| Countries by Partial Flag Images #1 | 0 | - | 4.96 | 131,963 |
| Countries by Partial Flag Images #3 | 0 | - | 4.99 | 98,242 |
| Flags with the Most Stars | 0 | - | 4.90 | 116,159 |
| Flags that are Red & White Only | 0 | - | 4.97 | 138,287 |
| Country Flags that are Red, White, and Blue Only | 0 | - | 4.92 | 136,479 |
| Flags of the Countries with Four Letters | 0 | - | 4.94 | 46,249 |
| Four Countries with Similar Flags #2 | 0 | - | 4.90 | 41,135 |
| Four Countries with Similar Flags #1 | 0 | - | 4.96 | 49,255 |
| Country Flags with the Most Red | 0 | - | 4.98 | 112,234 |
| Country Flags with the Most Blue | 0 | - | 4.89 | 86,649 |
| Country Flags with the Most Green | 0 | - | 4.95 | 93,909 |
| Country Flags with the Most Orange | 0 | - | 4.96 | 88,604 |
| Country Flags with the Most Yellow | 0 | - | 4.94 | 94,037 |
| Country Flags with the Most Black | 0 | - | 4.94 | 92,494 |
| Country Flags with the Most Stripes - Picture Quiz | 0 | - | 4.95 | 64,755 |
| Country Flags with the Most Colours A-Z | 0 | - | 4.94 | 47,019 |
| Countries by Partial Flag Images #2 | 0 | - | 4.97 | 92,901 |
| Countries by Partial Flag Images #4 | 0 | - | 4.91 | 68,115 |
| Countries by Partial Flag Images #5 | 0 | - | 4.98 | 54,035 |
| Countries by Partial Flag Images #6 | 0 | - | 4.90 | 33,385 |
| Countries With Blue and White Flags | 0 | - | 4.89 | 85,091 |
| Country Flags that are White, Red and Green Only | 0 | - | 4.83 | 32,898 |
| Country Flags With Blue Removed | 0 | - | 4.90 | 39,837 |
| Flags of Countries With More Than 100 Million People | 0 | - | 4.97 | 153,647 |
| Flags of Countries of the World in 1910 | 0 | - | 4.96 | 74,306 |
| Country Flags with Five Stars - Picture Quiz | 0 | - | 4.92 | 29,047 |
| Random Flag to Country | 0 | - | 4.99 | 550,155 |
| Countries by Bordering Flags #1 | 0 | - | 4.92 | 98,459 |
| Countries by Bordering Flags #2 | 0 | - | 4.87 | 79,163 |
| Flags of Europe Quiz | 0 | - | 4.99 | 1,134,171 |
| Flags of Asia Quiz | 0 | - | 4.99 | 568,002 |
| World Map without 12 Countries | 0 | - | 4.97 | 330,585 |
| Country Shape Quiz #1 | 0 | - | 4.93 | 882,579 |
| Country Shape Quiz #2 | 0 | - | 4.97 | 402,842 |
| Every Country Shape | 0 | - | 5.00 | 418,604 |
| Flags of Africa Quiz | 0 | - | 5.00 | 426,400 |
| Flags of North and South America Quiz | 0 | - | 4.99 | 335,197 |
| Former Flags | 0 | - | 4.98 | 101,572 |
| Countries by Road Signs | 0 | - | 4.98 | 49,628 |
| Flags to Capitals #1 | 0 | - | 4.96 | 53,990 |
| Flags to Capitals #2 | 0 | - | 4.95 | 40,880 |
| World Map without 12 Countries #2 | 0 | - | 4.98 | 162,173 |
| World Map without 12 Countries #3 | 0 | - | 4.99 | 129,972 |
| Category Elimination - Country Flags #1 | 0 | - | 4.97 | 135,029 |
| Country Shape Quiz #3 | 0 | - | 4.91 | 280,508 |
| Country Shape Quiz #4 | 0 | - | 4.92 | 208,341 |
| Country Shape Quiz #5 | 0 | - | 4.92 | 148,481 |
| Country Shapes in the World Map #3 | 0 | - | 4.99 | 98,037 |
| Country Shapes in the World Map #2 | 0 | - | 4.99 | 105,843 |
| Country Shapes in the World Map #1 | 0 | - | 4.99 | 116,217 |
| Country Shapes in the World Map #4 | 0 | - | 4.98 | 103,317 |
