| Countries by Partial Flag Images #1 | 0 | - | 4.96 | 146,142 |
| Countries by Partial Flag Images #3 | 0 | - | 4.98 | 117,161 |
| Flags with the Most Stars | 0 | - | 4.91 | 137,700 |
| Country Flags with the Southern Cross | 0 | - | 4.81 | 63,074 |
| Flags that are Red & White Only | 0 | - | 4.97 | 165,446 |
| Country Flags that are Red, White, and Blue Only | 0 | - | 4.92 | 147,165 |
| Flags of the Countries with Four Letters | 0 | - | 4.94 | 77,458 |
| Four Countries with Similar Flags #2 | 0 | - | 4.92 | 48,283 |
| Four Countries with Similar Flags #1 | 0 | - | 4.97 | 69,225 |
| Country Flags with the Most Red | 0 | - | 4.98 | 121,221 |
| Country Flags with the Most Blue | 0 | - | 4.89 | 93,174 |
| Country Flags with the Most Green | 0 | - | 4.96 | 100,252 |
| Country Flags with the Most Orange | 0 | - | 4.96 | 100,038 |
| Country Flags with the Most Yellow | 0 | - | 4.95 | 99,648 |
| Country Flags with the Most Black | 0 | - | 4.95 | 98,071 |
| Country Flags with the Most Stripes - Picture Quiz | 0 | - | 4.95 | 68,043 |
| Country Flags with the Most Colours A-Z | 0 | - | 4.95 | 50,437 |
| Countries by Partial Flag Images #2 | 0 | - | 4.97 | 99,991 |
| Countries by Partial Flag Images #4 | 0 | - | 4.91 | 81,336 |
| Countries by Partial Flag Images #5 | 0 | - | 4.98 | 66,566 |
| Countries by Partial Flag Images #6 | 0 | - | 4.89 | 45,646 |
| Countries by Partial Flag Images #7 | 0 | - | 4.88 | 32,597 |
| Countries With Blue and White Flags | 0 | - | 4.90 | 98,757 |
| Country Flags that are White, Red and Green Only | 0 | - | 4.86 | 36,198 |
| Country Flags With Blue Removed | 0 | - | 4.92 | 44,941 |
| Flags of Countries With More Than 100 Million People | 0 | - | 4.98 | 159,916 |
| Flags of Countries of the World in 1910 | 0 | - | 4.96 | 79,404 |
| Country Flags with Five Stars - Picture Quiz | 0 | - | 4.94 | 31,188 |
| 20 Random Country Flags | 0 | - | 4.99 | 617,996 |
| Countries by Bordering Flags #1 | 0 | - | 4.90 | 113,191 |
| Countries by Bordering Flags #2 | 0 | - | 4.86 | 83,523 |
| Flags of Europe Quiz | 0 | - | 4.99 | 1,255,761 |
| Flags of Asia Quiz | 0 | - | 4.99 | 619,119 |
| World Map without 12 Countries | 0 | - | 4.97 | 345,850 |
| Country Shapes Quiz #1 | 0 | - | 4.93 | 909,337 |
| Country Shapes Quiz #2 | 0 | - | 4.97 | 418,190 |
| Every Country Shape | 0 | - | 5.00 | 470,290 |
| Flags of Africa Quiz | 0 | - | 5.00 | 476,595 |
| Flags of North and South America | 0 | - | 4.99 | 376,371 |
| Former Flags | 0 | - | 4.97 | 108,425 |
| Flags to Capitals #1 | 0 | - | 4.96 | 58,856 |
| Flags to Capitals #2 | 0 | - | 4.95 | 44,713 |
| World Map without 12 Countries #2 | 0 | - | 4.98 | 174,449 |
| World Map without 12 Countries #3 | 0 | - | 4.98 | 139,262 |
| Category Elimination - Country Flags #1 | 0 | - | 4.96 | 143,407 |
| Countries by Road Signs | 0 | - | 4.98 | 54,287 |
| Country Shapes Quiz #3 | 0 | - | 4.90 | 297,036 |
| Country Shapes Quiz #4 | 0 | - | 4.94 | 226,586 |
| Country Shapes Quiz #5 | 0 | - | 4.93 | 165,055 |
| Recognize Countries by Tripoint Maps #1 | 0 | - | 4.99 | 39,654 |
| Recognize Countries by Tripoint Maps #2 | 0 | - | 4.98 | 33,847 |
