| Countries by Partial Flag Images #1 | 0 | - | 4.96 | 128,975 |
| Countries by Partial Flag Images #3 | 0 | - | 4.99 | 95,868 |
| Flags with the Most Stars | 0 | - | 4.91 | 114,149 |
| Flags that are Red & White Only | 0 | - | 4.96 | 136,678 |
| Country Flags that are Red, White, and Blue Only | 0 | - | 4.92 | 134,066 |
| Flags of the Countries with Four Letters | 0 | - | 4.93 | 44,102 |
| Four Countries with Similar Flags #2 | 0 | - | 4.89 | 39,892 |
| Four Countries with Similar Flags #1 | 0 | - | 4.96 | 47,989 |
| Country Flags with the Most Red | 0 | - | 4.97 | 98,676 |
| Country Flags with the Most Blue | 0 | - | 4.89 | 84,656 |
| Country Flags with the Most Green | 0 | - | 4.96 | 92,067 |
| Country Flags with the Most Orange | 0 | - | 4.96 | 86,887 |
| Country Flags with the Most Yellow | 0 | - | 4.94 | 92,585 |
| Country Flags with the Most Black | 0 | - | 4.94 | 90,954 |
| Country Flags with the Most Stripes - Picture Quiz | 0 | - | 4.94 | 64,154 |
| Country Flags with the Most Colours A-Z | 0 | - | 4.93 | 46,451 |
| Countries by Partial Flag Images #2 | 0 | - | 4.96 | 86,293 |
| Countries by Partial Flag Images #4 | 0 | - | 4.91 | 66,892 |
| Countries by Partial Flag Images #5 | 0 | - | 4.98 | 52,765 |
| Countries by Partial Flag Images #6 | 0 | - | 4.91 | 32,157 |
| Countries With Blue and White Flags | 0 | - | 4.90 | 84,557 |
| Country Flags With Blue Removed | 0 | - | 4.90 | 38,776 |
| Flags of Countries With More Than 100 Million People | 0 | - | 4.97 | 152,558 |
| Flags of Countries of the World in 1910 | 0 | - | 4.96 | 73,449 |
| Country Flags with Five Stars - Picture Quiz | 0 | - | 4.92 | 28,662 |
| Random Flag to Country | 0 | - | 4.99 | 542,651 |
| Countries by Bordering Flags #1 | 0 | - | 4.92 | 97,704 |
| Countries by Bordering Flags #2 | 0 | - | 4.87 | 78,481 |
| Flags of Europe Quiz | 0 | - | 4.99 | 1,119,706 |
| Flags of Asia Quiz | 0 | - | 4.99 | 561,248 |
| World Map without 12 Countries | 0 | - | 4.97 | 327,831 |
| Country Shape Quiz #1 | 0 | - | 4.93 | 877,064 |
| Country Shape Quiz #2 | 0 | - | 4.97 | 400,024 |
| Every Country Shape | 0 | - | 5.00 | 413,431 |
| Flags of Africa Quiz | 0 | - | 5.00 | 419,867 |
| Flags of North and South America Quiz | 0 | - | 4.99 | 331,300 |
| Former Flags | 0 | - | 4.98 | 100,307 |
| Countries by Road Signs | 0 | - | 4.98 | 48,879 |
| Flags to Capitals #1 | 0 | - | 4.96 | 53,188 |
| Flags to Capitals #2 | 0 | - | 4.95 | 40,170 |
| World Map without 12 Countries #2 | 0 | - | 4.98 | 160,084 |
| World Map without 12 Countries #3 | 0 | - | 4.98 | 128,543 |
| Category Elimination - Country Flags #1 | 0 | - | 4.97 | 133,628 |
| Country Shape Quiz #3 | 0 | - | 4.91 | 278,411 |
| Country Shape Quiz #4 | 0 | - | 4.93 | 206,724 |
| Country Shape Quiz #5 | 0 | - | 4.92 | 147,061 |
| Country Shapes in the World Map #3 | 0 | - | 4.99 | 96,987 |
| Country Shapes in the World Map #2 | 0 | - | 4.99 | 104,871 |
| Country Shapes in the World Map #1 | 0 | - | 4.99 | 115,168 |
| Country Shapes in the World Map #4 | 0 | - | 4.98 | 102,349 |
| Country Shapes in the World Map #6 | 0 | - | 4.98 | 75,960 |
