| Countries by Road Signs | 0 | - | 4.98 | 54,054 |
| Countries by Borders in 90 Seconds | 0 | - | 4.99 | 3,836,479 |
| Pixelated Africa Map | 0 | - | 4.98 | 100,100 |
| Pixelated Asia Map | 0 | - | 4.90 | 73,421 |
| Pixelated Europe Map | 0 | - | 4.88 | 123,031 |
| Countries by First Two Letters in 90 Seconds | 0 | - | 4.98 | 5,635,041 |
| Countries of the World Quiz | 0 | - | 5.00 | 47,617,992 |
| Countries of the World in 1900 | 0 | - | 4.89 | 85,319 |
| Countries of the World in 1914 with a Map | 0 | - | 4.99 | 195,863 |
| Countries of the World in 1945 with a Map | 0 | - | 5.00 | 151,396 |
| Landlocked Countries | 0 | - | 4.99 | 422,427 |
| Save Humanity by Guessing Countries | 0 | - | 4.98 | 578,309 |
| World Map without 12 Countries | 0 | - | 4.97 | 345,081 |
| Countries by Satellite Image #1 | 0 | - | 4.89 | 146,253 |
| Countries by Satellite Image #5 | 0 | - | 4.90 | 82,891 |
| Countries by Partial Satellite Image #3 | 0 | - | 4.83 | 49,079 |
| Countries by Partial Flag Images #1 | 0 | - | 4.96 | 145,291 |
| Countries by Partial Flag Images #3 | 0 | - | 4.98 | 116,468 |
| Flags with the Most Stars | 0 | - | 4.91 | 137,011 |
| Country Flags with the Southern Cross | 0 | - | 4.81 | 62,611 |
| Flags that are Red & White Only | 0 | - | 4.97 | 164,822 |
| Country Flags that are Red, White, and Blue Only | 0 | - | 4.92 | 146,507 |
| Flags of the Countries with Four Letters | 0 | - | 4.94 | 76,709 |
| Four Countries with Similar Flags #2 | 0 | - | 4.92 | 47,867 |
| Four Countries with Similar Flags #1 | 0 | - | 4.97 | 68,801 |
| Country Flags with the Most Red | 0 | - | 4.98 | 120,802 |
| Country Flags with the Most Blue | 0 | - | 4.89 | 92,801 |
| Country Flags with the Most Green | 0 | - | 4.96 | 99,904 |
| Country Flags with the Most Orange | 0 | - | 4.96 | 99,691 |
| Country Flags with the Most Yellow | 0 | - | 4.95 | 99,327 |
| Country Flags with the Most Black | 0 | - | 4.95 | 97,761 |
| Country Flags with the Most Stripes - Picture Quiz | 0 | - | 4.95 | 67,844 |
| Country Flags with the Most Colours A-Z | 0 | - | 4.95 | 50,249 |
| Countries of Europe in 1444 | 0 | - | 4.92 | 100,092 |
| Countries of the World in 1444 | 0 | - | 4.98 | 60,462 |
| Modern-Day Countries of the Inca Empire on a Map | 0 | - | 4.83 | 57,600 |
| Countries by Partial Flag Images #2 | 0 | - | 4.97 | 99,679 |
| Countries by Partial Flag Images #4 | 0 | - | 4.91 | 81,022 |
| Countries by Partial Flag Images #5 | 0 | - | 4.98 | 66,224 |
| Countries by Partial Flag Images #6 | 0 | - | 4.89 | 45,313 |
| Countries by Partial Flag Images #7 | 0 | - | 4.88 | 32,196 |
| Countries by Coat of Arms #1 | 0 | - | 4.92 | 72,882 |
| Countries by Coat of Arms #2 | 0 | - | 4.81 | 41,555 |
| World Coats of Arms | 0 | - | 4.99 | 64,763 |
| Country Shapes Quiz #1 | 0 | - | 4.93 | 908,196 |
| Country Shapes Quiz #2 | 0 | - | 4.97 | 417,467 |
| Every Country Shape | 0 | - | 5.00 | 467,859 |
| Countries of Europe Quiz | 0 | - | 5.00 | 3,782,012 |
| Countries of the World with a Borderless Map | 0 | - | 4.99 | 82,391 |
| Countries With Blue and White Flags | 0 | - | 4.90 | 98,590 |
| Country Flags that are White, Red and Green Only | 0 | - | 4.86 | 36,042 |
