| Five Biggest Countries by Continent | 0 | - | 4.99 | 246,680 |
| Five Poorest Countries by Continent | 0 | - | 4.93 | 199,034 |
| Five Least Populated Countries by Continent | 0 | - | 4.96 | 125,887 |
| Five Smallest Countries by Continent | 0 | - | 4.98 | 162,136 |
| First Five Countries Alphabetically by Continent | 0 | - | 4.93 | 223,327 |
| Last Five Countries Alphabetically by Continent | 0 | - | 4.98 | 151,483 |
| Five Northernmost Capital Cities by Continent | 0 | - | 4.89 | 70,594 |
| Landlocked Countries | 0 | - | 4.99 | 413,283 |
| Five Most Densely Populated Countries by Continent | 0 | - | 4.95 | 85,773 |
| Five Most Populated Countries by Continent | 0 | - | 4.99 | 265,821 |
| Five Least Densely Populated Countries by Continent | 0 | - | 4.92 | 92,538 |
| Countries of the World Quiz | 0 | - | 5.00 | 46,891,220 |
| Five Most Elevated Countries by Continent | 0 | - | 4.98 | 112,074 |
| Five Countries With the Most Tourists by Continent | 0 | - | 4.95 | 118,883 |
| Sahara Desert Countries | 0 | - | 4.98 | 160,433 |
| Himalayan Countries | 0 | - | 4.95 | 135,217 |
| Andean Countries | 0 | - | 4.94 | 82,757 |
| Countries with the Youngest Median Age | 0 | - | 4.97 | 62,168 |
| Countries in the Southern Hemisphere | 0 | - | 4.99 | 123,110 |
| Coffee Producing Countries | 0 | - | 4.81 | 65,836 |
| Countries with Shrinking Populations | 0 | - | 4.93 | 64,543 |
| Danube Countries | 0 | - | 4.97 | 71,044 |
| Countries With an "Ish" Demonym | 0 | - | 4.98 | 115,709 |
| Countries With an "Ese" Demonym | 0 | - | 4.97 | 85,500 |
| Countries with the Worst Passports | 0 | - | 4.94 | 82,392 |
| Countries with the Most Immigrants | 0 | - | 4.90 | 147,319 |
| European Landlocked Countries | 0 | - | 4.99 | 145,716 |
| Partially Recognized Countries | 0 | - | 4.98 | 105,143 |
| Countries with the Most Species | 0 | - | 4.99 | 95,224 |
| Countries 197 to 205 | 0 | - | 4.89 | 69,286 |
| Tropic of Cancer Countries | 0 | - | 4.97 | 53,192 |
| Tropic of Capricorn Countries | 0 | - | 4.96 | 47,357 |
| Countries that Use the Peso | 0 | - | 4.87 | 58,938 |
| Countries with the Largest Exclusive Economic Zone | 0 | - | 4.89 | 72,549 |
| Countries with a AAA Credit Rating | 0 | - | 4.85 | 56,920 |
| Countries in the Alps | 0 | - | 4.87 | 116,767 |
| Top Five Importing Partners by Country | 0 | - | 4.97 | 94,526 |
| Countries, Capitals, Currencies and Official Languages | 0 | - | 5.00 | 105,184 |
| Biggest Import Partners By Country | 0 | - | 4.99 | 77,984 |
| Southernmost Countries by Continent | 0 | - | 4.98 | 95,389 |
| Northernmost Countries by Continent | 0 | - | 4.98 | 115,113 |
| Countries by Population Growth, 1970–Present | 0 | - | 4.91 | 94,968 |
| Five Biggest Countries by Latitude | 0 | - | 4.97 | 99,528 |
| Five Biggest Countries by Longitude | 0 | - | 4.91 | 52,725 |
| Largest Country by Body of Water | 0 | - | 4.96 | 57,078 |
| Countries with the Most Container Port Traffic | 0 | - | 4.92 | 62,019 |
| Bridge and Tunnel Borders | 0 | - | 4.96 | 53,182 |
| Countries with the Longest Road Networks Quiz | 0 | - | 4.90 | 41,022 |
| Countries that Touch the Prime Meridian or Equator | 0 | - | 4.88 | 103,416 |
| Arctic Ocean Countries | 0 | - | 4.95 | 78,714 |