| Country Shapes in the World Map #7 | 0 | - | 4.99 | 53,500 |
| Country Shapes in the World Map #5 | 0 | - | 4.98 | 80,475 |
| Cartoon Versions of Countries | 0 | - | 4.99 | 90,672 |
| Five Most Guessed Country Flags by Continent | 0 | - | 4.98 | 46,778 |
| Flags of Oceania | 0 | - | 5.00 | 233,019 |
| Three Band Flags of Europe | 0 | - | 4.97 | 181,659 |
| Country Flags with the Southern Cross | 0 | - | 4.71 | 53,773 |
| Similar Flags #1 | 0 | - | 4.70 | 116,198 |
| Similar Flags #2 | 0 | - | 4.78 | 118,816 |
| Countries of the World Quiz | 0 | - | 5.00 | 43,746,645 |
| Countries Connected in the World Map #2 | 0 | - | 4.98 | 73,954 |
| Countries Connected in the World Map #1 | 0 | - | 4.97 | 70,760 |
| Countries Connected in the World Map #3 | 0 | - | 4.97 | 70,155 |
| Countries in a Ring of the World Map | 0 | - | 4.99 | 147,314 |
| Countries in a Strip of the World Map | 0 | - | 4.99 | 68,259 |
| Countries in a Stewart of the World Map | 0 | - | 4.99 | 51,206 |
| Flags of the Countries that Start with C | 0 | - | 4.89 | 124,410 |
| Flags of the Countries that Start with I | 0 | - | 4.94 | 146,530 |
| Flags of the Countries that Start with B | 0 | - | 4.96 | 32,247 |
| Flags of the Countries that Start with A | 0 | - | 4.95 | 121,563 |
| Flags of the Mediterranean | 0 | - | 4.94 | 129,931 |
| World Map Without 20 Random Countries | 0 | - | 4.99 | 7,690,559 |
| Landlocked Countries Quiz | 0 | - | 4.99 | 375,139 |
| Countries with Four Letters - Shape Quiz | 0 | - | 4.97 | 81,823 |
| Countries in an Empty Ring of the World Map | 0 | - | 4.92 | 118,937 |
| Country Picture Puzzle Game #1 | 0 | - | 4.86 | 82,301 |
| One Border Countries - Shape Quiz | 0 | - | 4.86 | 48,532 |
| Merged Country Shapes Quiz #1 | 0 | - | 4.92 | 56,320 |
| Merged Country Shapes Quiz #2 | 0 | - | 4.93 | 57,181 |
| Merged Country Shapes Quiz #3 | 0 | - | 4.83 | 39,130 |
| Merged Countries #2 | 0 | - | 4.96 | 93,949 |
| Merged Countries #4 | 0 | - | 4.81 | 88,537 |
| Merged Countries #6 | 0 | - | 4.91 | 68,933 |
| Merged Countries #7 | 0 | - | 4.94 | 78,124 |
| Countries by Satellite Image #1 | 0 | - | 4.88 | 136,771 |
| Countries by Satellite Image #5 | 0 | - | 4.89 | 78,747 |
| Countries by Partial Satellite Image #3 | 0 | - | 4.82 | 46,387 |
| Pixelated World Map | 0 | - | 5.00 | 135,494 |
| Countries by First Two Letters in 90 Seconds | 0 | - | 4.98 | 5,343,147 |
| Countries by Coat of Arms #1 | 0 | - | 4.95 | 60,430 |
| World Coats of Arms | 0 | - | 4.99 | 59,362 |
| Countries of Europe Quiz | 0 | - | 5.00 | 3,418,961 |
| Country Flags that are White, Red and Green Only | 0 | - | 4.74 | 24,951 |
| Sahara Desert Countries | 0 | - | 4.98 | 142,089 |
| Himalayan Countries | 0 | - | 4.95 | 119,100 |
| Andean Countries | 0 | - | 4.92 | 66,777 |
| Countries with the Youngest Median Age | 0 | - | 4.97 | 55,328 |
| Countries in the Southern Hemisphere | 0 | - | 4.99 | 110,715 |
| Coffee Producing Countries | 0 | - | 4.81 | 58,376 |
| Countries with Shrinking Populations | 0 | - | 4.93 | 58,033 |
| Danube Countries | 0 | - | 4.97 | 59,988 |
| Countries With an "Ish" Demonym | 0 | - | 4.97 | 95,711 |