| Country Flags With Blue Removed | 0 | - | 4.92 | 44,660 |
| Sahara Desert Countries | 0 | - | 4.98 | 164,743 |
| Himalayan Countries | 0 | - | 4.95 | 138,938 |
| Andean Countries | 0 | - | 4.93 | 84,746 |
| Countries with the Youngest Median Age | 0 | - | 4.97 | 63,949 |
| Countries in the Southern Hemisphere | 0 | - | 4.99 | 126,018 |
| Coffee Producing Countries | 0 | - | 4.83 | 67,556 |
| Countries with Shrinking Populations | 0 | - | 4.94 | 65,895 |
| Danube Countries | 0 | - | 4.97 | 72,075 |
| Countries With an "Ish" Demonym | 0 | - | 4.98 | 117,094 |
| Countries With an "Ese" Demonym | 0 | - | 4.97 | 86,476 |
| Countries with the Worst Passports | 0 | - | 4.93 | 84,413 |
| Countries with the Most Immigrants | 0 | - | 4.90 | 149,895 |
| European Landlocked Countries | 0 | - | 4.99 | 147,202 |
| Partially Recognized Countries | 0 | - | 4.98 | 106,735 |
| Countries with the Most Species | 0 | - | 4.99 | 103,283 |
| Countries 197 to 205 | 0 | - | 4.90 | 70,852 |
| Tropic of Cancer Countries | 0 | - | 4.97 | 53,624 |
| Tropic of Capricorn Countries | 0 | - | 4.96 | 47,741 |
| Countries that Use the Peso | 0 | - | 4.89 | 59,579 |
| Countries with the Largest Exclusive Economic Zone | 0 | - | 4.90 | 73,276 |
| Countries with a AAA Credit Rating | 0 | - | 4.86 | 57,716 |
| Countries in the Alps | 0 | - | 4.87 | 118,282 |
| Top Five Importing Partners by Country | 0 | - | 4.97 | 101,403 |
| Countries, Capitals, Currencies and Official Languages | 0 | - | 5.00 | 107,132 |
| Biggest Import Partners By Country | 0 | - | 4.99 | 78,699 |
| Southernmost Countries by Continent | 0 | - | 4.98 | 96,640 |
| Northernmost Countries by Continent | 0 | - | 4.98 | 116,568 |
| Countries by Population Growth, 1970–Present | 0 | - | 4.92 | 95,988 |
| Five Biggest Countries by Latitude | 0 | - | 4.97 | 100,729 |
| Five Biggest Countries by Longitude | 0 | - | 4.91 | 53,550 |
| Largest Country by Body of Water | 0 | - | 4.96 | 58,204 |
| Countries with the Most Container Port Traffic | 0 | - | 4.92 | 62,906 |
| Bridge and Tunnel Borders | 0 | - | 4.96 | 53,681 |
| Countries with the Longest Road Networks Quiz | 0 | - | 4.90 | 41,555 |
| Countries that Touch the Prime Meridian or Equator | 0 | - | 4.88 | 104,264 |
| Arctic Ocean Countries | 0 | - | 4.95 | 79,523 |
| Countries with the Most Grassland | 0 | - | 4.94 | 77,578 |
| All Countries by Area : Four at a Time | 0 | - | 5.00 | 119,008 |
| Countries with the Most Climate Zones | 0 | - | 4.96 | 68,353 |
| Countries that Host the Most Refugees | 0 | - | 4.96 | 64,314 |
| Countries of the World by Similar Area in 90 Seconds | 0 | - | 4.95 | 46,152 |
| All Countries of the World by Area with Hints | 0 | - | 4.97 | 244,166 |
| World Countries - Blind Typing | 0 | - | 5.00 | 108,259 |
| Countries in Their Own Alphabet | 0 | - | 4.95 | 48,270 |
| Largest Countries By Category | 0 | - | 4.97 | 158,296 |
| Countries by Countries | 0 | - | 4.96 | 63,292 |
| Country Flags with the Most White | 0 | - | 4.85 | 138,750 |
| Countries With the Northernmost Southernmost Point | 0 | - | 4.96 | 62,304 |
| Countries with the Southernmost Northernmost Point | 0 | - | 4.87 | 47,577 |
| All Countries by Population With a Map | 0 | - | 4.98 | 109,740 |