| Countries with the Most Grassland | 0 | - | 4.93 | 76,720 |
| All Countries by Area : Four at a Time | 0 | - | 5.00 | 116,995 |
| Countries with the Most Climate Zones | 0 | - | 4.96 | 67,608 |
| Countries that Host the Most Refugees | 0 | - | 4.95 | 59,235 |
| Countries of the World by Similar Area in 90 Seconds | 0 | - | 4.95 | 44,732 |
| All Countries of the World by Area with Hints | 0 | - | 4.97 | 239,081 |
| World Countries - Blind Typing | 0 | - | 5.00 | 105,530 |
| Countries in Their Own Alphabet | 0 | - | 4.95 | 47,574 |
| Largest Countries By Category | 0 | - | 4.97 | 156,694 |
| Countries by Countries | 0 | - | 4.96 | 62,223 |
| Country Flags with the Most White | 0 | - | 4.87 | 137,323 |
| Countries With the Northernmost Southernmost Point | 0 | - | 4.96 | 61,952 |
| Countries with the Southernmost Northernmost Point | 0 | - | 4.87 | 47,316 |
| Country Flags With Only Two Colors | 0 | - | 4.92 | 87,721 |
| Countries of Europe Quiz | 0 | - | 5.00 | 3,713,601 |
| Five Least Guessed Countries by Continent | 0 | - | 4.97 | 96,570 |
| Top 50 Countries by Population - In Order | 0 | - | 4.98 | 323,462 |
| Spanish-Speaking Countries | 0 | - | 4.95 | 372,005 |
| Countries with the Most Tourists Quiz | 0 | - | 4.92 | 401,567 |
| Island Countries | 0 | - | 4.99 | 707,473 |
| Biggest Countries by Area | 0 | - | 4.99 | 1,039,025 |
| Northernmost Countries | 0 | - | 4.99 | 357,534 |
| Countries of South America | 0 | - | 5.00 | 914,128 |
| Countries of Oceania | 0 | - | 5.00 | 1,039,673 |
| Countries of Asia Quiz | 0 | - | 5.00 | 1,847,024 |
| "Land" Countries | 0 | - | 4.98 | 333,552 |
| Five Lowest HDI Countries by Continent | 0 | - | 4.63 | 51,274 |
| Countries of the World with an Empty Map | 0 | - | 5.00 | 3,361,374 |
| Countries More Populous Than Their Neighbors | 0 | - | 4.99 | 170,993 |
| Countries with Megacities | 0 | - | 4.99 | 246,514 |
| Countries With More than 50 Million People | 0 | - | 4.99 | 196,910 |
| Countries with the Most Population Growth by Decade | 0 | - | 4.98 | 111,793 |
| Countries With More than 200 Million People | 0 | - | 4.96 | 135,364 |
| Countries Less Populous Than Their Neighbors | 0 | - | 4.96 | 79,754 |
| Countries by Official Language | 0 | - | 4.95 | 192,700 |
| Countries with the Most Speakers of These Languages | 0 | - | 4.91 | 293,028 |
| Countries in their Native Language | 0 | - | 4.99 | 196,556 |
| Independence from Whom | 0 | - | 4.99 | 209,591 |
| Subdivisions by Country | 0 | - | 4.86 | 50,049 |
| Who Controlled These Colonies? | 0 | - | 4.88 | 130,679 |
| Megadiverse Countries | 0 | - | 4.97 | 133,866 |
| Countries With the Most English Speakers | 0 | - | 4.86 | 129,732 |
| Countries Producing the Most Sugarcane | 0 | - | 4.95 | 54,903 |
| Countries with Multiple Big Islands | 0 | - | 4.93 | 125,404 |
| Top 10 Wheat-Producing Countries | 0 | - | 4.89 | 74,848 |
| 15 Biggest Island Countries | 0 | - | 4.98 | 161,602 |
| Most Recently-Settled Countries | 0 | - | 4.94 | 61,972 |
| Countries of the World in 1938 Quiz | 0 | - | 4.95 | 92,833 |
| Countries Bigger Than Their Neighbors | 0 | - | 4.93 | 153,115 |
| Countries with Multiple Populous Islands | 0 | - | 4.89 | 95,200 |
