| Countries of the World Quiz | 0 | - | 5.00 | 47,919,417 |
| Landlocked Countries | 0 | - | 4.99 | 426,537 |
| World Map without 12 Countries | 0 | - | 4.97 | 346,256 |
| Country Shapes Quiz #1 | 0 | - | 4.93 | 909,948 |
| Country Shapes Quiz #2 | 0 | - | 4.97 | 418,664 |
| Every Country Shape | 0 | - | 5.00 | 471,684 |
| Countries with the Most Christians | 0 | - | 4.93 | 144,793 |
| Countries by Satellite Image #1 | 0 | - | 4.89 | 146,934 |
| Countries by Satellite Image #5 | 0 | - | 4.90 | 83,220 |
| Countries by Partial Satellite Image #3 | 0 | - | 4.83 | 49,297 |
| Countries by Partial Flag Images #1 | 0 | - | 4.96 | 146,453 |
| Countries by Partial Flag Images #3 | 0 | - | 4.98 | 117,453 |
| Flags with the Most Stars | 0 | - | 4.91 | 138,031 |
| Country Flags with the Southern Cross | 0 | - | 4.81 | 63,262 |
| Flags that are Red & White Only | 0 | - | 4.97 | 165,701 |
| Country Flags that are Red, White, and Blue Only | 0 | - | 4.92 | 147,422 |
| Flags of the Countries with Four Letters | 0 | - | 4.94 | 77,772 |
| Four Countries with Similar Flags #2 | 0 | - | 4.92 | 48,481 |
| Four Countries with Similar Flags #1 | 0 | - | 4.97 | 69,420 |
| Pixelated World Map | 0 | - | 5.00 | 144,156 |
| Country Flags with the Most Red | 0 | - | 4.98 | 121,429 |
| Country Flags with the Most Blue | 0 | - | 4.89 | 93,353 |
| Country Flags with the Most Green | 0 | - | 4.96 | 100,420 |
| Country Flags with the Most Orange | 0 | - | 4.96 | 100,205 |
| Country Flags with the Most Yellow | 0 | - | 4.95 | 99,807 |
| Country Flags with the Most Black | 0 | - | 4.95 | 98,218 |
| Country Flags with the Most Stripes - Picture Quiz | 0 | - | 4.95 | 68,145 |
| Least Christian Countries with Exceptions | 0 | - | 4.90 | 89,220 |
| Country Flags with the Most Colours A-Z | 0 | - | 4.95 | 50,525 |
| Countries by Partial Flag Images #2 | 0 | - | 4.97 | 100,115 |
| Countries by Partial Flag Images #4 | 0 | - | 4.91 | 81,466 |
| Countries by Partial Flag Images #5 | 0 | - | 4.98 | 66,717 |
| Countries by Partial Flag Images #6 | 0 | - | 4.89 | 45,788 |
| Countries by Partial Flag Images #7 | 0 | - | 4.88 | 32,756 |
| Countries by Coat of Arms #1 | 0 | - | 4.92 | 73,091 |
| Countries by Coat of Arms #2 | 0 | - | 4.81 | 41,660 |
| World Coats of Arms | 0 | - | 4.99 | 65,235 |
| Countries of Europe Quiz | 0 | - | 5.00 | 3,807,819 |
| Five Most Guessed Country Flags by Continent | 0 | - | 4.98 | 54,913 |
| Countries With Blue and White Flags | 0 | - | 4.90 | 98,812 |
| Country Flags that are White, Red and Green Only | 0 | - | 4.86 | 36,264 |
| Country Flags With Blue Removed | 0 | - | 4.89 | 45,052 |
| Flags of Countries With More Than 100 Million People | 0 | - | 4.98 | 160,026 |
| Sahara Desert Countries | 0 | - | 4.98 | 166,544 |
| Himalayan Countries | 0 | - | 4.93 | 140,478 |
| Andean Countries | 0 | - | 4.94 | 85,618 |
| Countries with the Youngest Median Age | 0 | - | 4.97 | 64,746 |
| Countries in the Southern Hemisphere | 0 | - | 4.99 | 127,213 |
| Coffee Producing Countries | 0 | - | 4.83 | 68,313 |
| Countries with Shrinking Populations | 0 | - | 4.94 | 66,545 |
| Danube Countries | 0 | - | 4.97 | 72,470 |
