| Countries by Partial Flag Images #1 | 0 | - | 4.97 | 113,936 |
| Countries by Partial Flag Images #3 | 0 | - | 4.99 | 89,561 |
| Flags with the Most Stars | 0 | - | 4.91 | 106,880 |
| Flags that are Red & White Only | 0 | - | 4.97 | 131,511 |
| Country Flags that are Red, White, and Blue Only | 0 | - | 4.93 | 126,723 |
| Flags of the Countries with Four Letters | 0 | - | 4.93 | 36,366 |
| Four Countries with Similar Flags #1 | 0 | - | 4.98 | 43,803 |
| Country Flags with the Most Red | 0 | - | 4.97 | 92,289 |
| Country Flags with the Most Blue | 0 | - | 4.91 | 80,029 |
| Country Flags with the Most Green | 0 | - | 4.96 | 80,635 |
| Country Flags with the Most Orange | 0 | - | 4.96 | 81,993 |
| Country Flags with the Most Yellow | 0 | - | 4.93 | 78,500 |
| Country Flags with the Most Black | 0 | - | 4.94 | 86,748 |
| Country Flags with the Most Stripes - Picture Quiz | 0 | - | 4.94 | 55,749 |
| Country Flags with the Most Colours A-Z | 0 | - | 4.93 | 44,249 |
| Countries by Partial Flag Images #2 | 0 | - | 4.97 | 82,287 |
| Countries by Partial Flag Images #4 | 0 | - | 4.91 | 63,211 |
| Countries by Partial Flag Images #5 | 0 | - | 4.97 | 48,888 |
| Countries With Blue and White Flags | 0 | - | 4.90 | 82,405 |
| Country Flags With Blue Removed | 0 | - | 4.93 | 34,390 |
| Flags of Countries With More Than 100 Million People | 0 | - | 4.97 | 147,028 |
| Flags of Countries of the World in 1910 | 0 | - | 4.95 | 69,599 |
| Countries by Partial Flag Images #6 | 0 | - | 4.90 | 27,825 |
| Country Flags with Five Stars - Picture Quiz | 0 | - | 4.93 | 26,917 |
| Random Flag to Country | 0 | - | 4.99 | 511,079 |
| Countries by Bordering Flags #1 | 0 | - | 4.93 | 94,579 |
| Countries by Bordering Flags #2 | 0 | - | 4.85 | 75,848 |
| Flags of Europe Quiz | 0 | - | 4.99 | 1,055,971 |
| Flags of Asia Quiz | 0 | - | 4.99 | 529,712 |
| World Map without 12 Countries | 0 | - | 4.97 | 317,086 |
| Country Shape Quiz #1 | 0 | - | 4.92 | 841,527 |
| Country Shape Quiz #2 | 0 | - | 4.96 | 378,668 |
| Every Country Shape | 0 | - | 5.00 | 386,402 |
| Flags of Africa Quiz | 0 | - | 4.99 | 391,614 |
| Former Flags | 0 | - | 4.98 | 82,220 |
| Countries by Road Signs | 0 | - | 4.98 | 45,782 |
| Flags to Capitals #1 | 0 | - | 4.97 | 49,629 |
| Flags to Capitals #2 | 0 | - | 4.95 | 37,258 |
| World Map without 12 Countries #2 | 0 | - | 4.98 | 152,769 |
| World Map without 12 Countries #3 | 0 | - | 4.98 | 122,188 |
| Category Elimination - Country Flags #1 | 0 | - | 4.97 | 126,781 |
| Country Shape Quiz #3 | 0 | - | 4.92 | 268,837 |
| Country Shape Quiz #4 | 0 | - | 4.92 | 198,823 |
| Country Shape Quiz #5 | 0 | - | 4.92 | 140,091 |
| Country Shapes in the World Map #3 | 0 | - | 4.99 | 92,051 |
| Country Shapes in the World Map #2 | 0 | - | 4.99 | 100,383 |
| Country Shapes in the World Map #1 | 0 | - | 4.99 | 110,352 |
| Country Shapes in the World Map #4 | 0 | - | 4.98 | 98,271 |
| Country Shapes in the World Map #6 | 0 | - | 4.97 | 72,861 |
| Country Shapes in the World Map #7 | 0 | - | 4.98 | 50,329 |
| Country Shapes in the World Map #5 | 0 | - | 4.97 | 77,082 |
