| Country Flags Multiple Choice | 0 | - | 4.97 | 145,162 |
| Countries by Satellite Image #1 | 0 | - | 4.89 | 146,532 |
| Countries by Satellite Image #5 | 0 | - | 4.90 | 83,018 |
| Countries by Partial Satellite Image #3 | 0 | - | 4.83 | 49,160 |
| Countries by Partial Flag Images #1 | 0 | - | 4.96 | 145,869 |
| Countries by Partial Flag Images #3 | 0 | - | 4.98 | 116,954 |
| Flags with the Most Stars | 0 | - | 4.91 | 137,457 |
| Country Flags with the Southern Cross | 0 | - | 4.81 | 62,943 |
| Flags that are Red & White Only | 0 | - | 4.97 | 165,241 |
| Country Flags that are Red, White, and Blue Only | 0 | - | 4.92 | 146,948 |
| Flags of the Countries with Four Letters | 0 | - | 4.94 | 77,200 |
| Four Countries with Similar Flags #2 | 0 | - | 4.92 | 48,145 |
| Four Countries with Similar Flags #1 | 0 | - | 4.97 | 69,074 |
| Country Flags with the Most Red | 0 | - | 4.98 | 121,080 |
| Country Flags with the Most Blue | 0 | - | 4.89 | 93,055 |
| Country Flags with the Most Green | 0 | - | 4.96 | 100,123 |
| Country Flags with the Most Orange | 0 | - | 4.96 | 99,923 |
| Country Flags with the Most Yellow | 0 | - | 4.95 | 99,540 |
| Country Flags with the Most Black | 0 | - | 4.95 | 97,973 |
| Country Flags with the Most Stripes - Picture Quiz | 0 | - | 4.95 | 67,977 |
| Country Flags with the Most Colours A-Z | 0 | - | 4.95 | 50,374 |
| Countries by Partial Flag Images #2 | 0 | - | 4.97 | 99,890 |
| Countries by Partial Flag Images #4 | 0 | - | 4.91 | 81,239 |
| Countries by Partial Flag Images #5 | 0 | - | 4.98 | 66,450 |
| Countries by Partial Flag Images #6 | 0 | - | 4.89 | 45,531 |
| Countries by Partial Flag Images #7 | 0 | - | 4.88 | 32,470 |
| Countries by Coat of Arms #1 | 0 | - | 4.92 | 72,955 |
| Countries by Coat of Arms #2 | 0 | - | 4.81 | 41,590 |
| World Coats of Arms | 0 | - | 4.99 | 64,902 |
| Countries With Blue and White Flags | 0 | - | 4.90 | 98,707 |
| Country Flags that are White, Red and Green Only | 0 | - | 4.86 | 36,149 |
| Country Flags With Blue Removed | 0 | - | 4.92 | 44,846 |
| Countries by Road Signs | 0 | - | 4.98 | 54,210 |
| Country Flags with Five Stars - Picture Quiz | 0 | - | 4.94 | 31,151 |
| 20 Random Country Flags | 0 | - | 4.99 | 616,761 |
| Countries by Bordering Flags #1 | 0 | - | 4.90 | 113,119 |
| Countries by Bordering Flags #2 | 0 | - | 4.86 | 83,446 |
| Merged Countries #2 | 0 | - | 4.96 | 99,714 |
| Merged Countries #6 | 0 | - | 4.90 | 73,665 |
| Merged Countries #7 | 0 | - | 4.93 | 83,014 |
| Countries of the World Quiz | 0 | - | 5.00 | 47,734,085 |
| World Map without 12 Countries | 0 | - | 4.97 | 345,559 |
| Pixelated World Map | 0 | - | 5.00 | 143,873 |
| Category Elimination - Country Flags #1 | 0 | - | 4.96 | 143,213 |
| Country Shapes Quiz #1 | 0 | - | 4.93 | 908,869 |
| Country Shapes Quiz #2 | 0 | - | 4.97 | 417,907 |
| Every Country Shape | 0 | - | 5.00 | 469,348 |
| Five Most Guessed Country Flags by Continent | 0 | - | 4.98 | 54,632 |
| Flags of North and South America | 0 | - | 4.99 | 375,692 |
| Former Flags | 0 | - | 4.97 | 108,269 |
| Landlocked Countries | 0 | - | 4.99 | 423,839 |
