| Countries by Road Signs | 0 | - | 4.98 | 54,055 |
| Countries by Borders in 90 Seconds | 0 | - | 4.99 | 3,836,578 |
| Pixelated Africa Map | 0 | - | 4.98 | 100,102 |
| Pixelated Asia Map | 0 | - | 4.90 | 73,422 |
| Pixelated Europe Map | 0 | - | 4.88 | 123,032 |
| Countries by First Two Letters in 90 Seconds | 0 | - | 4.98 | 5,635,158 |
| Countries of the World Quiz | 0 | - | 5.00 | 47,619,699 |
| Countries of the World in 1900 | 0 | - | 4.89 | 85,321 |
| Countries of the World in 1914 with a Map | 0 | - | 4.99 | 195,868 |
| Countries of the World in 1945 with a Map | 0 | - | 5.00 | 151,403 |
| Landlocked Countries | 0 | - | 4.99 | 422,444 |
| Save Humanity by Guessing Countries | 0 | - | 4.98 | 578,385 |
| World Map without 12 Countries | 0 | - | 4.97 | 345,089 |
| Countries by Satellite Image #1 | 0 | - | 4.89 | 146,254 |
| Countries by Satellite Image #5 | 0 | - | 4.90 | 82,892 |
| Countries by Partial Satellite Image #3 | 0 | - | 4.83 | 49,079 |
| Countries by Partial Flag Images #1 | 0 | - | 4.96 | 145,293 |
| Countries by Partial Flag Images #3 | 0 | - | 4.98 | 116,472 |
| Flags with the Most Stars | 0 | - | 4.91 | 137,018 |
| Country Flags with the Southern Cross | 0 | - | 4.81 | 62,615 |
| Flags that are Red & White Only | 0 | - | 4.97 | 164,824 |
| Country Flags that are Red, White, and Blue Only | 0 | - | 4.92 | 146,509 |
| Flags of the Countries with Four Letters | 0 | - | 4.94 | 76,713 |
| Four Countries with Similar Flags #2 | 0 | - | 4.92 | 47,870 |
| Four Countries with Similar Flags #1 | 0 | - | 4.97 | 68,804 |
| Country Flags with the Most Red | 0 | - | 4.98 | 120,806 |
| Country Flags with the Most Blue | 0 | - | 4.89 | 92,803 |
| Country Flags with the Most Green | 0 | - | 4.96 | 99,906 |
| Country Flags with the Most Orange | 0 | - | 4.96 | 99,692 |
| Country Flags with the Most Yellow | 0 | - | 4.95 | 99,327 |
| Country Flags with the Most Black | 0 | - | 4.95 | 97,763 |
| Country Flags with the Most Stripes - Picture Quiz | 0 | - | 4.95 | 67,845 |
| Country Flags with the Most Colours A-Z | 0 | - | 4.95 | 50,251 |
| Countries of Europe in 1444 | 0 | - | 4.92 | 100,093 |
| Countries of the World in 1444 | 0 | - | 4.98 | 60,463 |
| Modern-Day Countries of the Inca Empire on a Map | 0 | - | 4.83 | 57,601 |
| Countries by Partial Flag Images #2 | 0 | - | 4.97 | 99,683 |
| Countries by Partial Flag Images #4 | 0 | - | 4.91 | 81,024 |
| Countries by Partial Flag Images #5 | 0 | - | 4.98 | 66,228 |
| Countries by Partial Flag Images #6 | 0 | - | 4.89 | 45,315 |
| Countries by Partial Flag Images #7 | 0 | - | 4.88 | 32,197 |
| Countries by Coat of Arms #1 | 0 | - | 4.92 | 72,884 |
| Countries by Coat of Arms #2 | 0 | - | 4.81 | 41,556 |
| World Coats of Arms | 0 | - | 4.99 | 64,764 |
| Country Shapes Quiz #1 | 0 | - | 4.93 | 908,206 |
| Country Shapes Quiz #2 | 0 | - | 4.97 | 417,472 |
| Every Country Shape | 0 | - | 5.00 | 467,880 |
| Countries of Europe Quiz | 0 | - | 5.00 | 3,782,162 |
| Countries of the World with a Borderless Map | 0 | - | 4.99 | 82,395 |
| 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 | 44,662 |
