| Countries with Multiple Big Islands | 0 | - | 4.93 | 125,881 |
| 15 Biggest Island Countries | 0 | - | 4.98 | 163,016 |
| Countries with Multiple Populous Islands | 0 | - | 4.89 | 95,605 |
| Most Dispersed Island Nations | 0 | - | 4.97 | 71,454 |
| Landlocked Countries | 0 | - | 4.99 | 421,234 |
| Countries of the World Quiz | 0 | - | 5.00 | 47,522,296 |
| Countries With the Most Islands of at Least 10 Km² | 0 | - | 4.88 | 144,675 |
| Sahara Desert Countries | 0 | - | 4.98 | 164,078 |
| Himalayan Countries | 0 | - | 4.95 | 138,390 |
| Andean Countries | 0 | - | 4.93 | 84,414 |
| Countries with the Youngest Median Age | 0 | - | 4.97 | 63,635 |
| Countries in the Southern Hemisphere | 0 | - | 4.99 | 125,564 |
| Coffee Producing Countries | 0 | - | 4.83 | 67,258 |
| Countries with Shrinking Populations | 0 | - | 4.94 | 65,658 |
| Danube Countries | 0 | - | 4.97 | 71,919 |
| Countries With an "Ish" Demonym | 0 | - | 4.98 | 116,898 |
| Countries With an "Ese" Demonym | 0 | - | 4.97 | 86,328 |
| Countries with the Worst Passports | 0 | - | 4.94 | 84,138 |
| Countries with the Most Immigrants | 0 | - | 4.90 | 149,599 |
| European Landlocked Countries | 0 | - | 4.99 | 147,053 |
| Partially Recognized Countries | 0 | - | 4.98 | 106,496 |
| Countries with the Most Species | 0 | - | 4.99 | 103,160 |
| Countries 197 to 205 | 0 | - | 4.89 | 70,648 |
| Tropic of Cancer Countries | 0 | - | 4.97 | 53,543 |
| Tropic of Capricorn Countries | 0 | - | 4.96 | 47,685 |
| Countries that Use the Peso | 0 | - | 4.89 | 59,488 |
| Countries with the Largest Exclusive Economic Zone | 0 | - | 4.90 | 73,166 |
| Countries with a AAA Credit Rating | 0 | - | 4.86 | 57,579 |
| Countries in the Alps | 0 | - | 4.87 | 118,074 |
| Top Five Importing Partners by Country | 0 | - | 4.97 | 100,543 |
| Countries, Capitals, Currencies and Official Languages | 0 | - | 5.00 | 106,882 |
| Biggest Import Partners By Country | 0 | - | 4.99 | 78,595 |
| Southernmost Countries by Continent | 0 | - | 4.98 | 96,523 |
| Northernmost Countries by Continent | 0 | - | 4.98 | 116,408 |
| Countries by Population Growth, 1970–Present | 0 | - | 4.92 | 95,887 |
| Five Biggest Countries by Latitude | 0 | - | 4.97 | 100,568 |
| Five Biggest Countries by Longitude | 0 | - | 4.91 | 53,425 |
| Largest Country by Body of Water | 0 | - | 4.96 | 58,129 |
| Countries with the Most Container Port Traffic | 0 | - | 4.92 | 62,774 |
| Bridge and Tunnel Borders | 0 | - | 4.96 | 53,604 |
| Countries with the Longest Road Networks Quiz | 0 | - | 4.90 | 41,465 |
| Countries that Touch the Prime Meridian or Equator | 0 | - | 4.88 | 104,141 |
| Arctic Ocean Countries | 0 | - | 4.95 | 79,403 |
| Countries with the Most Grassland | 0 | - | 4.94 | 77,442 |
| All Countries by Area : Four at a Time | 0 | - | 5.00 | 118,714 |
| Countries with the Most Climate Zones | 0 | - | 4.96 | 68,238 |
| Countries that Host the Most Refugees | 0 | - | 4.95 | 60,601 |
| Countries of the World by Similar Area in 90 Seconds | 0 | - | 4.95 | 45,929 |
| All Countries of the World by Area with Hints | 0 | - | 4.97 | 243,559 |
| World Countries - Blind Typing | 0 | - | 5.00 | 107,880 |
| Countries in Their Own Alphabet | 0 | - | 4.95 | 48,164 |