| Cartoon Versions of Countries | 0 | - | 5.00 | 87,237 |
| Five Most Guessed Country Flags by Continent | 0 | - | 4.98 | 41,719 |
| Flags of Oceania | 0 | - | 5.00 | 218,097 |
| Flags of North and South America Quiz | 0 | - | 4.99 | 312,909 |
| Three Band Flags of Europe | 0 | - | 4.97 | 162,369 |
| Country Flags with the Southern Cross | 0 | - | 4.72 | 51,861 |
| Similar Flags #1 | 0 | - | 4.74 | 111,642 |
| Similar Flags #2 | 0 | - | 4.79 | 113,794 |
| Countries of the World Quiz | 0 | - | 5.00 | 41,361,937 |
| Countries Connected in the World Map #2 | 0 | - | 4.97 | 69,663 |
| Countries Connected in the World Map #1 | 0 | - | 4.97 | 66,576 |
| Countries Connected in the World Map #3 | 0 | - | 4.96 | 66,066 |
| Countries in a Ring of the World Map | 0 | - | 4.99 | 142,620 |
| Countries in a Strip of the World Map | 0 | - | 4.99 | 64,926 |
| Countries in a Stewart of the World Map | 0 | - | 4.99 | 48,670 |
| Flags of the Countries that Start with C | 0 | - | 4.91 | 119,466 |
| Flags of the Countries that Start with I | 0 | - | 4.95 | 140,660 |
| Flags of the Countries that Start with A | 0 | - | 4.94 | 107,911 |
| Flags of the Mediterranean | 0 | - | 4.94 | 124,937 |
| World Map Without 20 Random Countries | 0 | - | 4.99 | 7,200,293 |
| Landlocked Countries Quiz | 0 | - | 4.99 | 329,624 |
| Countries with Four Letters - Shape Quiz | 0 | - | 4.96 | 78,497 |
| Countries in an Empty Ring of the World Map | 0 | - | 4.92 | 114,398 |
| Country Picture Puzzle Game #1 | 0 | - | 4.86 | 79,819 |
| One Border Countries - Shape Quiz | 0 | - | 4.86 | 46,501 |
| Merged Country Shapes Quiz #1 | 0 | - | 4.91 | 54,353 |
| Merged Country Shapes Quiz #2 | 0 | - | 4.93 | 55,266 |
| Merged Country Shapes Quiz #3 | 0 | - | 4.83 | 37,209 |
| Merged Countries #2 | 0 | - | 4.96 | 90,236 |
| Merged Countries #4 | 0 | - | 4.87 | 85,087 |
| Merged Countries #6 | 0 | - | 4.90 | 65,749 |
| Merged Countries #7 | 0 | - | 4.94 | 74,929 |
| Flags of Countries in the World Cup 2018 | 0 | - | 4.84 | 87,020 |
| Countries by Satellite Image #1 | 0 | - | 4.88 | 130,585 |
| Countries by Satellite Image #5 | 0 | - | 4.89 | 76,253 |
| Countries by Partial Satellite Image #3 | 0 | - | 4.86 | 44,719 |
| Pixelated World Map | 0 | - | 5.00 | 129,355 |
| Countries by First Two Letters in 90 Seconds | 0 | - | 4.98 | 5,122,973 |
| Countries by Coat of Arms #1 | 0 | - | 4.95 | 58,576 |
| World Coats of Arms | 0 | - | 4.99 | 56,096 |
| Countries of Europe Quiz | 0 | - | 5.00 | 3,192,577 |
| Country Flags that are White, Red and Green Only | 0 | - | 4.76 | 23,687 |
| Members of the Arab League | 0 | - | 4.85 | 64,478 |
| Sahara Desert Countries | 0 | - | 4.97 | 128,820 |
| Himalayan Countries | 0 | - | 4.95 | 106,754 |
| Andean Countries | 0 | - | 4.91 | 59,371 |
| Countries with the Oldest Median Age | 0 | - | 4.84 | 60,427 |
| Countries with the Youngest Median Age | 0 | - | 4.98 | 50,213 |
| Countries in the Southern Hemisphere | 0 | - | 4.99 | 103,582 |
| Coffee Producing Countries | 0 | - | 4.82 | 54,502 |
| Countries with Shrinking Populations | 0 | - | 4.93 | 53,816 |
| Danube Countries | 0 | - | 4.96 | 56,970 |
