| Countries by Satellite Image #1 | 0 | - | 4.89 | 146,225 |
| Countries by Satellite Image #5 | 0 | - | 4.90 | 82,870 |
| Countries by Partial Satellite Image #3 | 0 | - | 4.83 | 49,067 |
| Countries by Partial Flag Images #1 | 0 | - | 4.96 | 145,236 |
| Countries by Partial Flag Images #3 | 0 | - | 4.98 | 116,419 |
| Flags with the Most Stars | 0 | - | 4.91 | 136,948 |
| Country Flags with the Southern Cross | 0 | - | 4.81 | 62,577 |
| Flags that are Red & White Only | 0 | - | 4.97 | 164,769 |
| Country Flags that are Red, White, and Blue Only | 0 | - | 4.93 | 146,468 |
| Flags of the Countries with Four Letters | 0 | - | 4.94 | 76,662 |
| Four Countries with Similar Flags #2 | 0 | - | 4.92 | 47,838 |
| Four Countries with Similar Flags #1 | 0 | - | 4.97 | 68,769 |
| Country Flags with the Most Red | 0 | - | 4.98 | 120,767 |
| Country Flags with the Most Blue | 0 | - | 4.89 | 92,774 |
| Country Flags with the Most Green | 0 | - | 4.96 | 99,874 |
| Country Flags with the Most Orange | 0 | - | 4.96 | 99,671 |
| Country Flags with the Most Yellow | 0 | - | 4.94 | 99,306 |
| Country Flags with the Most Black | 0 | - | 4.95 | 97,738 |
| Country Flags with the Most Stripes - Picture Quiz | 0 | - | 4.95 | 67,838 |
| Country Flags with the Most Colours A-Z | 0 | - | 4.95 | 50,238 |
| Countries by Partial Flag Images #2 | 0 | - | 4.97 | 99,651 |
| Countries by Partial Flag Images #4 | 0 | - | 4.91 | 81,000 |
| Countries by Partial Flag Images #5 | 0 | - | 4.98 | 66,192 |
| Countries by Partial Flag Images #6 | 0 | - | 4.89 | 45,287 |
| Countries by Partial Flag Images #7 | 0 | - | 4.88 | 32,156 |
| Countries by Coat of Arms #1 | 0 | - | 4.93 | 72,872 |
| Countries by Coat of Arms #2 | 0 | - | 4.81 | 41,550 |
| World Coats of Arms | 0 | - | 4.99 | 64,719 |
| Countries With Blue and White Flags | 0 | - | 4.90 | 98,579 |
| Country Flags that are White, Red and Green Only | 0 | - | 4.86 | 36,031 |
| Country Flags With Blue Removed | 0 | - | 4.92 | 44,645 |
| Countries by Road Signs | 0 | - | 4.98 | 54,026 |
| Country Flags with Five Stars - Picture Quiz | 0 | - | 4.93 | 31,059 |
| Countries by Picture #1 | 0 | - | 4.51 | 118,496 |
| Countries by Picture #3 | 0 | - | 4.51 | 60,901 |
| Guess the Country by a Picture Hint | 0 | - | 4.43 | 48,008 |
| 20 Random Country Flags | 0 | - | 4.99 | 614,656 |
| Countries by Bordering Flags #1 | 0 | - | 4.90 | 112,936 |
| Countries by Bordering Flags #2 | 0 | - | 4.86 | 83,312 |
| Countries of the World Quiz | 0 | - | 5.00 | 47,597,029 |
| Merged Countries #2 | 0 | - | 4.96 | 99,264 |
| Merged Countries #6 | 0 | - | 4.90 | 73,485 |
| Merged Countries #7 | 0 | - | 4.93 | 82,819 |
| Landlocked Countries | 0 | - | 4.99 | 422,150 |
| World Map without 12 Countries | 0 | - | 4.97 | 345,013 |
| Country Shapes Quiz #1 | 0 | - | 4.93 | 908,082 |
| Country Shapes Quiz #2 | 0 | - | 4.97 | 417,400 |
| Every Country Shape | 0 | - | 5.00 | 467,507 |
| Flags of North and South America | 0 | - | 4.99 | 374,353 |
| Pixelated World Map | 0 | - | 5.00 | 143,648 |
| Category Elimination - Country Flags #1 | 0 | - | 4.96 | 142,898 |