| Largest Countries By Category | 0 | - | 4.97 | 158,066 |
| Countries by Countries | 0 | - | 4.96 | 63,106 |
| Country Flags with the Most White | 0 | - | 4.85 | 138,581 |
| Countries With the Northernmost Southernmost Point | 0 | - | 4.96 | 62,249 |
| Countries with the Southernmost Northernmost Point | 0 | - | 4.87 | 47,539 |
| All Countries by Population With a Map | 0 | - | 4.98 | 109,346 |
| Six Degrees of Separation - Countries #1 | 0 | - | 4.96 | 98,905 |
| Country Flags With Only Two Colors | 0 | - | 4.91 | 88,594 |
| Countries of Europe Quiz | 0 | - | 5.00 | 3,773,129 |
| Top 50 Countries by Population - In Order | 0 | - | 4.98 | 330,939 |
| Spanish-Speaking Countries | 0 | - | 4.95 | 375,299 |
| Countries with the Most Tourists Quiz | 0 | - | 4.92 | 406,744 |
| Biggest Countries by Area | 0 | - | 5.00 | 1,048,871 |
| Northernmost Countries | 0 | - | 4.99 | 361,609 |
| Countries of South America | 0 | - | 5.00 | 926,207 |
| Countries of Oceania | 0 | - | 5.00 | 1,055,441 |
| Countries of Asia Quiz | 0 | - | 5.00 | 1,874,749 |
| "Land" Countries | 0 | - | 4.98 | 337,089 |
| Countries of the World with an Empty Map | 0 | - | 5.00 | 3,381,711 |
| Countries More Populous Than Their Neighbors | 0 | - | 4.99 | 173,694 |
| Countries with Megacities | 0 | - | 4.99 | 264,061 |
| Countries With More than 50 Million People | 0 | - | 4.99 | 199,533 |
| Countries with the Most Population Growth by Decade | 0 | - | 4.98 | 113,372 |
| Countries With More than 200 Million People | 0 | - | 4.96 | 137,799 |
| Countries Less Populous Than Their Neighbors | 0 | - | 4.96 | 81,426 |
| Countries by Official Language | 0 | - | 4.95 | 195,090 |
| Countries with the Most Speakers of These Languages | 0 | - | 4.91 | 296,159 |
| Countries in their Native Language | 0 | - | 4.99 | 198,801 |
| Independence from Whom | 0 | - | 4.99 | 211,910 |
| Subdivisions by Country | 0 | - | 4.86 | 50,395 |
| Who Controlled These Colonies? | 0 | - | 4.88 | 132,595 |
| Megadiverse Countries | 0 | - | 4.96 | 134,948 |
| Countries With the Most English Speakers | 0 | - | 4.86 | 131,946 |
| Countries Producing the Most Sugarcane | 0 | - | 4.95 | 55,306 |
| Top 10 Wheat-Producing Countries | 0 | - | 4.89 | 75,080 |
| Most Recently-Settled Countries | 0 | - | 4.94 | 62,553 |
| Countries of the World in 1938 Quiz | 0 | - | 4.95 | 94,353 |
| Countries Bigger Than Their Neighbors | 0 | - | 4.93 | 153,984 |
| Countries in Relation to Cities #1 | 0 | - | 4.92 | 45,055 |
| Countries by Sports League Revenue | 0 | - | 4.94 | 77,525 |
| Landmarks of Countries #1 | 0 | - | 4.88 | 107,836 |
| Countries Furthest from the United States | 0 | - | 4.94 | 89,149 |
| Countries with the Highest HDI | 0 | - | 4.95 | 136,920 |
| Straight Shot to the Arctic Circle | 0 | - | 4.88 | 75,306 |
| Countries of the World in Alphabetical Order | 0 | - | 5.00 | 110,962 |
| World Map Quiz | 0 | - | 4.81 | 64,986 |
| Recognized, Non-Recognized Countries, and Territories of the World | 0 | - | 5.00 | 156,861 |
| Smallest Countries with at Least One Border | 0 | - | 4.87 | 107,272 |
| Countries within the Arctic Circle - Map Quiz | 0 | - | 4.84 | 64,038 |