| Countries With an "Ish" Demonym | 0 | - | 4.97 | 91,989 |
| Countries With an "Ese" Demonym | 0 | - | 4.96 | 65,098 |
| Countries with the Best Passports | 0 | - | 4.87 | 71,995 |
| Countries with the Worst Passports | 0 | - | 4.88 | 49,922 |
| Countries with the Most Immigrants | 0 | - | 4.87 | 110,192 |
| European Landlocked Countries | 0 | - | 4.99 | 136,363 |
| Partially Recognized Countries | 0 | - | 4.98 | 90,331 |
| Countries with the Most Species | 0 | - | 4.99 | 89,692 |
| Countries 197 to 205 | 0 | - | 4.88 | 56,842 |
| Tropic of Cancer Countries | 0 | - | 4.96 | 44,869 |
| Tropic of Capricorn Countries | 0 | - | 4.96 | 44,158 |
| Countries Producing the Most Sugarcane | 0 | - | 4.94 | 48,691 |
| Countries that Use the Peso | 0 | - | 4.82 | 46,654 |
| Countries with the Largest Exclusive Economic Zone | 0 | - | 4.88 | 58,924 |
| Countries with a AAA Credit Rating | 0 | - | 4.87 | 49,529 |
| Countries in the Alps | 0 | - | 4.84 | 103,279 |
| Top Five Importing Partners by Country | 0 | - | 4.98 | 85,904 |
| Countries, Capitals, Currencies and Official Languages | 0 | - | 5.00 | 88,331 |
| Biggest Import Partners By Country | 0 | - | 4.99 | 71,942 |
| Southernmost Countries by Continent | 0 | - | 4.98 | 78,998 |
| Northernmost Countries by Continent | 0 | - | 4.97 | 94,464 |
| Countries by Population Growth, 1970–Present | 0 | - | 4.91 | 87,970 |
| Five Biggest Countries by Latitude | 0 | - | 4.97 | 90,112 |
| Five Biggest Countries by Longitude | 0 | - | 4.91 | 46,481 |
| Biggest Country by Body of Water | 0 | - | 4.96 | 45,517 |
| Countries with the Most Container Port Traffic | 0 | - | 4.92 | 55,066 |
| Top 10 Wheat-Producing Countries | 0 | - | 4.88 | 69,826 |
| Bridge and Tunnel Borders | 0 | - | 4.96 | 48,800 |
| Countries with the Longest Road Networks Quiz | 0 | - | 4.90 | 36,853 |
| Countries that Touch the Prime Meridian or Equator | 0 | - | 4.88 | 96,173 |
| Arctic Ocean Countries | 0 | - | 4.93 | 72,338 |
| Countries with the Most Grassland | 0 | - | 4.94 | 69,905 |
| All Countries by Area : Four at a Time | 0 | - | 5.00 | 99,348 |
| Countries with the Most Climate Zones | 0 | - | 4.96 | 61,660 |
| Countries that Host the Most Refugees | 0 | - | 4.94 | 53,726 |
| All Countries of the World by Area with Hints | 0 | - | 4.97 | 199,325 |
| World Countries - Blind Typing | 0 | - | 5.00 | 74,089 |
| Countries in Their Own Alphabet | 0 | - | 4.95 | 42,571 |
| Largest Countries By Category | 0 | - | 4.97 | 145,720 |
| Countries by Countries | 0 | - | 4.96 | 55,132 |
| Country Flags with the Most White | 0 | - | 4.90 | 125,371 |
| Countries With the Northernmost Southernmost Point | 0 | - | 4.96 | 58,966 |
| Countries with the Southernmost Northernmost Point | 0 | - | 4.86 | 44,916 |
| Six Degrees of Separation - Countries #1 | 0 | - | 4.96 | 77,378 |
| Country Flags With Only Two Colors | 0 | - | 4.92 | 78,923 |
| Random Countries on the World Map | 0 | - | 5.00 | 1,345,312 |
| Countries in a JetPunk Fish of the World Map | 0 | - | 4.99 | 54,510 |
| Countries in a Blue JetPunk Fish of the World Map | 0 | - | 4.95 | 65,097 |