| Countries With an "Ish" Demonym | 0 | - | 4.97 | 117,679 |
| Countries With an "Ese" Demonym | 0 | - | 4.97 | 86,899 |
| Countries with the Worst Passports | 0 | - | 4.93 | 85,262 |
| Countries with the Most Immigrants | 0 | - | 4.90 | 150,735 |
| European Landlocked Countries | 0 | - | 4.99 | 147,671 |
| Partially Recognized Countries | 0 | - | 4.98 | 107,396 |
| Countries with the Most Species | 0 | - | 4.99 | 103,604 |
| Countries 197 to 205 | 0 | - | 4.90 | 71,509 |
| Tropic of Cancer Countries | 0 | - | 4.97 | 53,791 |
| Tropic of Capricorn Countries | 0 | - | 4.96 | 47,912 |
| Countries that Use the Peso | 0 | - | 4.89 | 59,876 |
| Countries with the Largest Exclusive Economic Zone | 0 | - | 4.90 | 73,616 |
| Countries with a AAA Credit Rating | 0 | - | 4.86 | 58,069 |
| Countries in the Alps | 0 | - | 4.87 | 118,856 |
| Top Five Importing Partners by Country | 0 | - | 4.97 | 102,789 |
| Countries, Capitals, Currencies and Official Languages | 0 | - | 5.00 | 107,990 |
| Biggest Import Partners By Country | 0 | - | 4.99 | 79,010 |
| Southernmost Countries by Continent | 0 | - | 4.98 | 97,090 |
| Northernmost Countries by Continent | 0 | - | 4.98 | 117,038 |
| Countries by Population Growth, 1970–Present | 0 | - | 4.92 | 96,320 |
| World Map without 12 Countries #2 | 0 | - | 4.98 | 174,780 |
| World Map without 12 Countries #3 | 0 | - | 4.98 | 139,526 |
| Five Biggest Countries by Latitude | 0 | - | 4.97 | 101,470 |
| Five Biggest Countries by Longitude | 0 | - | 4.91 | 53,924 |
| Largest Country by Body of Water | 0 | - | 4.96 | 58,464 |
| Countries with the Most Container Port Traffic | 0 | - | 4.92 | 63,235 |
| Bridge and Tunnel Borders | 0 | - | 4.96 | 53,914 |
| Countries with the Longest Road Networks Quiz | 0 | - | 4.91 | 41,782 |
| Countries that Touch the Prime Meridian or Equator | 0 | - | 4.88 | 104,610 |
| Arctic Ocean Countries | 0 | - | 4.95 | 79,848 |
| Countries with the Most Grassland | 0 | - | 4.94 | 77,949 |
| All Countries by Area : Four at a Time | 0 | - | 5.00 | 119,987 |
| Countries with the Most Climate Zones | 0 | - | 4.96 | 68,658 |
| Countries that Host the Most Refugees | 0 | - | 4.96 | 75,550 |
| Countries with the Most Catholics | 0 | - | 4.90 | 110,499 |
| Countries of the World by Similar Area in 90 Seconds | 0 | - | 4.95 | 46,743 |
| All Countries of the World by Area with Hints | 0 | - | 4.97 | 245,951 |
| World Countries - Blind Typing | 0 | - | 5.00 | 109,306 |
| Countries in Their Own Alphabet | 0 | - | 4.95 | 48,551 |
| Largest Countries By Category | 0 | - | 4.97 | 158,948 |
| Orthodox Countries | 0 | - | 4.92 | 132,867 |
| Countries by Countries | 0 | - | 4.96 | 63,708 |
| Flags of Countries of the World in 1910 | 0 | - | 4.96 | 79,535 |
| Battle to Country | 0 | - | 4.91 | 54,028 |
| Monarchies of Europe | 0 | - | 4.90 | 98,938 |
| Monarchies of Asia | 0 | - | 4.97 | 71,544 |
| Country Flags with the Most White | 0 | - | 4.85 | 139,332 |
| Countries With the Northernmost Southernmost Point | 0 | - | 4.96 | 62,426 |
| Country Flags With Only Two Colors | 0 | - | 4.91 | 89,152 |
| Asian Country Superlatives | 0 | - | 4.84 | 81,315 |