| Countries With an "Ese" Demonym | 0 | - | 4.97 | 81,031 |
| Countries with the Best Passports | 0 | - | 4.81 | 78,587 |
| Countries with the Worst Passports | 0 | - | 4.92 | 61,393 |
| Countries with the Most Immigrants | 0 | - | 4.89 | 134,888 |
| European Landlocked Countries | 0 | - | 4.99 | 139,922 |
| Partially Recognized Countries | 0 | - | 4.98 | 96,576 |
| Countries with the Most Species | 0 | - | 4.99 | 91,788 |
| Countries 197 to 205 | 0 | - | 4.87 | 62,043 |
| Tropic of Cancer Countries | 0 | - | 4.96 | 46,347 |
| Tropic of Capricorn Countries | 0 | - | 4.96 | 45,470 |
| Countries Producing the Most Sugarcane | 0 | - | 4.94 | 51,855 |
| Countries that Use the Peso | 0 | - | 4.84 | 48,989 |
| Countries with the Largest Exclusive Economic Zone | 0 | - | 4.87 | 69,414 |
| Countries with a AAA Credit Rating | 0 | - | 4.86 | 52,873 |
| Countries in the Alps | 0 | - | 4.86 | 109,197 |
| Top Five Importing Partners by Country | 0 | - | 4.97 | 89,852 |
| Countries, Capitals, Currencies and Official Languages | 0 | - | 5.00 | 96,092 |
| Biggest Import Partners By Country | 0 | - | 4.99 | 74,759 |
| Southernmost Countries by Continent | 0 | - | 4.98 | 82,675 |
| Northernmost Countries by Continent | 0 | - | 4.98 | 109,678 |
| Countries by Population Growth, 1970–Present | 0 | - | 4.90 | 91,205 |
| Five Biggest Countries by Latitude | 0 | - | 4.97 | 94,138 |
| Five Biggest Countries by Longitude | 0 | - | 4.90 | 49,154 |
| Biggest Country by Body of Water | 0 | - | 4.95 | 47,459 |
| Countries with the Most Container Port Traffic | 0 | - | 4.91 | 58,092 |
| Top 10 Wheat-Producing Countries | 0 | - | 4.88 | 72,204 |
| Bridge and Tunnel Borders | 0 | - | 4.95 | 50,788 |
| Countries with the Longest Road Networks Quiz | 0 | - | 4.89 | 38,661 |
| Countries that Touch the Prime Meridian or Equator | 0 | - | 4.88 | 99,466 |
| Arctic Ocean Countries | 0 | - | 4.94 | 75,166 |
| Countries with the Most Grassland | 0 | - | 4.93 | 72,827 |
| All Countries by Area : Four at a Time | 0 | - | 5.00 | 107,310 |
| Countries with the Most Climate Zones | 0 | - | 4.96 | 64,244 |
| Countries that Host the Most Refugees | 0 | - | 4.94 | 56,173 |
| All Countries of the World by Area with Hints | 0 | - | 4.97 | 218,574 |
| World Countries - Blind Typing | 0 | - | 5.00 | 82,999 |
| Countries in Their Own Alphabet | 0 | - | 4.96 | 44,513 |
| Largest Countries By Category | 0 | - | 4.97 | 150,187 |
| Countries by Countries | 0 | - | 4.96 | 57,829 |
| Country Flags with the Most White | 0 | - | 4.87 | 130,410 |
| Countries With the Northernmost Southernmost Point | 0 | - | 4.96 | 60,390 |
| Countries with the Southernmost Northernmost Point | 0 | - | 4.86 | 46,062 |
| Six Degrees of Separation - Countries #1 | 0 | - | 4.96 | 82,153 |
| Country Flags With Only Two Colors | 0 | - | 4.92 | 83,001 |
| Random Countries on the World Map | 0 | - | 5.00 | 1,424,091 |
| Countries in a JetPunk Fish of the World Map | 0 | - | 4.99 | 56,839 |
| Countries in a Blue JetPunk Fish of the World Map | 0 | - | 4.95 | 67,797 |
| Random Country Shape to Country | 0 | - | 4.90 | 96,801 |