| Sahara Desert Countries | 0 | - | 4.98 | 164,754 |
| Himalayan Countries | 0 | - | 4.95 | 138,955 |
| Andean Countries | 0 | - | 4.93 | 84,749 |
| Countries with the Youngest Median Age | 0 | - | 4.97 | 63,957 |
| Countries in the Southern Hemisphere | 0 | - | 4.99 | 126,028 |
| Coffee Producing Countries | 0 | - | 4.83 | 67,568 |
| Countries with Shrinking Populations | 0 | - | 4.94 | 65,898 |
| Danube Countries | 0 | - | 4.97 | 72,079 |
| Countries With an "Ish" Demonym | 0 | - | 4.98 | 117,097 |
| Countries With an "Ese" Demonym | 0 | - | 4.97 | 86,476 |
| Countries with the Worst Passports | 0 | - | 4.93 | 84,418 |
| Countries with the Most Immigrants | 0 | - | 4.90 | 149,897 |
| European Landlocked Countries | 0 | - | 4.99 | 147,205 |
| Partially Recognized Countries | 0 | - | 4.98 | 106,737 |
| Countries with the Most Species | 0 | - | 4.99 | 103,287 |
| Countries 197 to 205 | 0 | - | 4.90 | 70,856 |
| Tropic of Cancer Countries | 0 | - | 4.97 | 53,625 |
| Tropic of Capricorn Countries | 0 | - | 4.96 | 47,742 |
| Countries that Use the Peso | 0 | - | 4.89 | 59,579 |
| Countries with the Largest Exclusive Economic Zone | 0 | - | 4.90 | 73,282 |
| Countries with a AAA Credit Rating | 0 | - | 4.86 | 57,716 |
| Countries in the Alps | 0 | - | 4.87 | 118,283 |
| Top Five Importing Partners by Country | 0 | - | 4.97 | 101,417 |
| Countries, Capitals, Currencies and Official Languages | 0 | - | 5.00 | 107,139 |
| Biggest Import Partners By Country | 0 | - | 4.99 | 78,700 |
| Southernmost Countries by Continent | 0 | - | 4.98 | 96,646 |
| Northernmost Countries by Continent | 0 | - | 4.98 | 116,571 |
| Countries by Population Growth, 1970–Present | 0 | - | 4.92 | 95,990 |
| Five Biggest Countries by Latitude | 0 | - | 4.97 | 100,730 |
| Five Biggest Countries by Longitude | 0 | - | 4.91 | 53,552 |
| Largest Country by Body of Water | 0 | - | 4.96 | 58,205 |
| Countries with the Most Container Port Traffic | 0 | - | 4.92 | 62,910 |
| Bridge and Tunnel Borders | 0 | - | 4.96 | 53,683 |
| Countries with the Longest Road Networks Quiz | 0 | - | 4.90 | 41,556 |
| Countries that Touch the Prime Meridian or Equator | 0 | - | 4.88 | 104,271 |
| Arctic Ocean Countries | 0 | - | 4.95 | 79,524 |
| Countries with the Most Grassland | 0 | - | 4.94 | 77,584 |
| All Countries by Area : Four at a Time | 0 | - | 5.00 | 119,015 |
| Countries with the Most Climate Zones | 0 | - | 4.96 | 68,355 |
| Countries that Host the Most Refugees | 0 | - | 4.96 | 64,341 |
| Countries of the World by Similar Area in 90 Seconds | 0 | - | 4.95 | 46,156 |
| All Countries of the World by Area with Hints | 0 | - | 4.97 | 244,182 |
| World Countries - Blind Typing | 0 | - | 5.00 | 108,270 |
| Countries in Their Own Alphabet | 0 | - | 4.95 | 48,271 |
| Largest Countries By Category | 0 | - | 4.97 | 158,303 |
| Countries by Countries | 0 | - | 4.96 | 63,300 |
| Country Flags with the Most White | 0 | - | 4.85 | 138,753 |
| 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 | 109,749 |
| Six Degrees of Separation - Countries #1 | 0 | - | 4.96 | 99,072 |