| Country Shapes in the World Map #3 | 0 | - | 4.99 | 105,055 |
| Country Shapes in the World Map #2 | 0 | - | 4.99 | 112,045 |
| Country Shapes in the World Map #1 | 0 | - | 4.99 | 122,902 |
| Country Shapes in the World Map #4 | 0 | - | 4.98 | 108,851 |
| Country Shapes in the World Map #6 | 0 | - | 4.98 | 81,081 |
| Country Shapes in the World Map #7 | 0 | - | 4.99 | 58,589 |
| Country Shapes in the World Map #5 | 0 | - | 4.98 | 86,315 |
| Cartoon Versions of Countries | 0 | - | 4.99 | 95,698 |
| Country Shapes Under the Sea | 0 | - | 5.00 | 78,201 |
| A Square of Merged Countries #1 | 0 | - | 4.89 | 60,014 |
| Country Shapes Slideshow | 0 | - | 4.81 | 39,803 |
| A Square of Merged Countries #2 | 0 | - | 4.98 | 41,907 |
| Five Most Guessed Country Flags by Continent | 0 | - | 4.98 | 54,762 |
| Flags of Oceania | 0 | - | 5.00 | 262,234 |
| Three Band Flags of Europe | 0 | - | 4.98 | 194,406 |
| Similar Flags #1 | 0 | - | 4.75 | 130,665 |
| Similar Flags #2 | 0 | - | 4.74 | 137,968 |
| Countries Connected in the World Map #2 | 0 | - | 4.97 | 81,109 |
| Countries Connected in the World Map #1 | 0 | - | 4.97 | 77,776 |
| Countries Connected in the World Map #3 | 0 | - | 4.97 | 77,031 |
| Countries in a Ring of the World Map | 0 | - | 4.99 | 155,471 |
| Countries in a Strip of the World Map | 0 | - | 4.99 | 74,077 |
| Countries in a Stewart of the World Map | 0 | - | 4.99 | 55,499 |
| Flags of the Countries that Start with C | 0 | - | 4.88 | 130,601 |
| Flags of the Countries that Start with I | 0 | - | 4.94 | 154,531 |
| Flags of the Countries that Start with B | 0 | - | 4.97 | 43,474 |
| Flags of the Countries that Start with A | 0 | - | 4.94 | 127,811 |
| Flags of the Mediterranean | 0 | - | 4.94 | 149,223 |
| World Map Without 20 Random Countries | 0 | - | 4.99 | 8,384,499 |
| Countries of the World Quiz | 0 | - | 5.00 | 47,812,894 |
| Countries with Four Letters - Shape Quiz | 0 | - | 4.97 | 101,870 |
| Countries in an Empty Ring of the World Map | 0 | - | 4.92 | 127,185 |
| Country Picture Puzzle Game #1 | 0 | - | 4.86 | 86,826 |
| One Border Countries - Shape Quiz | 0 | - | 4.85 | 65,163 |
| Merged Country Shapes Quiz #1 | 0 | - | 4.93 | 59,646 |
| Merged Country Shapes Quiz #2 | 0 | - | 4.92 | 60,443 |
| Merged Country Shapes Quiz #3 | 0 | - | 4.87 | 42,274 |
| Divided Country Shape Puzzle #1 | 0 | - | 4.88 | 53,868 |
| Merged Countries #2 | 0 | - | 4.96 | 99,819 |
| Merged Countries #4 | 0 | - | 4.81 | 94,059 |
| Merged Countries #6 | 0 | - | 4.90 | 73,750 |
| Merged Countries #7 | 0 | - | 4.93 | 83,091 |
| Landlocked Countries | 0 | - | 4.99 | 424,869 |
| Save Humanity by Guessing Countries | 0 | - | 4.98 | 585,994 |
| Random Countries on the World Map | 0 | - | 5.00 | 1,557,820 |
| Countries by Satellite Image #1 | 0 | - | 4.89 | 146,716 |
| Countries by Satellite Image #5 | 0 | - | 4.90 | 83,108 |
| Countries by Partial Satellite Image #3 | 0 | - | 4.83 | 49,214 |
| Pixelated World Map | 0 | - | 5.00 | 143,993 |
| Countries by Coat of Arms #1 | 0 | - | 4.92 | 73,015 |
| Countries by Coat of Arms #2 | 0 | - | 4.81 | 41,616 |
