| Countries of the World with an Empty Map | 0 | - | 5.00 | 3,368,171 |
| Countries of the World in Alphabetical Order | 0 | - | 5.00 | 109,256 |
| Recognized, Non-Recognized Countries, and Territories of the World | 0 | - | 5.00 | 153,916 |
| Countries within the Arctic Circle - Map Quiz | 0 | - | 4.85 | 63,414 |
| Countries by Borders in 90 Seconds | 0 | - | 4.99 | 3,809,937 |
| Landlocked Countries | 0 | - | 4.99 | 415,754 |
| Save Humanity by Guessing Countries | 0 | - | 4.98 | 559,169 |
| Countries of the World Quiz | 0 | - | 5.00 | 47,091,967 |
| Countries of the World in 1900 | 0 | - | 4.89 | 83,968 |
| Countries of the World in 1914 with a Map | 0 | - | 4.99 | 193,867 |
| All Countries by Northernmost Point on Land | 0 | - | 4.89 | 125,469 |
| 20 Countries on an Empty Map #1 | 0 | - | 4.94 | 62,001 |
| Countries of the World in 1945 with a Map | 0 | - | 5.00 | 149,578 |
| Sahara Desert Countries | 0 | - | 4.98 | 161,479 |
| Himalayan Countries | 0 | - | 4.95 | 136,124 |
| Andean Countries | 0 | - | 4.95 | 83,240 |
| Countries with the Youngest Median Age | 0 | - | 4.97 | 62,559 |
| Countries in the Southern Hemisphere | 0 | - | 4.99 | 123,741 |
| Coffee Producing Countries | 0 | - | 4.83 | 66,249 |
| Countries with Shrinking Populations | 0 | - | 4.94 | 64,887 |
| Danube Countries | 0 | - | 4.97 | 71,305 |
| Countries With an "Ish" Demonym | 0 | - | 4.98 | 116,065 |
| Countries With an "Ese" Demonym | 0 | - | 4.97 | 85,755 |
| Countries with the Worst Passports | 0 | - | 4.94 | 82,958 |
| Countries with the Most Immigrants | 0 | - | 4.90 | 147,903 |
| European Landlocked Countries | 0 | - | 4.99 | 146,012 |
| Partially Recognized Countries | 0 | - | 4.98 | 105,605 |
| Countries with the Most Species | 0 | - | 4.99 | 95,374 |
| Countries 197 to 205 | 0 | - | 4.89 | 69,731 |
| Tropic of Cancer Countries | 0 | - | 4.97 | 53,283 |
| Tropic of Capricorn Countries | 0 | - | 4.96 | 47,453 |
| Countries that Use the Peso | 0 | - | 4.88 | 59,094 |
| Countries with the Largest Exclusive Economic Zone | 0 | - | 4.90 | 72,742 |
| Countries with a AAA Credit Rating | 0 | - | 4.85 | 57,115 |
| Countries in the Alps | 0 | - | 4.86 | 117,187 |
| Top Five Importing Partners by Country | 0 | - | 4.97 | 94,809 |
| Countries, Capitals, Currencies and Official Languages | 0 | - | 5.00 | 105,687 |
| Biggest Import Partners By Country | 0 | - | 4.99 | 78,183 |
| Southernmost Countries by Continent | 0 | - | 4.98 | 95,628 |
| Northernmost Countries by Continent | 0 | - | 4.98 | 115,436 |
| Countries by Population Growth, 1970–Present | 0 | - | 4.91 | 95,177 |
| Five Biggest Countries by Latitude | 0 | - | 4.97 | 99,863 |
| Five Biggest Countries by Longitude | 0 | - | 4.91 | 52,926 |
| Largest Country by Body of Water | 0 | - | 4.96 | 57,728 |
| Countries with the Most Container Port Traffic | 0 | - | 4.92 | 62,260 |
| Bridge and Tunnel Borders | 0 | - | 4.96 | 53,295 |
| Countries with the Longest Road Networks Quiz | 0 | - | 4.90 | 41,164 |
| Countries that Touch the Prime Meridian or Equator | 0 | - | 4.88 | 103,650 |
| Arctic Ocean Countries | 0 | - | 4.95 | 78,917 |
| Countries with the Most Grassland | 0 | - | 4.93 | 76,924 |