| Spanish-Speaking Countries | 0 | - | 4.94 | 357,250 |
| Countries with the Most Tourists Quiz | 0 | - | 4.91 | 378,353 |
| Island Countries Quiz | 0 | - | 4.99 | 686,279 |
| Biggest Countries by Area | 0 | - | 5.00 | 981,105 |
| Northernmost Countries | 0 | - | 4.99 | 340,255 |
| Countries of South America | 0 | - | 5.00 | 851,096 |
| Countries of Oceania | 0 | - | 5.00 | 962,082 |
| Countries of Asia Quiz | 0 | - | 5.00 | 1,703,392 |
| Countries of the World with an Empty Map | 0 | - | 5.00 | 3,231,297 |
| Countries in Random Rings of the World Map | 0 | - | 4.99 | 79,023 |
| Random Countries on the Borderless World Map | 0 | - | 4.99 | 170,549 |
| Countries in Squares of the World Map | 0 | - | 5.00 | 173,865 |
| Name a Valid Country Flag | 0 | - | 4.64 | 68,919 |
| Random Sequential Countries on the World Map | 0 | - | 5.00 | 487,788 |
| World Map with Random Merged Countries | 0 | - | 4.99 | 1,604,705 |
| Countries More Populous Than Their Neighbors | 0 | - | 4.99 | 155,991 |
| Countries with Megacities | 0 | - | 4.99 | 215,145 |
| Countries With More than 50 Million People | 0 | - | 4.99 | 184,739 |
| Countries with the Most Population Growth by Decade | 0 | - | 4.97 | 105,202 |
| Countries With More than 200 Million People | 0 | - | 4.94 | 120,187 |
| Countries Less Populous Than Their Neighbors | 0 | - | 4.97 | 71,968 |
| Top 50 Countries by Population - In Order | 0 | - | 4.97 | 266,890 |
| Countries by Official Language | 0 | - | 4.95 | 182,371 |
| Countries with the Most Speakers of These Languages | 0 | - | 4.91 | 279,690 |
| Countries in their Native Language | 0 | - | 4.98 | 187,307 |
| Independence from Whom | 0 | - | 4.99 | 197,761 |
| Subdivisions by Country | 0 | - | 4.86 | 48,217 |
| Who Controlled These Colonies? | 0 | - | 4.90 | 122,105 |
| Megadiverse Countries | 0 | - | 4.96 | 129,944 |
| Countries With the Most English Speakers | 0 | - | 4.89 | 120,407 |
| Countries with Multiple Big Islands | 0 | - | 4.92 | 110,231 |
| Most Desired Destinations for Potential Migrants | 0 | - | 4.83 | 49,123 |
| 15 Biggest Island Countries | 0 | - | 4.98 | 154,170 |
| Most Recently-Settled Countries | 0 | - | 4.94 | 58,903 |
| Countries of the World in 1938 Quiz | 0 | - | 4.95 | 85,093 |
| Countries Bigger Than Their Neighbors | 0 | - | 4.94 | 148,414 |
| Countries with Multiple Populous Islands | 0 | - | 4.91 | 79,650 |
| Countries in Relation to Cities #1 | 0 | - | 4.92 | 43,131 |
| Countries by Sports League Revenue | 0 | - | 4.94 | 65,225 |
| Landmarks of Countries #1 | 0 | - | 4.88 | 104,215 |
| Countries Furthest from the United States | 0 | - | 4.95 | 85,397 |
| Countries with the Highest HDI | 0 | - | 4.95 | 133,753 |
| Straight Shot to the Arctic Circle | 0 | - | 4.89 | 71,642 |
| Most Dispersed Island Nations | 0 | - | 4.96 | 68,016 |
| Countries of the World in Alphabetical Order | 0 | - | 5.00 | 96,000 |
| World Map Quiz | 0 | - | 4.88 | 56,447 |
| Recognized, Non-Recognized Countries, and Territories of the World | 0 | - | 5.00 | 131,736 |
| Smallest Countries with at Least One Border | 0 | - | 4.90 | 85,922 |
| Countries by Founding Story | 0 | - | 4.94 | 71,896 |