| Countries in Relation to Cities #1 | 0 | - | 4.92 | 44,732 |
| Countries by Sports League Revenue | 0 | - | 4.94 | 75,496 |
| Landmarks of Countries #1 | 0 | - | 4.88 | 107,396 |
| Countries Furthest from the United States | 0 | - | 4.94 | 88,473 |
| Countries with the Highest HDI | 0 | - | 4.95 | 136,486 |
| Straight Shot to the Arctic Circle | 0 | - | 4.88 | 74,645 |
| Most Dispersed Island Nations | 0 | - | 4.96 | 71,003 |
| Countries of the World in Alphabetical Order | 0 | - | 5.00 | 108,478 |
| World Map Quiz | 0 | - | 4.81 | 63,445 |
| Recognized, Non-Recognized Countries, and Territories of the World | 0 | - | 5.00 | 152,476 |
| Smallest Countries with at Least One Border | 0 | - | 4.87 | 106,284 |
| Countries by Founding Story | 0 | - | 4.95 | 76,490 |
| Countries by Road Signs | 0 | - | 4.98 | 53,064 |
| Southernmost Countries of the World | 0 | - | 4.99 | 226,270 |
| Countries by Inland Surface Water | 0 | - | 4.94 | 103,943 |
| Top 20 Motor Vehicle Producing Countries | 0 | - | 4.91 | 121,905 |
| Countries With the Most Languages | 0 | - | 4.90 | 199,635 |
| Countries with the Highest Population Under Age 15 | 0 | - | 4.95 | 109,823 |
| Countries with the Highest Population 65 and Older | 0 | - | 4.89 | 93,028 |
| Countries with the Most Prisoners | 0 | - | 4.94 | 98,236 |
| Countries with the Most Domestic Camels | 0 | - | 4.94 | 60,922 |
| Tallest Countries North to South | 0 | - | 4.83 | 119,304 |
| Widest Countries East to West | 0 | - | 4.92 | 128,573 |
| Countries with the Highest Average Elevation | 0 | - | 4.98 | 71,209 |
| Largest Countries by Area or Population | 0 | - | 5.00 | 185,162 |
| Countries with the Most Area in the Southern Hemisphere | 0 | - | 4.99 | 97,548 |
| Most Populous Countries as a Percent of Their Continent | 0 | - | 4.97 | 93,667 |
| Largest Countries as a Percent of Continent | 0 | - | 4.97 | 147,592 |
| Countries with the Most Desert | 0 | - | 4.93 | 127,006 |
| Countries by Contribution to UN Budget | 0 | - | 4.86 | 69,045 |
| Countries with Most Nobel Laureates per Capita | 0 | - | 4.84 | 34,566 |
| Countries with Double Letters | 0 | - | 4.97 | 93,307 |
| Countries that End in N | 0 | - | 4.94 | 156,371 |
| Countries with Five Letters Quiz | 0 | - | 4.96 | 258,600 |
| Countries with Six Letters | 0 | - | 4.93 | 210,281 |
| Countries with W | 0 | - | 4.97 | 158,175 |
| Countries with Z | 0 | - | 4.98 | 287,786 |
| Countries with Letters Missing | 0 | - | 4.97 | 184,497 |
| Countries That End in U | 0 | - | 4.95 | 119,489 |
| Top 20 Longest One-Word Country Names | 0 | - | 4.98 | 132,468 |
| Countries that End in O | 0 | - | 4.92 | 158,523 |
| Countries that End in R | 0 | - | 4.87 | 118,247 |
| Country Names Created by Only 4 Letters | 0 | - | 4.99 | 154,844 |
| Countries Ending in "IA" | 0 | - | 4.99 | 206,947 |
| Countries by First and Last Letter #1 | 0 | - | 4.97 | 169,272 |
| Countries by Last Two Letters | 0 | - | 4.85 | 134,452 |
| Countries by First and Last Letter #2 | 0 | - | 4.96 | 140,924 |
| Countries That End in Y | 0 | - | 4.90 | 185,181 |
| Countries Based on First Two Letters #1 | 0 | - | 4.99 | 196,300 |
| Countries with Cardinal Directions in Their Names | 0 | - | 4.92 | 151,619 |