| Country Shapes in the World Map #6 | 0 | - | 4.98 | 76,683 |
| Country Shapes in the World Map #7 | 0 | - | 4.98 | 54,244 |
| Country Shapes in the World Map #5 | 0 | - | 4.98 | 81,472 |
| Cartoon Versions of Countries | 0 | - | 4.99 | 91,364 |
| A Square of Merged Countries #1 | 0 | - | 4.88 | 55,728 |
| Five Most Guessed Country Flags by Continent | 0 | - | 4.98 | 47,864 |
| Flags of Oceania | 0 | - | 5.00 | 236,504 |
| Three Band Flags of Europe | 0 | - | 4.97 | 183,642 |
| Country Flags with the Southern Cross | 0 | - | 4.70 | 54,141 |
| Similar Flags #1 | 0 | - | 4.70 | 117,186 |
| Similar Flags #2 | 0 | - | 4.77 | 119,872 |
| Countries of the World Quiz | 0 | - | 5.00 | 44,321,368 |
| Countries Connected in the World Map #2 | 0 | - | 4.98 | 74,970 |
| Countries Connected in the World Map #1 | 0 | - | 4.97 | 71,817 |
| Countries Connected in the World Map #3 | 0 | - | 4.97 | 71,208 |
| Countries in a Ring of the World Map | 0 | - | 4.99 | 148,458 |
| Countries in a Strip of the World Map | 0 | - | 4.99 | 69,121 |
| Countries in a Stewart of the World Map | 0 | - | 4.99 | 51,887 |
| Flags of the Countries that Start with C | 0 | - | 4.89 | 125,337 |
| Flags of the Countries that Start with I | 0 | - | 4.94 | 147,707 |
| Flags of the Countries that Start with B | 0 | - | 4.96 | 35,506 |
| Flags of the Countries that Start with A | 0 | - | 4.95 | 122,646 |
| Flags of the Mediterranean | 0 | - | 4.94 | 130,956 |
| World Map Without 20 Random Countries | 0 | - | 4.99 | 7,779,297 |
| Landlocked Countries Quiz | 0 | - | 4.99 | 382,615 |
| Countries with Four Letters - Shape Quiz | 0 | - | 4.97 | 82,668 |
| Countries in an Empty Ring of the World Map | 0 | - | 4.92 | 120,413 |
| Country Picture Puzzle Game #1 | 0 | - | 4.85 | 83,102 |
| One Border Countries - Shape Quiz | 0 | - | 4.83 | 62,054 |
| Merged Country Shapes Quiz #1 | 0 | - | 4.92 | 56,945 |
| Merged Country Shapes Quiz #2 | 0 | - | 4.93 | 57,742 |
| Merged Country Shapes Quiz #3 | 0 | - | 4.84 | 39,642 |
| Merged Countries #2 | 0 | - | 4.96 | 94,838 |
| Merged Countries #6 | 0 | - | 4.91 | 69,663 |
| Merged Countries #7 | 0 | - | 4.94 | 78,826 |
| Countries by Satellite Image #1 | 0 | - | 4.89 | 138,110 |
| Countries by Satellite Image #5 | 0 | - | 4.89 | 79,362 |
| Countries by Partial Satellite Image #3 | 0 | - | 4.82 | 46,798 |
| Pixelated World Map | 0 | - | 5.00 | 136,691 |
| Countries by First Two Letters in 90 Seconds | 0 | - | 4.98 | 5,406,270 |
| Countries by Coat of Arms #1 | 0 | - | 4.93 | 70,079 |
| World Coats of Arms | 0 | - | 4.99 | 60,414 |
| Countries of Europe Quiz | 0 | - | 5.00 | 3,474,839 |
| Sahara Desert Countries | 0 | - | 4.97 | 145,474 |
| Himalayan Countries | 0 | - | 4.95 | 122,149 |
| Andean Countries | 0 | - | 4.92 | 68,632 |
| Countries with the Youngest Median Age | 0 | - | 4.97 | 56,623 |
| Countries in the Southern Hemisphere | 0 | - | 4.99 | 113,001 |
| Coffee Producing Countries | 0 | - | 4.83 | 59,855 |
| Countries with Shrinking Populations | 0 | - | 4.92 | 59,247 |
| Danube Countries | 0 | - | 4.97 | 60,814 |
| Countries With an "Ish" Demonym | 0 | - | 4.97 | 96,826 |
