| Countries by Satellite Image #1 | 0 | - | 4.89 | 147,045 |
| Countries by Satellite Image #5 | 0 | - | 4.90 | 83,263 |
| Countries by Partial Satellite Image #3 | 0 | - | 4.83 | 49,329 |
| Countries by Partial Flag Images #1 | 0 | - | 4.96 | 146,599 |
| Countries by Partial Flag Images #3 | 0 | - | 4.98 | 117,588 |
| Flags with the Most Stars | 0 | - | 4.91 | 138,187 |
| Country Flags with the Southern Cross | 0 | - | 4.81 | 63,333 |
| Flags that are Red & White Only | 0 | - | 4.97 | 165,796 |
| Country Flags that are Red, White, and Blue Only | 0 | - | 4.92 | 147,564 |
| Flags of the Countries with Four Letters | 0 | - | 4.94 | 77,885 |
| Four Countries with Similar Flags #2 | 0 | - | 4.92 | 48,555 |
| Four Countries with Similar Flags #1 | 0 | - | 4.97 | 69,483 |
| Country Flags with the Most Red | 0 | - | 4.98 | 121,523 |
| Country Flags with the Most Blue | 0 | - | 4.89 | 93,423 |
| Country Flags with the Most Green | 0 | - | 4.96 | 100,472 |
| Country Flags with the Most Orange | 0 | - | 4.96 | 100,272 |
| Country Flags with the Most Yellow | 0 | - | 4.95 | 99,862 |
| Country Flags with the Most Black | 0 | - | 4.95 | 98,277 |
| Country Flags with the Most Stripes - Picture Quiz | 0 | - | 4.95 | 68,185 |
| Country Flags with the Most Colours A-Z | 0 | - | 4.95 | 50,544 |
| Countries by Partial Flag Images #2 | 0 | - | 4.97 | 100,175 |
| Countries by Partial Flag Images #4 | 0 | - | 4.91 | 81,527 |
| Countries by Partial Flag Images #5 | 0 | - | 4.98 | 66,780 |
| Countries by Partial Flag Images #6 | 0 | - | 4.89 | 45,866 |
| Countries by Partial Flag Images #7 | 0 | - | 4.89 | 32,838 |
| Countries by Coat of Arms #1 | 0 | - | 4.92 | 73,126 |
| Countries by Coat of Arms #2 | 0 | - | 4.81 | 41,681 |
| World Coats of Arms | 0 | - | 4.99 | 65,313 |
| Countries With Blue and White Flags | 0 | - | 4.90 | 98,844 |
| Country Flags that are White, Red and Green Only | 0 | - | 4.86 | 36,298 |
| Country Flags With Blue Removed | 0 | - | 4.89 | 45,092 |
| Countries by Road Signs | 0 | - | 4.98 | 54,439 |
| Country Flags with Five Stars - Picture Quiz | 0 | - | 4.94 | 31,274 |
| Countries by Satellite Image #3 | 0 | - | 4.63 | 71,830 |
| Countries by Satellite Image #2 | 0 | - | 4.80 | 70,545 |
| Countries by Satellite Image #4 | 0 | - | 4.63 | 67,586 |
| Countries by Partial Satellite Image #2 | 0 | - | 4.51 | 47,181 |
| Countries by Partial Satellite Image #1 | 0 | - | 4.75 | 44,754 |
| 20 Random Country Flags | 0 | - | 4.99 | 620,202 |
| Countries by Bordering Flags #1 | 0 | - | 4.90 | 113,385 |
| Countries by Bordering Flags #2 | 0 | - | 4.86 | 83,673 |
| Countries of the World Quiz | 0 | - | 5.00 | 47,961,301 |
| Merged Countries #2 | 0 | - | 4.96 | 99,959 |
| Merged Countries #4 | 0 | - | 4.81 | 94,183 |
| Merged Countries #6 | 0 | - | 4.90 | 73,890 |
| Merged Countries #7 | 0 | - | 4.93 | 83,232 |
| Landlocked Countries | 0 | - | 4.99 | 427,157 |
| World Map without 12 Countries | 0 | - | 4.97 | 346,419 |
| Country Shapes Quiz #1 | 0 | - | 4.93 | 910,186 |
| Country Shapes Quiz #2 | 0 | - | 4.97 | 418,799 |
| Every Country Shape | 0 | - | 5.00 | 472,360 |