| Country Shapes Quiz #3 | 0 | - | 4.90 | 297,550 |
| Country Shapes Quiz #4 | 0 | - | 4.94 | 226,920 |
| Country Shapes Quiz #5 | 0 | - | 4.93 | 165,316 |
| Recognize Countries by Tripoint Maps #1 | 0 | - | 4.99 | 40,117 |
| Recognize Countries by Tripoint Maps #2 | 0 | - | 4.98 | 34,416 |
| Country Shapes in the World Map #3 | 0 | - | 4.99 | 105,195 |
| Country Shapes in the World Map #2 | 0 | - | 4.99 | 112,176 |
| Country Shapes in the World Map #1 | 0 | - | 4.99 | 123,020 |
| Country Shapes in the World Map #4 | 0 | - | 4.98 | 108,975 |
| Country Shapes in the World Map #6 | 0 | - | 4.98 | 81,163 |
| Country Shapes in the World Map #7 | 0 | - | 4.99 | 58,677 |
| Country Shapes in the World Map #5 | 0 | - | 4.98 | 86,413 |
| Five Countries with Most Christians by Continent | 0 | - | 4.99 | 112,605 |
| Pixelated Africa Map | 0 | - | 4.98 | 100,502 |
| Pixelated Asia Map | 0 | - | 4.90 | 73,817 |
| Pixelated Europe Map | 0 | - | 4.88 | 123,530 |
| Country Flags with Five Stars - Picture Quiz | 0 | - | 4.94 | 31,247 |
| Top 50 Countries by Population - In Order | 0 | - | 4.98 | 335,966 |
| Spanish-Speaking Countries | 0 | - | 4.95 | 376,846 |
| Countries with the Most Tourists Quiz | 0 | - | 4.92 | 409,993 |
| Island Countries | 0 | - | 4.99 | 712,757 |
| Countries of the World with an Empty Map | 0 | - | 5.00 | 3,395,252 |
| 20 Random Country Flags | 0 | - | 4.99 | 619,651 |
| Biggest Countries by Area | 0 | - | 5.00 | 1,055,359 |
| Northernmost Countries | 0 | - | 4.99 | 364,279 |
| Countries of South America | 0 | - | 5.00 | 933,392 |
| Countries of Oceania | 0 | - | 5.00 | 1,064,371 |
| Countries of Asia Quiz | 0 | - | 5.00 | 1,890,945 |
| "Land" Countries | 0 | - | 4.98 | 338,543 |
| Top 10 Biggest Economies in Europe | 0 | - | 4.98 | 200,832 |
| Top 10 Biggest Economies in Africa | 0 | - | 4.99 | 121,402 |
| Top 10 Biggest Economies in Asia | 0 | - | 4.87 | 137,499 |
| Top 10 Biggest Economies in the Americas | 0 | - | 4.94 | 92,885 |
| Countries Connected in the World Map #2 | 0 | - | 4.97 | 81,259 |
| Countries Connected in the World Map #1 | 0 | - | 4.97 | 77,927 |
| Countries Connected in the World Map #3 | 0 | - | 4.97 | 77,169 |
| Countries in a Ring of the World Map | 0 | - | 4.99 | 155,609 |
| Countries in a Strip of the World Map | 0 | - | 4.99 | 74,196 |
| Countries in a Stewart of the World Map | 0 | - | 4.99 | 55,591 |
| World Map Without 20 Random Countries | 0 | - | 4.99 | 8,403,098 |
| Top 10 Coldest European Countries | 0 | - | 4.94 | 193,970 |
| Top 10 Hottest European Countries | 0 | - | 4.88 | 127,863 |
| Top 10 Coldest Asian Countries | 0 | - | 4.95 | 123,782 |
| Countries by Bordering Flags #1 | 0 | - | 4.90 | 113,323 |
| Countries by Bordering Flags #2 | 0 | - | 4.86 | 83,635 |
| Biggest Countries by Population | 0 | - | 5.00 | 1,454,965 |
| Smallest Countries by Population and Area | 0 | - | 4.99 | 382,698 |
| Countries More Populous Than Their Neighbors | 0 | - | 4.99 | 175,314 |
| Countries with Megacities | 0 | - | 4.99 | 267,451 |
| Countries With More than 50 Million People | 0 | - | 4.99 | 200,983 |
| Countries with the Most Population Growth by Decade | 0 | - | 4.98 | 114,227 |