| All Countries by Area : Four at a Time | 0 | - | 5.00 | 117,551 |
| Countries with the Most Climate Zones | 0 | - | 4.96 | 67,825 |
| Countries that Host the Most Refugees | 0 | - | 4.95 | 59,367 |
| Countries of the World by Similar Area in 90 Seconds | 0 | - | 4.95 | 45,100 |
| All Countries of the World by Area with Hints | 0 | - | 4.97 | 240,490 |
| World Countries - Blind Typing | 0 | - | 5.00 | 106,328 |
| Countries in Their Own Alphabet | 0 | - | 4.95 | 47,760 |
| Largest Countries By Category | 0 | - | 4.97 | 157,112 |
| Countries by Countries | 0 | - | 4.96 | 62,489 |
| Country Flags with the Most White | 0 | - | 4.87 | 137,749 |
| Countries With the Northernmost Southernmost Point | 0 | - | 4.96 | 62,045 |
| Countries with the Southernmost Northernmost Point | 0 | - | 4.87 | 47,391 |
| All Countries by Population With a Map | 0 | - | 4.98 | 107,429 |
| Six Degrees of Separation - Countries #1 | 0 | - | 4.96 | 98,329 |
| Country Flags With Only Two Colors | 0 | - | 4.92 | 88,004 |
| Countries of Europe Quiz | 0 | - | 5.00 | 3,734,103 |
| Pixelated World Map | 0 | - | 5.00 | 142,765 |
| Countries of Europe in 1444 | 0 | - | 4.92 | 99,082 |
| Countries of the World in 1444 | 0 | - | 4.98 | 59,798 |
| Modern-Day Countries of the Inca Empire on a Map | 0 | - | 4.83 | 57,057 |
| Countries of the World with a Borderless Map | 0 | - | 4.99 | 81,585 |
| Top 50 Countries by Population - In Order | 0 | - | 4.98 | 326,162 |
| Spanish-Speaking Countries | 0 | - | 4.95 | 373,215 |
| Countries with the Most Tourists Quiz | 0 | - | 4.92 | 403,017 |
| Island Countries | 0 | - | 4.99 | 708,498 |
| Biggest Countries by Area | 0 | - | 4.99 | 1,042,273 |
| Northernmost Countries | 0 | - | 4.99 | 358,927 |
| Countries of South America | 0 | - | 5.00 | 918,452 |
| Countries of Oceania | 0 | - | 5.00 | 1,045,100 |
| Countries of Asia Quiz | 0 | - | 5.00 | 1,855,747 |
| "Land" Countries | 0 | - | 4.98 | 334,205 |
| Countries More Populous Than Their Neighbors | 0 | - | 4.99 | 172,026 |
| Countries with Megacities | 0 | - | 4.99 | 248,460 |
| Countries With More than 50 Million People | 0 | - | 4.99 | 197,915 |
| Countries with the Most Population Growth by Decade | 0 | - | 4.98 | 112,420 |
| Countries With More than 200 Million People | 0 | - | 4.96 | 136,302 |
| Countries Less Populous Than Their Neighbors | 0 | - | 4.96 | 80,361 |
| Global Cities on a World Map | 0 | - | 4.93 | 135,296 |
| Countries by Official Language | 0 | - | 4.95 | 193,511 |
| Countries with the Most Speakers of These Languages | 0 | - | 4.91 | 294,036 |
| Countries in their Native Language | 0 | - | 4.99 | 197,256 |
| Independence from Whom | 0 | - | 4.99 | 210,292 |
| Subdivisions by Country | 0 | - | 4.86 | 50,163 |
| Who Controlled These Colonies? | 0 | - | 4.88 | 131,157 |
| Megadiverse Countries | 0 | - | 4.96 | 134,489 |
| Countries With the Most English Speakers | 0 | - | 4.86 | 130,431 |
| Countries Producing the Most Sugarcane | 0 | - | 4.95 | 55,039 |
| Countries with Multiple Big Islands | 0 | - | 4.93 | 125,575 |
| Top 10 Wheat-Producing Countries | 0 | - | 4.89 | 74,926 |
| 15 Biggest Island Countries | 0 | - | 4.98 | 161,933 |
| Most Recently-Settled Countries | 0 | - | 4.94 | 62,156 |