| Modern-Day Countries of the Umayyad Caliphate on a Map | 0 | - | 4.98 | 68,841 |
| Countries by Founding Story | 0 | - | 4.95 | 77,297 |
| Countries by Road Signs | 0 | - | 4.98 | 53,934 |
| Southernmost Countries of the World | 0 | - | 4.99 | 227,944 |
| Countries by Inland Surface Water | 0 | - | 4.93 | 105,189 |
| Top 20 Motor Vehicle Producing Countries | 0 | - | 4.91 | 122,911 |
| Countries With the Most Languages | 0 | - | 4.90 | 202,000 |
| Countries with the Highest Population Under Age 15 | 0 | - | 4.95 | 110,813 |
| Countries with the Highest Population 65 and Older | 0 | - | 4.90 | 93,940 |
| Countries with the Most Prisoners | 0 | - | 4.94 | 99,240 |
| Countries with the Most Domestic Camels | 0 | - | 4.94 | 61,399 |
| Tallest Countries North to South | 0 | - | 4.83 | 120,515 |
| Widest Countries East to West | 0 | - | 4.92 | 129,578 |
| Countries with the Highest Average Elevation | 0 | - | 4.98 | 71,434 |
| Largest Countries by Area or Population | 0 | - | 5.00 | 186,286 |
| Countries with the Most Area in the Southern Hemisphere | 0 | - | 4.99 | 98,096 |
| Most Populous Countries as a Percent of Their Continent | 0 | - | 4.97 | 94,715 |
| Largest Countries as a Percent of Continent | 0 | - | 4.97 | 148,503 |
| Countries with the Most Desert | 0 | - | 4.93 | 127,779 |
| Countries by Contribution to UN Budget | 0 | - | 4.87 | 77,340 |
| Countries with Most Nobel Laureates per Capita | 0 | - | 4.83 | 34,785 |
| Countries With the Tallest People | 0 | - | 4.93 | 94,944 |
| Countries with Double Letters | 0 | - | 4.96 | 96,027 |
| Countries that End in N | 0 | - | 4.95 | 170,920 |
| Countries with Five Letters | 0 | - | 4.96 | 282,069 |
| Countries with Six Letters | 0 | - | 4.94 | 213,325 |
| Countries with W | 0 | - | 4.97 | 160,166 |
| Countries with Z | 0 | - | 4.98 | 291,219 |
| Countries with Letters Missing | 0 | - | 4.96 | 186,528 |
| Countries That End in U | 0 | - | 4.95 | 120,757 |
| Top 20 Longest One-Word Country Names | 0 | - | 4.98 | 134,297 |
| Countries that End in O | 0 | - | 4.92 | 159,451 |
| Countries that End in R | 0 | - | 4.87 | 118,916 |
| Country Names Created by Only 4 Letters | 0 | - | 4.99 | 155,677 |
| Countries Ending in "IA" | 0 | - | 4.99 | 208,903 |
| Countries by First and Last Letter #1 | 0 | - | 4.97 | 170,582 |
| Countries by Last Two Letters | 0 | - | 4.85 | 135,395 |
| Countries by First and Last Letter #2 | 0 | - | 4.96 | 142,311 |
| Countries That End in Y | 0 | - | 4.91 | 185,824 |
| Countries Based on First Two Letters #1 | 0 | - | 4.99 | 197,782 |
| Countries with Cardinal Directions in Their Names | 0 | - | 4.92 | 152,749 |
| Countries that End in I | 0 | - | 4.94 | 135,043 |
| Countries Based on First Two Letters #2 | 0 | - | 4.99 | 183,951 |
| Countries by Initial Letter and Length #1 | 0 | - | 4.98 | 95,762 |
| Countries That End in NIA | 0 | - | 4.92 | 109,714 |
| Countries That End in BIA | 0 | - | 4.93 | 149,116 |
| Countries by Initial Letter and Continent #1 | 0 | - | 4.94 | 167,008 |
| Countries Whose Names Start with Saint | 0 | - | 4.87 | 119,339 |
| Countries That End in RIA | 0 | - | 4.93 | 126,754 |
| Most Common Words in Official Country Names | 0 | - | 4.86 | 110,931 |
| Divided Country Name Puzzle #1 | 0 | - | 4.99 | 227,356 |