| Save Humanity by Guessing Countries | 0 | - | 4.98 | 583,396 |
| Countries of Europe Quiz | 0 | - | 5.00 | 3,792,234 |
| Flags of Countries With More Than 100 Million People | 0 | - | 4.98 | 159,790 |
| World Map without 12 Countries #2 | 0 | - | 4.98 | 174,208 |
| World Map without 12 Countries #3 | 0 | - | 4.98 | 139,064 |
| Countries by Satellite Image #3 | 0 | - | 4.63 | 71,668 |
| Countries by Satellite Image #2 | 0 | - | 4.80 | 70,367 |
| Countries by Satellite Image #4 | 0 | - | 4.63 | 67,435 |
| Countries by Partial Satellite Image #2 | 0 | - | 4.53 | 47,064 |
| Similar Flags #1 | 0 | - | 4.75 | 130,517 |
| Similar Flags #2 | 0 | - | 4.74 | 137,827 |
| Countries by Partial Satellite Image #1 | 0 | - | 4.75 | 44,639 |
| Flags of Countries of the World in 1910 | 0 | - | 4.96 | 79,297 |
| Country Shapes Quiz #3 | 0 | - | 4.90 | 296,809 |
| Country Shapes Quiz #4 | 0 | - | 4.94 | 226,393 |
| Country Shapes Quiz #5 | 0 | - | 4.93 | 164,872 |
| Recognize Countries by Tripoint Maps #1 | 0 | - | 4.99 | 39,291 |
| Recognize Countries by Tripoint Maps #2 | 0 | - | 4.98 | 33,412 |
| Country Shapes in the World Map #3 | 0 | - | 4.99 | 104,916 |
| Country Shapes in the World Map #2 | 0 | - | 4.99 | 111,929 |
| Country Shapes in the World Map #1 | 0 | - | 4.99 | 122,587 |
| Country Shapes in the World Map #4 | 0 | - | 4.98 | 108,720 |
| Country Shapes in the World Map #6 | 0 | - | 4.98 | 80,983 |
| Country Shapes in the World Map #7 | 0 | - | 4.99 | 58,494 |
| Country Shapes in the World Map #5 | 0 | - | 4.98 | 86,201 |
| Cartoon Versions of Countries | 0 | - | 4.99 | 95,599 |
| Country Shapes Under the Sea | 0 | - | 5.00 | 78,108 |
| A Square of Merged Countries #1 | 0 | - | 4.89 | 59,920 |
| Countries by Picture #1 | 0 | - | 4.52 | 119,109 |
| Countries by Picture #3 | 0 | - | 4.51 | 60,991 |
| Guess the Country by a Picture Hint | 0 | - | 4.43 | 48,128 |
| World Map with Random Merged Countries | 0 | - | 4.99 | 1,726,219 |
| Top 50 Countries by Population - In Order | 0 | - | 4.98 | 333,262 |
| Spanish-Speaking Countries | 0 | - | 4.95 | 376,108 |
| Countries with the Most Tourists Quiz | 0 | - | 4.92 | 408,565 |
| Island Countries | 0 | - | 4.99 | 711,773 |
| Sahara Desert Countries | 0 | - | 4.98 | 165,356 |
| Himalayan Countries | 0 | - | 4.94 | 139,532 |
| Andean Countries | 0 | - | 4.94 | 85,064 |
| Countries with the Youngest Median Age | 0 | - | 4.97 | 64,247 |
| Countries in the Southern Hemisphere | 0 | - | 4.99 | 126,458 |
| Coffee Producing Countries | 0 | - | 4.83 | 67,806 |
| Countries with Shrinking Populations | 0 | - | 4.94 | 66,119 |
| Danube Countries | 0 | - | 4.97 | 72,210 |
| Countries With an "Ish" Demonym | 0 | - | 4.98 | 117,308 |
| Countries With an "Ese" Demonym | 0 | - | 4.97 | 86,624 |
| Countries with the Worst Passports | 0 | - | 4.93 | 84,713 |
| Countries with the Most Immigrants | 0 | - | 4.90 | 150,218 |
| European Landlocked Countries | 0 | - | 4.99 | 147,380 |
| Partially Recognized Countries | 0 | - | 4.98 | 106,984 |
| Countries with the Most Species | 0 | - | 4.99 | 103,424 |
| Countries 197 to 205 | 0 | - | 4.90 | 71,114 |