| Six Degrees of Separation - Countries #1 | 0 | - | 4.96 | 99,069 |
| Country Flags With Only Two Colors | 0 | - | 4.91 | 88,720 |
| Top 50 Countries by Population - In Order | 0 | - | 4.98 | 331,928 |
| Spanish-Speaking Countries | 0 | - | 4.95 | 375,633 |
| Countries with the Most Tourists Quiz | 0 | - | 4.92 | 407,622 |
| Island Countries | 0 | - | 4.99 | 711,193 |
| Biggest Countries by Area | 0 | - | 5.00 | 1,050,414 |
| Northernmost Countries | 0 | - | 4.99 | 362,174 |
| Countries of South America | 0 | - | 5.00 | 927,986 |
| Countries of Oceania | 0 | - | 5.00 | 1,057,729 |
| Countries of Asia Quiz | 0 | - | 5.00 | 1,878,706 |
| "Land" Countries | 0 | - | 4.98 | 337,464 |
| Flags of Countries With More Than 100 Million People | 0 | - | 4.97 | 159,565 |
| World Map without 12 Countries #2 | 0 | - | 4.98 | 173,859 |
| World Map without 12 Countries #3 | 0 | - | 4.98 | 138,755 |
| Countries of the World with an Empty Map | 0 | - | 5.00 | 3,384,782 |
| Mediterranean Countries with an Empty Map | 0 | - | 4.99 | 105,241 |
| Flags of Countries of the World in 1910 | 0 | - | 4.96 | 79,089 |
| Modern-Day Countries of the Umayyad Caliphate on a Map | 0 | - | 4.98 | 68,946 |
| Country Shapes Quiz #3 | 0 | - | 4.90 | 296,507 |
| Country Shapes Quiz #4 | 0 | - | 4.94 | 226,072 |
| Country Shapes Quiz #5 | 0 | - | 4.93 | 164,616 |
| Recognize Countries by Tripoint Maps #1 | 0 | - | 4.99 | 38,743 |
| Recognize Countries by Tripoint Maps #2 | 0 | - | 4.98 | 32,759 |
| Country Shapes in the World Map #3 | 0 | - | 4.99 | 104,751 |
| Country Shapes in the World Map #2 | 0 | - | 4.99 | 111,775 |
| Country Shapes in the World Map #1 | 0 | - | 4.99 | 122,431 |
| Country Shapes in the World Map #4 | 0 | - | 4.98 | 108,555 |
| Country Shapes in the World Map #6 | 0 | - | 4.98 | 80,858 |
| Country Shapes in the World Map #7 | 0 | - | 4.99 | 58,379 |
| Country Shapes in the World Map #5 | 0 | - | 4.98 | 86,068 |
| Cartoon Versions of Countries | 0 | - | 4.99 | 95,440 |
| Country Shapes Under the Sea | 0 | - | 5.00 | 77,963 |
| A Square of Merged Countries #1 | 0 | - | 4.89 | 59,771 |
| Country Flags with Five Stars - Picture Quiz | 0 | - | 4.93 | 31,070 |
| Countries More Populous Than Their Neighbors | 0 | - | 4.99 | 174,016 |
| Countries with Megacities | 0 | - | 4.99 | 264,861 |
| Countries With More than 50 Million People | 0 | - | 4.99 | 199,849 |
| Countries with the Most Population Growth by Decade | 0 | - | 4.98 | 113,533 |
| Countries With More than 200 Million People | 0 | - | 4.95 | 138,108 |
| Countries Less Populous Than Their Neighbors | 0 | - | 4.96 | 81,613 |
| Countries by Official Language | 0 | - | 4.95 | 195,336 |
| Countries with the Most Speakers of These Languages | 0 | - | 4.91 | 296,500 |
| Countries in their Native Language | 0 | - | 4.99 | 199,129 |
| Independence from Whom | 0 | - | 4.99 | 212,207 |
| Subdivisions by Country | 0 | - | 4.87 | 50,447 |
| Who Controlled These Colonies? | 0 | - | 4.88 | 132,805 |
| Megadiverse Countries | 0 | - | 4.96 | 135,055 |
| Countries With the Most English Speakers | 0 | - | 4.86 | 132,180 |
| Countries Producing the Most Sugarcane | 0 | - | 4.95 | 55,383 |
