| Countries by Partial Flag Images #1 | 0 | - | 4.96 | 134,776 |
| Countries by Partial Flag Images #3 | 0 | - | 4.98 | 107,150 |
| Flags with the Most Stars | 0 | - | 4.90 | 118,091 |
| Flags that are Red & White Only | 0 | - | 4.97 | 139,843 |
| Country Flags that are Red, White, and Blue Only | 0 | - | 4.92 | 138,340 |
| Flags of the Countries with Four Letters | 0 | - | 4.94 | 48,123 |
| Four Countries with Similar Flags #2 | 0 | - | 4.91 | 42,227 |
| Four Countries with Similar Flags #1 | 0 | - | 4.97 | 50,459 |
| Country Flags with the Most Red | 0 | - | 4.97 | 113,868 |
| Country Flags with the Most Blue | 0 | - | 4.89 | 87,933 |
| Country Flags with the Most Green | 0 | - | 4.95 | 95,172 |
| Country Flags with the Most Orange | 0 | - | 4.96 | 95,012 |
| Country Flags with the Most Yellow | 0 | - | 4.95 | 95,037 |
| Country Flags with the Most Black | 0 | - | 4.94 | 93,615 |
| Country Flags with the Most Stripes - Picture Quiz | 0 | - | 4.95 | 65,281 |
| Country Flags with the Most Colours A-Z | 0 | - | 4.94 | 47,570 |
| Countries by Partial Flag Images #2 | 0 | - | 4.97 | 94,675 |
| Countries by Partial Flag Images #4 | 0 | - | 4.90 | 69,722 |
| Countries by Partial Flag Images #5 | 0 | - | 4.98 | 55,523 |
| Countries by Partial Flag Images #6 | 0 | - | 4.90 | 35,046 |
| Countries With Blue and White Flags | 0 | - | 4.88 | 96,202 |
| Country Flags that are White, Red and Green Only | 0 | - | 4.85 | 34,167 |
| Country Flags With Blue Removed | 0 | - | 4.91 | 40,718 |
| Flags of Countries With More Than 100 Million People | 0 | - | 4.97 | 154,853 |
| Flags of Countries of the World in 1910 | 0 | - | 4.96 | 75,122 |
| Countries by Partial Flag Images #7 | 0 | - | 4.86 | 25,041 |
| Country Flags with Five Stars - Picture Quiz | 0 | - | 4.93 | 29,374 |
| Random Flag to Country | 0 | - | 4.99 | 557,074 |
| Countries by Bordering Flags #1 | 0 | - | 4.92 | 99,138 |
| Countries by Bordering Flags #2 | 0 | - | 4.86 | 79,743 |
| Flags of Europe Quiz | 0 | - | 4.99 | 1,147,776 |
| Flags of Asia Quiz | 0 | - | 4.99 | 574,772 |
| World Map without 12 Countries | 0 | - | 4.97 | 333,321 |
| Country Shape Quiz #1 | 0 | - | 4.93 | 887,481 |
| Country Shape Quiz #2 | 0 | - | 4.97 | 405,245 |
| Every Country Shape | 0 | - | 5.00 | 424,387 |
| Flags of Africa Quiz | 0 | - | 5.00 | 432,667 |
| Flags of North and South America Quiz | 0 | - | 4.99 | 339,020 |
| Former Flags | 0 | - | 4.98 | 102,729 |
| Countries by Road Signs | 0 | - | 4.98 | 50,377 |
| Flags to Capitals #1 | 0 | - | 4.96 | 54,685 |
| Flags to Capitals #2 | 0 | - | 4.95 | 41,474 |
| World Map without 12 Countries #2 | 0 | - | 4.98 | 164,044 |
| World Map without 12 Countries #3 | 0 | - | 4.98 | 131,362 |
| Category Elimination - Country Flags #1 | 0 | - | 4.97 | 136,440 |
| Country Shape Quiz #3 | 0 | - | 4.91 | 287,098 |
| Country Shape Quiz #4 | 0 | - | 4.93 | 210,041 |
| Country Shape Quiz #5 | 0 | - | 4.91 | 150,027 |
| Country Shapes in the World Map #3 | 0 | - | 4.99 | 99,185 |
| Country Shapes in the World Map #2 | 0 | - | 4.99 | 106,912 |
| Country Shapes in the World Map #1 | 0 | - | 4.99 | 117,349 |
