| Countries by Partial Flag Images #1 | 0 | - | 4.96 | 146,419 |
| Countries by Partial Flag Images #3 | 0 | - | 4.98 | 117,406 |
| Flags with the Most Stars | 0 | - | 4.91 | 137,981 |
| Country Flags with the Southern Cross | 0 | - | 4.81 | 63,234 |
| Flags that are Red & White Only | 0 | - | 4.97 | 165,668 |
| Country Flags that are Red, White, and Blue Only | 0 | - | 4.92 | 147,387 |
| Flags of the Countries with Four Letters | 0 | - | 4.94 | 77,731 |
| Four Countries with Similar Flags #2 | 0 | - | 4.92 | 48,455 |
| Four Countries with Similar Flags #1 | 0 | - | 4.97 | 69,388 |
| Country Flags with the Most Red | 0 | - | 4.98 | 121,402 |
| Country Flags with the Most Blue | 0 | - | 4.89 | 93,326 |
| Country Flags with the Most Orange | 0 | - | 4.96 | 100,177 |
| Country Flags with the Most Yellow | 0 | - | 4.95 | 99,772 |
| Country Flags with the Most Black | 0 | - | 4.95 | 98,194 |
| Country Flags with the Most Stripes - Picture Quiz | 0 | - | 4.95 | 68,122 |
| Country Flags with the Most Colours A-Z | 0 | - | 4.95 | 50,511 |
| Countries by Partial Flag Images #2 | 0 | - | 4.97 | 100,102 |
| Countries by Partial Flag Images #4 | 0 | - | 4.91 | 81,444 |
| Countries by Partial Flag Images #5 | 0 | - | 4.98 | 66,694 |
| Countries by Partial Flag Images #6 | 0 | - | 4.89 | 45,772 |
| Countries by Partial Flag Images #7 | 0 | - | 4.88 | 32,736 |
| Countries With Blue and White Flags | 0 | - | 4.90 | 98,802 |
| Country Flags that are White, Red and Green Only | 0 | - | 4.86 | 36,255 |
| Country Flags With Blue Removed | 0 | - | 4.89 | 45,033 |
| Flags of Countries With More Than 100 Million People | 0 | - | 4.98 | 160,010 |
| Flags of Countries of the World in 1910 | 0 | - | 4.96 | 79,521 |
| Country Flags with Five Stars - Picture Quiz | 0 | - | 4.94 | 31,238 |
| 20 Random Country Flags | 0 | - | 4.99 | 619,325 |
| Countries by Bordering Flags #1 | 0 | - | 4.90 | 113,297 |
| Countries by Bordering Flags #2 | 0 | - | 4.86 | 83,625 |
| Flags of Europe Quiz | 0 | - | 4.99 | 1,258,920 |
| Flags of Asia Quiz | 0 | - | 4.99 | 620,741 |
| World Map without 12 Countries | 0 | - | 4.97 | 346,210 |
| Country Shapes Quiz #1 | 0 | - | 4.93 | 909,866 |
| Country Shapes Quiz #2 | 0 | - | 4.97 | 418,611 |
| Every Country Shape | 0 | - | 5.00 | 471,495 |
| Flags of Africa Quiz | 0 | - | 5.00 | 478,000 |
| Flags of North and South America | 0 | - | 4.99 | 377,290 |
| Former Flags | 0 | - | 4.97 | 108,643 |
| Countries by Road Signs | 0 | - | 4.98 | 54,377 |
| Flags to Capitals #1 | 0 | - | 4.96 | 58,946 |
| Flags to Capitals #2 | 0 | - | 4.95 | 44,799 |
| World Map without 12 Countries #2 | 0 | - | 4.98 | 174,747 |
| World Map without 12 Countries #3 | 0 | - | 4.98 | 139,470 |
| Category Elimination - Country Flags #1 | 0 | - | 4.96 | 143,625 |
| Country Shapes Quiz #3 | 0 | - | 4.90 | 297,504 |
| Country Shapes Quiz #4 | 0 | - | 4.94 | 226,884 |
| Country Shapes Quiz #5 | 0 | - | 4.93 | 165,280 |
| Recognize Countries by Tripoint Maps #1 | 0 | - | 4.99 | 40,050 |
| Recognize Countries by Tripoint Maps #2 | 0 | - | 4.98 | 34,350 |
| Country Shapes in the World Map #3 | 0 | - | 4.99 | 105,175 |
