countries by Founding Story | 0 | - | 4.95 | 77,383 |
| Countries by Road Signs | 0 | - | 4.98 | 54,023 |
| Southernmost Countries of the World | 0 | - | 4.99 | 228,111 |
| Countries by Inland Surface Water | 0 | - | 4.93 | 105,285 |
| Top 20 Motor Vehicle Producing Countries | 0 | - | 4.91 | 123,003 |
| Countries With the Most Languages | 0 | - | 4.90 | 202,224 |
| Countries with the Highest Population Under Age 15 | 0 | - | 4.95 | 110,903 |
| Countries with the Highest Population 65 and Older | 0 | - | 4.90 | 94,020 |
| Countries with the Most Prisoners | 0 | - | 4.94 | 99,309 |
| Countries with the Most Domestic Camels | 0 | - | 4.94 | 61,446 |
| Tallest Countries North to South | 0 | - | 4.83 | 120,583 |
| Widest Countries East to West | 0 | - | 4.92 | 129,656 |
| Countries with the Highest Average Elevation | 0 | - | 4.98 | 71,460 |
| Largest Countries by Area or Population | 0 | - | 5.00 | 186,391 |
| Countries with the Most Area in the Southern Hemisphere | 0 | - | 4.99 | 98,123 |
| Most Populous Countries as a Percent of Their Continent | 0 | - | 4.97 | 94,773 |
| Largest Countries as a Percent of Continent | 0 | - | 4.97 | 148,606 |
| Countries with the Most Desert | 0 | - | 4.93 | 127,880 |
| Countries by Contribution to UN Budget | 0 | - | 4.87 | 77,376 |
| Countries with Most Nobel Laureates per Capita | 0 | - | 4.83 | 34,800 |
| Countries with Double Letters | 0 | - | 4.96 | 96,247 |
| Countries that End in N | 0 | - | 4.95 | 171,135 |
| Countries with Five Letters | 0 | - | 4.96 | 282,496 |
| Countries with Six Letters | 0 | - | 4.94 | 213,561 |
| Countries with W | 0 | - | 4.97 | 160,330 |
| Countries with Z | 0 | - | 4.98 | 291,462 |
| Countries with Letters Missing | 0 | - | 4.96 | 186,706 |
| Countries That End in U | 0 | - | 4.95 | 120,859 |
| Top 20 Longest One-Word Country Names | 0 | - | 4.98 | 134,469 |
| Countries that End in O | 0 | - | 4.92 | 159,511 |
| Countries that End in R | 0 | - | 4.87 | 118,972 |
| Country Names Created by Only 4 Letters | 0 | - | 4.99 | 155,731 |
| Countries Ending in "IA" | 0 | - | 4.99 | 209,102 |
| Countries by First and Last Letter #1 | 0 | - | 4.97 | 170,700 |
| Countries by Last Two Letters | 0 | - | 4.85 | 135,475 |
| Countries by First and Last Letter #2 | 0 | - | 4.96 | 142,399 |
| Countries That End in Y | 0 | - | 4.91 | 185,873 |
| Countries Based on First Two Letters #1 | 0 | - | 4.99 | 197,922 |
| Countries with Cardinal Directions in Their Names | 0 | - | 4.92 | 152,859 |
| Countries that End in I | 0 | - | 4.94 | 135,093 |
| Countries Based on First Two Letters #2 | 0 | - | 4.99 | 184,112 |
| Countries by Initial Letter and Length #1 | 0 | - | 4.98 | 95,823 |
| Countries That End in NIA | 0 | - | 4.92 | 109,788 |
| Countries That End in BIA | 0 | - | 4.93 | 149,201 |
| Countries by Initial Letter and Continent #1 | 0 | - | 4.94 | 167,122 |
| Countries Whose Names Start with Saint | 0 | - | 4.87 | 119,426 |
| Countries That End in RIA | 0 | - | 4.93 | 126,806 |
| Most Common Words in Official Country Names | 0 | - | 4.86 | 111,022 |
| Divided Country Name Puzzle #1 | 0 | - | 4.99 | 227,625 |
| Divided Country Name Puzzle #2 | 0 | - | 4.99 | 133,709 |
| Divided Country Name Puzzle #3 | 0 | - | 4.92 | 126,125 |
| Groups of Countries that Start with the Same 3 Letters | 0 | - | 5.00 | 91,678 |
| Add A Letter - Make a Country | 0 | - | 4.82 | 74,579 |
| Countries With One Word and Three A's | 0 | - | 4.92 | 53,030 |
| Countries with a Unique Last Letter | 0 | - | 4.90 | 103,444 |
| Unique Starting Letter - Countries by Continent | 0 | - | 4.98 | 125,527 |
| Countries that are Free from U.S.A. | 0 | - | 4.89 | 49,422 |
| Countries with the Word "And" | 0 | - | 4.99 | 117,287 |
| Countries Containing Two or More Words | 0 | - | 4.97 | 53,983 |
| Countries that End in L | 0 | - | 4.94 | 156,840 |
| "Stan" Countries Quiz | 0 | - | 4.97 | 215,787 |
| Countries Ending with "An", but not "Stan" | 0 | - | 4.98 | 85,264 |
| City to Country Quiz #1 | 0 | - | 4.97 | 156,028 |
| City to Country Quiz #3 | 0 | - | 4.88 | 118,956 |
| 45 European Countries, 45 Cities | 0 | - | 4.95 | 79,001 |
| Five Most Guessed Countries by Continent | 0 | - | 4.97 | 173,505 |
| Top 10 Countries in Nuclear Power Production | 0 | - | 4.95 | 86,707 |
| 10 Northernmost Countries That Start with S | 0 | - | 4.94 | 62,872 |
| Biggest Countries by Population | 0 | - | 5.00 | 1,448,349 |
| Smallest Countries by Population and Area | 0 | - | 4.99 | 381,005 |
| One Border Countries | 0 | - | 4.98 | 469,925 |
| Five Highest HDI Countries by Continent | 0 | - | 4.55 | 58,470 |
| Countries by Borders in 90 Seconds | 0 | - | 4.99 | 3,835,134 |
| Countries by First Two Letters in 90 Seconds | 0 | - | 4.98 | 5,632,681 |
| Most Populous Countries with Exceptions | 0 | - | 4.98 | 122,160 |
| Top 10 Most Densely-Populated Countries in Europe | 0 | - | 4.98 | 112,569 |
| Countries by Population Range - Tile Select | 0 | - | 4.87 | 59,228 |
| Countries by National Anthem | 0 | - | 4.93 | 71,291 |
| NATO Countries | 0 | - | 4.98 | 281,562 |
| EU Countries Quiz | 0 | - | 4.99 | 275,557 |
| Recently Independent Countries | 0 | - | 4.98 | 159,480 |
| French-Speaking Countries | 0 | - | 4.85 | 270,871 |
| Natural Features of Countries #1 | 0 | - | 4.87 | 83,900 |
| Countries That Use the Euro | 0 | - | 4.95 | 105,558 |
| Countries with the Most Military Troops | 0 | - | 4.95 | 289,343 |
| Countries with Nuclear Weapons | 0 | - | 4.86 | 274,487 |
| German-Speaking Countries | 0 | - | 4.91 | 145,748 |
| Countries with Wild Tigers | 0 | - | 4.96 | 136,971 |
| Countries with Wild Penguins | 0 | - | 4.94 | 100,294 |