| Country Shapes in the World Map #4 | 0 | - | 4.98 | 104,073 |
| Country Shapes in the World Map #6 | 0 | - | 4.98 | 77,324 |
| Country Shapes in the World Map #7 | 0 | - | 4.99 | 54,920 |
| Country Shapes in the World Map #5 | 0 | - | 4.98 | 82,148 |
| Cartoon Versions of Countries | 0 | - | 4.99 | 92,002 |
| A Square of Merged Countries #1 | 0 | - | 4.88 | 56,370 |
| Five Most Guessed Country Flags by Continent | 0 | - | 4.98 | 48,806 |
| Flags of Oceania | 0 | - | 5.00 | 239,756 |
| Three Band Flags of Europe | 0 | - | 4.97 | 185,189 |
| Similar Flags #1 | 0 | - | 4.73 | 124,661 |
| Similar Flags #2 | 0 | - | 4.79 | 121,060 |
| Countries of the World Quiz | 0 | - | 5.00 | 44,859,916 |
| Countries Connected in the World Map #2 | 0 | - | 4.98 | 75,869 |
| Countries Connected in the World Map #1 | 0 | - | 4.97 | 72,738 |
| Countries Connected in the World Map #3 | 0 | - | 4.97 | 72,075 |
| Countries in a Ring of the World Map | 0 | - | 4.99 | 149,396 |
| Countries in a Strip of the World Map | 0 | - | 4.99 | 69,888 |
| Countries in a Stewart of the World Map | 0 | - | 4.99 | 52,436 |
| Flags of the Countries that Start with C | 0 | - | 4.89 | 126,119 |
| Flags of the Countries that Start with I | 0 | - | 4.94 | 148,621 |
| Flags of the Countries that Start with B | 0 | - | 4.96 | 37,214 |
| Flags of the Countries that Start with A | 0 | - | 4.95 | 123,428 |
| Flags of the Mediterranean | 0 | - | 4.94 | 132,014 |
| World Map Without 20 Random Countries | 0 | - | 4.99 | 7,867,660 |
| Landlocked Countries Quiz | 0 | - | 4.99 | 389,798 |
| Countries with Four Letters - Shape Quiz | 0 | - | 4.97 | 83,345 |
| Countries in an Empty Ring of the World Map | 0 | - | 4.92 | 121,376 |
| Country Picture Puzzle Game #1 | 0 | - | 4.86 | 83,735 |
| One Border Countries - Shape Quiz | 0 | - | 4.83 | 62,964 |
| Merged Country Shapes Quiz #1 | 0 | - | 4.93 | 57,358 |
| Merged Country Shapes Quiz #2 | 0 | - | 4.92 | 58,154 |
| Merged Country Shapes Quiz #3 | 0 | - | 4.85 | 40,050 |
| Merged Countries #2 | 0 | - | 4.96 | 95,629 |
| Merged Countries #6 | 0 | - | 4.91 | 70,267 |
| Merged Countries #7 | 0 | - | 4.94 | 79,458 |
| Countries by Satellite Image #1 | 0 | - | 4.89 | 139,467 |
| Countries by Satellite Image #5 | 0 | - | 4.89 | 79,914 |
| Countries by Partial Satellite Image #3 | 0 | - | 4.83 | 47,127 |
| Pixelated World Map | 0 | - | 5.00 | 137,652 |
| Countries by First Two Letters in 90 Seconds | 0 | - | 4.98 | 5,448,457 |
| Countries by Coat of Arms #1 | 0 | - | 4.93 | 70,506 |
| World Coats of Arms | 0 | - | 4.99 | 61,082 |
| Countries of Europe Quiz | 0 | - | 5.00 | 3,523,537 |
| Sahara Desert Countries | 0 | - | 4.97 | 149,108 |
| Himalayan Countries | 0 | - | 4.94 | 125,277 |
| Andean Countries | 0 | - | 4.93 | 70,532 |
| Countries with the Youngest Median Age | 0 | - | 4.98 | 58,066 |
| Countries in the Southern Hemisphere | 0 | - | 4.99 | 115,499 |
| Coffee Producing Countries | 0 | - | 4.83 | 61,434 |
| Countries with Shrinking Populations | 0 | - | 4.93 | 60,566 |
| Danube Countries | 0 | - | 4.97 | 61,660 |
| Countries With an "Ish" Demonym | 0 | - | 4.97 | 98,010 |