| Random Country Shape to Country | 0 | - | 4.84 | 76,613 |
| Spanish-Speaking Countries | 0 | - | 4.94 | 343,000 |
| Countries with the Most Tourists Quiz | 0 | - | 4.92 | 359,002 |
| Island Countries Quiz | 0 | - | 4.99 | 664,719 |
| Biggest Countries by Area | 0 | - | 5.00 | 940,185 |
| Northernmost Countries | 0 | - | 4.99 | 329,263 |
| Countries of South America | 0 | - | 5.00 | 802,098 |
| Countries of Oceania | 0 | - | 5.00 | 903,954 |
| Countries of Asia Quiz | 0 | - | 5.00 | 1,592,322 |
| Countries in Random Rings of the World Map | 0 | - | 4.99 | 74,089 |
| Random Countries on the Borderless World Map | 0 | - | 4.99 | 160,270 |
| Countries in Squares of the World Map | 0 | - | 5.00 | 166,832 |
| Name a Valid Country Flag | 0 | - | 4.55 | 48,305 |
| Random Sequential Countries on the World Map | 0 | - | 5.00 | 458,756 |
| World Map with Random Merged Countries | 0 | - | 4.99 | 1,499,229 |
| Countries More Populous Than Their Neighbors | 0 | - | 4.99 | 127,589 |
| Countries with Megacities | 0 | - | 4.99 | 199,765 |
| Countries With More than 50 Million People | 0 | - | 4.99 | 173,377 |
| Countries with the Most Population Growth by Decade | 0 | - | 4.97 | 98,979 |
| Countries With More than 200 Million People | 0 | - | 4.93 | 96,976 |
| Countries Less Populous Than Their Neighbors | 0 | - | 4.96 | 64,946 |
| Top 50 Countries by Population - In Order | 0 | - | 4.97 | 250,518 |
| Countries by Official Language | 0 | - | 4.96 | 174,129 |
| Countries with the Most Speakers of These Languages | 0 | - | 4.92 | 251,189 |
| Countries in their Native Language | 0 | - | 4.98 | 179,367 |
| Independence from Whom | 0 | - | 4.99 | 187,527 |
| Subdivisions by Country | 0 | - | 4.82 | 46,681 |
| Who Controlled These Colonies? | 0 | - | 4.89 | 114,564 |
| Megadiverse Countries | 0 | - | 4.96 | 126,151 |
| Countries With the Most English Speakers | 0 | - | 4.87 | 92,469 |
| Countries with Multiple Big Islands | 0 | - | 4.93 | 107,122 |
| Most Desired Destinations for Potential Migrants | 0 | - | 4.83 | 47,632 |
| 15 Biggest Island Countries | 0 | - | 4.99 | 132,334 |
| Most Recently-Settled Countries | 0 | - | 4.92 | 49,496 |
| Countries of the World in 1938 Quiz | 0 | - | 4.96 | 78,796 |
| Countries Bigger Than Their Neighbors | 0 | - | 4.95 | 145,669 |
| Countries with Multiple Populous Islands | 0 | - | 4.91 | 77,384 |
| Countries in Relation to Cities #1 | 0 | - | 4.92 | 41,670 |
| Countries by Sports League Revenue | 0 | - | 4.88 | 44,463 |
| Landmarks of Countries #1 | 0 | - | 4.89 | 101,933 |
| Countries Furthest from the United States | 0 | - | 4.94 | 72,571 |
| Countries with the Highest HDI | 0 | - | 4.95 | 131,141 |
| Straight Shot to the Arctic Circle | 0 | - | 4.92 | 69,011 |
| Most Dispersed Island Nations | 0 | - | 4.96 | 65,635 |
| Countries of the World in Alphabetical Order | 0 | - | 5.00 | 84,349 |
| World Map Quiz | 0 | - | 4.91 | 50,420 |
| Recognized, Non-Recognized Countries, and Territories of the World | 0 | - | 5.00 | 116,020 |
| Smallest Countries with at Least One Border | 0 | - | 4.89 | 82,143 |
| Countries by Founding Story | 0 | - | 4.93 | 55,409 |
