| Biggest Countries by Area | 0 | - | 5.00 | 1,047,888 |
| Northernmost Countries | 0 | - | 4.99 | 361,225 |
| Southernmost Countries of the World | 0 | - | 4.99 | 227,785 |
| Countries by Inland Surface Water | 0 | - | 4.94 | 105,095 |
| Countries With the Most Languages | 0 | - | 4.90 | 201,776 |
| Countries with the Highest Population Under Age 15 | 0 | - | 4.95 | 110,725 |
| Countries with the Highest Population 65 and Older | 0 | - | 4.90 | 93,860 |
| Countries with the Most Prisoners | 0 | - | 4.94 | 99,140 |
| Countries with the Most Domestic Camels | 0 | - | 4.94 | 61,353 |
| Tallest Countries North to South | 0 | - | 4.83 | 120,436 |
| Widest Countries East to West | 0 | - | 4.92 | 129,505 |
| Countries with the Highest Average Elevation | 0 | - | 4.98 | 71,416 |
| Largest Countries by Area or Population | 0 | - | 5.00 | 186,166 |
| Countries with the Most Area in the Southern Hemisphere | 0 | - | 4.99 | 98,063 |
| Most Populous Countries as a Percent of Their Continent | 0 | - | 4.97 | 94,643 |
| Largest Countries as a Percent of Continent | 0 | - | 4.97 | 148,415 |
| Countries with the Most Desert | 0 | - | 4.93 | 127,707 |
| Countries by Contribution to UN Budget | 0 | - | 4.87 | 77,311 |
| Countries with Most Nobel Laureates per Capita | 0 | - | 4.83 | 34,764 |
| Biggest Countries by Population | 0 | - | 5.00 | 1,445,737 |
| Smallest Countries by Population and Area | 0 | - | 4.99 | 380,352 |
| Landlocked Countries | 0 | - | 4.99 | 420,538 |
| Most Populous Countries with Exceptions | 0 | - | 4.98 | 121,909 |
| Countries of the World Quiz | 0 | - | 5.00 | 47,460,545 |
| Countries with the Highest Maximum Elevation | 0 | - | 4.97 | 180,654 |
| Top Olive Oil Producing Countries | 0 | - | 4.91 | 81,564 |
| Countries Producing the Most Oranges | 0 | - | 4.81 | 51,558 |
| Countries With the Most Islands of at Least 10 Km² | 0 | - | 4.88 | 144,593 |
| Countries with Most Tourists with Exceptions | 0 | - | 4.97 | 125,497 |
| Countries with the Highest Life Expectancy | 0 | - | 4.89 | 207,968 |
| Countries with the Most Borders | 0 | - | 4.97 | 388,482 |
| Sahara Desert Countries | 0 | - | 4.98 | 163,712 |
| Himalayan Countries | 0 | - | 4.95 | 138,087 |
| Andean Countries | 0 | - | 4.95 | 84,269 |
| Countries with the Youngest Median Age | 0 | - | 4.97 | 63,488 |
| Countries in the Southern Hemisphere | 0 | - | 4.99 | 125,333 |
| Coffee Producing Countries | 0 | - | 4.83 | 67,121 |
| Countries with Shrinking Populations | 0 | - | 4.94 | 65,564 |
| Danube Countries | 0 | - | 4.97 | 71,835 |
| Countries With an "Ish" Demonym | 0 | - | 4.97 | 116,796 |
| Countries With an "Ese" Demonym | 0 | - | 4.97 | 86,235 |
| Countries with the Worst Passports | 0 | - | 4.94 | 83,974 |
| Countries with the Most Immigrants | 0 | - | 4.90 | 149,425 |
| European Landlocked Countries | 0 | - | 4.99 | 146,964 |
| Partially Recognized Countries | 0 | - | 4.98 | 106,378 |
| Countries with the Most Species | 0 | - | 4.99 | 103,092 |
| Countries 197 to 205 | 0 | - | 4.89 | 70,531 |
| Tropic of Cancer Countries | 0 | - | 4.97 | 53,506 |
| Tropic of Capricorn Countries | 0 | - | 4.96 | 47,658 |
| Countries that Use the Peso | 0 | - | 4.89 | 59,444 |
