| Countries of the World with an Empty Map | 0 | - | 5.00 | 3,379,379 |
| Countries of the World in Alphabetical Order | 0 | - | 5.00 | 110,631 |
| Recognized, Non-Recognized Countries, and Territories of the World | 0 | - | 5.00 | 156,362 |
| Countries within the Arctic Circle - Map Quiz | 0 | - | 4.85 | 63,930 |
| Countries by Borders in 90 Seconds | 0 | - | 4.99 | 3,828,591 |
| Landlocked Countries | 0 | - | 4.99 | 420,389 |
| Save Humanity by Guessing Countries | 0 | - | 4.98 | 571,962 |
| Countries of the World Quiz | 0 | - | 5.00 | 47,450,126 |
| Countries of the World in 1900 | 0 | - | 4.89 | 84,885 |
| Countries of the World in 1914 with a Map | 0 | - | 4.99 | 195,213 |
| All Countries by Northernmost Point on Land | 0 | - | 4.89 | 126,362 |
| 20 Countries on an Empty Map #1 | 0 | - | 4.94 | 62,382 |
| Countries of the World in 1945 with a Map | 0 | - | 5.00 | 150,811 |
| Sahara Desert Countries | 0 | - | 4.98 | 163,653 |
| Himalayan Countries | 0 | - | 4.95 | 138,052 |
| Andean Countries | 0 | - | 4.95 | 84,240 |
| Countries with the Youngest Median Age | 0 | - | 4.97 | 63,465 |
| Countries in the Southern Hemisphere | 0 | - | 4.99 | 125,292 |
| Coffee Producing Countries | 0 | - | 4.83 | 67,101 |
| Countries with Shrinking Populations | 0 | - | 4.94 | 65,546 |
| Danube Countries | 0 | - | 4.97 | 71,817 |
| Countries With an "Ish" Demonym | 0 | - | 4.97 | 116,767 |
| Countries With an "Ese" Demonym | 0 | - | 4.97 | 86,214 |
| Countries with the Worst Passports | 0 | - | 4.94 | 83,944 |
| Countries with the Most Immigrants | 0 | - | 4.90 | 149,390 |
| European Landlocked Countries | 0 | - | 4.99 | 146,951 |
| Partially Recognized Countries | 0 | - | 4.98 | 106,359 |
| Countries with the Most Species | 0 | - | 4.99 | 103,076 |
| Countries 197 to 205 | 0 | - | 4.89 | 70,519 |
| Tropic of Cancer Countries | 0 | - | 4.97 | 53,496 |
| Tropic of Capricorn Countries | 0 | - | 4.96 | 47,655 |
| Countries that Use the Peso | 0 | - | 4.89 | 59,433 |
| Countries with the Largest Exclusive Economic Zone | 0 | - | 4.90 | 73,112 |
| Countries with a AAA Credit Rating | 0 | - | 4.86 | 57,498 |
| Countries in the Alps | 0 | - | 4.87 | 117,948 |
| Top Five Importing Partners by Country | 0 | - | 4.97 | 99,173 |
| Countries, Capitals, Currencies and Official Languages | 0 | - | 5.00 | 106,673 |
| Biggest Import Partners By Country | 0 | - | 4.99 | 78,541 |
| Southernmost Countries by Continent | 0 | - | 4.98 | 96,438 |
| Northernmost Countries by Continent | 0 | - | 4.98 | 116,290 |
| Countries by Population Growth, 1970–Present | 0 | - | 4.92 | 95,826 |
| Five Biggest Countries by Latitude | 0 | - | 4.97 | 100,456 |
| Five Biggest Countries by Longitude | 0 | - | 4.91 | 53,327 |
| Largest Country by Body of Water | 0 | - | 4.96 | 58,068 |
| Countries with the Most Container Port Traffic | 0 | - | 4.92 | 62,697 |
| Bridge and Tunnel Borders | 0 | - | 4.96 | 53,561 |
| Countries with the Longest Road Networks Quiz | 0 | - | 4.90 | 41,417 |
| Countries that Touch the Prime Meridian or Equator | 0 | - | 4.88 | 104,060 |
| Arctic Ocean Countries | 0 | - | 4.95 | 79,341 |
| Countries with the Most Grassland | 0 | - | 4.94 | 77,353 |