| Flags of North and South America | 0 | - | 4.99 | 377,977 |
| Pixelated World Map | 0 | - | 5.00 | 144,252 |
| Category Elimination - Country Flags #1 | 0 | - | 4.96 | 143,748 |
| Countries of Europe Quiz | 0 | - | 5.00 | 3,811,722 |
| Five Most Guessed Country Flags by Continent | 0 | - | 4.98 | 54,975 |
| Former Flags | 0 | - | 4.97 | 108,799 |
| Flags of Countries With More Than 100 Million People | 0 | - | 4.98 | 160,096 |
| Sahara Desert Countries | 0 | - | 4.98 | 166,874 |
| Himalayan Countries | 0 | - | 4.93 | 140,786 |
| Andean Countries | 0 | - | 4.94 | 85,776 |
| Countries with the Youngest Median Age | 0 | - | 4.97 | 64,902 |
| Countries in the Southern Hemisphere | 0 | - | 4.99 | 127,465 |
| Coffee Producing Countries | 0 | - | 4.83 | 68,452 |
| Countries with Shrinking Populations | 0 | - | 4.94 | 66,676 |
| Danube Countries | 0 | - | 4.97 | 72,533 |
| Countries With an "Ish" Demonym | 0 | - | 4.97 | 117,787 |
| Countries With an "Ese" Demonym | 0 | - | 4.97 | 86,969 |
| Countries with the Worst Passports | 0 | - | 4.93 | 85,421 |
| Countries with the Most Immigrants | 0 | - | 4.90 | 150,893 |
| European Landlocked Countries | 0 | - | 4.99 | 147,729 |
| Partially Recognized Countries | 0 | - | 4.98 | 107,521 |
| Countries with the Most Species | 0 | - | 4.99 | 103,639 |
| Countries 197 to 205 | 0 | - | 4.90 | 71,626 |
| Tropic of Cancer Countries | 0 | - | 4.97 | 53,812 |
| Tropic of Capricorn Countries | 0 | - | 4.96 | 47,950 |
| Countries that Use the Peso | 0 | - | 4.89 | 59,917 |
| Countries with the Largest Exclusive Economic Zone | 0 | - | 4.90 | 73,670 |
| Countries with a AAA Credit Rating | 0 | - | 4.86 | 58,121 |
| Countries in the Alps | 0 | - | 4.87 | 118,954 |
| Top Five Importing Partners by Country | 0 | - | 4.97 | 102,962 |
| Countries, Capitals, Currencies and Official Languages | 0 | - | 5.00 | 108,107 |
| Biggest Import Partners By Country | 0 | - | 4.99 | 79,050 |
| Southernmost Countries by Continent | 0 | - | 4.98 | 97,160 |
| Northernmost Countries by Continent | 0 | - | 4.98 | 117,117 |
| Countries by Population Growth, 1970–Present | 0 | - | 4.92 | 96,381 |
| World Map without 12 Countries #2 | 0 | - | 4.98 | 174,916 |
| World Map without 12 Countries #3 | 0 | - | 4.98 | 139,637 |
| Five Biggest Countries by Latitude | 0 | - | 4.97 | 101,577 |
| Five Biggest Countries by Longitude | 0 | - | 4.91 | 53,983 |
| Largest Country by Body of Water | 0 | - | 4.96 | 58,507 |
| Countries with the Most Container Port Traffic | 0 | - | 4.92 | 63,306 |
| Bridge and Tunnel Borders | 0 | - | 4.96 | 53,949 |
| Countries with the Longest Road Networks Quiz | 0 | - | 4.91 | 41,825 |
| Countries that Touch the Prime Meridian or Equator | 0 | - | 4.88 | 104,664 |
| Arctic Ocean Countries | 0 | - | 4.95 | 79,914 |
| Countries with the Most Grassland | 0 | - | 4.94 | 78,014 |
| All Countries by Area : Four at a Time | 0 | - | 5.00 | 120,128 |
| Countries with the Most Climate Zones | 0 | - | 4.96 | 68,724 |
| Similar Flags #1 | 0 | - | 4.75 | 130,935 |
| Similar Flags #2 | 0 | - | 4.74 | 138,213 |
| Countries that Host the Most Refugees | 0 | - | 4.96 | 76,380 |