| Countries with the Largest Exclusive Economic Zone | 0 | - | 4.90 | 73,116 |
| Countries with a AAA Credit Rating | 0 | - | 4.86 | 57,505 |
| Countries in the Alps | 0 | - | 4.87 | 117,960 |
| Top Five Importing Partners by Country | 0 | - | 4.97 | 99,468 |
| Countries, Capitals, Currencies and Official Languages | 0 | - | 5.00 | 106,710 |
| Biggest Import Partners By Country | 0 | - | 4.99 | 78,549 |
| Southernmost Countries by Continent | 0 | - | 4.98 | 96,454 |
| Northernmost Countries by Continent | 0 | - | 4.98 | 116,306 |
| Countries by Population Growth, 1970–Present | 0 | - | 4.92 | 95,832 |
| Five Biggest Countries by Latitude | 0 | - | 4.97 | 100,469 |
| Five Biggest Countries by Longitude | 0 | - | 4.91 | 53,339 |
| Largest Country by Body of Water | 0 | - | 4.96 | 58,077 |
| Countries with the Most Container Port Traffic | 0 | - | 4.92 | 62,704 |
| Bridge and Tunnel Borders | 0 | - | 4.96 | 53,568 |
| Countries with the Longest Road Networks Quiz | 0 | - | 4.90 | 41,421 |
| Countries that Touch the Prime Meridian or Equator | 0 | - | 4.88 | 104,071 |
| Arctic Ocean Countries | 0 | - | 4.95 | 79,349 |
| Countries with the Most Grassland | 0 | - | 4.94 | 77,366 |
| All Countries by Area : Four at a Time | 0 | - | 5.00 | 118,543 |
| Countries with the Most Climate Zones | 0 | - | 4.96 | 68,181 |
| Countries that Host the Most Refugees | 0 | - | 4.95 | 59,691 |
| Countries of the World by Similar Area in 90 Seconds | 0 | - | 4.95 | 45,823 |
| All Countries of the World by Area with Hints | 0 | - | 4.97 | 243,173 |
| World Countries - Blind Typing | 0 | - | 5.00 | 107,667 |
| Countries in Their Own Alphabet | 0 | - | 4.95 | 48,110 |
| Largest Countries By Category | 0 | - | 4.97 | 157,929 |
| Countries by Countries | 0 | - | 4.97 | 63,013 |
| Country Flags with the Most White | 0 | - | 4.85 | 138,466 |
| Countries With the Northernmost Southernmost Point | 0 | - | 4.96 | 62,218 |
| Countries with the Southernmost Northernmost Point | 0 | - | 4.87 | 47,511 |
| Country Flags With Only Two Colors | 0 | - | 4.91 | 88,511 |
| Countries of Europe Quiz | 0 | - | 5.00 | 3,767,665 |
| Countries that Produce the Most Palm Oil | 0 | - | 4.81 | 18,102 |
| Most Populous Countries in 2050 | 0 | - | 4.91 | 222,999 |
| Countries with the Highest Population Density | 0 | - | 4.95 | 164,970 |
| Countries with the Lowest Population Density | 0 | - | 4.98 | 170,127 |
| Coldest Countries | 0 | - | 4.97 | 138,481 |
| Countries Reducing Carbon Dioxide Emissions the Most | 0 | - | 4.89 | 64,658 |
| Countries Whose Airlines Carried the Most Passengers | 0 | - | 4.94 | 72,412 |
| Countries with the Shortest Total Borders | 0 | - | 4.94 | 103,861 |
| Countries with the Most Nobel Prizes | 0 | - | 4.87 | 90,545 |
| Countries with the Least Precipitation | 0 | - | 4.90 | 82,717 |
| Top 50 Countries by Population - In Order | 0 | - | 4.98 | 330,292 |
| Spanish-Speaking Countries | 0 | - | 4.95 | 375,046 |
| Countries with the Most Tourists Quiz | 0 | - | 4.92 | 406,240 |
| Island Countries | 0 | - | 4.99 | 710,391 |
| Countries of South America | 0 | - | 5.00 | 925,114 |
| Countries of Oceania | 0 | - | 5.00 | 1,054,047 |
| Countries of Asia Quiz | 0 | - | 5.00 | 1,871,955 |