| Country Shapes in the World Map #2 | 0 | - | 4.99 | 112,159 |
| Country Shapes in the World Map #1 | 0 | - | 4.99 | 123,008 |
| Country Shapes in the World Map #4 | 0 | - | 4.98 | 108,961 |
| Country Shapes in the World Map #6 | 0 | - | 4.98 | 81,153 |
| Country Shapes in the World Map #7 | 0 | - | 4.99 | 58,665 |
| Country Shapes in the World Map #5 | 0 | - | 4.98 | 86,403 |
| Cartoon Versions of Countries | 0 | - | 4.99 | 95,802 |
| A Square of Merged Countries #1 | 0 | - | 4.89 | 60,109 |
| Five Most Guessed Country Flags by Continent | 0 | - | 4.98 | 54,891 |
| Flags of Oceania | 0 | - | 5.00 | 262,911 |
| Three Band Flags of Europe | 0 | - | 4.98 | 194,649 |
| Similar Flags #1 | 0 | - | 4.75 | 130,831 |
| Similar Flags #2 | 0 | - | 4.74 | 138,106 |
| Countries of the World Quiz | 0 | - | 5.00 | 47,905,454 |
| Countries Connected in the World Map #2 | 0 | - | 4.97 | 81,238 |
| Countries Connected in the World Map #1 | 0 | - | 4.97 | 77,901 |
| Countries Connected in the World Map #3 | 0 | - | 4.97 | 77,145 |
| Countries in a Ring of the World Map | 0 | - | 4.99 | 155,590 |
| Countries in a Strip of the World Map | 0 | - | 4.99 | 74,175 |
| Countries in a Stewart of the World Map | 0 | - | 4.99 | 55,569 |
| Flags of the Countries that Start with C | 0 | - | 4.89 | 130,707 |
| Flags of the Countries that Start with I | 0 | - | 4.94 | 154,656 |
| Flags of the Countries that Start with B | 0 | - | 4.97 | 43,601 |
| Flags of the Countries that Start with A | 0 | - | 4.94 | 127,927 |
| Flags of the Mediterranean | 0 | - | 4.94 | 149,408 |
| World Map Without 20 Random Countries | 0 | - | 4.99 | 8,399,210 |
| Landlocked Countries | 0 | - | 4.99 | 426,250 |
| Countries with Four Letters - Shape Quiz | 0 | - | 4.97 | 101,979 |
| Countries in an Empty Ring of the World Map | 0 | - | 4.92 | 127,310 |
| Country Picture Puzzle Game #1 | 0 | - | 4.86 | 86,897 |
| One Border Countries - Shape Quiz | 0 | - | 4.84 | 65,237 |
| Merged Country Shapes Quiz #1 | 0 | - | 4.93 | 59,696 |
| Merged Country Shapes Quiz #2 | 0 | - | 4.92 | 60,504 |
| Merged Country Shapes Quiz #3 | 0 | - | 4.87 | 42,315 |
| Merged Countries #2 | 0 | - | 4.96 | 99,899 |
| Merged Countries #4 | 0 | - | 4.81 | 94,142 |
| Merged Countries #6 | 0 | - | 4.90 | 73,832 |
| Merged Countries #7 | 0 | - | 4.93 | 83,170 |
| Countries by Satellite Image #1 | 0 | - | 4.89 | 146,899 |
| Countries by Satellite Image #5 | 0 | - | 4.90 | 83,202 |
| Countries by Partial Satellite Image #3 | 0 | - | 4.83 | 49,280 |
| Pixelated World Map | 0 | - | 5.00 | 144,136 |
| Countries by Coat of Arms #1 | 0 | - | 4.92 | 73,074 |
| Countries by Coat of Arms #2 | 0 | - | 4.81 | 41,652 |
| World Coats of Arms | 0 | - | 4.99 | 65,197 |
| Countries of Europe Quiz | 0 | - | 5.00 | 3,806,647 |
| Sahara Desert Countries | 0 | - | 4.98 | 166,434 |
| Himalayan Countries | 0 | - | 4.93 | 140,394 |
| Andean Countries | 0 | - | 4.94 | 85,551 |
| Countries with the Youngest Median Age | 0 | - | 4.97 | 64,700 |
| Countries in the Southern Hemisphere | 0 | - | 4.99 | 127,137 |
| Coffee Producing Countries | 0 | - | 4.83 | 68,267 |