| Countries With an "Ese" Demonym | 0 | - | 4.97 | 81,860 |
| Countries with the Best Passports | 0 | - | 4.81 | 80,451 |
| Countries with the Worst Passports | 0 | - | 4.92 | 64,749 |
| Countries with the Most Immigrants | 0 | - | 4.90 | 138,140 |
| European Landlocked Countries | 0 | - | 4.99 | 140,985 |
| Partially Recognized Countries | 0 | - | 4.98 | 98,042 |
| Countries with the Most Species | 0 | - | 4.99 | 92,322 |
| Countries 197 to 205 | 0 | - | 4.87 | 63,433 |
| Tropic of Cancer Countries | 0 | - | 4.95 | 46,680 |
| Tropic of Capricorn Countries | 0 | - | 4.96 | 45,775 |
| Countries Producing the Most Sugarcane | 0 | - | 4.94 | 52,561 |
| Countries that Use the Peso | 0 | - | 4.88 | 56,335 |
| Countries with the Largest Exclusive Economic Zone | 0 | - | 4.87 | 69,934 |
| Countries with a AAA Credit Rating | 0 | - | 4.86 | 53,624 |
| Countries in the Alps | 0 | - | 4.86 | 110,410 |
| Top Five Importing Partners by Country | 0 | - | 4.97 | 90,691 |
| Countries, Capitals, Currencies and Official Languages | 0 | - | 5.00 | 97,768 |
| Biggest Import Partners By Country | 0 | - | 4.99 | 75,374 |
| Southernmost Countries by Continent | 0 | - | 4.98 | 83,715 |
| Northernmost Countries by Continent | 0 | - | 4.98 | 110,614 |
| Countries by Population Growth, 1970–Present | 0 | - | 4.90 | 91,936 |
| Five Biggest Countries by Latitude | 0 | - | 4.97 | 94,984 |
| Five Biggest Countries by Longitude | 0 | - | 4.90 | 49,824 |
| Biggest Country by Body of Water | 0 | - | 4.95 | 47,951 |
| Countries with the Most Container Port Traffic | 0 | - | 4.91 | 58,767 |
| Top 10 Wheat-Producing Countries | 0 | - | 4.89 | 72,715 |
| Bridge and Tunnel Borders | 0 | - | 4.95 | 51,246 |
| Countries with the Longest Road Networks Quiz | 0 | - | 4.89 | 39,088 |
| Countries that Touch the Prime Meridian or Equator | 0 | - | 4.88 | 100,145 |
| Arctic Ocean Countries | 0 | - | 4.94 | 75,826 |
| Countries with the Most Grassland | 0 | - | 4.93 | 73,498 |
| All Countries by Area : Four at a Time | 0 | - | 5.00 | 108,960 |
| Countries with the Most Climate Zones | 0 | - | 4.96 | 64,786 |
| Countries that Host the Most Refugees | 0 | - | 4.94 | 56,715 |
| All Countries of the World by Area with Hints | 0 | - | 4.97 | 222,004 |
| World Countries - Blind Typing | 0 | - | 5.00 | 95,066 |
| Countries in Their Own Alphabet | 0 | - | 4.95 | 45,085 |
| Largest Countries By Category | 0 | - | 4.97 | 151,345 |
| Countries by Countries | 0 | - | 4.96 | 58,450 |
| Country Flags with the Most White | 0 | - | 4.87 | 132,069 |
| Countries With the Northernmost Southernmost Point | 0 | - | 4.96 | 60,658 |
| Countries with the Southernmost Northernmost Point | 0 | - | 4.86 | 46,326 |
| Six Degrees of Separation - Countries #1 | 0 | - | 4.96 | 82,881 |
| Country Flags With Only Two Colors | 0 | - | 4.92 | 83,927 |
| Random Countries on the World Map | 0 | - | 5.00 | 1,441,450 |
| Countries in a JetPunk Fish of the World Map | 0 | - | 4.99 | 57,414 |
| Countries in a Blue JetPunk Fish of the World Map | 0 | - | 4.95 | 68,531 |
| Random Country Shape to Country | 0 | - | 4.90 | 100,329 |
| Spanish-Speaking Countries | 0 | - | 4.95 | 360,196 |