| Countries of Europe Quiz | 0 | - | 5.00 | 3,780,077 |
| Five Most Guessed Country Flags by Continent | 0 | - | 4.98 | 54,056 |
| Countries by Picture #4 | 0 | - | 4.15 | 46,660 |
| Countries by Picture #2 | 0 | - | 4.38 | 72,133 |
| Countries by Picture #5 | 0 | - | 4.25 | 44,553 |
| Countries by Picture #6 | 0 | - | 4.16 | 37,113 |
| Former Flags | 0 | - | 4.97 | 107,978 |
| Flags of Countries With More Than 100 Million People | 0 | - | 4.97 | 159,539 |
| Sahara Desert Countries | 0 | - | 4.98 | 164,565 |
| Himalayan Countries | 0 | - | 4.94 | 138,826 |
| Andean Countries | 0 | - | 4.93 | 84,661 |
| Countries with the Youngest Median Age | 0 | - | 4.97 | 63,863 |
| Countries in the Southern Hemisphere | 0 | - | 4.99 | 125,901 |
| Coffee Producing Countries | 0 | - | 4.83 | 67,492 |
| Countries with Shrinking Populations | 0 | - | 4.94 | 65,839 |
| Danube Countries | 0 | - | 4.97 | 72,035 |
| Countries With an "Ish" Demonym | 0 | - | 4.98 | 117,044 |
| Countries With an "Ese" Demonym | 0 | - | 4.97 | 86,444 |
| Countries with the Worst Passports | 0 | - | 4.93 | 84,351 |
| Countries with the Most Immigrants | 0 | - | 4.90 | 149,833 |
| European Landlocked Countries | 0 | - | 4.99 | 147,165 |
| Partially Recognized Countries | 0 | - | 4.98 | 106,680 |
| Countries with the Most Species | 0 | - | 4.99 | 103,264 |
| Countries 197 to 205 | 0 | - | 4.90 | 70,795 |
| Tropic of Cancer Countries | 0 | - | 4.97 | 53,603 |
| Tropic of Capricorn Countries | 0 | - | 4.96 | 47,729 |
| Countries that Use the Peso | 0 | - | 4.89 | 59,556 |
| Countries with the Largest Exclusive Economic Zone | 0 | - | 4.90 | 73,247 |
| Countries with a AAA Credit Rating | 0 | - | 4.86 | 57,685 |
| Countries in the Alps | 0 | - | 4.87 | 118,234 |
| Top Five Importing Partners by Country | 0 | - | 4.97 | 101,225 |
| Countries, Capitals, Currencies and Official Languages | 0 | - | 5.00 | 107,065 |
| Biggest Import Partners By Country | 0 | - | 4.99 | 78,674 |
| Southernmost Countries by Continent | 0 | - | 4.98 | 96,615 |
| Northernmost Countries by Continent | 0 | - | 4.98 | 116,542 |
| Countries by Population Growth, 1970–Present | 0 | - | 4.92 | 95,961 |
| World Map without 12 Countries #2 | 0 | - | 4.98 | 173,809 |
| World Map without 12 Countries #3 | 0 | - | 4.98 | 138,707 |
| Five Biggest Countries by Latitude | 0 | - | 4.97 | 100,696 |
| Five Biggest Countries by Longitude | 0 | - | 4.91 | 53,514 |
| Largest Country by Body of Water | 0 | - | 4.96 | 58,192 |
| Countries with the Most Container Port Traffic | 0 | - | 4.92 | 62,868 |
| Bridge and Tunnel Borders | 0 | - | 4.96 | 53,667 |
| Countries with the Longest Road Networks Quiz | 0 | - | 4.90 | 41,537 |
| Countries that Touch the Prime Meridian or Equator | 0 | - | 4.88 | 104,242 |
| Arctic Ocean Countries | 0 | - | 4.95 | 79,493 |
| Countries by Satellite Image #3 | 0 | - | 4.63 | 71,561 |
| Countries by Satellite Image #2 | 0 | - | 4.80 | 70,264 |
| Countries by Satellite Image #4 | 0 | - | 4.63 | 67,337 |
| Countries by Partial Satellite Image #2 | 0 | - | 4.53 | 47,000 |
| Countries with the Most Grassland | 0 | - | 4.94 | 77,544 |