| Countries with Shrinking Populations | 0 | - | 4.94 | 66,503 |
| Danube Countries | 0 | - | 4.97 | 72,439 |
| Countries With an "Ish" Demonym | 0 | - | 4.97 | 117,653 |
| Countries With an "Ese" Demonym | 0 | - | 4.97 | 86,876 |
| Countries with the Worst Passports | 0 | - | 4.93 | 85,216 |
| Countries with the Most Immigrants | 0 | - | 4.90 | 150,688 |
| European Landlocked Countries | 0 | - | 4.99 | 147,641 |
| Partially Recognized Countries | 0 | - | 4.98 | 107,357 |
| Countries with the Most Species | 0 | - | 4.99 | 103,591 |
| Countries 197 to 205 | 0 | - | 4.90 | 71,459 |
| Tropic of Cancer Countries | 0 | - | 4.97 | 53,786 |
| Tropic of Capricorn Countries | 0 | - | 4.96 | 47,899 |
| Countries that Use the Peso | 0 | - | 4.89 | 59,865 |
| Countries with the Largest Exclusive Economic Zone | 0 | - | 4.90 | 73,599 |
| Countries with a AAA Credit Rating | 0 | - | 4.86 | 58,045 |
| Countries in the Alps | 0 | - | 4.87 | 118,828 |
| Top Five Importing Partners by Country | 0 | - | 4.97 | 102,721 |
| Countries, Capitals, Currencies and Official Languages | 0 | - | 5.00 | 107,947 |
| Biggest Import Partners By Country | 0 | - | 4.99 | 78,989 |
| Southernmost Countries by Continent | 0 | - | 4.98 | 97,062 |
| Northernmost Countries by Continent | 0 | - | 4.98 | 116,998 |
| Countries by Population Growth, 1970–Present | 0 | - | 4.92 | 96,291 |
| Five Biggest Countries by Latitude | 0 | - | 4.97 | 101,448 |
| Five Biggest Countries by Longitude | 0 | - | 4.91 | 53,895 |
| Largest Country by Body of Water | 0 | - | 4.96 | 58,449 |
| Countries with the Most Container Port Traffic | 0 | - | 4.92 | 63,214 |
| Bridge and Tunnel Borders | 0 | - | 4.96 | 53,903 |
| Countries with the Longest Road Networks Quiz | 0 | - | 4.91 | 41,762 |
| Countries that Touch the Prime Meridian or Equator | 0 | - | 4.88 | 104,586 |
| Arctic Ocean Countries | 0 | - | 4.95 | 79,826 |
| Countries with the Most Grassland | 0 | - | 4.94 | 77,920 |
| All Countries by Area : Four at a Time | 0 | - | 5.00 | 119,930 |
| Countries with the Most Climate Zones | 0 | - | 4.96 | 68,641 |
| Countries that Host the Most Refugees | 0 | - | 4.96 | 74,790 |
| Countries of the World by Similar Area in 90 Seconds | 0 | - | 4.95 | 46,716 |
| All Countries of the World by Area with Hints | 0 | - | 4.97 | 245,860 |
| World Countries - Blind Typing | 0 | - | 5.00 | 109,237 |
| Countries in Their Own Alphabet | 0 | - | 4.95 | 48,538 |
| Largest Countries By Category | 0 | - | 4.97 | 158,913 |
| Countries by Countries | 0 | - | 4.96 | 63,675 |
| Country Flags with the Most White | 0 | - | 4.85 | 139,302 |
| Countries With the Northernmost Southernmost Point | 0 | - | 4.96 | 62,416 |
| Countries with the Southernmost Northernmost Point | 0 | - | 4.87 | 47,680 |
| Six Degrees of Separation - Countries #1 | 0 | - | 4.96 | 99,456 |
| Country Flags With Only Two Colors | 0 | - | 4.91 | 89,130 |
| Random Countries on the World Map | 0 | - | 5.00 | 1,559,969 |
| Countries in a JetPunk Fish of the World Map | 0 | - | 4.99 | 60,690 |
| Countries in a Blue JetPunk Fish of the World Map | 0 | - | 4.92 | 72,378 |