| Countries with Multiple Big Islands | 0 | - | 4.93 | 126,260 |
| Top 10 Wheat-Producing Countries | 0 | - | 4.89 | 75,123 |
| 15 Biggest Island Countries | 0 | - | 4.98 | 163,187 |
| Most Recently-Settled Countries | 0 | - | 4.94 | 62,622 |
| Countries of the World in 1938 Quiz | 0 | - | 4.95 | 94,533 |
| Countries Bigger Than Their Neighbors | 0 | - | 4.93 | 154,061 |
| Countries with Multiple Populous Islands | 0 | - | 4.89 | 95,682 |
| Countries in Relation to Cities #1 | 0 | - | 4.92 | 45,161 |
| Countries by Sports League Revenue | 0 | - | 4.94 | 77,763 |
| Landmarks of Countries #1 | 0 | - | 4.88 | 107,915 |
| Countries Furthest from the United States | 0 | - | 4.94 | 89,230 |
| Countries with the Highest HDI | 0 | - | 4.95 | 136,989 |
| Straight Shot to the Arctic Circle | 0 | - | 4.88 | 75,375 |
| Most Dispersed Island Nations | 0 | - | 4.97 | 71,514 |
| Countries in Southeast Asia With an Empty Map | 0 | - | 4.97 | 101,726 |
| Countries of the World in Alphabetical Order | 0 | - | 5.00 | 111,313 |
| World Map Quiz | 0 | - | 4.81 | 65,154 |
| Empty World Map without 20 Random Countries | 0 | - | 4.94 | 138,743 |
| Recognized, Non-Recognized Countries, and Territories of the World | 0 | - | 5.00 | 157,507 |
| Countries Connected in the World Map #2 | 0 | - | 4.97 | 80,752 |
| Countries Connected in the World Map #1 | 0 | - | 4.97 | 77,442 |
| Countries Connected in the World Map #3 | 0 | - | 4.97 | 76,680 |
| Countries in a Ring of the World Map | 0 | - | 4.99 | 154,749 |
| Countries in a Strip of the World Map | 0 | - | 4.99 | 73,795 |
| Smallest Countries with at Least One Border | 0 | - | 4.87 | 107,392 |
| Countries in a Stewart of the World Map | 0 | - | 4.99 | 55,288 |
| Countries within the Arctic Circle - Map Quiz | 0 | - | 4.84 | 64,183 |
| Countries by Sports in 60 Seconds | 0 | - | 4.92 | 146,329 |
| 20 Random Country Flags | 0 | - | 4.99 | 614,984 |
| Countries by Founding Story | 0 | - | 4.95 | 77,412 |
| Countries That Do Not Border | 0 | - | 4.99 | 60,509 |
| Southernmost Countries of the World | 0 | - | 4.99 | 228,174 |
| Countries by Inland Surface Water | 0 | - | 4.93 | 105,328 |
| Top 20 Motor Vehicle Producing Countries | 0 | - | 4.91 | 123,036 |
| Countries With the Most Languages | 0 | - | 4.90 | 202,329 |
| Countries with the Highest Population Under Age 15 | 0 | - | 4.95 | 110,936 |
| Countries with the Highest Population 65 and Older | 0 | - | 4.90 | 94,053 |
| Countries with the Most Prisoners | 0 | - | 4.94 | 99,331 |
| Countries with the Most Domestic Camels | 0 | - | 4.94 | 61,469 |
| Tallest Countries North to South | 0 | - | 4.83 | 120,604 |
| Widest Countries East to West | 0 | - | 4.92 | 129,695 |
| Countries with the Highest Average Elevation | 0 | - | 4.98 | 71,467 |
| Largest Countries by Area or Population | 0 | - | 5.00 | 186,432 |
| Countries with the Most Area in the Southern Hemisphere | 0 | - | 4.99 | 98,139 |
| Most Populous Countries as a Percent of Their Continent | 0 | - | 4.97 | 94,797 |
| Largest Countries as a Percent of Continent | 0 | - | 4.97 | 148,627 |
| Countries with the Most Desert | 0 | - | 4.93 | 127,914 |
| Countries by Contribution to UN Budget | 0 | - | 4.87 | 77,389 |