| All Countries by Area : Four at a Time | 0 | - | 5.00 | 118,953 |
| Countries with the Most Climate Zones | 0 | - | 4.96 | 68,332 |
| Similar Flags #1 | 0 | - | 4.75 | 130,282 |
| Similar Flags #2 | 0 | - | 4.74 | 137,576 |
| Countries that Host the Most Refugees | 0 | - | 4.96 | 64,009 |
| Countries by Partial Satellite Image #1 | 0 | - | 4.75 | 44,584 |
| Countries of the World by Similar Area in 90 Seconds | 0 | - | 4.95 | 46,118 |
| All Countries of the World by Area with Hints | 0 | - | 4.97 | 244,038 |
| World Countries - Blind Typing | 0 | - | 5.00 | 108,178 |
| Countries in Their Own Alphabet | 0 | - | 4.95 | 48,249 |
| Largest Countries By Category | 0 | - | 4.97 | 158,248 |
| Countries by Countries | 0 | - | 4.96 | 63,253 |
| Flags of Countries of the World in 1910 | 0 | - | 4.96 | 79,063 |
| Country Flags with the Most White | 0 | - | 4.85 | 138,711 |
| Countries With the Northernmost Southernmost Point | 0 | - | 4.96 | 62,297 |
| Countries with the Southernmost Northernmost Point | 0 | - | 4.87 | 47,571 |
| Six Degrees of Separation - Countries #1 | 0 | - | 4.96 | 99,045 |
| Country Flags With Only Two Colors | 0 | - | 4.91 | 88,690 |
| Country Shapes Quiz #3 | 0 | - | 4.90 | 296,451 |
| Country Shapes Quiz #4 | 0 | - | 4.94 | 226,022 |
| Country Shapes Quiz #5 | 0 | - | 4.93 | 164,570 |
| Recognize Countries by Tripoint Maps #1 | 0 | - | 4.99 | 38,534 |
| Recognize Countries by Tripoint Maps #2 | 0 | - | 4.98 | 32,563 |
| Country Shapes in the World Map #3 | 0 | - | 4.99 | 104,719 |
| Country Shapes in the World Map #2 | 0 | - | 4.99 | 111,748 |
| Country Shapes in the World Map #1 | 0 | - | 4.99 | 122,406 |
| Country Shapes in the World Map #4 | 0 | - | 4.98 | 108,527 |
| Country Shapes in the World Map #6 | 0 | - | 4.98 | 80,845 |
| Country Shapes in the World Map #7 | 0 | - | 4.99 | 58,353 |
| Country Shapes in the World Map #5 | 0 | - | 4.98 | 86,047 |
| Cartoon Versions of Countries | 0 | - | 4.99 | 95,420 |
| Top 50 Countries by Population - In Order | 0 | - | 4.98 | 331,713 |
| Spanish-Speaking Countries | 0 | - | 4.95 | 375,554 |
| Countries with the Most Tourists Quiz | 0 | - | 4.92 | 407,436 |
| Island Countries | 0 | - | 4.99 | 711,109 |
| Countries of the World with an Empty Map | 0 | - | 5.00 | 3,384,138 |
| Biggest Countries by Area | 0 | - | 5.00 | 1,050,108 |
| Northernmost Countries | 0 | - | 4.99 | 362,041 |
| Countries of South America | 0 | - | 5.00 | 927,609 |
| Countries of Oceania | 0 | - | 5.00 | 1,057,306 |
| Countries of Asia Quiz | 0 | - | 5.00 | 1,877,894 |
| "Land" Countries | 0 | - | 4.98 | 337,394 |
| World Map with Random Merged Countries | 0 | - | 4.99 | 1,722,449 |
| All Country Flags of the World | 0 | - | 5.00 | 3,680,572 |
| Countries Connected in the World Map #2 | 0 | - | 4.97 | 80,715 |
| Countries Connected in the World Map #1 | 0 | - | 4.97 | 77,415 |
| Countries Connected in the World Map #3 | 0 | - | 4.97 | 76,650 |
| Countries in a Ring of the World Map | 0 | - | 4.99 | 154,724 |
| Countries in a Strip of the World Map | 0 | - | 4.99 | 73,770 |
| Countries in a Stewart of the World Map | 0 | - | 4.99 | 55,268 |