| Divided Country Name Puzzle #2 | 0 | - | 4.99 | 133,571 |
| Divided Country Name Puzzle #3 | 0 | - | 4.92 | 125,965 |
| Groups of Countries that Start with the Same 3 Letters | 0 | - | 5.00 | 91,540 |
| Add A Letter - Make a Country | 0 | - | 4.82 | 74,527 |
| Countries With One Word and Three A's | 0 | - | 4.92 | 52,939 |
| Countries with a Unique Last Letter | 0 | - | 4.90 | 103,421 |
| Unique Starting Letter - Countries by Continent | 0 | - | 4.98 | 125,446 |
| Countries that are Free from U.S.A. | 0 | - | 4.89 | 49,370 |
| Countries with the Word "And" | 0 | - | 4.99 | 117,180 |
| Countries Containing Two or More Words | 0 | - | 4.97 | 53,869 |
| Countries that End in L | 0 | - | 4.94 | 156,759 |
| "Stan" Countries Quiz | 0 | - | 4.97 | 215,303 |
| Countries Ending with "An", but not "Stan" | 0 | - | 4.98 | 85,241 |
| City to Country Quiz #1 | 0 | - | 4.97 | 155,959 |
| City to Country Quiz #3 | 0 | - | 4.88 | 118,897 |
| 45 European Countries, 45 Cities | 0 | - | 4.95 | 78,926 |
| Five Biggest Countries by Continent | 0 | - | 4.99 | 249,597 |
| Five Poorest Countries by Continent | 0 | - | 4.93 | 200,552 |
| Five Least Populated Countries by Continent | 0 | - | 4.95 | 142,907 |
| Five Smallest Countries by Continent | 0 | - | 4.98 | 163,438 |
| First Five Countries Alphabetically by Continent | 0 | - | 4.94 | 225,312 |
| Last Five Countries Alphabetically by Continent | 0 | - | 4.98 | 152,801 |
| Five Northernmost Capital Cities by Continent | 0 | - | 4.89 | 71,055 |
| Top 10 Countries in Nuclear Power Production | 0 | - | 4.95 | 86,678 |
| 10 Northernmost Countries That Start with S | 0 | - | 4.94 | 62,817 |
| Name a Valid Island Country | 0 | - | 4.96 | 115,031 |
| Islands by Shape #2 | 0 | - | 4.88 | 59,310 |
| Biggest Countries by Population | 0 | - | 5.00 | 1,446,945 |
| Smallest Countries by Population and Area | 0 | - | 4.99 | 380,666 |
| One Border Countries | 0 | - | 4.98 | 469,329 |
| Every Country in its Official/Native Language | 0 | - | 4.98 | 25,424 |
| Countries by Borders in 90 Seconds | 0 | - | 4.99 | 3,831,792 |
| Countries by First Two Letters in 90 Seconds | 0 | - | 4.98 | 5,628,010 |
| Five Most Densely Populated Countries by Continent | 0 | - | 4.96 | 86,815 |
| Five Most Populated Countries by Continent | 0 | - | 4.99 | 268,012 |
| Most Populous Countries with Exceptions | 0 | - | 4.98 | 122,014 |
| Top 10 Most Densely-Populated Countries in Europe | 0 | - | 4.98 | 112,486 |
| Five Least Densely Populated Countries by Continent | 0 | - | 4.92 | 93,634 |
| Countries by Population Range - Tile Select | 0 | - | 4.87 | 59,153 |
| Countries by National Anthem | 0 | - | 4.93 | 71,267 |
| NATO Countries | 0 | - | 4.98 | 280,990 |
| EU Countries Quiz | 0 | - | 4.99 | 274,913 |
| Recently Independent Countries | 0 | - | 4.98 | 159,367 |
| French-Speaking Countries | 0 | - | 4.85 | 270,697 |
| Natural Features of Countries #1 | 0 | - | 4.87 | 83,867 |
| Countries That Use the Euro | 0 | - | 4.95 | 105,271 |
| Countries with the Most Military Troops | 0 | - | 4.95 | 288,869 |
| Countries with Nuclear Weapons | 0 | - | 4.86 | 273,837 |
| German-Speaking Countries | 0 | - | 4.91 | 145,650 |