| Countries With an "Ese" Demonym | 0 | - | 4.97 | 82,689 |
| Countries with the Worst Passports | 0 | - | 4.92 | 75,293 |
| Countries with the Most Immigrants | 0 | - | 4.90 | 140,934 |
| European Landlocked Countries | 0 | - | 4.99 | 142,054 |
| Partially Recognized Countries | 0 | - | 4.98 | 99,808 |
| Countries with the Most Species | 0 | - | 4.99 | 93,146 |
| Countries 197 to 205 | 0 | - | 4.88 | 64,758 |
| Tropic of Cancer Countries | 0 | - | 4.95 | 47,072 |
| Tropic of Capricorn Countries | 0 | - | 4.96 | 46,153 |
| Countries that Use the Peso | 0 | - | 4.89 | 57,006 |
| Countries with the Largest Exclusive Economic Zone | 0 | - | 4.88 | 70,538 |
| Countries with a AAA Credit Rating | 0 | - | 4.86 | 54,437 |
| Countries in the Alps | 0 | - | 4.86 | 111,975 |
| Top Five Importing Partners by Country | 0 | - | 4.97 | 91,572 |
| Countries, Capitals, Currencies and Official Languages | 0 | - | 5.00 | 99,424 |
| Biggest Import Partners By Country | 0 | - | 4.99 | 76,039 |
| Southernmost Countries by Continent | 0 | - | 4.98 | 84,488 |
| Northernmost Countries by Continent | 0 | - | 4.98 | 111,662 |
| Countries by Population Growth, 1970–Present | 0 | - | 4.90 | 92,619 |
| Five Biggest Countries by Latitude | 0 | - | 4.97 | 96,132 |
| Five Biggest Countries by Longitude | 0 | - | 4.90 | 50,480 |
| Biggest Country by Body of Water | 0 | - | 4.95 | 48,465 |
| Countries with the Most Container Port Traffic | 0 | - | 4.92 | 59,488 |
| Bridge and Tunnel Borders | 0 | - | 4.96 | 51,712 |
| Countries with the Longest Road Networks Quiz | 0 | - | 4.90 | 39,518 |
| Countries that Touch the Prime Meridian or Equator | 0 | - | 4.88 | 100,797 |
| Arctic Ocean Countries | 0 | - | 4.94 | 76,479 |
| Countries with the Most Grassland | 0 | - | 4.93 | 74,296 |
| All Countries by Area : Four at a Time | 0 | - | 5.00 | 110,823 |
| Countries with the Most Climate Zones | 0 | - | 4.96 | 65,435 |
| Countries that Host the Most Refugees | 0 | - | 4.94 | 57,362 |
| Countries of the World by Similar Area in 90 Seconds | 0 | - | 4.94 | 40,556 |
| All Countries of the World by Area with Hints | 0 | - | 4.97 | 226,129 |
| World Countries - Blind Typing | 0 | - | 5.00 | 97,493 |
| Countries in Their Own Alphabet | 0 | - | 4.95 | 45,692 |
| Largest Countries By Category | 0 | - | 4.97 | 152,458 |
| Countries by Countries | 0 | - | 4.96 | 59,148 |
| Country Flags with the Most White | 0 | - | 4.85 | 133,214 |
| Countries With the Northernmost Southernmost Point | 0 | - | 4.96 | 60,948 |
| Countries with the Southernmost Northernmost Point | 0 | - | 4.86 | 46,532 |
| Six Degrees of Separation - Countries #1 | 0 | - | 4.96 | 93,872 |
| Country Flags With Only Two Colors | 0 | - | 4.92 | 84,775 |
| Random Countries on the World Map | 0 | - | 5.00 | 1,476,072 |
| Countries in a JetPunk Fish of the World Map | 0 | - | 4.99 | 57,890 |
| Countries in a Blue JetPunk Fish of the World Map | 0 | - | 4.94 | 69,138 |
| Random Country Shape to Country | 0 | - | 4.91 | 102,821 |
| Spanish-Speaking Countries | 0 | - | 4.95 | 362,586 |
| Countries with the Most Tourists Quiz | 0 | - | 4.91 | 386,399 |
| Island Countries Quiz | 0 | - | 4.99 | 695,086 |