| World Coats of Arms | 0 | - | 4.99 | 65,045 |
| Countries in a JetPunk Fish of the World Map | 0 | - | 4.99 | 60,634 |
| Countries in a Blue JetPunk Fish of the World Map | 0 | - | 4.92 | 72,318 |
| Random Country Shape to Country | 0 | - | 4.90 | 115,044 |
| Countries of Europe Quiz | 0 | - | 5.00 | 3,798,678 |
| Sahara Desert Countries | 0 | - | 4.98 | 165,810 |
| Himalayan Countries | 0 | - | 4.93 | 139,895 |
| Andean Countries | 0 | - | 4.94 | 85,246 |
| Countries with the Youngest Median Age | 0 | - | 4.97 | 64,419 |
| Countries in the Southern Hemisphere | 0 | - | 4.99 | 126,747 |
| Coffee Producing Countries | 0 | - | 4.83 | 67,986 |
| Countries with Shrinking Populations | 0 | - | 4.94 | 66,290 |
| Danube Countries | 0 | - | 4.97 | 72,299 |
| Countries With an "Ish" Demonym | 0 | - | 4.98 | 117,456 |
| Countries With an "Ese" Demonym | 0 | - | 4.97 | 86,743 |
| Countries with the Worst Passports | 0 | - | 4.93 | 84,926 |
| Countries with the Most Immigrants | 0 | - | 4.90 | 150,424 |
| European Landlocked Countries | 0 | - | 4.99 | 147,499 |
| Partially Recognized Countries | 0 | - | 4.98 | 107,145 |
| Countries with the Most Species | 0 | - | 4.99 | 103,508 |
| Countries 197 to 205 | 0 | - | 4.90 | 71,289 |
| Tropic of Cancer Countries | 0 | - | 4.97 | 53,725 |
| Tropic of Capricorn Countries | 0 | - | 4.96 | 47,838 |
| Countries that Use the Peso | 0 | - | 4.89 | 59,773 |
| Countries with the Largest Exclusive Economic Zone | 0 | - | 4.90 | 73,507 |
| Countries with a AAA Credit Rating | 0 | - | 4.86 | 57,936 |
| Countries in the Alps | 0 | - | 4.87 | 118,650 |
| Top Five Importing Partners by Country | 0 | - | 4.97 | 102,422 |
| Countries, Capitals, Currencies and Official Languages | 0 | - | 5.00 | 107,680 |
| Biggest Import Partners By Country | 0 | - | 4.99 | 78,903 |
| Southernmost Countries by Continent | 0 | - | 4.98 | 96,933 |
| Northernmost Countries by Continent | 0 | - | 4.98 | 116,855 |
| Countries by Population Growth, 1970–Present | 0 | - | 4.92 | 96,169 |
| Five Biggest Countries by Latitude | 0 | - | 4.97 | 101,294 |
| Five Biggest Countries by Longitude | 0 | - | 4.91 | 53,795 |
| Largest Country by Body of Water | 0 | - | 4.96 | 58,360 |
| Countries with the Most Container Port Traffic | 0 | - | 4.92 | 63,098 |
| Bridge and Tunnel Borders | 0 | - | 4.96 | 53,808 |
| Countries with the Longest Road Networks Quiz | 0 | - | 4.91 | 41,681 |
| Countries that Touch the Prime Meridian or Equator | 0 | - | 4.88 | 104,480 |
| Arctic Ocean Countries | 0 | - | 4.95 | 79,714 |
| Countries with the Most Grassland | 0 | - | 4.94 | 77,806 |
| All Countries by Area : Four at a Time | 0 | - | 5.00 | 119,598 |
| Countries with the Most Climate Zones | 0 | - | 4.96 | 68,545 |
| Countries that Host the Most Refugees | 0 | - | 4.96 | 65,636 |
| Countries of the World by Similar Area in 90 Seconds | 0 | - | 4.95 | 46,534 |
| All Countries of the World by Area with Hints | 0 | - | 4.97 | 245,351 |
| World Countries - Blind Typing | 0 | - | 5.00 | 108,926 |
| Countries in Their Own Alphabet | 0 | - | 4.95 | 48,457 |