| Countries with the Most Tourists Quiz | 0 | - | 4.91 | 382,342 |
| Island Countries Quiz | 0 | - | 4.99 | 690,808 |
| Biggest Countries by Area | 0 | - | 5.00 | 989,819 |
| Northernmost Countries | 0 | - | 4.99 | 342,741 |
| Countries of South America | 0 | - | 5.00 | 863,029 |
| Countries of Oceania | 0 | - | 5.00 | 975,814 |
| Countries of Asia Quiz | 0 | - | 5.00 | 1,731,153 |
| Countries of the World with an Empty Map | 0 | - | 5.00 | 3,257,992 |
| Countries in Random Rings of the World Map | 0 | - | 4.99 | 80,149 |
| Random Countries on the Borderless World Map | 0 | - | 4.99 | 172,612 |
| Countries in Squares of the World Map | 0 | - | 5.00 | 175,519 |
| Name a Valid Country Flag | 0 | - | 4.64 | 70,037 |
| Random Sequential Countries on the World Map | 0 | - | 5.00 | 493,970 |
| Countries in Random Squares of the World Map | 0 | - | 4.99 | 318,480 |
| World Map with Random Merged Countries | 0 | - | 4.99 | 1,625,226 |
| Countries More Populous Than Their Neighbors | 0 | - | 4.99 | 158,936 |
| Countries with Megacities | 0 | - | 4.99 | 218,167 |
| Countries With More than 50 Million People | 0 | - | 4.99 | 186,796 |
| Countries with the Most Population Growth by Decade | 0 | - | 4.97 | 106,280 |
| Countries With More than 200 Million People | 0 | - | 4.96 | 126,715 |
| Countries Less Populous Than Their Neighbors | 0 | - | 4.97 | 73,273 |
| Top 50 Countries by Population - In Order | 0 | - | 4.97 | 269,994 |
| Countries by Official Language | 0 | - | 4.95 | 184,133 |
| Countries with the Most Speakers of These Languages | 0 | - | 4.91 | 282,147 |
| Countries in their Native Language | 0 | - | 4.98 | 188,920 |
| Independence from Whom | 0 | - | 4.99 | 199,909 |
| Subdivisions by Country | 0 | - | 4.86 | 48,532 |
| Who Controlled These Colonies? | 0 | - | 4.90 | 123,785 |
| Megadiverse Countries | 0 | - | 4.96 | 130,514 |
| Countries With the Most English Speakers | 0 | - | 4.89 | 122,201 |
| Countries with Multiple Big Islands | 0 | - | 4.92 | 121,810 |
| Most Desired Destinations for Potential Migrants | 0 | - | 4.82 | 49,334 |
| 15 Biggest Island Countries | 0 | - | 4.98 | 155,488 |
| Most Recently-Settled Countries | 0 | - | 4.94 | 59,493 |
| Countries of the World in 1938 Quiz | 0 | - | 4.95 | 86,842 |
| Countries Bigger Than Their Neighbors | 0 | - | 4.94 | 149,313 |
| Countries with Multiple Populous Islands | 0 | - | 4.91 | 80,450 |
| Countries in Relation to Cities #1 | 0 | - | 4.92 | 43,424 |
| Countries by Sports League Revenue | 0 | - | 4.93 | 67,529 |
| Landmarks of Countries #1 | 0 | - | 4.88 | 104,882 |
| Countries Furthest from the United States | 0 | - | 4.95 | 85,984 |
| Countries with the Highest HDI | 0 | - | 4.95 | 134,226 |
| Straight Shot to the Arctic Circle | 0 | - | 4.89 | 72,181 |
| Most Dispersed Island Nations | 0 | - | 4.96 | 68,649 |
| Countries of the World in Alphabetical Order | 0 | - | 5.00 | 98,244 |
| World Map Quiz | 0 | - | 4.88 | 57,726 |
| Recognized, Non-Recognized Countries, and Territories of the World | 0 | - | 5.00 | 135,167 |
| Smallest Countries with at Least One Border | 0 | - | 4.87 | 86,774 |