| Countries With More than 200 Million People | 0 | - | 4.95 | 139,310 |
| Countries Less Populous Than Their Neighbors | 0 | - | 4.96 | 82,332 |
| Countries by Official Language | 0 | - | 4.95 | 196,118 |
| Countries with the Most Speakers of These Languages | 0 | - | 4.91 | 297,779 |
| Countries in their Native Language | 0 | - | 4.99 | 199,836 |
| Independence from Whom | 0 | - | 4.99 | 213,221 |
| Subdivisions by Country | 0 | - | 4.87 | 50,642 |
| Who Controlled These Colonies? | 0 | - | 4.88 | 133,558 |
| Megadiverse Countries | 0 | - | 4.96 | 144,611 |
| Countries With the Most English Speakers | 0 | - | 4.86 | 133,032 |
| Countries Producing the Most Sugarcane | 0 | - | 4.94 | 55,555 |
| Countries with Multiple Big Islands | 0 | - | 4.93 | 126,748 |
| Top 10 Wheat-Producing Countries | 0 | - | 4.89 | 75,238 |
| 15 Biggest Island Countries | 0 | - | 4.98 | 164,345 |
| Most Recently-Settled Countries | 0 | - | 4.94 | 62,888 |
| Countries of the World in 1938 Quiz | 0 | - | 4.95 | 95,182 |
| Countries Bigger Than Their Neighbors | 0 | - | 4.93 | 154,591 |
| Countries with Multiple Populous Islands | 0 | - | 4.89 | 96,120 |
| Countries in Relation to Cities #1 | 0 | - | 4.92 | 45,275 |
| Countries by Sports League Revenue | 0 | - | 4.94 | 78,637 |
| Landmarks of Countries #1 | 0 | - | 4.89 | 108,431 |
| Countries Furthest from the United States | 0 | - | 4.94 | 89,463 |
| Countries with the Highest HDI | 0 | - | 4.95 | 137,175 |
| Straight Shot to the Arctic Circle | 0 | - | 4.88 | 75,602 |
| Most Dispersed Island Nations | 0 | - | 4.97 | 71,913 |
| Countries of the World in Alphabetical Order | 0 | - | 5.00 | 112,529 |
| World Map Quiz | 0 | - | 4.81 | 65,822 |
| Recognized, Non-Recognized Countries, and Territories of the World | 0 | - | 5.00 | 159,539 |
| Smallest Countries with at Least One Border | 0 | - | 4.88 | 107,757 |
| Pixelated Country Shapes #1 | 0 | - | 4.75 | 72,480 |
| Pixelated Country Shapes #2 | 0 | - | 4.75 | 67,744 |
| Southernmost Countries of the World | 0 | - | 4.99 | 229,376 |
| Countries by Inland Surface Water | 0 | - | 4.93 | 106,153 |
| Top 20 Motor Vehicle Producing Countries | 0 | - | 4.91 | 123,621 |
| Countries With the Most Languages | 0 | - | 4.90 | 203,731 |
| Countries with the Highest Population Under Age 15 | 0 | - | 4.96 | 111,483 |
| Countries with the Highest Population 65 and Older | 0 | - | 4.90 | 94,602 |
| Countries with the Most Prisoners | 0 | - | 4.94 | 99,788 |
| Countries with the Most Domestic Camels | 0 | - | 4.94 | 61,723 |
| Tallest Countries North to South | 0 | - | 4.85 | 130,846 |
| Widest Countries East to West | 0 | - | 4.92 | 130,778 |
| Countries with the Highest Average Elevation | 0 | - | 4.98 | 71,616 |
| Largest Countries by Area or Population | 0 | - | 5.00 | 187,304 |
| Countries with the Most Area in the Southern Hemisphere | 0 | - | 4.99 | 98,534 |
| Most Populous Countries as a Percent of Their Continent | 0 | - | 4.97 | 95,096 |
| Largest Countries as a Percent of Continent | 0 | - | 4.97 | 149,036 |
| Countries with the Most Desert | 0 | - | 4.93 | 128,533 |
| Countries by Contribution to UN Budget | 0 | - | 4.87 | 77,517 |