| All Countries by Area : Four at a Time | 0 | - | 5.00 | 118,496 |
| Countries with the Most Climate Zones | 0 | - | 4.96 | 68,171 |
| Countries that Host the Most Refugees | 0 | - | 4.95 | 59,682 |
| Countries of the World by Similar Area in 90 Seconds | 0 | - | 4.95 | 45,798 |
| All Countries of the World by Area with Hints | 0 | - | 4.97 | 243,110 |
| World Countries - Blind Typing | 0 | - | 5.00 | 107,633 |
| Countries in Their Own Alphabet | 0 | - | 4.95 | 48,100 |
| Largest Countries By Category | 0 | - | 4.97 | 157,907 |
| Countries by Countries | 0 | - | 4.97 | 63,002 |
| Country Flags with the Most White | 0 | - | 4.85 | 138,447 |
| Countries With the Northernmost Southernmost Point | 0 | - | 4.96 | 62,213 |
| Countries with the Southernmost Northernmost Point | 0 | - | 4.87 | 47,505 |
| All Countries by Population With a Map | 0 | - | 4.98 | 109,040 |
| Six Degrees of Separation - Countries #1 | 0 | - | 4.96 | 98,792 |
| Country Flags With Only Two Colors | 0 | - | 4.91 | 88,493 |
| Countries of Europe Quiz | 0 | - | 5.00 | 3,766,840 |
| Pixelated World Map | 0 | - | 5.00 | 143,386 |
| Countries of Europe in 1444 | 0 | - | 4.92 | 99,737 |
| Countries of the World in 1444 | 0 | - | 4.98 | 60,266 |
| Modern-Day Countries of the Inca Empire on a Map | 0 | - | 4.83 | 57,426 |
| Countries of the World with a Borderless Map | 0 | - | 4.99 | 82,142 |
| Top 50 Countries by Population - In Order | 0 | - | 4.98 | 330,198 |
| Spanish-Speaking Countries | 0 | - | 4.95 | 375,010 |
| Countries with the Most Tourists Quiz | 0 | - | 4.92 | 406,167 |
| Island Countries | 0 | - | 4.99 | 710,342 |
| Biggest Countries by Area | 0 | - | 5.00 | 1,047,730 |
| Northernmost Countries | 0 | - | 4.99 | 361,177 |
| Countries of South America | 0 | - | 5.00 | 924,937 |
| Countries of Oceania | 0 | - | 5.00 | 1,053,848 |
| Countries of Asia Quiz | 0 | - | 5.00 | 1,871,545 |
| "Land" Countries | 0 | - | 4.98 | 336,200 |
| Countries More Populous Than Their Neighbors | 0 | - | 4.99 | 173,438 |
| Countries with Megacities | 0 | - | 4.99 | 263,294 |
| Countries With More than 50 Million People | 0 | - | 4.99 | 199,275 |
| Countries with the Most Population Growth by Decade | 0 | - | 4.98 | 113,230 |
| Countries With More than 200 Million People | 0 | - | 4.96 | 137,570 |
| Countries Less Populous Than Their Neighbors | 0 | - | 4.96 | 81,268 |
| Global Cities on a World Map | 0 | - | 4.93 | 136,109 |
| Countries by Official Language | 0 | - | 4.95 | 194,917 |
| Countries with the Most Speakers of These Languages | 0 | - | 4.91 | 295,929 |
| Countries in their Native Language | 0 | - | 4.99 | 198,441 |
| Independence from Whom | 0 | - | 4.99 | 211,687 |
| Subdivisions by Country | 0 | - | 4.86 | 50,355 |
| Who Controlled These Colonies? | 0 | - | 4.88 | 131,967 |
| Megadiverse Countries | 0 | - | 4.96 | 134,871 |
| Countries With the Most English Speakers | 0 | - | 4.86 | 131,775 |
| Countries Producing the Most Sugarcane | 0 | - | 4.95 | 55,252 |
| Countries with Multiple Big Islands | 0 | - | 4.93 | 125,841 |
| Top 10 Wheat-Producing Countries | 0 | - | 4.89 | 75,058 |
| 15 Biggest Island Countries | 0 | - | 4.98 | 162,898 |
| Most Recently-Settled Countries | 0 | - | 4.94 | 62,473 |