| Countries that End in I | 0 | - | 4.94 | 134,375 |
| Countries Based on First Two Letters #2 | 0 | - | 4.99 | 182,121 |
| Countries by Initial Letter and Length #1 | 0 | - | 4.98 | 95,175 |
| Countries That End in NIA | 0 | - | 4.92 | 108,969 |
| Countries That End in BIA | 0 | - | 4.92 | 147,671 |
| Countries by Initial Letter and Continent #1 | 0 | - | 4.94 | 166,023 |
| Countries Whose Names Start with Saint | 0 | - | 4.87 | 118,446 |
| Countries That End in RIA | 0 | - | 4.93 | 126,052 |
| Most Common Words in Official Country Names | 0 | - | 4.85 | 109,972 |
| Divided Country Name Puzzle #1 | 0 | - | 4.99 | 225,115 |
| Divided Country Name Puzzle #2 | 0 | - | 4.99 | 132,486 |
| Divided Country Name Puzzle #3 | 0 | - | 4.92 | 124,864 |
| Groups of Countries that Start with the Same 3 Letters | 0 | - | 5.00 | 90,320 |
| Add A Letter - Make a Country | 0 | - | 4.82 | 73,908 |
| Countries With One Word and Three A's | 0 | - | 4.92 | 52,084 |
| Countries with a Unique Last Letter | 0 | - | 4.90 | 102,610 |
| Unique Starting Letter - Countries by Continent | 0 | - | 4.98 | 124,464 |
| Countries that are Free from U.S.A. | 0 | - | 4.89 | 48,802 |
| Countries with the Word "And" | 0 | - | 4.99 | 116,085 |
| Countries Containing Two or More Words | 0 | - | 4.96 | 52,769 |
| Countries that End in L | 0 | - | 4.94 | 155,689 |
| "Stan" Countries Quiz | 0 | - | 4.97 | 210,981 |
| Countries Ending with "An", but not "Stan" | 0 | - | 4.98 | 84,975 |
| City to Country Quiz #1 | 0 | - | 4.97 | 155,494 |
| City to Country Quiz #3 | 0 | - | 4.88 | 118,266 |
| 45 European Countries, 45 Cities | 0 | - | 4.95 | 78,404 |
| Five Most Guessed Countries by Continent | 0 | - | 4.97 | 171,342 |
| Top 15 Countries that Produce the Most Tea | 0 | - | 4.81 | 108,158 |
| Top 10 Countries in Nuclear Power Production | 0 | - | 4.95 | 86,407 |
| 10 Northernmost Countries That Start with S | 0 | - | 4.94 | 62,289 |
| Biggest Countries by Population | 0 | - | 5.00 | 1,434,437 |
| Smallest Countries by Population and Area | 0 | - | 4.99 | 377,461 |
| One Border Countries | 0 | - | 4.98 | 464,102 |
| Five Highest HDI Countries by Continent | 0 | - | 4.52 | 58,017 |
| Countries by Borders in 90 Seconds | 0 | - | 4.99 | 3,799,645 |
| Countries by First Two Letters in 90 Seconds | 0 | - | 4.98 | 5,586,123 |
| Most Populous Countries with Exceptions | 0 | - | 4.98 | 120,823 |
| Top 10 Most Densely-Populated Countries in Europe | 0 | - | 4.98 | 111,441 |
| Countries by Population Range - Tile Select | 0 | - | 4.87 | 58,206 |
| Countries by National Anthem | 0 | - | 4.92 | 71,010 |
| NATO Countries | 0 | - | 4.98 | 275,502 |
| EU Countries Quiz | 0 | - | 4.99 | 269,732 |
| Recently Independent Countries | 0 | - | 4.98 | 157,938 |
| French-Speaking Countries | 0 | - | 4.85 | 268,713 |
| Natural Features of Countries #1 | 0 | - | 4.86 | 83,361 |
| Countries That Use the Euro | 0 | - | 4.96 | 102,881 |
| Countries with the Most Military Troops | 0 | - | 4.95 | 284,767 |
| Countries with Nuclear Weapons | 0 | - | 4.86 | 268,061 |
| German-Speaking Countries | 0 | - | 4.89 | 123,488 |
| Countries with Wild Tigers | 0 | - | 4.96 | 135,579 |