| Country Flags With Only Two Colors | 0 | - | 4.91 | 88,724 |
| Top 50 Countries by Population - In Order | 0 | - | 4.98 | 331,947 |
| Spanish-Speaking Countries | 0 | - | 4.95 | 375,638 |
| Countries with the Most Tourists Quiz | 0 | - | 4.92 | 407,640 |
| Island Countries | 0 | - | 4.99 | 711,201 |
| Biggest Countries by Area | 0 | - | 5.00 | 1,050,438 |
| Northernmost Countries | 0 | - | 4.99 | 362,182 |
| Countries of South America | 0 | - | 5.00 | 928,024 |
| Countries of Oceania | 0 | - | 5.00 | 1,057,769 |
| Countries of Asia Quiz | 0 | - | 5.00 | 1,878,756 |
| "Land" Countries | 0 | - | 4.98 | 337,469 |
| Flags of Countries With More Than 100 Million People | 0 | - | 4.97 | 159,567 |
| World Map without 12 Countries #2 | 0 | - | 4.98 | 173,860 |
| World Map without 12 Countries #3 | 0 | - | 4.98 | 138,757 |
| Countries of the World with an Empty Map | 0 | - | 5.00 | 3,384,841 |
| Mediterranean Countries with an Empty Map | 0 | - | 4.99 | 105,242 |
| Flags of Countries of the World in 1910 | 0 | - | 4.96 | 79,092 |
| Modern-Day Countries of the Umayyad Caliphate on a Map | 0 | - | 4.98 | 68,950 |
| Country Shapes Quiz #3 | 0 | - | 4.90 | 296,512 |
| Country Shapes Quiz #4 | 0 | - | 4.94 | 226,075 |
| Country Shapes Quiz #5 | 0 | - | 4.93 | 164,619 |
| Recognize Countries by Tripoint Maps #1 | 0 | - | 4.99 | 38,752 |
| Recognize Countries by Tripoint Maps #2 | 0 | - | 4.98 | 32,769 |
| Country Shapes in the World Map #3 | 0 | - | 4.99 | 104,752 |
| Country Shapes in the World Map #2 | 0 | - | 4.99 | 111,777 |
| Country Shapes in the World Map #1 | 0 | - | 4.99 | 122,433 |
| Country Shapes in the World Map #4 | 0 | - | 4.98 | 108,557 |
| Country Shapes in the World Map #6 | 0 | - | 4.98 | 80,858 |
| Country Shapes in the World Map #7 | 0 | - | 4.99 | 58,381 |
| Country Shapes in the World Map #5 | 0 | - | 4.98 | 86,069 |
| Cartoon Versions of Countries | 0 | - | 4.99 | 95,441 |
| Country Shapes Under the Sea | 0 | - | 5.00 | 77,964 |
| A Square of Merged Countries #1 | 0 | - | 4.89 | 59,773 |
| Country Flags with Five Stars - Picture Quiz | 0 | - | 4.93 | 31,071 |
| Countries More Populous Than Their Neighbors | 0 | - | 4.99 | 174,021 |
| Countries with Megacities | 0 | - | 4.99 | 264,875 |
| Countries With More than 50 Million People | 0 | - | 4.99 | 199,857 |
| Countries with the Most Population Growth by Decade | 0 | - | 4.98 | 113,542 |
| Countries With More than 200 Million People | 0 | - | 4.95 | 138,115 |
| Countries Less Populous Than Their Neighbors | 0 | - | 4.96 | 81,618 |
| Countries by Official Language | 0 | - | 4.95 | 195,342 |
| Countries with the Most Speakers of These Languages | 0 | - | 4.91 | 296,504 |
| Countries in their Native Language | 0 | - | 4.99 | 199,134 |
| Independence from Whom | 0 | - | 4.99 | 212,212 |
| Subdivisions by Country | 0 | - | 4.87 | 50,448 |
| Who Controlled These Colonies? | 0 | - | 4.88 | 132,808 |
| Megadiverse Countries | 0 | - | 4.96 | 135,056 |
| Countries With the Most English Speakers | 0 | - | 4.86 | 132,182 |
| Countries Producing the Most Sugarcane | 0 | - | 4.95 | 55,385 |