| Random Country Shape to Country | 0 | - | 4.90 | 115,450 |
| Top 50 Countries by Population - In Order | 0 | - | 4.98 | 335,729 |
| Spanish-Speaking Countries | 0 | - | 4.95 | 376,778 |
| Countries with the Most Tourists Quiz | 0 | - | 4.92 | 409,889 |
| Island Countries | 0 | - | 4.99 | 712,686 |
| Biggest Countries by Area | 0 | - | 5.00 | 1,055,136 |
| Northernmost Countries | 0 | - | 4.99 | 364,188 |
| Countries of South America | 0 | - | 5.00 | 933,153 |
| Countries of Oceania | 0 | - | 5.00 | 1,064,039 |
| Countries of Asia Quiz | 0 | - | 5.00 | 1,890,376 |
| "Land" Countries | 0 | - | 4.98 | 338,480 |
| Countries of the World with an Empty Map | 0 | - | 5.00 | 3,394,739 |
| Countries in Random Rings of the World Map | 0 | - | 4.99 | 87,737 |
| Random Countries on the Borderless World Map | 0 | - | 4.99 | 185,878 |
| Countries in Squares of the World Map | 0 | - | 5.00 | 185,636 |
| Name a Valid Country Flag | 0 | - | 4.70 | 77,038 |
| Random Sequential Countries on the World Map | 0 | - | 5.00 | 526,419 |
| Countries in Random Squares of the World Map | 0 | - | 4.99 | 339,920 |
| World Map with Random Merged Countries | 0 | - | 4.99 | 1,730,341 |
| Countries More Populous Than Their Neighbors | 0 | - | 4.99 | 175,259 |
| Countries with Megacities | 0 | - | 4.99 | 267,328 |
| Countries With More than 50 Million People | 0 | - | 4.99 | 200,942 |
| Countries with the Most Population Growth by Decade | 0 | - | 4.98 | 114,190 |
| Countries With More than 200 Million People | 0 | - | 4.95 | 139,259 |
| Countries Less Populous Than Their Neighbors | 0 | - | 4.96 | 82,306 |
| Countries by Official Language | 0 | - | 4.95 | 196,065 |
| Countries with the Most Speakers of These Languages | 0 | - | 4.91 | 297,720 |
| Countries in their Native Language | 0 | - | 4.99 | 199,798 |
| Independence from Whom | 0 | - | 4.99 | 213,162 |
| Subdivisions by Country | 0 | - | 4.87 | 50,634 |
| Who Controlled These Colonies? | 0 | - | 4.88 | 133,518 |
| Megadiverse Countries | 0 | - | 4.96 | 135,984 |
| Countries With the Most English Speakers | 0 | - | 4.86 | 132,995 |
| Countries Producing the Most Sugarcane | 0 | - | 4.94 | 55,550 |
| Countries with Multiple Big Islands | 0 | - | 4.93 | 126,728 |
| Top 10 Wheat-Producing Countries | 0 | - | 4.89 | 75,233 |
| 15 Biggest Island Countries | 0 | - | 4.98 | 164,323 |
| Most Recently-Settled Countries | 0 | - | 4.94 | 62,873 |
| Countries of the World in 1938 Quiz | 0 | - | 4.95 | 95,151 |
| Countries Bigger Than Their Neighbors | 0 | - | 4.93 | 154,580 |
| Countries with Multiple Populous Islands | 0 | - | 4.89 | 96,100 |
| Countries in Relation to Cities #1 | 0 | - | 4.92 | 45,266 |
| Countries by Sports League Revenue | 0 | - | 4.94 | 78,605 |
| Landmarks of Countries #1 | 0 | - | 4.89 | 108,398 |
| Countries Furthest from the United States | 0 | - | 4.94 | 89,456 |
| Countries with the Highest HDI | 0 | - | 4.95 | 137,163 |
| Straight Shot to the Arctic Circle | 0 | - | 4.88 | 75,597 |
| Most Dispersed Island Nations | 0 | - | 4.97 | 71,899 |
| Countries of the World in Alphabetical Order | 0 | - | 5.00 | 112,442 |