| Biggest Countries by Area | 0 | - | 5.00 | 1,005,696 |
| Northernmost Countries | 0 | - | 4.99 | 344,889 |
| Countries of South America | 0 | - | 5.00 | 873,971 |
| Countries of Oceania | 0 | - | 5.00 | 989,375 |
| Countries of Asia Quiz | 0 | - | 5.00 | 1,754,717 |
| Countries of the World with an Empty Map | 0 | - | 5.00 | 3,284,033 |
| Countries in Random Rings of the World Map | 0 | - | 4.99 | 81,278 |
| Random Countries on the Borderless World Map | 0 | - | 4.99 | 174,697 |
| Countries in Squares of the World Map | 0 | - | 5.00 | 176,976 |
| Name a Valid Country Flag | 0 | - | 4.61 | 70,889 |
| Random Sequential Countries on the World Map | 0 | - | 5.00 | 499,879 |
| Countries in Random Squares of the World Map | 0 | - | 4.99 | 321,885 |
| World Map with Random Merged Countries | 0 | - | 4.99 | 1,644,789 |
| Countries More Populous Than Their Neighbors | 0 | - | 4.99 | 162,391 |
| Countries with Megacities | 0 | - | 4.99 | 221,967 |
| Countries With More than 50 Million People | 0 | - | 4.99 | 189,336 |
| Countries with the Most Population Growth by Decade | 0 | - | 4.97 | 107,554 |
| Countries With More than 200 Million People | 0 | - | 4.96 | 128,693 |
| Countries Less Populous Than Their Neighbors | 0 | - | 4.96 | 74,944 |
| Top 50 Countries by Population - In Order | 0 | - | 4.98 | 299,556 |
| Countries by Official Language | 0 | - | 4.95 | 185,960 |
| Countries with the Most Speakers of These Languages | 0 | - | 4.91 | 284,465 |
| Countries in their Native Language | 0 | - | 4.98 | 190,323 |
| Independence from Whom | 0 | - | 4.99 | 202,359 |
| Subdivisions by Country | 0 | - | 4.85 | 48,912 |
| Who Controlled These Colonies? | 0 | - | 4.90 | 125,519 |
| Megadiverse Countries | 0 | - | 4.97 | 131,218 |
| Countries With the Most English Speakers | 0 | - | 4.89 | 123,891 |
| Countries Producing the Most Sugarcane | 0 | - | 4.95 | 53,346 |
| Countries with Multiple Big Islands | 0 | - | 4.92 | 122,641 |
| Top 10 Wheat-Producing Countries | 0 | - | 4.89 | 73,473 |
| Most Desired Destinations for Potential Migrants | 0 | - | 4.86 | 49,562 |
| 15 Biggest Island Countries | 0 | - | 4.98 | 156,824 |
| Most Recently-Settled Countries | 0 | - | 4.94 | 60,187 |
| Countries of the World in 1938 Quiz | 0 | - | 4.96 | 88,559 |
| Countries Bigger Than Their Neighbors | 0 | - | 4.94 | 150,123 |
| Countries with Multiple Populous Islands | 0 | - | 4.91 | 81,025 |
| Countries in Relation to Cities #1 | 0 | - | 4.92 | 43,626 |
| Countries by Sports League Revenue | 0 | - | 4.94 | 69,504 |
| Landmarks of Countries #1 | 0 | - | 4.88 | 105,281 |
| Countries Furthest from the United States | 0 | - | 4.93 | 86,456 |
| Countries with the Highest HDI | 0 | - | 4.95 | 134,927 |
| Straight Shot to the Arctic Circle | 0 | - | 4.88 | 72,652 |
| Most Dispersed Island Nations | 0 | - | 4.96 | 69,162 |
| Countries of the World in Alphabetical Order | 0 | - | 5.00 | 100,470 |
| World Map Quiz | 0 | - | 4.87 | 59,052 |
| Recognized, Non-Recognized Countries, and Territories of the World | 0 | - | 5.00 | 138,827 |
| Smallest Countries with at Least One Border | 0 | - | 4.87 | 87,743 |