| Tropic of Cancer Countries | 0 | - | 4.97 | 53,681 |
| Tropic of Capricorn Countries | 0 | - | 4.96 | 47,793 |
| Countries that Use the Peso | 0 | - | 4.89 | 59,699 |
| Countries with the Largest Exclusive Economic Zone | 0 | - | 4.90 | 73,439 |
| Countries with a AAA Credit Rating | 0 | - | 4.86 | 57,852 |
| Countries in the Alps | 0 | - | 4.87 | 118,496 |
| Top Five Importing Partners by Country | 0 | - | 4.97 | 102,081 |
| Countries, Capitals, Currencies and Official Languages | 0 | - | 5.00 | 107,457 |
| Biggest Import Partners By Country | 0 | - | 4.99 | 78,814 |
| Southernmost Countries by Continent | 0 | - | 4.98 | 96,815 |
| Northernmost Countries by Continent | 0 | - | 4.98 | 116,749 |
| Countries by Population Growth, 1970–Present | 0 | - | 4.92 | 96,098 |
| Five Biggest Countries by Latitude | 0 | - | 4.97 | 100,923 |
| Five Biggest Countries by Longitude | 0 | - | 4.91 | 53,674 |
| Largest Country by Body of Water | 0 | - | 4.96 | 58,299 |
| Countries with the Most Container Port Traffic | 0 | - | 4.92 | 63,018 |
| Bridge and Tunnel Borders | 0 | - | 4.96 | 53,762 |
| Countries with the Longest Road Networks Quiz | 0 | - | 4.90 | 41,632 |
| Countries that Touch the Prime Meridian or Equator | 0 | - | 4.88 | 104,390 |
| Arctic Ocean Countries | 0 | - | 4.95 | 79,639 |
| Countries with the Most Grassland | 0 | - | 4.94 | 77,722 |
| All Countries by Area : Four at a Time | 0 | - | 5.00 | 119,381 |
| Countries with the Most Climate Zones | 0 | - | 4.96 | 68,476 |
| Countries that Host the Most Refugees | 0 | - | 4.97 | 65,242 |
| Countries of the World by Similar Area in 90 Seconds | 0 | - | 4.95 | 46,364 |
| All Countries of the World by Area with Hints | 0 | - | 4.97 | 244,924 |
| World Countries - Blind Typing | 0 | - | 5.00 | 108,660 |
| Countries in Their Own Alphabet | 0 | - | 4.95 | 48,381 |
| Largest Countries By Category | 0 | - | 4.97 | 158,549 |
| Countries by Countries | 0 | - | 4.96 | 63,443 |
| Countries of the World with an Empty Map | 0 | - | 5.00 | 3,388,555 |
| Country Flags with the Most White | 0 | - | 4.85 | 139,012 |
| Countries With the Northernmost Southernmost Point | 0 | - | 4.96 | 62,348 |
| Countries with the Southernmost Northernmost Point | 0 | - | 4.87 | 47,623 |
| All Countries by Population With a Map | 0 | - | 4.99 | 110,289 |
| Six Degrees of Separation - Countries #1 | 0 | - | 4.96 | 99,210 |
| Country Flags With Only Two Colors | 0 | - | 4.91 | 88,908 |
| Biggest Countries by Area | 0 | - | 5.00 | 1,052,473 |
| Northernmost Countries | 0 | - | 4.99 | 363,085 |
| Countries of South America | 0 | - | 5.00 | 929,995 |
| Countries of Oceania | 0 | - | 5.00 | 1,060,294 |
| Countries of Asia Quiz | 0 | - | 5.00 | 1,883,424 |
| "Land" Countries | 0 | - | 4.98 | 337,890 |
| All Country Flags of the World | 0 | - | 5.00 | 3,697,249 |
| Countries Connected in the World Map #2 | 0 | - | 4.97 | 80,995 |
| Countries Connected in the World Map #1 | 0 | - | 4.97 | 77,667 |
| Countries Connected in the World Map #3 | 0 | - | 4.97 | 76,914 |
| Countries in a Ring of the World Map | 0 | - | 4.99 | 155,348 |
| Countries in a Strip of the World Map | 0 | - | 4.99 | 73,985 |