| Countries of the World in 1938 Quiz | 0 | - | 4.95 | 93,423 |
| Countries Bigger Than Their Neighbors | 0 | - | 4.93 | 153,479 |
| Countries with Multiple Populous Islands | 0 | - | 4.89 | 95,320 |
| Countries in Relation to Cities #1 | 0 | - | 4.92 | 44,794 |
| Countries by Sports League Revenue | 0 | - | 4.95 | 76,019 |
| Landmarks of Countries #1 | 0 | - | 4.88 | 107,541 |
| Countries Furthest from the United States | 0 | - | 4.94 | 88,645 |
| Countries with the Highest HDI | 0 | - | 4.95 | 136,612 |
| Straight Shot to the Arctic Circle | 0 | - | 4.88 | 74,816 |
| Most Dispersed Island Nations | 0 | - | 4.97 | 71,143 |
| Mediterranean Countries with an Empty Map | 0 | - | 4.99 | 104,666 |
| World Map Quiz | 0 | - | 4.81 | 63,895 |
| Smallest Countries with at Least One Border | 0 | - | 4.87 | 106,632 |
| Countries by Sports in 60 Seconds | 0 | - | 4.91 | 142,443 |
| Countries by Founding Story | 0 | - | 4.95 | 76,773 |
| Countries by Road Signs | 0 | - | 4.98 | 53,315 |
| Countries That Do Not Border | 0 | - | 4.99 | 59,663 |
| Southernmost Countries of the World | 0 | - | 4.99 | 226,880 |
| Countries by Inland Surface Water | 0 | - | 4.94 | 104,579 |
| Top 20 Motor Vehicle Producing Countries | 0 | - | 4.91 | 122,295 |
| Countries With the Most Languages | 0 | - | 4.89 | 200,460 |
| Countries with the Highest Population Under Age 15 | 0 | - | 4.95 | 110,166 |
| Countries with the Highest Population 65 and Older | 0 | - | 4.90 | 93,365 |
| Countries with the Most Prisoners | 0 | - | 4.94 | 98,550 |
| Countries with the Most Domestic Camels | 0 | - | 4.94 | 61,102 |
| Tallest Countries North to South | 0 | - | 4.83 | 119,572 |
| Widest Countries East to West | 0 | - | 4.92 | 129,069 |
| Countries with the Highest Average Elevation | 0 | - | 4.98 | 71,302 |
| Largest Countries by Area or Population | 0 | - | 5.00 | 185,550 |
| Countries with the Most Area in the Southern Hemisphere | 0 | - | 4.99 | 97,668 |
| Most Populous Countries as a Percent of Their Continent | 0 | - | 4.97 | 93,897 |
| Largest Countries as a Percent of Continent | 0 | - | 4.97 | 147,886 |
| Countries with the Most Desert | 0 | - | 4.93 | 127,274 |
| Countries by Contribution to UN Budget | 0 | - | 4.87 | 76,904 |
| Countries with Most Nobel Laureates per Capita | 0 | - | 4.84 | 34,652 |
| Countries With the Tallest People | 0 | - | 4.91 | 94,652 |
| Countries with Double Letters | 0 | - | 4.96 | 93,768 |
| Countries that End in N | 0 | - | 4.94 | 157,208 |
| Countries with Five Letters Quiz | 0 | - | 4.96 | 259,145 |
| Countries with Six Letters | 0 | - | 4.93 | 210,795 |
| Countries with W | 0 | - | 4.97 | 158,472 |
| Countries with Z | 0 | - | 4.98 | 288,348 |
| Countries with Letters Missing | 0 | - | 4.97 | 184,828 |
| Countries That End in U | 0 | - | 4.95 | 119,649 |
| Top 20 Longest One-Word Country Names | 0 | - | 4.98 | 132,957 |
| Countries that End in O | 0 | - | 4.92 | 158,682 |
| Countries that End in R | 0 | - | 4.87 | 118,399 |
| Country Names Created by Only 4 Letters | 0 | - | 4.99 | 154,951 |
| Countries Ending in "IA" | 0 | - | 4.99 | 207,505 |
| Countries by First and Last Letter #1 | 0 | - | 4.97 | 169,603 |
| Countries by Last Two Letters | 0 | - | 4.85 | 134,698 |