| Largest Countries By Category | 0 | - | 4.97 | 158,727 |
| Countries by Countries | 0 | - | 4.96 | 63,547 |
| Country Flags with the Most White | 0 | - | 4.85 | 139,154 |
| Countries With the Northernmost Southernmost Point | 0 | - | 4.96 | 62,374 |
| Countries in Random Rings of the World Map | 0 | - | 4.99 | 87,583 |
| Countries with the Southernmost Northernmost Point | 0 | - | 4.87 | 47,651 |
| All Countries by Population With a Map | 0 | - | 4.98 | 110,695 |
| Six Degrees of Separation - Countries #1 | 0 | - | 4.96 | 99,311 |
| Country Flags With Only Two Colors | 0 | - | 4.91 | 89,018 |
| Random Countries on the Borderless World Map | 0 | - | 4.99 | 185,517 |
| Countries in Squares of the World Map | 0 | - | 5.00 | 185,374 |
| Name a Valid Country Flag | 0 | - | 4.70 | 76,873 |
| Top 50 Countries by Population - In Order | 0 | - | 4.98 | 334,744 |
| Spanish-Speaking Countries | 0 | - | 4.95 | 376,425 |
| Countries with the Most Tourists Quiz | 0 | - | 4.92 | 409,207 |
| Island Countries | 0 | - | 4.99 | 712,231 |
| Countries of the World with an Empty Map | 0 | - | 5.00 | 3,391,663 |
| Random Sequential Countries on the World Map | 0 | - | 5.00 | 525,605 |
| Countries in Random Squares of the World Map | 0 | - | 4.99 | 339,410 |
| Countries in Squares of an Empty World Map | 0 | - | 4.99 | 127,029 |
| Biggest Countries by Area | 0 | - | 5.00 | 1,053,732 |
| Northernmost Countries | 0 | - | 4.99 | 363,601 |
| Countries of South America | 0 | - | 5.00 | 931,440 |
| Countries of Oceania | 0 | - | 5.00 | 1,061,829 |
| Countries of Asia Quiz | 0 | - | 5.00 | 1,886,479 |
| "Land" Countries | 0 | - | 4.98 | 338,178 |
| World Map with Random Merged Countries | 0 | - | 4.99 | 1,728,395 |
| Every American Country by Shape | 0 | - | 4.79 | 37,349 |
| Cross Flags of Europe | 0 | - | 4.43 | 300,234 |
| Biggest Countries by Population | 0 | - | 5.00 | 1,452,869 |
| Smallest Countries by Population and Area | 0 | - | 4.99 | 382,160 |
| Countries More Populous Than Their Neighbors | 0 | - | 4.99 | 174,923 |
| Countries with Megacities | 0 | - | 4.99 | 266,661 |
| Countries With More than 50 Million People | 0 | - | 4.99 | 200,633 |
| Countries with the Most Population Growth by Decade | 0 | - | 4.98 | 113,987 |
| Countries With More than 200 Million People | 0 | - | 4.95 | 138,932 |
| Countries Less Populous Than Their Neighbors | 0 | - | 4.96 | 82,099 |
| Countries by Official Language | 0 | - | 4.95 | 195,847 |
| Countries with the Most Speakers of These Languages | 0 | - | 4.91 | 297,417 |
| Countries in their Native Language | 0 | - | 4.99 | 199,618 |
| Independence from Whom | 0 | - | 4.99 | 212,870 |
| Subdivisions by Country | 0 | - | 4.87 | 50,578 |
| Who Controlled These Colonies? | 0 | - | 4.88 | 133,298 |
| Megadiverse Countries | 0 | - | 4.96 | 135,217 |
| Countries With the Most English Speakers | 0 | - | 4.86 | 132,830 |
| Countries Producing the Most Sugarcane | 0 | - | 4.94 | 55,497 |
| Countries with Multiple Big Islands | 0 | - | 4.92 | 126,406 |
| Top 10 Wheat-Producing Countries | 0 | - | 4.89 | 75,200 |
| 15 Biggest Island Countries | 0 | - | 4.98 | 163,495 |