| Countries of the World by Similar Area in 90 Seconds | 0 | - | 4.95 | 46,828 |
| All Countries of the World by Area with Hints | 0 | - | 4.97 | 246,253 |
| World Countries - Blind Typing | 0 | - | 5.00 | 109,469 |
| Countries in Their Own Alphabet | 0 | - | 4.95 | 48,607 |
| Largest Countries By Category | 0 | - | 4.97 | 159,072 |
| Countries by Countries | 0 | - | 4.97 | 63,795 |
| Flags of Countries of the World in 1910 | 0 | - | 4.96 | 79,589 |
| Country Flags with the Most White | 0 | - | 4.85 | 139,421 |
| Countries With the Northernmost Southernmost Point | 0 | - | 4.96 | 62,443 |
| Countries with the Southernmost Northernmost Point | 0 | - | 4.87 | 47,704 |
| Six Degrees of Separation - Countries #1 | 0 | - | 4.96 | 99,542 |
| Country Flags With Only Two Colors | 0 | - | 4.91 | 89,215 |
| Country Shapes Quiz #3 | 0 | - | 4.90 | 297,653 |
| Country Shapes Quiz #4 | 0 | - | 4.94 | 227,032 |
| Country Shapes Quiz #5 | 0 | - | 4.93 | 165,396 |
| Recognize Countries by Tripoint Maps #1 | 0 | - | 4.99 | 40,300 |
| Recognize Countries by Tripoint Maps #2 | 0 | - | 4.98 | 34,660 |
| Country Shapes in the World Map #3 | 0 | - | 4.99 | 105,250 |
| Country Shapes in the World Map #2 | 0 | - | 4.99 | 112,224 |
| Country Shapes in the World Map #1 | 0 | - | 4.99 | 123,088 |
| Country Shapes in the World Map #4 | 0 | - | 4.98 | 109,021 |
| Country Shapes in the World Map #6 | 0 | - | 4.98 | 81,201 |
| Country Shapes in the World Map #7 | 0 | - | 4.99 | 58,724 |
| Country Shapes in the World Map #5 | 0 | - | 4.98 | 86,446 |
| Cartoon Versions of Countries | 0 | - | 4.99 | 95,877 |
| Countries by Picture #1 | 0 | - | 4.52 | 119,534 |
| Countries by Picture #3 | 0 | - | 4.51 | 61,113 |
| Guess the Country by a Picture Hint | 0 | - | 4.43 | 48,254 |
| Top 50 Countries by Population - In Order | 0 | - | 4.98 | 336,517 |
| Spanish-Speaking Countries | 0 | - | 4.95 | 377,019 |
| Countries with the Most Tourists Quiz | 0 | - | 4.92 | 410,298 |
| Island Countries | 0 | - | 4.99 | 712,974 |
| Countries of the World with an Empty Map | 0 | - | 5.00 | 3,396,797 |
| Biggest Countries by Area | 0 | - | 5.00 | 1,056,049 |
| Northernmost Countries | 0 | - | 4.99 | 364,555 |
| Countries of South America | 0 | - | 5.00 | 934,117 |
| Countries of Oceania | 0 | - | 5.00 | 1,065,327 |
| Countries of Asia Quiz | 0 | - | 5.00 | 1,892,712 |
| "Land" Countries | 0 | - | 4.98 | 338,957 |
| World Map with Random Merged Countries | 0 | - | 4.99 | 1,731,821 |
| All Country Flags of the World | 0 | - | 5.00 | 3,723,648 |
| Countries Connected in the World Map #2 | 0 | - | 4.97 | 81,344 |
| Countries Connected in the World Map #1 | 0 | - | 4.97 | 78,008 |
| Countries Connected in the World Map #3 | 0 | - | 4.97 | 77,244 |
| Countries in a Ring of the World Map | 0 | - | 4.99 | 155,696 |
| Countries in a Strip of the World Map | 0 | - | 4.99 | 74,258 |
| Countries in a Stewart of the World Map | 0 | - | 4.99 | 55,624 |
| World Map Without 20 Random Countries | 0 | - | 4.99 | 8,412,386 |
| Flags of the Mediterranean | 0 | - | 4.94 | 149,519 |
| Satellite Images - Europe | 0 | - | 4.47 | 105,301 |