| "Land" Countries | 0 | - | 4.98 | 336,409 |
| Countries with the Highest Obesity Rate | 0 | - | 4.45 | 189,987 |
| Top 10 Diamond Producing Countries | 0 | - | 4.47 | 33,221 |
| Countries with the Longest Perimeter | 0 | - | 4.74 | 89,193 |
| Recipients of U.S. Foreign Aid | 0 | - | 4.42 | 32,473 |
| Poorest Countries with Exceptions | 0 | - | 4.74 | 131,469 |
| Most Densely Populated Countries with Exceptions | 0 | - | 4.53 | 46,420 |
| Countries with the Most Area in the Tropics | 0 | - | 4.42 | 45,043 |
| Most Fragile Countries not in Africa | 0 | - | 4.45 | 63,286 |
| Countries by Wealth per Capita | 0 | - | 4.68 | 79,213 |
| Countries with the Most People in Extreme Poverty | 0 | - | 4.47 | 102,787 |
| Countries with the Lowest Murder Rate | 0 | - | 4.63 | 77,590 |
| Countries of the World with an Empty Map | 0 | - | 5.00 | 3,379,698 |
| Countries More Populous Than Their Neighbors | 0 | - | 4.99 | 173,467 |
| Countries with Megacities | 0 | - | 4.99 | 263,422 |
| Countries With More than 50 Million People | 0 | - | 4.99 | 199,305 |
| Countries with the Most Population Growth by Decade | 0 | - | 4.98 | 113,252 |
| Countries With More than 200 Million People | 0 | - | 4.96 | 137,602 |
| Countries Less Populous Than Their Neighbors | 0 | - | 4.96 | 81,286 |
| Countries by Official Language | 0 | - | 4.95 | 194,940 |
| Countries with the Most Speakers of These Languages | 0 | - | 4.91 | 295,957 |
| Countries in their Native Language | 0 | - | 4.99 | 198,464 |
| Independence from Whom | 0 | - | 4.99 | 211,719 |
| Subdivisions by Country | 0 | - | 4.86 | 50,361 |
| Who Controlled These Colonies? | 0 | - | 4.88 | 131,986 |
| Megadiverse Countries | 0 | - | 4.96 | 134,885 |
| Countries With the Most English Speakers | 0 | - | 4.86 | 131,806 |
| Countries Producing the Most Sugarcane | 0 | - | 4.95 | 55,259 |
| Countries with Multiple Big Islands | 0 | - | 4.93 | 125,846 |
| Top 10 Wheat-Producing Countries | 0 | - | 4.89 | 75,060 |
| 15 Biggest Island Countries | 0 | - | 4.98 | 162,916 |
| Most Recently-Settled Countries | 0 | - | 4.94 | 62,483 |
| Countries of the World in 1938 Quiz | 0 | - | 4.95 | 94,224 |
| Countries Bigger Than Their Neighbors | 0 | - | 4.93 | 153,938 |
| Countries with Multiple Populous Islands | 0 | - | 4.89 | 95,565 |
| Countries in Relation to Cities #1 | 0 | - | 4.92 | 45,042 |
| Countries by Sports League Revenue | 0 | - | 4.95 | 77,346 |
| Landmarks of Countries #1 | 0 | - | 4.88 | 107,795 |
| Countries Furthest from the United States | 0 | - | 4.94 | 89,095 |
| Countries with the Highest HDI | 0 | - | 4.95 | 136,872 |
| Straight Shot to the Arctic Circle | 0 | - | 4.88 | 75,253 |
| Most Dispersed Island Nations | 0 | - | 4.97 | 71,416 |
| Countries of the World in Alphabetical Order | 0 | - | 5.00 | 110,675 |
| World Map Quiz | 0 | - | 4.81 | 64,865 |
| Recognized, Non-Recognized Countries, and Territories of the World | 0 | - | 5.00 | 156,419 |
| Smallest Countries with at Least One Border | 0 | - | 4.87 | 107,198 |
| Countries with Double Letters | 0 | - | 4.97 | 95,400 |
| Countries that End in N | 0 | - | 4.95 | 170,440 |
| Countries with Five Letters | 0 | - | 4.96 | 281,391 |
| Countries with Six Letters | 0 | - | 4.94 | 212,854 |