| Countries by First and Last Letter #2 | 0 | - | 4.96 | 141,258 |
| Countries That End in Y | 0 | - | 4.90 | 185,310 |
| Countries Based on First Two Letters #1 | 0 | - | 4.99 | 196,687 |
| Countries with Cardinal Directions in Their Names | 0 | - | 4.92 | 151,969 |
| Countries that End in I | 0 | - | 4.94 | 134,578 |
| Countries Based on First Two Letters #2 | 0 | - | 4.99 | 182,554 |
| Countries by Initial Letter and Length #1 | 0 | - | 4.98 | 95,338 |
| Countries That End in NIA | 0 | - | 4.92 | 109,176 |
| Countries That End in BIA | 0 | - | 4.92 | 148,156 |
| Countries by Initial Letter and Continent #1 | 0 | - | 4.94 | 166,317 |
| Countries Whose Names Start with Saint | 0 | - | 4.87 | 118,683 |
| Countries That End in RIA | 0 | - | 4.93 | 126,230 |
| Most Common Words in Official Country Names | 0 | - | 4.86 | 110,220 |
| Divided Country Name Puzzle #1 | 0 | - | 4.99 | 225,858 |
| Divided Country Name Puzzle #2 | 0 | - | 4.99 | 132,738 |
| Divided Country Name Puzzle #3 | 0 | - | 4.92 | 125,091 |
| Groups of Countries that Start with the Same 3 Letters | 0 | - | 5.00 | 90,646 |
| Add A Letter - Make a Country | 0 | - | 4.82 | 74,059 |
| Countries With One Word and Three A's | 0 | - | 4.92 | 52,329 |
| Countries with a Unique Last Letter | 0 | - | 4.90 | 102,846 |
| Unique Starting Letter - Countries by Continent | 0 | - | 4.98 | 124,740 |
| Countries that are Free from U.S.A. | 0 | - | 4.89 | 48,923 |
| Countries with the Word "And" | 0 | - | 4.99 | 116,399 |
| Countries Containing Two or More Words | 0 | - | 4.96 | 53,061 |
| Countries that End in L | 0 | - | 4.94 | 156,188 |
| "Stan" Countries Quiz | 0 | - | 4.97 | 212,398 |
| Countries Ending with "An", but not "Stan" | 0 | - | 4.98 | 85,029 |
| City to Country Quiz #1 | 0 | - | 4.96 | 155,658 |
| City to Country Quiz #3 | 0 | - | 4.88 | 118,495 |
| 45 European Countries, 45 Cities | 0 | - | 4.95 | 78,558 |
| Five Biggest Countries by Continent | 0 | - | 4.99 | 248,115 |
| Five Poorest Countries by Continent | 0 | - | 4.93 | 199,705 |
| Five Least Populated Countries by Continent | 0 | - | 4.96 | 142,024 |
| Five Smallest Countries by Continent | 0 | - | 4.98 | 162,723 |
| First Five Countries Alphabetically by Continent | 0 | - | 4.94 | 224,128 |
| Last Five Countries Alphabetically by Continent | 0 | - | 4.98 | 151,972 |
| Five Northernmost Capital Cities by Continent | 0 | - | 4.89 | 70,845 |
| Top 15 Countries that Produce the Most Tea | 0 | - | 4.81 | 108,259 |
| Top 10 Countries in Nuclear Power Production | 0 | - | 4.95 | 86,479 |
| 10 Northernmost Countries That Start with S | 0 | - | 4.94 | 62,456 |
| ALL First-Level Subdivisions of the World With a Map | 0 | - | 5.00 | 145,482 |
| All First-Level Subdivisions of Europe by Proximity | 0 | - | 4.84 | 76,584 |
| Top World Languages on a Map | 0 | - | 4.93 | 102,427 |
| Official Languages of the World on the Disappearing World Map | 0 | - | 4.99 | 115,709 |
| 407 Islands on the World Map | 0 | - | 4.99 | 34,842 |
| Historic Journeys on a World Map | 0 | - | 4.99 | 46,362 |
| Smallest Countries with at Least Two Borders | 0 | - | 4.97 | 41,349 |
| Biggest Countries by Population | 0 | - | 5.00 | 1,438,595 |