| World Map Without 20 Random Countries | 0 | - | 4.99 | 8,347,451 |
| Flags of the Mediterranean | 0 | - | 4.94 | 148,829 |
| Biggest Countries by Population | 0 | - | 5.00 | 1,448,463 |
| Smallest Countries by Population and Area | 0 | - | 4.99 | 381,036 |
| Countries More Populous Than Their Neighbors | 0 | - | 4.99 | 173,943 |
| Countries with Megacities | 0 | - | 4.99 | 264,656 |
| Countries With More than 50 Million People | 0 | - | 4.99 | 199,774 |
| Countries with the Most Population Growth by Decade | 0 | - | 4.98 | 113,494 |
| Countries With More than 200 Million People | 0 | - | 4.95 | 138,038 |
| Countries Less Populous Than Their Neighbors | 0 | - | 4.96 | 81,565 |
| Countries by Official Language | 0 | - | 4.95 | 195,286 |
| Countries with the Most Speakers of These Languages | 0 | - | 4.91 | 296,420 |
| Countries in their Native Language | 0 | - | 4.99 | 199,078 |
| Independence from Whom | 0 | - | 4.99 | 212,147 |
| Subdivisions by Country | 0 | - | 4.86 | 50,437 |
| Who Controlled These Colonies? | 0 | - | 4.88 | 132,762 |
| Megadiverse Countries | 0 | - | 4.96 | 135,028 |
| Countries With the Most English Speakers | 0 | - | 4.86 | 132,123 |
| Countries Producing the Most Sugarcane | 0 | - | 4.95 | 55,368 |
| Countries with Multiple Big Islands | 0 | - | 4.93 | 126,245 |
| Top 10 Wheat-Producing Countries | 0 | - | 4.89 | 75,112 |
| 15 Biggest Island Countries | 0 | - | 4.98 | 163,161 |
| Most Recently-Settled Countries | 0 | - | 4.94 | 62,605 |
| Countries of the World in 1938 Quiz | 0 | - | 4.95 | 94,499 |
| Countries Bigger Than Their Neighbors | 0 | - | 4.93 | 154,044 |
| Countries with Multiple Populous Islands | 0 | - | 4.89 | 95,669 |
| Countries in Relation to Cities #1 | 0 | - | 4.92 | 45,152 |
| Countries by Sports League Revenue | 0 | - | 4.94 | 77,701 |
| Landmarks of Countries #1 | 0 | - | 4.88 | 107,895 |
| Countries Furthest from the United States | 0 | - | 4.94 | 89,217 |
| Countries with the Highest HDI | 0 | - | 4.95 | 136,975 |
| Straight Shot to the Arctic Circle | 0 | - | 4.88 | 75,362 |
| Most Dispersed Island Nations | 0 | - | 4.97 | 71,503 |
| Countries of the World in Alphabetical Order | 0 | - | 5.00 | 111,238 |
| World Map Quiz | 0 | - | 4.81 | 65,117 |
| Recognized, Non-Recognized Countries, and Territories of the World | 0 | - | 5.00 | 157,374 |
| Smallest Countries with at Least One Border | 0 | - | 4.87 | 107,367 |
| Countries by Founding Story | 0 | - | 4.95 | 77,389 |
| Southernmost Countries of the World | 0 | - | 4.99 | 228,125 |
| Countries by Inland Surface Water | 0 | - | 4.93 | 105,305 |
| Top 20 Motor Vehicle Producing Countries | 0 | - | 4.91 | 123,016 |
| Countries With the Most Languages | 0 | - | 4.90 | 202,251 |
| Countries with the Highest Population Under Age 15 | 0 | - | 4.95 | 110,916 |
| Countries with the Highest Population 65 and Older | 0 | - | 4.90 | 94,028 |
| Countries with the Most Prisoners | 0 | - | 4.94 | 99,315 |
| Countries with the Most Domestic Camels | 0 | - | 4.94 | 61,450 |
| Tallest Countries North to South | 0 | - | 4.83 | 120,587 |
| Widest Countries East to West | 0 | - | 4.92 | 129,666 |