| Countries with W | 0 | - | 4.97 | 159,734 |
| Countries with Z | 0 | - | 4.98 | 290,664 |
| Countries with Letters Missing | 0 | - | 4.96 | 185,998 |
| Countries That End in U | 0 | - | 4.95 | 120,528 |
| Top 20 Longest One-Word Country Names | 0 | - | 4.98 | 134,022 |
| Countries that End in O | 0 | - | 4.92 | 159,297 |
| Countries that End in R | 0 | - | 4.87 | 118,810 |
| Country Names Created by Only 4 Letters | 0 | - | 4.99 | 155,582 |
| Countries Ending in "IA" | 0 | - | 4.99 | 208,636 |
| Countries by First and Last Letter #1 | 0 | - | 4.97 | 170,341 |
| Countries by Last Two Letters | 0 | - | 4.85 | 135,229 |
| Countries by First and Last Letter #2 | 0 | - | 4.96 | 141,850 |
| Countries That End in Y | 0 | - | 4.91 | 185,731 |
| Countries Based on First Two Letters #1 | 0 | - | 4.99 | 197,543 |
| Countries with Cardinal Directions in Their Names | 0 | - | 4.92 | 152,629 |
| Countries that End in I | 0 | - | 4.94 | 134,961 |
| Countries Based on First Two Letters #2 | 0 | - | 4.99 | 183,744 |
| Countries by Initial Letter and Length #1 | 0 | - | 4.98 | 95,674 |
| Countries That End in NIA | 0 | - | 4.92 | 109,634 |
| Countries That End in BIA | 0 | - | 4.93 | 148,990 |
| Countries by Initial Letter and Continent #1 | 0 | - | 4.94 | 166,892 |
| Countries Whose Names Start with Saint | 0 | - | 4.87 | 119,216 |
| Countries That End in RIA | 0 | - | 4.93 | 126,655 |
| Most Common Words in Official Country Names | 0 | - | 4.86 | 110,788 |
| Divided Country Name Puzzle #1 | 0 | - | 4.99 | 227,128 |
| Divided Country Name Puzzle #2 | 0 | - | 4.99 | 133,432 |
| Divided Country Name Puzzle #3 | 0 | - | 4.92 | 125,818 |
| Groups of Countries that Start with the Same 3 Letters | 0 | - | 5.00 | 91,349 |
| Add A Letter - Make a Country | 0 | - | 4.82 | 74,425 |
| Countries With One Word and Three A's | 0 | - | 4.92 | 52,809 |
| Countries with a Unique Last Letter | 0 | - | 4.90 | 103,363 |
| Unique Starting Letter - Countries by Continent | 0 | - | 4.98 | 125,307 |
| Countries that are Free from U.S.A. | 0 | - | 4.89 | 49,291 |
| Countries with the Word "And" | 0 | - | 4.99 | 117,020 |
| Countries Containing Two or More Words | 0 | - | 4.97 | 53,737 |
| Countries that End in L | 0 | - | 4.94 | 156,668 |
| "Stan" Countries Quiz | 0 | - | 4.97 | 214,839 |
| Countries Ending with "An", but not "Stan" | 0 | - | 4.98 | 85,195 |
| City to Country Quiz #1 | 0 | - | 4.97 | 155,916 |
| City to Country Quiz #3 | 0 | - | 4.88 | 118,832 |
| 45 European Countries, 45 Cities | 0 | - | 4.95 | 78,884 |
| Five Biggest Countries by Continent | 0 | - | 4.99 | 249,438 |
| Five Poorest Countries by Continent | 0 | - | 4.93 | 200,410 |
| Five Least Populated Countries by Continent | 0 | - | 4.95 | 142,816 |
| Five Smallest Countries by Continent | 0 | - | 4.98 | 163,350 |
| First Five Countries Alphabetically by Continent | 0 | - | 4.94 | 224,850 |
| Last Five Countries Alphabetically by Continent | 0 | - | 4.98 | 152,730 |
| Five Northernmost Capital Cities by Continent | 0 | - | 4.89 | 71,020 |
| Top 10 Countries in Nuclear Power Production | 0 | - | 4.95 | 86,643 |
| 10 Northernmost Countries That Start with S | 0 | - | 4.94 | 62,767 |
| One Border Countries | 0 | - | 4.98 | 468,627 |