| Countries in a Stewart of the World Map | 0 | - | 4.99 | 55,439 |
| World Map Without 20 Random Countries | 0 | - | 4.99 | 8,371,547 |
| Flags of the Mediterranean | 0 | - | 4.94 | 149,073 |
| Biggest Countries by Population | 0 | - | 5.00 | 1,451,276 |
| Smallest Countries by Population and Area | 0 | - | 4.99 | 381,719 |
| Countries More Populous Than Their Neighbors | 0 | - | 4.99 | 174,448 |
| Countries with Megacities | 0 | - | 4.99 | 265,887 |
| Countries With More than 50 Million People | 0 | - | 4.99 | 200,241 |
| Countries with the Most Population Growth by Decade | 0 | - | 4.98 | 113,755 |
| Countries With More than 200 Million People | 0 | - | 4.95 | 138,501 |
| Countries Less Populous Than Their Neighbors | 0 | - | 4.96 | 81,854 |
| Countries by Official Language | 0 | - | 4.95 | 195,646 |
| Countries with the Most Speakers of These Languages | 0 | - | 4.91 | 297,103 |
| Countries in their Native Language | 0 | - | 4.99 | 199,424 |
| Independence from Whom | 0 | - | 4.99 | 212,572 |
| Subdivisions by Country | 0 | - | 4.87 | 50,534 |
| Who Controlled These Colonies? | 0 | - | 4.88 | 133,075 |
| Megadiverse Countries | 0 | - | 4.96 | 135,156 |
| Countries With the Most English Speakers | 0 | - | 4.86 | 132,445 |
| Countries Producing the Most Sugarcane | 0 | - | 4.95 | 55,463 |
| Countries with Multiple Big Islands | 0 | - | 4.92 | 126,344 |
| Top 10 Wheat-Producing Countries | 0 | - | 4.89 | 75,163 |
| 15 Biggest Island Countries | 0 | - | 4.98 | 163,375 |
| Most Recently-Settled Countries | 0 | - | 4.94 | 62,700 |
| Countries of the World in 1938 Quiz | 0 | - | 4.95 | 94,743 |
| Countries Bigger Than Their Neighbors | 0 | - | 4.93 | 154,471 |
| Countries with Multiple Populous Islands | 0 | - | 4.89 | 95,748 |
| Countries in Relation to Cities #1 | 0 | - | 4.92 | 45,207 |
| Countries with Four Letters - Shape Quiz | 0 | - | 4.97 | 101,799 |
| Countries by Sports League Revenue | 0 | - | 4.95 | 78,095 |
| Landmarks of Countries #1 | 0 | - | 4.88 | 108,260 |
| Countries Furthest from the United States | 0 | - | 4.94 | 89,332 |
| Countries with the Highest HDI | 0 | - | 4.95 | 137,062 |
| Straight Shot to the Arctic Circle | 0 | - | 4.88 | 75,477 |
| Most Dispersed Island Nations | 0 | - | 4.97 | 71,603 |
| Countries of the World in Alphabetical Order | 0 | - | 5.00 | 111,842 |
| World Map Quiz | 0 | - | 4.81 | 65,381 |
| Recognized, Non-Recognized Countries, and Territories of the World | 0 | - | 5.00 | 158,280 |
| Countries in an Empty Ring of the World Map | 0 | - | 4.92 | 127,073 |
| Smallest Countries with at Least One Border | 0 | - | 4.88 | 107,532 |
| Countries within the Arctic Circle - Map Quiz | 0 | - | 4.84 | 64,382 |
| Countries by Founding Story | 0 | - | 4.95 | 77,537 |
| Country Picture Puzzle Game #1 | 0 | - | 4.86 | 86,764 |
| One Border Countries - Shape Quiz | 0 | - | 4.84 | 65,094 |
| Merged Country Shapes Quiz #1 | 0 | - | 4.93 | 59,586 |
| Merged Country Shapes Quiz #2 | 0 | - | 4.92 | 60,387 |
| Merged Country Shapes Quiz #3 | 0 | - | 4.87 | 42,211 |
| Country Flag-Shape Picture Quiz #1 | 0 | - | 4.94 | 95,236 |