| Biggest Countries by Population | 0 | - | 5.00 | 1,455,895 |
| Smallest Countries by Population and Area | 0 | - | 4.99 | 382,938 |
| Countries More Populous Than Their Neighbors | 0 | - | 4.99 | 175,471 |
| Countries with Megacities | 0 | - | 4.99 | 267,788 |
| Countries With More than 50 Million People | 0 | - | 4.99 | 201,122 |
| Countries with the Most Population Growth by Decade | 0 | - | 4.98 | 114,326 |
| Countries With More than 200 Million People | 0 | - | 4.95 | 139,455 |
| Countries Less Populous Than Their Neighbors | 0 | - | 4.96 | 82,422 |
| Cities by Satellite #1 | 0 | - | 4.37 | 82,622 |
| Cities by Satellite #2 | 0 | - | 4.49 | 25,462 |
| Countries by Official Language | 0 | - | 4.95 | 196,196 |
| Countries with the Most Speakers of These Languages | 0 | - | 4.91 | 297,913 |
| Countries in their Native Language | 0 | - | 4.99 | 199,944 |
| Independence from Whom | 0 | - | 4.99 | 213,382 |
| Subdivisions by Country | 0 | - | 4.87 | 50,663 |
| Who Controlled These Colonies? | 0 | - | 4.88 | 133,641 |
| Megadiverse Countries | 0 | - | 4.96 | 148,809 |
| Countries With the Most English Speakers | 0 | - | 4.86 | 133,123 |
| Countries Producing the Most Sugarcane | 0 | - | 4.94 | 55,573 |
| Countries with Multiple Big Islands | 0 | - | 4.93 | 126,799 |
| Top 10 Wheat-Producing Countries | 0 | - | 4.89 | 75,257 |
| 15 Biggest Island Countries | 0 | - | 4.98 | 164,452 |
| Most Recently-Settled Countries | 0 | - | 4.94 | 62,917 |
| Countries of the World in 1938 Quiz | 0 | - | 4.95 | 95,269 |
| Countries Bigger Than Their Neighbors | 0 | - | 4.93 | 154,620 |
| Countries with Multiple Populous Islands | 0 | - | 4.89 | 96,159 |
| Countries in Relation to Cities #1 | 0 | - | 4.92 | 45,284 |
| Countries by Sports League Revenue | 0 | - | 4.95 | 78,743 |
| Landmarks of Countries #1 | 0 | - | 4.89 | 108,481 |
| Countries Furthest from the United States | 0 | - | 4.94 | 89,501 |
| Countries with the Highest HDI | 0 | - | 4.95 | 137,215 |
| Straight Shot to the Arctic Circle | 0 | - | 4.88 | 75,633 |
| Most Dispersed Island Nations | 0 | - | 4.97 | 71,959 |
| Countries of the World in Alphabetical Order | 0 | - | 5.00 | 112,704 |
| World Map Quiz | 0 | - | 4.81 | 65,914 |
| Recognized, Non-Recognized Countries, and Territories of the World | 0 | - | 5.00 | 159,843 |
| Smallest Countries with at Least One Border | 0 | - | 4.88 | 107,801 |
| Countries by Founding Story | 0 | - | 4.95 | 77,901 |
| Southernmost Countries of the World | 0 | - | 4.99 | 229,495 |
| Countries by Inland Surface Water | 0 | - | 4.93 | 106,221 |
| Top 20 Motor Vehicle Producing Countries | 0 | - | 4.91 | 123,692 |
| Countries With the Most Languages | 0 | - | 4.90 | 203,900 |
| Countries with the Highest Population Under Age 15 | 0 | - | 4.96 | 111,540 |
| Countries with the Highest Population 65 and Older | 0 | - | 4.90 | 94,653 |
| Countries with the Most Prisoners | 0 | - | 4.94 | 99,844 |
| Countries with the Most Domestic Camels | 0 | - | 4.94 | 61,761 |
| Tallest Countries North to South | 0 | - | 4.85 | 130,930 |
| Widest Countries East to West | 0 | - | 4.92 | 130,838 |