| Countries with Multiple Big Islands | 0 | - | 4.93 | 126,262 |
| Top 10 Wheat-Producing Countries | 0 | - | 4.89 | 75,124 |
| 15 Biggest Island Countries | 0 | - | 4.98 | 163,193 |
| Most Recently-Settled Countries | 0 | - | 4.94 | 62,623 |
| Countries of the World in 1938 Quiz | 0 | - | 4.95 | 94,536 |
| Countries Bigger Than Their Neighbors | 0 | - | 4.93 | 154,064 |
| Countries with Multiple Populous Islands | 0 | - | 4.89 | 95,683 |
| Countries in Relation to Cities #1 | 0 | - | 4.92 | 45,161 |
| Countries by Sports League Revenue | 0 | - | 4.94 | 77,768 |
| Landmarks of Countries #1 | 0 | - | 4.88 | 107,916 |
| Countries Furthest from the United States | 0 | - | 4.94 | 89,230 |
| Countries with the Highest HDI | 0 | - | 4.95 | 136,991 |
| Straight Shot to the Arctic Circle | 0 | - | 4.88 | 75,380 |
| Most Dispersed Island Nations | 0 | - | 4.97 | 71,515 |
| Countries in Southeast Asia With an Empty Map | 0 | - | 4.97 | 101,731 |
| Countries of the World in Alphabetical Order | 0 | - | 5.00 | 111,322 |
| World Map Quiz | 0 | - | 4.81 | 65,156 |
| Empty World Map without 20 Random Countries | 0 | - | 4.94 | 138,751 |
| Recognized, Non-Recognized Countries, and Territories of the World | 0 | - | 5.00 | 157,532 |
| Countries Connected in the World Map #2 | 0 | - | 4.97 | 80,753 |
| Countries Connected in the World Map #1 | 0 | - | 4.97 | 77,444 |
| Countries Connected in the World Map #3 | 0 | - | 4.97 | 76,683 |
| Countries in a Ring of the World Map | 0 | - | 4.99 | 154,752 |
| Countries in a Strip of the World Map | 0 | - | 4.99 | 73,797 |
| Smallest Countries with at Least One Border | 0 | - | 4.87 | 107,395 |
| Countries in a Stewart of the World Map | 0 | - | 4.99 | 55,289 |
| Countries within the Arctic Circle - Map Quiz | 0 | - | 4.84 | 64,184 |
| Countries by Sports in 60 Seconds | 0 | - | 4.92 | 146,341 |
| 20 Random Country Flags | 0 | - | 4.99 | 615,004 |
| Countries by Founding Story | 0 | - | 4.95 | 77,413 |
| Countries That Do Not Border | 0 | - | 4.99 | 60,510 |
| Southernmost Countries of the World | 0 | - | 4.99 | 228,177 |
| Countries by Inland Surface Water | 0 | - | 4.93 | 105,332 |
| Top 20 Motor Vehicle Producing Countries | 0 | - | 4.91 | 123,038 |
| Countries With the Most Languages | 0 | - | 4.90 | 202,332 |
| Countries with the Highest Population Under Age 15 | 0 | - | 4.95 | 110,937 |
| Countries with the Highest Population 65 and Older | 0 | - | 4.90 | 94,053 |
| Countries with the Most Prisoners | 0 | - | 4.94 | 99,334 |
| Countries with the Most Domestic Camels | 0 | - | 4.94 | 61,469 |
| Tallest Countries North to South | 0 | - | 4.83 | 120,607 |
| Widest Countries East to West | 0 | - | 4.92 | 129,698 |
| Countries with the Highest Average Elevation | 0 | - | 4.98 | 71,468 |
| Largest Countries by Area or Population | 0 | - | 5.00 | 186,434 |
| 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 | 94,798 |
| Largest Countries as a Percent of Continent | 0 | - | 4.97 | 148,628 |
| Countries with the Most Desert | 0 | - | 4.93 | 127,914 |
| Countries by Contribution to UN Budget | 0 | - | 4.87 | 77,390 |