| Countries of the World in 1938 Quiz | 0 | - | 4.95 | 94,204 |
| Countries Bigger Than Their Neighbors | 0 | - | 4.93 | 153,931 |
| Countries with Multiple Populous Islands | 0 | - | 4.89 | 95,557 |
| Countries in Relation to Cities #1 | 0 | - | 4.92 | 45,036 |
| Countries by Sports League Revenue | 0 | - | 4.95 | 77,323 |
| Landmarks of Countries #1 | 0 | - | 4.88 | 107,789 |
| Countries Furthest from the United States | 0 | - | 4.94 | 89,089 |
| Countries with the Highest HDI | 0 | - | 4.95 | 136,863 |
| Straight Shot to the Arctic Circle | 0 | - | 4.88 | 75,251 |
| Most Dispersed Island Nations | 0 | - | 4.97 | 71,410 |
| Mediterranean Countries with an Empty Map | 0 | - | 4.99 | 105,076 |
| World Map Quiz | 0 | - | 4.81 | 64,846 |
| Smallest Countries with at Least One Border | 0 | - | 4.87 | 107,183 |
| Countries by Sports in 60 Seconds | 0 | - | 4.92 | 145,313 |
| Countries by Founding Story | 0 | - | 4.95 | 77,208 |
| Countries by Road Signs | 0 | - | 4.98 | 53,819 |
| Countries That Do Not Border | 0 | - | 4.99 | 60,272 |
| Southernmost Countries of the World | 0 | - | 4.99 | 227,768 |
| Countries by Inland Surface Water | 0 | - | 4.94 | 105,081 |
| Top 20 Motor Vehicle Producing Countries | 0 | - | 4.91 | 122,821 |
| Countries With the Most Languages | 0 | - | 4.90 | 201,749 |
| Countries with the Highest Population Under Age 15 | 0 | - | 4.95 | 110,705 |
| Countries with the Highest Population 65 and Older | 0 | - | 4.90 | 93,839 |
| Countries with the Most Prisoners | 0 | - | 4.94 | 98,990 |
| Countries with the Most Domestic Camels | 0 | - | 4.94 | 61,347 |
| Tallest Countries North to South | 0 | - | 4.83 | 120,423 |
| Widest Countries East to West | 0 | - | 4.92 | 129,493 |
| Countries with the Highest Average Elevation | 0 | - | 4.98 | 71,415 |
| Largest Countries by Area or Population | 0 | - | 5.00 | 186,156 |
| Countries with the Most Area in the Southern Hemisphere | 0 | - | 4.99 | 98,058 |
| Most Populous Countries as a Percent of Their Continent | 0 | - | 4.97 | 94,633 |
| Largest Countries as a Percent of Continent | 0 | - | 4.97 | 148,402 |
| Countries with the Most Desert | 0 | - | 4.93 | 127,696 |
| Countries by Contribution to UN Budget | 0 | - | 4.87 | 77,307 |
| Countries with Most Nobel Laureates per Capita | 0 | - | 4.83 | 34,761 |
| Countries With the Tallest People | 0 | - | 4.93 | 94,892 |
| Countries with Double Letters | 0 | - | 4.97 | 95,376 |
| Countries that End in N | 0 | - | 4.95 | 170,411 |
| Countries with Five Letters | 0 | - | 4.96 | 281,331 |
| Countries with Six Letters | 0 | - | 4.94 | 212,826 |
| Countries with W | 0 | - | 4.97 | 159,724 |
| Countries with Z | 0 | - | 4.98 | 290,631 |
| Countries with Letters Missing | 0 | - | 4.96 | 185,981 |
| Countries That End in U | 0 | - | 4.95 | 120,522 |
| Top 20 Longest One-Word Country Names | 0 | - | 4.98 | 134,001 |
| Countries that End in O | 0 | - | 4.92 | 159,290 |
| Countries that End in R | 0 | - | 4.87 | 118,808 |
| Country Names Created by Only 4 Letters | 0 | - | 4.99 | 155,576 |
| Countries Ending in "IA" | 0 | - | 4.99 | 208,606 |
| Countries by First and Last Letter #1 | 0 | - | 4.97 | 170,327 |
| Countries by Last Two Letters | 0 | - | 4.85 | 135,221 |
| Countries by First and Last Letter #2 | 0 | - | 4.96 | 141,831 |
| Countries That End in Y | 0 | - | 4.91 | 185,726 |
| Countries Based on First Two Letters #1 | 0 | - | 4.99 | 197,532 |
| Countries with Cardinal Directions in Their Names | 0 | - | 4.92 | 152,604 |
| Countries that End in I | 0 | - | 4.94 | 134,955 |
| Countries Based on First Two Letters #2 | 0 | - | 4.99 | 183,726 |
| Countries by Initial Letter and Length #1 | 0 | - | 4.98 | 95,670 |
| Countries That End in NIA | 0 | - | 4.92 | 109,628 |
| Countries That End in BIA | 0 | - | 4.93 | 148,982 |
| Countries by Initial Letter and Continent #1 | 0 | - | 4.94 | 166,882 |
| Countries Whose Names Start with Saint | 0 | - | 4.87 | 119,208 |
| Countries That End in RIA | 0 | - | 4.93 | 126,648 |
| Most Common Words in Official Country Names | 0 | - | 4.86 | 110,777 |
| Divided Country Name Puzzle #1 | 0 | - | 4.99 | 227,096 |
| Divided Country Name Puzzle #2 | 0 | - | 4.99 | 133,411 |
| Divided Country Name Puzzle #3 | 0 | - | 4.92 | 125,805 |
| Groups of Countries that Start with the Same 3 Letters | 0 | - | 5.00 | 91,340 |
| Add A Letter - Make a Country | 0 | - | 4.82 | 74,415 |
| Countries With One Word and Three A's | 0 | - | 4.92 | 52,800 |
| Countries with a Unique Last Letter | 0 | - | 4.90 | 103,358 |
| Unique Starting Letter - Countries by Continent | 0 | - | 4.98 | 125,298 |
| Countries that are Free from U.S.A. | 0 | - | 4.89 | 49,287 |
| Countries with the Word "And" | 0 | - | 4.99 | 117,001 |
| Countries Containing Two or More Words | 0 | - | 4.97 | 53,715 |
| Countries that End in L | 0 | - | 4.94 | 156,657 |
| "Stan" Countries Quiz | 0 | - | 4.97 | 214,780 |
| Countries Ending with "An", but not "Stan" | 0 | - | 4.98 | 85,190 |
| City to Country Quiz #1 | 0 | - | 4.97 | 155,910 |
| City to Country Quiz #3 | 0 | - | 4.88 | 118,824 |
| 45 European Countries, 45 Cities | 0 | - | 4.95 | 78,874 |
| Five Biggest Countries by Continent | 0 | - | 4.99 | 249,418 |
| Five Poorest Countries by Continent | 0 | - | 4.93 | 200,396 |
| Five Least Populated Countries by Continent | 0 | - | 4.95 | 142,807 |
| Five Smallest Countries by Continent | 0 | - | 4.98 | 163,330 |
| First Five Countries Alphabetically by Continent | 0 | - | 4.94 | 224,836 |
| Last Five Countries Alphabetically by Continent | 0 | - | 4.98 | 152,712 |
| Five Northernmost Capital Cities by Continent | 0 | - | 4.89 | 71,017 |
| Top 10 Countries in Nuclear Power Production | 0 | - | 4.95 | 86,641 |
| 10 Northernmost Countries That Start with S | 0 | - | 4.94 | 62,760 |
| ALL First-Level Subdivisions of the World With a Map | 0 | - | 5.00 | 147,000 |
| All First-Level Subdivisions of Europe by Proximity | 0 | - | 4.85 | 77,075 |
| Top World Languages on a Map | 0 | - | 4.94 | 103,105 |
| Official Languages of the World on the Disappearing World Map | 0 | - | 4.99 | 116,578 |
| 407 Islands on the World Map | 0 | - | 4.99 | 35,193 |
| Historic Journeys on a World Map | 0 | - | 4.99 | 46,704 |
| Smallest Countries with at Least Two Borders | 0 | - | 4.97 | 42,640 |
| Biggest Countries by Population | 0 | - | 5.00 | 1,445,528 |
| Smallest Countries by Population and Area | 0 | - | 4.99 | 380,298 |
